Merge "Add capabilities to wifi HAL service" into pi-dev
diff --git a/audio/2.0/default/service.cpp b/audio/2.0/default/service.cpp
deleted file mode 100644
index d554481..0000000
--- a/audio/2.0/default/service.cpp
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
- * Copyright (C) 2016 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "audiohalservice"
-
-#include <android/hardware/audio/2.0/IDevicesFactory.h>
-#include <android/hardware/audio/effect/2.0/IEffectsFactory.h>
-#include <android/hardware/soundtrigger/2.0/ISoundTriggerHw.h>
-#include <android/hardware/soundtrigger/2.1/ISoundTriggerHw.h>
-#include <binder/ProcessState.h>
-#include <hidl/HidlTransportSupport.h>
-#include <hidl/LegacySupport.h>
-
-using android::hardware::configureRpcThreadpool;
-using android::hardware::joinRpcThreadpool;
-using android::hardware::registerPassthroughServiceImplementation;
-
-using android::hardware::audio::effect::V2_0::IEffectsFactory;
-using android::hardware::audio::V2_0::IDevicesFactory;
-using V2_0_ISoundTriggerHw = android::hardware::soundtrigger::V2_0::ISoundTriggerHw;
-using V2_1_ISoundTriggerHw = android::hardware::soundtrigger::V2_1::ISoundTriggerHw;
-using android::hardware::registerPassthroughServiceImplementation;
-
-using android::OK;
-
-int main(int /* argc */, char* /* argv */ []) {
-    android::ProcessState::initWithDriver("/dev/vndbinder");
-    // start a threadpool for vndbinder interactions
-    android::ProcessState::self()->startThreadPool();
-    configureRpcThreadpool(16, true /*callerWillJoin*/);
-    android::status_t status;
-    status = registerPassthroughServiceImplementation<IDevicesFactory>();
-    LOG_ALWAYS_FATAL_IF(status != OK, "Error while registering audio service: %d", status);
-    status = registerPassthroughServiceImplementation<IEffectsFactory>();
-    LOG_ALWAYS_FATAL_IF(status != OK, "Error while registering audio effects service: %d", status);
-    // Soundtrigger might be not present.
-    status = registerPassthroughServiceImplementation<V2_1_ISoundTriggerHw>();
-    ALOGW_IF(status != OK, "Registering soundtrigger V2.1 service was unsuccessful: %d", status);
-    status = registerPassthroughServiceImplementation<V2_0_ISoundTriggerHw>();
-    ALOGW_IF(status != OK, "Registering soundtrigger V2.0 service was unsuccessful: %d", status);
-    joinRpcThreadpool();
-    return status;
-}
diff --git a/audio/4.0/IDevice.hal b/audio/4.0/IDevice.hal
index 7eb03c8..1bb5aba 100644
--- a/audio/4.0/IDevice.hal
+++ b/audio/4.0/IDevice.hal
@@ -132,7 +132,6 @@
      * @param device device type and (if needed) address.
      * @param config stream configuration.
      * @param flags additional flags.
-     * @param source source specification.
      * @param sinkMetadata Description of the audio that is suggested by the client.
      *                     May be used by implementations to configure hardware effects.
      * @return retval operation completion status.
diff --git a/audio/4.0/IDevicesFactory.hal b/audio/4.0/IDevicesFactory.hal
index c552c6d..489294e 100644
--- a/audio/4.0/IDevicesFactory.hal
+++ b/audio/4.0/IDevicesFactory.hal
@@ -18,42 +18,53 @@
 
 import android.hardware.audio.common@4.0;
 import IDevice;
+import IPrimaryDevice;
 
+/** This factory allows a HAL implementation to be split in multiple independent
+ *  devices (called module in the pre-treble API).
+ *  Note that this division is arbitrary and implementation are free
+ *  to only have a Primary.
+ *  The framework will query the devices according to audio_policy_configuration.xml
+ *
+ *  Each device name is arbitrary, provided by the vendor's audio_policy_configuration.xml
+ *  and only used to identify a device in this factory.
+ *  The framework must not interpret the name, treating it as a vendor opaque data
+ *  with the following exception:
+ *  - the "r_submix" device that must be present to support policyMixes (Eg: Android projected).
+ *    Note that this Device is included by default in a build derived from AOSP.
+ *
+ *  Note that on AOSP Oreo (including MR1) the "a2dp" module is not using this API
+ *  but is loaded directly from the system partition using the legacy API
+ *  due to limitations with the Bluetooth framework.
+ */
 interface IDevicesFactory {
-    /** Allows a HAL implementation to be split in multiple independent
-     *  devices (called module in the pre-treble API).
-     *  Note that this division is arbitrary and implementation are free
-     *  to only have a Primary.
-     *  The framework will query the devices according to audio_policy_configuration.xml
-     *
-     *  Each Device value is interchangeable with any other and the framework
-     *  does not differentiate between values with the following exceptions:
-     *  - the Primary device must always be present
-     *  - the R_SUBMIX that is used to forward audio of REMOTE_SUBMIX DEVICES
-     */
-    enum Device : int32_t {
-        PRIMARY,
-        A2DP,
-        USB,
-        R_SUBMIX,
-        STUB,
-        CODEC_OFFLOAD,
-        SECONDARY,
-        AUXILIARY,
-        /** Multi Stream Decoder */
-        MSD
-    };
 
     /**
      * Opens an audio device. To close the device, it is necessary to release
      * references to the returned device object.
      *
-     * @param device device type.
+     * @param device device name.
      * @return retval operation completion status. Returns INVALID_ARGUMENTS
      *         if there is no corresponding hardware module found,
      *         NOT_INITIALIZED if an error occured while opening the hardware
      *         module.
      * @return result the interface for the created device.
      */
-    openDevice(Device device) generates (Result retval, IDevice result);
+    openDevice(string device) generates (Result retval, IDevice result);
+
+    /**
+     * Opens the Primary audio device that must be present.
+     * This function is not optional and must return successfully the primary device.
+     *
+     * This device must have the name "primary".
+     *
+     * The telephony stack uses this device to control the audio during a voice call.
+     *
+     * @return retval operation completion status. Must be SUCCESS.
+     *         For debuging, return INVALID_ARGUMENTS if there is no corresponding
+     *         hardware module found, NOT_INITIALIZED if an error occurred
+     *         while opening the hardware module.
+     * @return result the interface for the created device.
+     */
+    openPrimaryDevice() generates (Result retval, IPrimaryDevice result);
 };
diff --git a/audio/4.0/config/audio_policy_configuration.xsd b/audio/4.0/config/audio_policy_configuration.xsd
index 924fb47..e5b4449 100644
--- a/audio/4.0/config/audio_policy_configuration.xsd
+++ b/audio/4.0/config/audio_policy_configuration.xsd
@@ -66,35 +66,6 @@
     <xs:complexType name="globalConfiguration">
         <xs:attribute name="speaker_drc_enabled" type="xs:boolean" use="required"/>
     </xs:complexType>
-    <!-- Enum values of IDevicesFactory::Device
-         TODO: generate from hidl to avoid manual sync. -->
-    <xs:simpleType name="halName">
-        <xs:union>
-            <xs:simpleType>
-                <xs:restriction base="xs:string">
-                    <xs:enumeration value="primary"/>
-                    <xs:enumeration value="a2dp"/>
-                    <xs:enumeration value="usb"/>
-                    <xs:enumeration value="r_submix"/>
-                    <xs:enumeration value="codec_offload"/>
-                    <xs:enumeration value="stub"/>
-                </xs:restriction>
-            </xs:simpleType>
-            <xs:simpleType>
-                <xs:annotation>
-                    <xs:documentation xml:lang="en">
-                        Vendor eXtension names must be in the vx namespace.
-                        Vendor are encouraged to namespace their module names.
-                        Example for an hypothetical Google virtual reality HAL:
-                            <module name="vx_google_vr" halVersion="3.0"/>
-                    </xs:documentation>
-                </xs:annotation>
-                <xs:restriction base="xs:string">
-                    <xs:pattern value="vx_[_a-zA-Z0-9]+"/>
-                </xs:restriction>
-            </xs:simpleType>
-        </xs:union>
-    </xs:simpleType>
     <xs:complexType name="modules">
         <xs:annotation>
             <xs:documentation xml:lang="en">
@@ -133,7 +104,7 @@
                         <xs:element name="devicePorts" type="devicePorts" minOccurs="0"/>
                         <xs:element name="routes" type="routes" minOccurs="0"/>
                     </xs:sequence>
-                    <xs:attribute name="name" type="halName" use="required"/>
+                    <xs:attribute name="name" type="xsd:string" use="required"/>
                     <xs:attribute name="halVersion" type="halVersion" use="required"/>
                 </xs:complexType>
                 <xs:unique name="mixPortNameUniqueness">
diff --git a/audio/common/2.0/default/VersionUtils.h b/audio/common/2.0/default/VersionUtils.h
new file mode 100644
index 0000000..60d1f9c
--- /dev/null
+++ b/audio/common/2.0/default/VersionUtils.h
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_VERSION_UTILS_H
+#define ANDROID_HARDWARE_AUDIO_EFFECT_VERSION_UTILS_H
+
+#include <android/hardware/audio/common/2.0/types.h>
+
+namespace android {
+namespace hardware {
+namespace audio {
+namespace common {
+namespace V2_0 {
+namespace implementation {
+
+typedef common::V2_0::AudioDevice AudioDeviceBitfield;
+typedef common::V2_0::AudioChannelMask AudioChannelBitfield;
+typedef common::V2_0::AudioOutputFlag AudioOutputFlagBitfield;
+typedef common::V2_0::AudioInputFlag AudioInputFlagBitfield;
+
+}  // namespace implementation
+}  // namespace V2_0
+}  // namespace common
+}  // namespace audio
+}  // namespace hardware
+}  // namespace android
+
+#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_VERSION_UTILS_H
diff --git a/audio/common/4.0/default/Android.bp b/audio/common/4.0/default/Android.bp
new file mode 100644
index 0000000..57b2e01
--- /dev/null
+++ b/audio/common/4.0/default/Android.bp
@@ -0,0 +1,47 @@
+//
+// Copyright (C) 2018 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+cc_library_shared {
+    name: "android.hardware.audio.common@4.0-util",
+    defaults: ["hidl_defaults"],
+    vendor_available: true,
+    vndk: {
+        enabled: true,
+    },
+    srcs: [
+        "HidlUtils.cpp",
+    ],
+
+    export_include_dirs: ["."],
+
+    static_libs: [
+    ],
+
+    shared_libs: [
+        "liblog",
+        "libutils",
+        "libhidlbase",
+        "android.hardware.audio.common-util",
+        "android.hardware.audio.common@4.0",
+    ],
+    export_shared_lib_headers: [
+        "android.hardware.audio.common-util"
+    ],
+
+    header_libs: [
+        "libaudio_system_headers",
+        "libhardware_headers",
+    ],
+}
diff --git a/audio/common/4.0/default/HidlUtils.cpp b/audio/common/4.0/default/HidlUtils.cpp
new file mode 100644
index 0000000..b66eff9
--- /dev/null
+++ b/audio/common/4.0/default/HidlUtils.cpp
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "HidlUtils.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <common/all-versions/default/HidlUtils.impl.h>
+#undef AUDIO_HAL_VERSION
diff --git a/audio/common/4.0/default/HidlUtils.h b/audio/common/4.0/default/HidlUtils.h
new file mode 100644
index 0000000..91e6a9e
--- /dev/null
+++ b/audio/common/4.0/default/HidlUtils.h
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef android_hardware_audio_V4_0_Hidl_Utils_H_
+#define android_hardware_audio_V4_0_Hidl_Utils_H_
+
+#include <android/hardware/audio/common/4.0/types.h>
+
+#define AUDIO_HAL_VERSION V4_0
+#include <common/all-versions/default/HidlUtils.h>
+#undef AUDIO_HAL_VERSION
+
+#endif  // android_hardware_audio_V4_0_Hidl_Utils_H_
diff --git a/audio/common/4.0/default/VersionUtils.h b/audio/common/4.0/default/VersionUtils.h
new file mode 100644
index 0000000..b7f2aec
--- /dev/null
+++ b/audio/common/4.0/default/VersionUtils.h
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_VERSION_UTILS_H
+#define ANDROID_HARDWARE_AUDIO_EFFECT_VERSION_UTILS_H
+
+#include <android/hardware/audio/common/4.0/types.h>
+
+namespace android {
+namespace hardware {
+namespace audio {
+namespace common {
+namespace V4_0 {
+namespace implementation {
+
+typedef hidl_bitfield<common::V4_0::AudioDevice> AudioDeviceBitfield;
+typedef hidl_bitfield<common::V4_0::AudioChannelMask> AudioChannelBitfield;
+typedef hidl_bitfield<common::V4_0::AudioOutputFlag> AudioOutputFlagBitfield;
+typedef hidl_bitfield<common::V4_0::AudioInputFlag> AudioInputFlagBitfield;
+
+}  // namespace implementation
+}  // namespace V4_0
+}  // namespace common
+}  // namespace audio
+}  // namespace hardware
+}  // namespace android
+
+#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_VERSION_UTILS_H
diff --git a/audio/common/4.0/types.hal b/audio/common/4.0/types.hal
index 4efdea3..e55491d 100644
--- a/audio/common/4.0/types.hal
+++ b/audio/common/4.0/types.hal
@@ -104,8 +104,6 @@
     TTS              = 9,  // Transmitted Through Speaker.  Plays over speaker
                            // only, silent on other devices
     ACCESSIBILITY    = 10, // For accessibility talk back prompts
-    REROUTING        = 11, // For dynamic policy output mixes
-    PATCH            = 12, // For internal audio flinger tracks.  Fixed volume
 };
 
 @export(name="audio_source_t", value_prefix="AUDIO_SOURCE_")
@@ -375,21 +373,21 @@
     OUT_TOP_BACK_LEFT         = 0x8000,
     OUT_TOP_BACK_CENTER       = 0x10000,
     OUT_TOP_BACK_RIGHT        = 0x20000,
-    OUT_TOP_CENTER_LEFT       = 0x40000,
-    OUT_TOP_CENTER_RIGHT      = 0x80000,
+    OUT_TOP_SIDE_LEFT         = 0x40000,
+    OUT_TOP_SIDE_RIGHT        = 0x80000,
 
     OUT_MONO     = OUT_FRONT_LEFT,
     OUT_STEREO   = (OUT_FRONT_LEFT | OUT_FRONT_RIGHT),
     OUT_2POINT1  = (OUT_FRONT_LEFT | OUT_FRONT_RIGHT | OUT_LOW_FREQUENCY),
     OUT_2POINT0POINT2 = (OUT_FRONT_LEFT | OUT_FRONT_RIGHT |
-                         OUT_TOP_CENTER_LEFT | OUT_TOP_CENTER_RIGHT),
+                         OUT_TOP_SIDE_LEFT | OUT_TOP_SIDE_RIGHT),
     OUT_2POINT1POINT2 = (OUT_FRONT_LEFT | OUT_FRONT_RIGHT |
-                         OUT_TOP_CENTER_LEFT | OUT_TOP_CENTER_RIGHT |
+                         OUT_TOP_SIDE_LEFT | OUT_TOP_SIDE_RIGHT |
                          OUT_LOW_FREQUENCY),
     OUT_3POINT0POINT2 = (OUT_FRONT_LEFT | OUT_FRONT_CENTER | OUT_FRONT_RIGHT |
-                         OUT_TOP_CENTER_LEFT | OUT_TOP_CENTER_RIGHT),
+                         OUT_TOP_SIDE_LEFT | OUT_TOP_SIDE_RIGHT),
     OUT_3POINT1POINT2 = (OUT_FRONT_LEFT | OUT_FRONT_CENTER | OUT_FRONT_RIGHT |
-                        OUT_TOP_CENTER_LEFT | OUT_TOP_CENTER_RIGHT |
+                        OUT_TOP_SIDE_LEFT | OUT_TOP_SIDE_RIGHT |
                         OUT_LOW_FREQUENCY),
     OUT_QUAD     = (OUT_FRONT_LEFT | OUT_FRONT_RIGHT |
             OUT_BACK_LEFT | OUT_BACK_RIGHT),
@@ -408,6 +406,10 @@
     OUT_5POINT1_SIDE = (OUT_FRONT_LEFT | OUT_FRONT_RIGHT |
             OUT_FRONT_CENTER | OUT_LOW_FREQUENCY |
             OUT_SIDE_LEFT | OUT_SIDE_RIGHT),
+    OUT_5POINT1POINT2  = (OUT_5POINT1 | OUT_TOP_SIDE_LEFT | OUT_TOP_SIDE_RIGHT),
+    OUT_5POINT1POINT4  = (OUT_5POINT1 |
+            OUT_TOP_FRONT_LEFT | OUT_TOP_FRONT_RIGHT |
+            OUT_TOP_BACK_LEFT | OUT_TOP_BACK_RIGHT),
     OUT_6POINT1 = (OUT_FRONT_LEFT | OUT_FRONT_RIGHT |
             OUT_FRONT_CENTER | OUT_LOW_FREQUENCY |
             OUT_BACK_LEFT | OUT_BACK_RIGHT |
@@ -417,6 +419,10 @@
             OUT_FRONT_CENTER | OUT_LOW_FREQUENCY |
             OUT_BACK_LEFT | OUT_BACK_RIGHT |
             OUT_SIDE_LEFT | OUT_SIDE_RIGHT),
+    OUT_7POINT1POINT2  = (OUT_7POINT1 | OUT_TOP_SIDE_LEFT | OUT_TOP_SIDE_RIGHT),
+    OUT_7POINT1POINT4  = (OUT_7POINT1 |
+            OUT_TOP_FRONT_LEFT | OUT_TOP_FRONT_RIGHT |
+            OUT_TOP_BACK_LEFT | OUT_TOP_BACK_RIGHT),
     // Note that the 2.0 OUT_ALL* have been moved to helper functions
 
     /* These are bits only, not complete values */
@@ -450,6 +456,12 @@
     IN_6 = (IN_LEFT | IN_RIGHT |
             IN_FRONT | IN_BACK |
             IN_LEFT_PROCESSED | IN_RIGHT_PROCESSED),
+    IN_2POINT0POINT2 = (IN_LEFT | IN_RIGHT | IN_TOP_LEFT | IN_TOP_RIGHT),
+    IN_2POINT1POINT2 = (IN_LEFT | IN_RIGHT | IN_TOP_LEFT | IN_TOP_RIGHT |
+            IN_LOW_FREQUENCY),
+    IN_3POINT0POINT2 = (IN_LEFT | IN_CENTER | IN_RIGHT | IN_TOP_LEFT | IN_TOP_RIGHT),
+    IN_3POINT1POINT2 = (IN_LEFT | IN_CENTER | IN_RIGHT |
+            IN_TOP_LEFT | IN_TOP_RIGHT | IN_LOW_FREQUENCY),
     IN_5POINT1 = (IN_LEFT | IN_CENTER | IN_RIGHT |
                   IN_BACK_LEFT | IN_BACK_RIGHT | IN_LOW_FREQUENCY),
     IN_VOICE_UPLINK_MONO = (IN_VOICE_UPLINK | IN_MONO),
@@ -657,6 +669,8 @@
 /** Type of audio generated by an application. */
 @export(name="audio_content_type_t", value_prefix="AUDIO_CONTENT_TYPE_")
 enum AudioContentType : uint32_t {
+    // Do not change these values without updating their counterparts
+    // in frameworks/base/media/java/android/media/AudioAttributes.java
     UNKNOWN      = 0,
     SPEECH       = 1,
     MUSIC        = 2,
diff --git a/audio/common/all-versions/default/Android.bp b/audio/common/all-versions/default/Android.bp
index 8f6b74c..4a27bb7 100644
--- a/audio/common/all-versions/default/Android.bp
+++ b/audio/common/all-versions/default/Android.bp
@@ -33,7 +33,11 @@
     ],
 
     header_libs: [
+        "android.hardware.audio.common.util@all-versions",
         "libaudio_system_headers",
         "libhardware_headers",
     ],
+    export_header_lib_headers: [
+        "android.hardware.audio.common.util@all-versions",
+    ]
 }
diff --git a/audio/common/all-versions/default/include/common/all-versions/default/HidlUtils.h b/audio/common/all-versions/default/include/common/all-versions/default/HidlUtils.h
index 1654ac6..f9a5697 100644
--- a/audio/common/all-versions/default/include/common/all-versions/default/HidlUtils.h
+++ b/audio/common/all-versions/default/include/common/all-versions/default/HidlUtils.h
@@ -47,6 +47,8 @@
                                      struct audio_gain_config* halConfig);
     static void audioGainFromHal(const struct audio_gain& halGain, AudioGain* gain);
     static void audioGainToHal(const AudioGain& gain, struct audio_gain* halGain);
+    static AudioUsage audioUsageFromHal(const audio_usage_t halUsage);
+    static audio_usage_t audioUsageToHal(const AudioUsage usage);
     static void audioOffloadInfoFromHal(const audio_offload_info_t& halOffload,
                                         AudioOffloadInfo* offload);
     static void audioOffloadInfoToHal(const AudioOffloadInfo& offload,
diff --git a/audio/common/all-versions/default/include/common/all-versions/default/HidlUtils.impl.h b/audio/common/all-versions/default/include/common/all-versions/default/HidlUtils.impl.h
index 935f307..8ab7350 100644
--- a/audio/common/all-versions/default/include/common/all-versions/default/HidlUtils.impl.h
+++ b/audio/common/all-versions/default/include/common/all-versions/default/HidlUtils.impl.h
@@ -18,6 +18,7 @@
 #error "AUDIO_HAL_VERSION must be set before including this file."
 #endif
 
+#include <common/all-versions/VersionUtils.h>
 #include <string.h>
 
 using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioChannelMask;
@@ -32,6 +33,8 @@
 using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioStreamType;
 using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioUsage;
 
+using ::android::hardware::audio::common::utils::mkEnumConverter;
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -40,7 +43,7 @@
 
 void HidlUtils::audioConfigFromHal(const audio_config_t& halConfig, AudioConfig* config) {
     config->sampleRateHz = halConfig.sample_rate;
-    config->channelMask = AudioChannelMask(halConfig.channel_mask);
+    config->channelMask = mkEnumConverter<AudioChannelMask>(halConfig.channel_mask);
     config->format = AudioFormat(halConfig.format);
     audioOffloadInfoFromHal(halConfig.offload_info, &config->offloadInfo);
     config->frameCount = halConfig.frame_count;
@@ -58,8 +61,8 @@
 void HidlUtils::audioGainConfigFromHal(const struct audio_gain_config& halConfig,
                                        AudioGainConfig* config) {
     config->index = halConfig.index;
-    config->mode = AudioGainMode(halConfig.mode);
-    config->channelMask = AudioChannelMask(halConfig.channel_mask);
+    config->mode = mkEnumConverter<AudioGainMode>(halConfig.mode);
+    config->channelMask = mkEnumConverter<AudioChannelMask>(halConfig.channel_mask);
     for (size_t i = 0; i < sizeof(audio_channel_mask_t) * 8; ++i) {
         config->values[i] = halConfig.values[i];
     }
@@ -79,8 +82,8 @@
 }
 
 void HidlUtils::audioGainFromHal(const struct audio_gain& halGain, AudioGain* gain) {
-    gain->mode = AudioGainMode(halGain.mode);
-    gain->channelMask = AudioChannelMask(halGain.channel_mask);
+    gain->mode = mkEnumConverter<AudioGainMode>(halGain.mode);
+    gain->channelMask = mkEnumConverter<AudioChannelMask>(halGain.channel_mask);
     gain->minValue = halGain.min_value;
     gain->maxValue = halGain.max_value;
     gain->defaultValue = halGain.default_value;
@@ -100,10 +103,26 @@
     halGain->max_ramp_ms = gain.maxRampMs;
 }
 
+AudioUsage HidlUtils::audioUsageFromHal(const audio_usage_t halUsage) {
+    switch (halUsage) {
+        case AUDIO_USAGE_NOTIFICATION_COMMUNICATION_REQUEST:
+        case AUDIO_USAGE_NOTIFICATION_COMMUNICATION_INSTANT:
+        case AUDIO_USAGE_NOTIFICATION_COMMUNICATION_DELAYED:
+        case AUDIO_USAGE_NOTIFICATION_EVENT:
+            return AudioUsage::NOTIFICATION;
+        default:
+            return static_cast<AudioUsage>(halUsage);
+    }
+}
+
+audio_usage_t HidlUtils::audioUsageToHal(const AudioUsage usage) {
+    return static_cast<audio_usage_t>(usage);
+}
+
 void HidlUtils::audioOffloadInfoFromHal(const audio_offload_info_t& halOffload,
                                         AudioOffloadInfo* offload) {
     offload->sampleRateHz = halOffload.sample_rate;
-    offload->channelMask = AudioChannelMask(halOffload.channel_mask);
+    offload->channelMask = mkEnumConverter<AudioChannelMask>(halOffload.channel_mask);
     offload->format = AudioFormat(halOffload.format);
     offload->streamType = AudioStreamType(halOffload.stream_type);
     offload->bitRatePerSecond = halOffload.bit_rate;
@@ -112,7 +131,7 @@
     offload->isStreaming = halOffload.is_streaming;
     offload->bitWidth = halOffload.bit_width;
     offload->bufferSize = halOffload.offload_buffer_size;
-    offload->usage = static_cast<AudioUsage>(halOffload.usage);
+    offload->usage = audioUsageFromHal(halOffload.usage);
 }
 
 void HidlUtils::audioOffloadInfoToHal(const AudioOffloadInfo& offload,
@@ -128,7 +147,7 @@
     halOffload->is_streaming = offload.isStreaming;
     halOffload->bit_width = offload.bitWidth;
     halOffload->offload_buffer_size = offload.bufferSize;
-    halOffload->usage = static_cast<audio_usage_t>(offload.usage);
+    halOffload->usage = audioUsageToHal(offload.usage);
 }
 
 void HidlUtils::audioPortConfigFromHal(const struct audio_port_config& halConfig,
@@ -136,9 +155,9 @@
     config->id = halConfig.id;
     config->role = AudioPortRole(halConfig.role);
     config->type = AudioPortType(halConfig.type);
-    config->configMask = AudioPortConfigMask(halConfig.config_mask);
+    config->configMask = mkEnumConverter<AudioPortConfigMask>(halConfig.config_mask);
     config->sampleRateHz = halConfig.sample_rate;
-    config->channelMask = AudioChannelMask(halConfig.channel_mask);
+    config->channelMask = mkEnumConverter<AudioChannelMask>(halConfig.channel_mask);
     config->format = AudioFormat(halConfig.format);
     audioGainConfigFromHal(halConfig.gain, &config->gain);
     switch (halConfig.type) {
@@ -238,7 +257,7 @@
     }
     port->channelMasks.resize(halPort.num_channel_masks);
     for (size_t i = 0; i < halPort.num_channel_masks; ++i) {
-        port->channelMasks[i] = AudioChannelMask(halPort.channel_masks[i]);
+        port->channelMasks[i] = mkEnumConverter<AudioChannelMask>(halPort.channel_masks[i]);
     }
     port->formats.resize(halPort.num_formats);
     for (size_t i = 0; i < halPort.num_formats; ++i) {
@@ -277,8 +296,8 @@
     halPort->id = port.id;
     halPort->role = static_cast<audio_port_role_t>(port.role);
     halPort->type = static_cast<audio_port_type_t>(port.type);
-    memcpy(halPort->name, port.name.c_str(),
-           std::min(port.name.size(), static_cast<size_t>(AUDIO_PORT_MAX_NAME_LEN)));
+    strncpy(halPort->name, port.name.c_str(), AUDIO_PORT_MAX_NAME_LEN);
+    halPort->name[AUDIO_PORT_MAX_NAME_LEN - 1] = '\0';
     halPort->num_sample_rates =
         std::min(port.sampleRates.size(), static_cast<size_t>(AUDIO_PORT_MAX_SAMPLING_RATES));
     for (size_t i = 0; i < halPort->num_sample_rates; ++i) {
diff --git a/audio/2.0/default/Android.mk b/audio/common/all-versions/default/service/Android.mk
similarity index 90%
rename from audio/2.0/default/Android.mk
rename to audio/common/all-versions/default/service/Android.mk
index edf1761..43d7fe1 100644
--- a/audio/2.0/default/Android.mk
+++ b/audio/common/all-versions/default/service/Android.mk
@@ -38,8 +38,12 @@
     libutils \
     libhardware \
     android.hardware.audio@2.0 \
+    android.hardware.audio@4.0 \
     android.hardware.audio.common@2.0 \
+    android.hardware.audio.common@4.0 \
     android.hardware.audio.effect@2.0 \
+    android.hardware.audio.effect@4.0 \
+    android.hardware.bluetooth.a2dp@1.0 \
     android.hardware.soundtrigger@2.0 \
     android.hardware.soundtrigger@2.1
 
diff --git a/audio/2.0/default/android.hardware.audio@2.0-service.rc b/audio/common/all-versions/default/service/android.hardware.audio@2.0-service.rc
similarity index 100%
rename from audio/2.0/default/android.hardware.audio@2.0-service.rc
rename to audio/common/all-versions/default/service/android.hardware.audio@2.0-service.rc
diff --git a/audio/common/all-versions/default/service/service.cpp b/audio/common/all-versions/default/service/service.cpp
new file mode 100644
index 0000000..c7ce638
--- /dev/null
+++ b/audio/common/all-versions/default/service/service.cpp
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "audiohalservice"
+
+#include <android/hardware/audio/2.0/IDevicesFactory.h>
+#include <android/hardware/audio/4.0/IDevicesFactory.h>
+#include <android/hardware/audio/effect/2.0/IEffectsFactory.h>
+#include <android/hardware/audio/effect/4.0/IEffectsFactory.h>
+#include <android/hardware/bluetooth/a2dp/1.0/IBluetoothAudioOffload.h>
+#include <android/hardware/soundtrigger/2.0/ISoundTriggerHw.h>
+#include <android/hardware/soundtrigger/2.1/ISoundTriggerHw.h>
+#include <binder/ProcessState.h>
+#include <hidl/HidlTransportSupport.h>
+#include <hidl/LegacySupport.h>
+
+using namespace android::hardware;
+using android::OK;
+
+int main(int /* argc */, char* /* argv */ []) {
+    android::ProcessState::initWithDriver("/dev/vndbinder");
+    // start a threadpool for vndbinder interactions
+    android::ProcessState::self()->startThreadPool();
+    configureRpcThreadpool(16, true /*callerWillJoin*/);
+
+    bool fail = registerPassthroughServiceImplementation<audio::V4_0::IDevicesFactory>() != OK &&
+                registerPassthroughServiceImplementation<audio::V2_0::IDevicesFactory>() != OK;
+    LOG_ALWAYS_FATAL_IF(fail, "Could not register audio core API 2.0 nor 4.0");
+
+    fail = registerPassthroughServiceImplementation<audio::effect::V4_0::IEffectsFactory>() != OK &&
+           registerPassthroughServiceImplementation<audio::effect::V2_0::IEffectsFactory>() != OK,
+    LOG_ALWAYS_FATAL_IF(fail, "Could not register audio effect API 2.0 nor 4.0");
+
+    fail = registerPassthroughServiceImplementation<soundtrigger::V2_1::ISoundTriggerHw>() != OK &&
+           registerPassthroughServiceImplementation<soundtrigger::V2_0::ISoundTriggerHw>() != OK,
+    ALOGW_IF(fail, "Could not register soundtrigger API 2.0 nor 2.1");
+
+    fail =
+        registerPassthroughServiceImplementation<bluetooth::a2dp::V1_0::IBluetoothAudioOffload>() !=
+        OK;
+    ALOGW_IF(fail, "Could not register Bluetooth audio offload 1.0");
+
+    joinRpcThreadpool();
+}
diff --git a/audio/common/all-versions/test/utility/include/utility/ReturnIn.h b/audio/common/all-versions/test/utility/include/utility/ReturnIn.h
index 2b92a21..7fd0d4a 100644
--- a/audio/common/all-versions/test/utility/include/utility/ReturnIn.h
+++ b/audio/common/all-versions/test/utility/include/utility/ReturnIn.h
@@ -45,7 +45,7 @@
     template <class Head, class... Tail>
     void set(Head&& head, Tail&&... tail) {
         std::get<sizeof...(ResultStore) - sizeof...(Tail) - 1>(results) = std::forward<Head>(head);
-        set(tail...);
+        set(std::forward<Tail>(tail)...);
     }
     // Trivial case
     void set() {}
@@ -56,7 +56,7 @@
 }  // namespace detail
 
 // Generate the HIDL synchronous callback with a copy policy
-// Input: the variables (lvalue reference) where to save the return values
+// Input: the variables (lvalue references) where to copy the return values
 // Output: the callback to provide to a HIDL call with a synchronous callback
 // The output parameters *will be copied* do not use this function if you have
 // a zero copy policy
diff --git a/audio/common/all-versions/util/include/common/all-versions/VersionUtils.h b/audio/common/all-versions/util/include/common/all-versions/VersionUtils.h
new file mode 100644
index 0000000..70c3d56
--- /dev/null
+++ b/audio/common/all-versions/util/include/common/all-versions/VersionUtils.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef android_hardware_audio_common_VersionUtils_H_
+#define android_hardware_audio_common_VersionUtils_H_
+
+#include <hidl/HidlSupport.h>
+#include <type_traits>
+
+namespace android {
+namespace hardware {
+namespace audio {
+namespace common {
+namespace utils {
+
+/** Similar to static_cast but also casts to hidl_bitfield depending on
+ * return type inference (emulated through user-define conversion).
+ */
+template <class Source, class Destination = Source>
+class EnumConverter {
+   public:
+    static_assert(std::is_enum<Source>::value || std::is_enum<Destination>::value,
+                  "Source or destination should be an enum");
+
+    explicit EnumConverter(Source source) : mSource(source) {}
+
+    operator Destination() const { return static_cast<Destination>(mSource); }
+
+    template <class = std::enable_if_t<std::is_enum<Destination>::value>>
+    operator ::android::hardware::hidl_bitfield<Destination>() {
+        return static_cast<std::underlying_type_t<Destination>>(mSource);
+    }
+
+   private:
+    const Source mSource;
+};
+template <class Destination, class Source>
+auto mkEnumConverter(Source source) {
+    return EnumConverter<Source, Destination>{source};
+}
+
+/** Allows converting an enum to its bitfield or itself. */
+template <class Enum>
+EnumConverter<Enum> mkBitfield(Enum value) {
+    return EnumConverter<Enum>{value};
+}
+
+}  // namespace utils
+}  // namespace common
+}  // namespace audio
+}  // namespace hardware
+}  // namespace android
+
+#endif  // android_hardware_audio_common_VersionUtils_H_
diff --git a/audio/core/2.0/default/Android.bp b/audio/core/2.0/default/Android.bp
index 9847886..625df74 100644
--- a/audio/core/2.0/default/Android.bp
+++ b/audio/core/2.0/default/Android.bp
@@ -14,6 +14,10 @@
         "StreamOut.cpp",
     ],
 
+    cflags: [
+        "-DAUDIO_HAL_VERSION_2_0",
+    ],
+
     defaults: ["hidl_defaults"],
 
     export_include_dirs: ["include"],
diff --git a/audio/core/4.0/default/Android.bp b/audio/core/4.0/default/Android.bp
new file mode 100644
index 0000000..8e41545
--- /dev/null
+++ b/audio/core/4.0/default/Android.bp
@@ -0,0 +1,53 @@
+cc_library_shared {
+    name: "android.hardware.audio@4.0-impl",
+    relative_install_path: "hw",
+    proprietary: true,
+    vendor: true,
+    srcs: [
+        "Conversions.cpp",
+        "Device.cpp",
+        "DevicesFactory.cpp",
+        "ParametersUtil.cpp",
+        "PrimaryDevice.cpp",
+        "Stream.cpp",
+        "StreamIn.cpp",
+        "StreamOut.cpp",
+    ],
+
+    cflags: [
+        "-DAUDIO_HAL_VERSION_4_0",
+    ],
+
+    defaults: ["hidl_defaults"],
+
+    export_include_dirs: ["include"],
+
+    shared_libs: [
+        "libbase",
+        "libcutils",
+        "libfmq",
+        "libhardware",
+        "libhidlbase",
+        "libhidltransport",
+        "liblog",
+        "libutils",
+        "android.hardware.audio@4.0",
+        "android.hardware.audio.common@4.0",
+        "android.hardware.audio.common@4.0-util",
+        "android.hardware.audio.common-util",
+    ],
+
+    header_libs: [
+        "android.hardware.audio.common.util@all-versions",
+        "android.hardware.audio.core@all-versions-impl",
+        "libaudioclient_headers",
+        "libaudio_system_headers",
+        "libhardware_headers",
+        "libmedia_headers",
+    ],
+
+    whole_static_libs: [
+        "libmedia_helper",
+    ],
+
+}
diff --git a/audio/core/4.0/default/Conversions.cpp b/audio/core/4.0/default/Conversions.cpp
new file mode 100644
index 0000000..4f18744
--- /dev/null
+++ b/audio/core/4.0/default/Conversions.cpp
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "core/4.0/default/Conversions.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <core/all-versions/default/Conversions.impl.h>
+#undef AUDIO_HAL_VERSION
diff --git a/audio/core/4.0/default/Device.cpp b/audio/core/4.0/default/Device.cpp
new file mode 100644
index 0000000..26f9ab4
--- /dev/null
+++ b/audio/core/4.0/default/Device.cpp
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "DeviceHAL"
+
+#include "core/4.0/default/Device.h"
+#include <HidlUtils.h>
+#include "core/4.0/default/Conversions.h"
+#include "core/4.0/default/StreamIn.h"
+#include "core/4.0/default/StreamOut.h"
+#include "core/all-versions/default/Util.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <core/all-versions/default/Device.impl.h>
+#undef AUDIO_HAL_VERSION
diff --git a/audio/core/4.0/default/DevicesFactory.cpp b/audio/core/4.0/default/DevicesFactory.cpp
new file mode 100644
index 0000000..cb8a3c3
--- /dev/null
+++ b/audio/core/4.0/default/DevicesFactory.cpp
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "DevicesFactoryHAL"
+
+#include "core/4.0/default/DevicesFactory.h"
+#include "core/4.0/default/Device.h"
+#include "core/4.0/default/PrimaryDevice.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <core/all-versions/default/DevicesFactory.impl.h>
+#undef AUDIO_HAL_VERSION
diff --git a/audio/core/4.0/default/ParametersUtil.cpp b/audio/core/4.0/default/ParametersUtil.cpp
new file mode 100644
index 0000000..5c1b1c4
--- /dev/null
+++ b/audio/core/4.0/default/ParametersUtil.cpp
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "core/4.0/default/ParametersUtil.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <core/all-versions/default/ParametersUtil.impl.h>
+#undef AUDIO_HAL_VERSION
diff --git a/audio/core/4.0/default/PrimaryDevice.cpp b/audio/core/4.0/default/PrimaryDevice.cpp
new file mode 100644
index 0000000..0294b4d
--- /dev/null
+++ b/audio/core/4.0/default/PrimaryDevice.cpp
@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "PrimaryDeviceHAL"
+
+#include "core/4.0/default/PrimaryDevice.h"
+#include "core/all-versions/default/Util.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <core/all-versions/default/PrimaryDevice.impl.h>
+#undef AUDIO_HAL_VERSION
diff --git a/audio/core/4.0/default/Stream.cpp b/audio/core/4.0/default/Stream.cpp
new file mode 100644
index 0000000..30b3454
--- /dev/null
+++ b/audio/core/4.0/default/Stream.cpp
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "StreamHAL"
+
+#include "core/4.0/default/Stream.h"
+#include "common/all-versions/default/EffectMap.h"
+#include "core/4.0/default/Conversions.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <core/all-versions/default/Stream.impl.h>
+#undef AUDIO_HAL_VERSION
diff --git a/audio/core/4.0/default/StreamIn.cpp b/audio/core/4.0/default/StreamIn.cpp
new file mode 100644
index 0000000..18719b5
--- /dev/null
+++ b/audio/core/4.0/default/StreamIn.cpp
@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "StreamInHAL"
+
+#include "core/4.0/default/StreamIn.h"
+#include "core/all-versions/default/Util.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <core/all-versions/default/StreamIn.impl.h>
+#undef AUDIO_HAL_VERSION
diff --git a/audio/core/4.0/default/StreamOut.cpp b/audio/core/4.0/default/StreamOut.cpp
new file mode 100644
index 0000000..11c8fde
--- /dev/null
+++ b/audio/core/4.0/default/StreamOut.cpp
@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "StreamOutHAL"
+
+#include "core/4.0/default/StreamOut.h"
+#include "core/all-versions/default/Util.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <core/all-versions/default/StreamOut.impl.h>
+#undef AUDIO_HAL_VERSION
diff --git a/audio/core/4.0/default/include/core/4.0/default/Conversions.h b/audio/core/4.0/default/include/core/4.0/default/Conversions.h
new file mode 100644
index 0000000..32c2f88
--- /dev/null
+++ b/audio/core/4.0/default/include/core/4.0/default/Conversions.h
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_HARDWARE_AUDIO_V4_0_CONVERSIONS_H_
+#define ANDROID_HARDWARE_AUDIO_V4_0_CONVERSIONS_H_
+
+#include <android/hardware/audio/4.0/types.h>
+
+#define AUDIO_HAL_VERSION V4_0
+#include <core/all-versions/default/Conversions.h>
+#undef AUDIO_HAL_VERSION
+
+#endif  // ANDROID_HARDWARE_AUDIO_V4_0_CONVERSIONS_H_
diff --git a/audio/core/4.0/default/include/core/4.0/default/Device.h b/audio/core/4.0/default/include/core/4.0/default/Device.h
new file mode 100644
index 0000000..770d606
--- /dev/null
+++ b/audio/core/4.0/default/include/core/4.0/default/Device.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_HARDWARE_AUDIO_V4_0_DEVICE_H
+#define ANDROID_HARDWARE_AUDIO_V4_0_DEVICE_H
+
+#include <android/hardware/audio/4.0/IDevice.h>
+
+#include "ParametersUtil.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <core/all-versions/default/Device.h>
+#undef AUDIO_HAL_VERSION
+
+#endif  // ANDROID_HARDWARE_AUDIO_V4_0_DEVICE_H
diff --git a/audio/core/4.0/default/include/core/4.0/default/DevicesFactory.h b/audio/core/4.0/default/include/core/4.0/default/DevicesFactory.h
new file mode 100644
index 0000000..200e59d
--- /dev/null
+++ b/audio/core/4.0/default/include/core/4.0/default/DevicesFactory.h
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_HARDWARE_AUDIO_V4_0_DEVICESFACTORY_H
+#define ANDROID_HARDWARE_AUDIO_V4_0_DEVICESFACTORY_H
+
+#include <android/hardware/audio/4.0/IDevicesFactory.h>
+
+#define AUDIO_HAL_VERSION V4_0
+#include <core/all-versions/default/DevicesFactory.h>
+#undef AUDIO_HAL_VERSION
+
+#endif  // ANDROID_HARDWARE_AUDIO_V4_0_DEVICESFACTORY_H
diff --git a/audio/core/4.0/default/include/core/4.0/default/ParametersUtil.h b/audio/core/4.0/default/include/core/4.0/default/ParametersUtil.h
new file mode 100644
index 0000000..fa31ee9
--- /dev/null
+++ b/audio/core/4.0/default/include/core/4.0/default/ParametersUtil.h
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_HARDWARE_AUDIO_V4_0_PARAMETERS_UTIL_H_
+#define ANDROID_HARDWARE_AUDIO_V4_0_PARAMETERS_UTIL_H_
+
+#include <android/hardware/audio/4.0/types.h>
+
+#define AUDIO_HAL_VERSION V4_0
+#include <core/all-versions/default/ParametersUtil.h>
+#undef AUDIO_HAL_VERSION
+
+#endif  // ANDROID_HARDWARE_AUDIO_V4_0_PARAMETERS_UTIL_H_
diff --git a/audio/core/4.0/default/include/core/4.0/default/PrimaryDevice.h b/audio/core/4.0/default/include/core/4.0/default/PrimaryDevice.h
new file mode 100644
index 0000000..e7f846b
--- /dev/null
+++ b/audio/core/4.0/default/include/core/4.0/default/PrimaryDevice.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_HARDWARE_AUDIO_V4_0_PRIMARYDEVICE_H
+#define ANDROID_HARDWARE_AUDIO_V4_0_PRIMARYDEVICE_H
+
+#include <android/hardware/audio/4.0/IPrimaryDevice.h>
+
+#include "Device.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <core/all-versions/default/PrimaryDevice.h>
+#undef AUDIO_HAL_VERSION
+
+#endif  // ANDROID_HARDWARE_AUDIO_V4_0_PRIMARYDEVICE_H
diff --git a/audio/core/4.0/default/include/core/4.0/default/Stream.h b/audio/core/4.0/default/include/core/4.0/default/Stream.h
new file mode 100644
index 0000000..afad80f
--- /dev/null
+++ b/audio/core/4.0/default/include/core/4.0/default/Stream.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_HARDWARE_AUDIO_V4_0_STREAM_H
+#define ANDROID_HARDWARE_AUDIO_V4_0_STREAM_H
+
+#include <android/hardware/audio/4.0/IStream.h>
+
+#include "ParametersUtil.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <core/all-versions/default/Stream.h>
+#undef AUDIO_HAL_VERSION
+
+#endif  // ANDROID_HARDWARE_AUDIO_V4_0_STREAM_H
diff --git a/audio/core/4.0/default/include/core/4.0/default/StreamIn.h b/audio/core/4.0/default/include/core/4.0/default/StreamIn.h
new file mode 100644
index 0000000..151f03f
--- /dev/null
+++ b/audio/core/4.0/default/include/core/4.0/default/StreamIn.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_HARDWARE_AUDIO_V4_0_STREAMIN_H
+#define ANDROID_HARDWARE_AUDIO_V4_0_STREAMIN_H
+
+#include <android/hardware/audio/4.0/IStreamIn.h>
+
+#include "Device.h"
+#include "Stream.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <core/all-versions/default/StreamIn.h>
+#undef AUDIO_HAL_VERSION
+
+#endif  // ANDROID_HARDWARE_AUDIO_V4_0_STREAMIN_H
diff --git a/audio/core/4.0/default/include/core/4.0/default/StreamOut.h b/audio/core/4.0/default/include/core/4.0/default/StreamOut.h
new file mode 100644
index 0000000..dbf3bd1
--- /dev/null
+++ b/audio/core/4.0/default/include/core/4.0/default/StreamOut.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_HARDWARE_AUDIO_V4_0_STREAMOUT_H
+#define ANDROID_HARDWARE_AUDIO_V4_0_STREAMOUT_H
+
+#include <android/hardware/audio/4.0/IStreamOut.h>
+
+#include "Device.h"
+#include "Stream.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <core/all-versions/default/StreamOut.h>
+#undef AUDIO_HAL_VERSION
+
+#endif  // ANDROID_HARDWARE_AUDIO_V4_0_STREAMOUT_H
diff --git a/audio/core/4.0/vts/OWNERS b/audio/core/4.0/vts/OWNERS
new file mode 100644
index 0000000..8711a9f
--- /dev/null
+++ b/audio/core/4.0/vts/OWNERS
@@ -0,0 +1,5 @@
+elaurent@google.com
+krocard@google.com
+mnaganov@google.com
+yim@google.com
+zhuoyao@google.com
\ No newline at end of file
diff --git a/audio/core/4.0/vts/functional/Android.bp b/audio/core/4.0/vts/functional/Android.bp
new file mode 100644
index 0000000..dde3e7b
--- /dev/null
+++ b/audio/core/4.0/vts/functional/Android.bp
@@ -0,0 +1,36 @@
+//
+// Copyright (C) 2017 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+cc_test {
+    name: "VtsHalAudioV4_0TargetTest",
+    defaults: ["VtsHalTargetTestDefaults"],
+    srcs: [
+        "AudioPrimaryHidlHalTest.cpp",
+        "ValidateAudioConfiguration.cpp"
+    ],
+    static_libs: [
+        "android.hardware.audio.common.test.utility",
+        "android.hardware.audio@4.0",
+        "android.hardware.audio.common@4.0",
+        "libxml2",
+    ],
+    shared_libs: [
+        "libicuuc",
+    ],
+    header_libs: [
+        "android.hardware.audio.common.util@all-versions",
+    ],
+}
diff --git a/audio/core/4.0/vts/functional/AudioPrimaryHidlHalTest.cpp b/audio/core/4.0/vts/functional/AudioPrimaryHidlHalTest.cpp
new file mode 100644
index 0000000..a568a3c
--- /dev/null
+++ b/audio/core/4.0/vts/functional/AudioPrimaryHidlHalTest.cpp
@@ -0,0 +1,1324 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "VtsHalAudioV4_0TargetTest"
+
+#include <algorithm>
+#include <cmath>
+#include <cstddef>
+#include <cstdio>
+#include <initializer_list>
+#include <limits>
+#include <string>
+#include <vector>
+
+#include <fcntl.h>
+#include <unistd.h>
+
+#include <VtsHalHidlTargetTestBase.h>
+
+#include <android-base/logging.h>
+
+#include <android/hardware/audio/4.0/IDevice.h>
+#include <android/hardware/audio/4.0/IDevicesFactory.h>
+#include <android/hardware/audio/4.0/IPrimaryDevice.h>
+#include <android/hardware/audio/4.0/types.h>
+#include <android/hardware/audio/common/4.0/types.h>
+
+#include <common/all-versions/VersionUtils.h>
+
+#include "utility/AssertOk.h"
+#include "utility/Documentation.h"
+#include "utility/EnvironmentTearDown.h"
+#define AUDIO_HAL_VERSION V4_0
+#include "utility/PrettyPrintAudioTypes.h"
+#include "utility/ReturnIn.h"
+
+using std::initializer_list;
+using std::string;
+using std::to_string;
+using std::vector;
+
+using ::android::sp;
+using ::android::hardware::Return;
+using ::android::hardware::hidl_bitfield;
+using ::android::hardware::hidl_handle;
+using ::android::hardware::hidl_string;
+using ::android::hardware::hidl_vec;
+using ::android::hardware::MQDescriptorSync;
+using ::android::hardware::audio::V4_0::AudioDrain;
+using ::android::hardware::audio::V4_0::DeviceAddress;
+using ::android::hardware::audio::V4_0::IDevice;
+using ::android::hardware::audio::V4_0::IPrimaryDevice;
+using TtyMode = ::android::hardware::audio::V4_0::IPrimaryDevice::TtyMode;
+using ::android::hardware::audio::V4_0::IDevicesFactory;
+using ::android::hardware::audio::V4_0::IStream;
+using ::android::hardware::audio::V4_0::IStreamIn;
+using ::android::hardware::audio::V4_0::TimeSpec;
+using ReadParameters = ::android::hardware::audio::V4_0::IStreamIn::ReadParameters;
+using ReadStatus = ::android::hardware::audio::V4_0::IStreamIn::ReadStatus;
+using ::android::hardware::audio::V4_0::IStreamOut;
+using ::android::hardware::audio::V4_0::IStreamOutCallback;
+using ::android::hardware::audio::V4_0::MmapBufferInfo;
+using ::android::hardware::audio::V4_0::MmapPosition;
+using ::android::hardware::audio::V4_0::ParameterValue;
+using ::android::hardware::audio::V4_0::Result;
+using ::android::hardware::audio::V4_0::SourceMetadata;
+using ::android::hardware::audio::V4_0::SinkMetadata;
+using ::android::hardware::audio::common::V4_0::AudioChannelMask;
+using ::android::hardware::audio::common::V4_0::AudioConfig;
+using ::android::hardware::audio::common::V4_0::AudioDevice;
+using ::android::hardware::audio::common::V4_0::AudioFormat;
+using ::android::hardware::audio::common::V4_0::AudioHandleConsts;
+using ::android::hardware::audio::common::V4_0::AudioHwSync;
+using ::android::hardware::audio::common::V4_0::AudioInputFlag;
+using ::android::hardware::audio::common::V4_0::AudioIoHandle;
+using ::android::hardware::audio::common::V4_0::AudioMode;
+using ::android::hardware::audio::common::V4_0::AudioOffloadInfo;
+using ::android::hardware::audio::common::V4_0::AudioOutputFlag;
+using ::android::hardware::audio::common::V4_0::AudioSource;
+using ::android::hardware::audio::common::V4_0::ThreadInfo;
+using ::android::hardware::audio::common::utils::mkBitfield;
+
+using namespace ::android::hardware::audio::common::test::utility;
+
+class AudioHidlTestEnvironment : public ::Environment {
+   public:
+    virtual void registerTestServices() override { registerTestService<IDevicesFactory>(); }
+};
+
+// Instance to register global tearDown
+static AudioHidlTestEnvironment* environment;
+
+class HidlTest : public ::testing::VtsHalHidlTargetTestBase {
+   protected:
+    // Convenient member to store results
+    Result res;
+};
+
+//////////////////////////////////////////////////////////////////////////////
+////////////////////// getService audio_devices_factory //////////////////////
+//////////////////////////////////////////////////////////////////////////////
+
+// Test all audio devices
+class AudioHidlTest : public HidlTest {
+   public:
+    void SetUp() override {
+        ASSERT_NO_FATAL_FAILURE(HidlTest::SetUp());  // setup base
+
+        if (devicesFactory == nullptr) {
+            environment->registerTearDown([] { devicesFactory.clear(); });
+            devicesFactory = ::testing::VtsHalHidlTargetTestBase::getService<IDevicesFactory>(
+                environment->getServiceName<IDevicesFactory>("default"));
+        }
+        ASSERT_TRUE(devicesFactory != nullptr);
+    }
+
+   protected:
+    // Cache the devicesFactory retrieval to speed up each test by ~0.5s
+    static sp<IDevicesFactory> devicesFactory;
+};
+sp<IDevicesFactory> AudioHidlTest::devicesFactory;
+
+TEST_F(AudioHidlTest, GetAudioDevicesFactoryService) {
+    doc::test("test the getService (called in SetUp)");
+}
+
+TEST_F(AudioHidlTest, OpenDeviceInvalidParameter) {
+    doc::test("test passing an invalid parameter to openDevice");
+    Result result;
+    sp<IDevice> device;
+    ASSERT_OK(devicesFactory->openDevice("Non existing device", returnIn(result, device)));
+    ASSERT_EQ(Result::INVALID_ARGUMENTS, result);
+    ASSERT_TRUE(device == nullptr);
+}
+
+//////////////////////////////////////////////////////////////////////////////
+/////////////////////////////// openDevice primary ///////////////////////////
+//////////////////////////////////////////////////////////////////////////////
+
+// Test the primary device
+class AudioPrimaryHidlTest : public AudioHidlTest {
+   public:
+    /** Primary HAL test are NOT thread safe. */
+    void SetUp() override {
+        ASSERT_NO_FATAL_FAILURE(AudioHidlTest::SetUp());  // setup base
+
+        if (device == nullptr) {
+            Result result;
+            sp<IDevice> baseDevice;
+            ASSERT_OK(devicesFactory->openDevice("primary", returnIn(result, baseDevice)));
+            ASSERT_OK(result);
+            ASSERT_TRUE(baseDevice != nullptr);
+
+            environment->registerTearDown([] { device.clear(); });
+            device = IPrimaryDevice::castFrom(baseDevice);
+            ASSERT_TRUE(device != nullptr);
+        }
+    }
+
+   protected:
+    // Cache the device opening to speed up each test by ~0.5s
+    static sp<IPrimaryDevice> device;
+};
+sp<IPrimaryDevice> AudioPrimaryHidlTest::device;
+
+TEST_F(AudioPrimaryHidlTest, OpenPrimaryDevice) {
+    doc::test("Test the openDevice (called in SetUp)");
+}
+
+TEST_F(AudioPrimaryHidlTest, Init) {
+    doc::test("Test that the audio primary hal initialized correctly");
+    ASSERT_OK(device->initCheck());
+}
+
+//////////////////////////////////////////////////////////////////////////////
+///////////////////// {set,get}{Master,Mic}{Mute,Volume} /////////////////////
+//////////////////////////////////////////////////////////////////////////////
+
+template <class Property>
+class AccessorPrimaryHidlTest : public AudioPrimaryHidlTest {
+   protected:
+    /** Test a property getter and setter. */
+    template <class Getter, class Setter>
+    void testAccessors(const string& propertyName, const vector<Property>& valuesToTest,
+                       Setter setter, Getter getter, const vector<Property>& invalidValues = {}) {
+        Property initialValue;  // Save initial value to restore it at the end
+                                // of the test
+        ASSERT_OK((device.get()->*getter)(returnIn(res, initialValue)));
+        ASSERT_OK(res);
+
+        for (Property setValue : valuesToTest) {
+            SCOPED_TRACE("Test " + propertyName + " getter and setter for " +
+                         testing::PrintToString(setValue));
+            ASSERT_OK((device.get()->*setter)(setValue));
+            Property getValue;
+            // Make sure the getter returns the same value just set
+            ASSERT_OK((device.get()->*getter)(returnIn(res, getValue)));
+            ASSERT_OK(res);
+            EXPECT_EQ(setValue, getValue);
+        }
+
+        for (Property invalidValue : invalidValues) {
+            SCOPED_TRACE("Try to set " + propertyName + " with the invalid value " +
+                         testing::PrintToString(invalidValue));
+            EXPECT_RESULT(Result::INVALID_ARGUMENTS, (device.get()->*setter)(invalidValue));
+        }
+
+        ASSERT_OK((device.get()->*setter)(initialValue));  // restore initial value
+    }
+
+    /** Test the getter and setter of an optional feature. */
+    template <class Getter, class Setter>
+    void testOptionalAccessors(const string& propertyName, const vector<Property>& valuesToTest,
+                               Setter setter, Getter getter,
+                               const vector<Property>& invalidValues = {}) {
+        doc::test("Test the optional " + propertyName + " getters and setter");
+        {
+            SCOPED_TRACE("Test feature support by calling the getter");
+            Property initialValue;
+            ASSERT_OK((device.get()->*getter)(returnIn(res, initialValue)));
+            if (res == Result::NOT_SUPPORTED) {
+                doc::partialTest(propertyName + " getter is not supported");
+                return;
+            }
+            ASSERT_OK(res);  // If it is supported it must succeed
+        }
+        // The feature is supported, test it
+        testAccessors(propertyName, valuesToTest, setter, getter, invalidValues);
+    }
+};
+
+using BoolAccessorPrimaryHidlTest = AccessorPrimaryHidlTest<bool>;
+
+TEST_F(BoolAccessorPrimaryHidlTest, MicMuteTest) {
+    doc::test("Check that the mic can be muted and unmuted");
+    testAccessors("mic mute", {true, false, true}, &IDevice::setMicMute, &IDevice::getMicMute);
+    // TODO: check that the mic is really muted (all sample are 0)
+}
+
+TEST_F(BoolAccessorPrimaryHidlTest, MasterMuteTest) {
+    doc::test(
+        "If master mute is supported, try to mute and unmute the master "
+        "output");
+    testOptionalAccessors("master mute", {true, false, true}, &IDevice::setMasterMute,
+                          &IDevice::getMasterMute);
+    // TODO: check that the master volume is really muted
+}
+
+using FloatAccessorPrimaryHidlTest = AccessorPrimaryHidlTest<float>;
+TEST_F(FloatAccessorPrimaryHidlTest, MasterVolumeTest) {
+    doc::test("Test the master volume if supported");
+    testOptionalAccessors(
+        "master volume", {0, 0.5, 1}, &IDevice::setMasterVolume, &IDevice::getMasterVolume,
+        {-0.1, 1.1, NAN, INFINITY, -INFINITY, 1 + std::numeric_limits<float>::epsilon()});
+    // TODO: check that the master volume is really changed
+}
+
+//////////////////////////////////////////////////////////////////////////////
+//////////////////////////////// AudioPatches ////////////////////////////////
+//////////////////////////////////////////////////////////////////////////////
+
+class AudioPatchPrimaryHidlTest : public AudioPrimaryHidlTest {
+   protected:
+    bool areAudioPatchesSupported() {
+        auto result = device->supportsAudioPatches();
+        EXPECT_IS_OK(result);
+        return result;
+    }
+};
+
+TEST_F(AudioPatchPrimaryHidlTest, AudioPatches) {
+    doc::test("Test if audio patches are supported");
+    if (!areAudioPatchesSupported()) {
+        doc::partialTest("Audio patches are not supported");
+        return;
+    }
+    // TODO: test audio patches
+}
+
+//////////////////////////////////////////////////////////////////////////////
+//////////////// Required and recommended audio format support ///////////////
+// From:
+// https://source.android.com/compatibility/android-cdd.html#5_4_audio_recording
+// From:
+// https://source.android.com/compatibility/android-cdd.html#5_5_audio_playback
+/////////// TODO: move to the beginning of the file for easier update ////////
+//////////////////////////////////////////////////////////////////////////////
+
+class AudioConfigPrimaryTest : public AudioPatchPrimaryHidlTest {
+   public:
+    // Cache result ?
+    static const vector<AudioConfig> getRequiredSupportPlaybackAudioConfig() {
+        return combineAudioConfig({AudioChannelMask::OUT_STEREO, AudioChannelMask::OUT_MONO},
+                                  {8000, 11025, 16000, 22050, 32000, 44100},
+                                  {AudioFormat::PCM_16_BIT});
+    }
+
+    static const vector<AudioConfig> getRecommendedSupportPlaybackAudioConfig() {
+        return combineAudioConfig({AudioChannelMask::OUT_STEREO, AudioChannelMask::OUT_MONO},
+                                  {24000, 48000}, {AudioFormat::PCM_16_BIT});
+    }
+
+    static const vector<AudioConfig> getSupportedPlaybackAudioConfig() {
+        // TODO: retrieve audio config supported by the platform
+        // as declared in the policy configuration
+        return {};
+    }
+
+    static const vector<AudioConfig> getRequiredSupportCaptureAudioConfig() {
+        return combineAudioConfig({AudioChannelMask::IN_MONO}, {8000, 11025, 16000, 44100},
+                                  {AudioFormat::PCM_16_BIT});
+    }
+    static const vector<AudioConfig> getRecommendedSupportCaptureAudioConfig() {
+        return combineAudioConfig({AudioChannelMask::IN_STEREO}, {22050, 48000},
+                                  {AudioFormat::PCM_16_BIT});
+    }
+    static const vector<AudioConfig> getSupportedCaptureAudioConfig() {
+        // TODO: retrieve audio config supported by the platform
+        // as declared in the policy configuration
+        return {};
+    }
+
+   private:
+    static const vector<AudioConfig> combineAudioConfig(vector<AudioChannelMask> channelMasks,
+                                                        vector<uint32_t> sampleRates,
+                                                        vector<AudioFormat> formats) {
+        vector<AudioConfig> configs;
+        for (auto channelMask : channelMasks) {
+            for (auto sampleRate : sampleRates) {
+                for (auto format : formats) {
+                    AudioConfig config{};
+                    // leave offloadInfo to 0
+                    config.channelMask = mkBitfield(channelMask);
+                    config.sampleRateHz = sampleRate;
+                    config.format = format;
+                    // FIXME: leave frameCount to 0 ?
+                    configs.push_back(config);
+                }
+            }
+        }
+        return configs;
+    }
+};
+
+/** Generate a test name based on an audio config.
+ *
+ * As the only parameter changing are channel mask and sample rate,
+ * only print those ones in the test name.
+ */
+static string generateTestName(const testing::TestParamInfo<AudioConfig>& info) {
+    const AudioConfig& config = info.param;
+    return to_string(info.index) + "__" + to_string(config.sampleRateHz) + "_" +
+           // "MONO" is more clear than "FRONT_LEFT"
+           ((config.channelMask == mkBitfield(AudioChannelMask::OUT_MONO) ||
+             config.channelMask == mkBitfield(AudioChannelMask::IN_MONO))
+                ? "MONO"
+                : ::testing::PrintToString(config.channelMask));
+}
+
+//////////////////////////////////////////////////////////////////////////////
+///////////////////////////// getInputBufferSize /////////////////////////////
+//////////////////////////////////////////////////////////////////////////////
+
+// FIXME: execute input test only if platform declares
+// android.hardware.microphone
+//        how to get this value ? is it a property ???
+
+class AudioCaptureConfigPrimaryTest : public AudioConfigPrimaryTest,
+                                      public ::testing::WithParamInterface<AudioConfig> {
+   protected:
+    void inputBufferSizeTest(const AudioConfig& audioConfig, bool supportRequired) {
+        uint64_t bufferSize;
+        ASSERT_OK(device->getInputBufferSize(audioConfig, returnIn(res, bufferSize)));
+
+        switch (res) {
+            case Result::INVALID_ARGUMENTS:
+                EXPECT_FALSE(supportRequired);
+                break;
+            case Result::OK:
+                // Check that the buffer is of a sane size
+                // For now only that it is > 0
+                EXPECT_GT(bufferSize, uint64_t(0));
+                break;
+            default:
+                FAIL() << "Invalid return status: " << ::testing::PrintToString(res);
+        }
+    }
+};
+
+// Test that the required capture config and those declared in the policy are
+// indeed supported
+class RequiredInputBufferSizeTest : public AudioCaptureConfigPrimaryTest {};
+TEST_P(RequiredInputBufferSizeTest, RequiredInputBufferSizeTest) {
+    doc::test(
+        "Input buffer size must be retrievable for a format with required "
+        "support.");
+    inputBufferSizeTest(GetParam(), true);
+}
+INSTANTIATE_TEST_CASE_P(
+    RequiredInputBufferSize, RequiredInputBufferSizeTest,
+    ::testing::ValuesIn(AudioConfigPrimaryTest::getRequiredSupportCaptureAudioConfig()),
+    &generateTestName);
+INSTANTIATE_TEST_CASE_P(
+    SupportedInputBufferSize, RequiredInputBufferSizeTest,
+    ::testing::ValuesIn(AudioConfigPrimaryTest::getSupportedCaptureAudioConfig()),
+    &generateTestName);
+
+// Test that the recommended capture config are supported or lead to a
+// INVALID_ARGUMENTS return
+class OptionalInputBufferSizeTest : public AudioCaptureConfigPrimaryTest {};
+TEST_P(OptionalInputBufferSizeTest, OptionalInputBufferSizeTest) {
+    doc::test(
+        "Input buffer size should be retrievable for a format with recommended "
+        "support.");
+    inputBufferSizeTest(GetParam(), false);
+}
+INSTANTIATE_TEST_CASE_P(
+    RecommendedCaptureAudioConfigSupport, OptionalInputBufferSizeTest,
+    ::testing::ValuesIn(AudioConfigPrimaryTest::getRecommendedSupportCaptureAudioConfig()),
+    &generateTestName);
+
+//////////////////////////////////////////////////////////////////////////////
+/////////////////////////////// setScreenState ///////////////////////////////
+//////////////////////////////////////////////////////////////////////////////
+
+TEST_F(AudioPrimaryHidlTest, setScreenState) {
+    doc::test("Check that the hal can receive the screen state");
+    for (bool turnedOn : {false, true, true, false, false}) {
+        auto ret = device->setScreenState(turnedOn);
+        ASSERT_IS_OK(ret);
+        Result result = ret;
+        auto okOrNotSupported = {Result::OK, Result::NOT_SUPPORTED};
+        ASSERT_RESULT(okOrNotSupported, result);
+    }
+}
+
+//////////////////////////////////////////////////////////////////////////////
+//////////////////////////// {get,set}Parameters /////////////////////////////
+//////////////////////////////////////////////////////////////////////////////
+
+TEST_F(AudioPrimaryHidlTest, getParameters) {
+    doc::test("Check that the hal can set and get parameters");
+    hidl_vec<ParameterValue> context;
+    hidl_vec<hidl_string> keys;
+    hidl_vec<ParameterValue> values;
+    ASSERT_OK(device->getParameters(context, keys, returnIn(res, values)));
+    ASSERT_OK(device->setParameters(context, values));
+    values.resize(0);
+    ASSERT_OK(device->setParameters(context, values));
+}
+
+//////////////////////////////////////////////////////////////////////////////
+//////////////////////////////// debugDebug //////////////////////////////////
+//////////////////////////////////////////////////////////////////////////////
+
+template <class DebugDump>
+static void testDebugDump(DebugDump debugDump) {
+    // File descriptors to our pipe. fds[0] corresponds to the read end and
+    // fds[1] to the write end.
+    int fds[2];
+    ASSERT_EQ(0, pipe2(fds, O_NONBLOCK)) << errno;
+
+    // Make sure that the pipe is at least 1 MB in size. The test process runs
+    // in su domain, so it should be safe to make this call.
+    fcntl(fds[0], F_SETPIPE_SZ, 1 << 20);
+
+    // Wrap the temporary file file descriptor in a native handle
+    auto* nativeHandle = native_handle_create(1, 0);
+    ASSERT_NE(nullptr, nativeHandle);
+    nativeHandle->data[0] = fds[1];
+
+    // Wrap this native handle in a hidl handle
+    hidl_handle handle;
+    handle.setTo(nativeHandle, false /*take ownership*/);
+
+    ASSERT_OK(debugDump(handle));
+
+    // Check that at least one bit was written by the hal
+    // TODO: debugDump does not return a Result.
+    // This mean that the hal can not report that it not implementing the
+    // function.
+    char buff;
+    if (read(fds[0], &buff, 1) != 1) {
+        doc::note("debugDump does not seem implemented");
+    }
+    EXPECT_EQ(0, close(fds[0])) << errno;
+    EXPECT_EQ(0, close(fds[1])) << errno;
+}
+
+TEST_F(AudioPrimaryHidlTest, DebugDump) {
+    doc::test("Check that the hal can dump its state without error");
+    testDebugDump([](const auto& handle) { return device->debug(handle, {/* options */}); });
+}
+
+TEST_F(AudioPrimaryHidlTest, DebugDumpInvalidArguments) {
+    doc::test("Check that the hal dump doesn't crash on invalid arguments");
+    ASSERT_OK(device->debug(hidl_handle(), {/* options */}));
+}
+
+TEST_F(AudioPrimaryHidlTest, SetConnectedState) {
+    doc::test("Check that the HAL can be notified of device connection and deconnection");
+    using AD = AudioDevice;
+    for (auto deviceType : {AD::OUT_HDMI, AD::OUT_WIRED_HEADPHONE, AD::IN_USB_HEADSET}) {
+        SCOPED_TRACE("device=" + ::testing::PrintToString(deviceType));
+        for (bool state : {true, false}) {
+            SCOPED_TRACE("state=" + ::testing::PrintToString(state));
+            DeviceAddress address = {};
+            address.device = deviceType;
+            auto ret = device->setConnectedState(address, state);
+            ASSERT_TRUE(ret.isOk());
+            if (res == Result::NOT_SUPPORTED) {
+                doc::partialTest("setConnectedState is not supported");
+                return;
+            }
+            ASSERT_OK(res);
+        }
+    }
+}
+
+//////////////////////////////////////////////////////////////////////////////
+////////////////////////// open{Output,Input}Stream //////////////////////////
+//////////////////////////////////////////////////////////////////////////////
+
+template <class Stream>
+class OpenStreamTest : public AudioConfigPrimaryTest,
+                       public ::testing::WithParamInterface<AudioConfig> {
+   protected:
+    template <class Open>
+    void testOpen(Open openStream, const AudioConfig& config) {
+        // FIXME: Open a stream without an IOHandle
+        //        This is not required to be accepted by hal implementations
+        AudioIoHandle ioHandle = (AudioIoHandle)AudioHandleConsts::AUDIO_IO_HANDLE_NONE;
+        AudioConfig suggestedConfig{};
+        ASSERT_OK(openStream(ioHandle, config, returnIn(res, stream, suggestedConfig)));
+
+        // TODO: only allow failure for RecommendedPlaybackAudioConfig
+        switch (res) {
+            case Result::OK:
+                ASSERT_TRUE(stream != nullptr);
+                audioConfig = config;
+                break;
+            case Result::INVALID_ARGUMENTS:
+                ASSERT_TRUE(stream == nullptr);
+                AudioConfig suggestedConfigRetry;
+                // Could not open stream with config, try again with the
+                // suggested one
+                ASSERT_OK(openStream(ioHandle, suggestedConfig,
+                                     returnIn(res, stream, suggestedConfigRetry)));
+                // This time it must succeed
+                ASSERT_OK(res);
+                ASSERT_TRUE(stream != nullptr);
+                audioConfig = suggestedConfig;
+                break;
+            default:
+                FAIL() << "Invalid return status: " << ::testing::PrintToString(res);
+        }
+        open = true;
+    }
+
+    Return<Result> closeStream() {
+        open = false;
+        return stream->close();
+    }
+
+   private:
+    void TearDown() override {
+        if (open) {
+            ASSERT_OK(stream->close());
+        }
+    }
+
+   protected:
+    AudioConfig audioConfig;
+    DeviceAddress address = {};
+    sp<Stream> stream;
+    bool open = false;
+};
+
+////////////////////////////// openOutputStream //////////////////////////////
+
+class OutputStreamTest : public OpenStreamTest<IStreamOut> {
+    virtual void SetUp() override {
+        ASSERT_NO_FATAL_FAILURE(OpenStreamTest::SetUp());  // setup base
+        address.device = AudioDevice::OUT_DEFAULT;
+        const AudioConfig& config = GetParam();
+        // TODO: test all flag combination
+        auto flags = hidl_bitfield<AudioOutputFlag>(AudioOutputFlag::NONE);
+        SourceMetadata metadata = {{{}}};  // create on track metadata
+        testOpen(
+            [&](AudioIoHandle handle, AudioConfig config, auto cb) {
+                return device->openOutputStream(handle, address, config, flags, metadata, cb);
+            },
+            config);
+    }
+};
+TEST_P(OutputStreamTest, OpenOutputStreamTest) {
+    doc::test(
+        "Check that output streams can be open with the required and "
+        "recommended config");
+    // Open done in SetUp
+}
+INSTANTIATE_TEST_CASE_P(
+    RequiredOutputStreamConfigSupport, OutputStreamTest,
+    ::testing::ValuesIn(AudioConfigPrimaryTest::getRequiredSupportPlaybackAudioConfig()),
+    &generateTestName);
+INSTANTIATE_TEST_CASE_P(
+    SupportedOutputStreamConfig, OutputStreamTest,
+    ::testing::ValuesIn(AudioConfigPrimaryTest::getSupportedPlaybackAudioConfig()),
+    &generateTestName);
+
+INSTANTIATE_TEST_CASE_P(
+    RecommendedOutputStreamConfigSupport, OutputStreamTest,
+    ::testing::ValuesIn(AudioConfigPrimaryTest::getRecommendedSupportPlaybackAudioConfig()),
+    &generateTestName);
+
+////////////////////////////// openInputStream //////////////////////////////
+
+class InputStreamTest : public OpenStreamTest<IStreamIn> {
+    virtual void SetUp() override {
+        ASSERT_NO_FATAL_FAILURE(OpenStreamTest::SetUp());  // setup base
+        address.device = AudioDevice::IN_DEFAULT;
+        const AudioConfig& config = GetParam();
+        // TODO: test all supported flags and source
+        auto flags = hidl_bitfield<AudioInputFlag>(AudioInputFlag::NONE);
+        SinkMetadata metadata = {{{AudioSource::DEFAULT, 1}}};
+        testOpen(
+            [&](AudioIoHandle handle, AudioConfig config, auto cb) {
+                return device->openInputStream(handle, address, config, flags, metadata, cb);
+            },
+            config);
+    }
+};
+
+TEST_P(InputStreamTest, OpenInputStreamTest) {
+    doc::test(
+        "Check that input streams can be open with the required and "
+        "recommended config");
+    // Open done in setup
+}
+INSTANTIATE_TEST_CASE_P(
+    RequiredInputStreamConfigSupport, InputStreamTest,
+    ::testing::ValuesIn(AudioConfigPrimaryTest::getRequiredSupportCaptureAudioConfig()),
+    &generateTestName);
+INSTANTIATE_TEST_CASE_P(
+    SupportedInputStreamConfig, InputStreamTest,
+    ::testing::ValuesIn(AudioConfigPrimaryTest::getSupportedCaptureAudioConfig()),
+    &generateTestName);
+
+INSTANTIATE_TEST_CASE_P(
+    RecommendedInputStreamConfigSupport, InputStreamTest,
+    ::testing::ValuesIn(AudioConfigPrimaryTest::getRecommendedSupportCaptureAudioConfig()),
+    &generateTestName);
+
+//////////////////////////////////////////////////////////////////////////////
+////////////////////////////// IStream getters ///////////////////////////////
+//////////////////////////////////////////////////////////////////////////////
+
+/** Unpack the provided result.
+ * If the result is not OK, register a failure and return an undefined value. */
+template <class R>
+static R extract(Return<R> ret) {
+    if (!ret.isOk()) {
+        EXPECT_IS_OK(ret);
+        return R{};
+    }
+    return ret;
+}
+
+/* Could not find a way to write a test for two parametrized class fixure
+ * thus use this macro do duplicate tests for Input and Output stream */
+#define TEST_IO_STREAM(test_name, documentation, code) \
+    TEST_P(InputStreamTest, test_name) {               \
+        doc::test(documentation);                      \
+        code;                                          \
+    }                                                  \
+    TEST_P(OutputStreamTest, test_name) {              \
+        doc::test(documentation);                      \
+        code;                                          \
+    }
+
+TEST_IO_STREAM(GetFrameCount, "Check that the stream frame count == the one it was opened with",
+               ASSERT_EQ(audioConfig.frameCount, extract(stream->getFrameCount())))
+
+TEST_IO_STREAM(GetSampleRate, "Check that the stream sample rate == the one it was opened with",
+               ASSERT_EQ(audioConfig.sampleRateHz, extract(stream->getSampleRate())))
+
+TEST_IO_STREAM(GetChannelMask, "Check that the stream channel mask == the one it was opened with",
+               ASSERT_EQ(audioConfig.channelMask, extract(stream->getChannelMask())))
+
+TEST_IO_STREAM(GetFormat, "Check that the stream format == the one it was opened with",
+               ASSERT_EQ(audioConfig.format, extract(stream->getFormat())))
+
+// TODO: for now only check that the framesize is not incoherent
+TEST_IO_STREAM(GetFrameSize, "Check that the stream frame size == the one it was opened with",
+               ASSERT_GT(extract(stream->getFrameSize()), 0U))
+
+TEST_IO_STREAM(GetBufferSize, "Check that the stream buffer size== the one it was opened with",
+               ASSERT_GE(extract(stream->getBufferSize()), extract(stream->getFrameSize())));
+
+template <class Property, class CapablityGetter>
+static void testCapabilityGetter(const string& name, IStream* stream,
+                                 CapablityGetter capablityGetter,
+                                 Return<Property> (IStream::*getter)(),
+                                 Return<Result> (IStream::*setter)(Property),
+                                 bool currentMustBeSupported = true) {
+    hidl_vec<Property> capabilities;
+    auto ret = capablityGetter(stream, capabilities);
+    if (ret == Result::NOT_SUPPORTED) {
+        doc::partialTest(name + " is not supported");
+        return;
+    };
+    ASSERT_OK(ret);
+
+    if (currentMustBeSupported) {
+        Property currentValue = extract((stream->*getter)());
+        EXPECT_NE(std::find(capabilities.begin(), capabilities.end(), currentValue),
+                  capabilities.end())
+            << "current " << name << " is not in the list of the supported ones "
+            << toString(capabilities);
+    }
+
+    // Check that all declared supported values are indeed supported
+    for (auto capability : capabilities) {
+        auto ret = (stream->*setter)(capability);
+        ASSERT_TRUE(ret.isOk());
+        if (ret == Result::NOT_SUPPORTED) {
+            doc::partialTest("Setter is not supported");
+            return;
+        }
+        ASSERT_OK(ret);
+        ASSERT_EQ(capability, extract((stream->*getter)()));
+    }
+}
+
+Result getSupportedSampleRates(IStream* stream, hidl_vec<uint32_t>& rates) {
+    Result res;
+    EXPECT_OK(stream->getSupportedSampleRates(extract(stream->getFormat()), returnIn(res, rates)));
+    return res;
+}
+
+Result getSupportedChannelMasks(IStream* stream,
+                                hidl_vec<hidl_bitfield<AudioChannelMask>>& channels) {
+    Result res;
+    EXPECT_OK(
+        stream->getSupportedSampleRates(extract(stream->getFormat()), returnIn(res, channels)));
+    return res;
+}
+
+Result getSupportedFormats(IStream* stream, hidl_vec<AudioFormat>& capabilities) {
+    EXPECT_OK(stream->getSupportedFormats(returnIn(capabilities)));
+    // TODO: this should be an optional function
+    return Result::OK;
+}
+
+TEST_IO_STREAM(SupportedSampleRate, "Check that the stream sample rate is declared as supported",
+               testCapabilityGetter("getSupportedSampleRate", stream.get(),
+                                    &getSupportedSampleRates, &IStream::getSampleRate,
+                                    &IStream::setSampleRate,
+                                    // getSupportedSampleRate returns the native sampling rates,
+                                    // (the sampling rates that can be played without resampling)
+                                    // but other sampling rates can be supported by the HAL.
+                                    false))
+
+TEST_IO_STREAM(SupportedChannelMask, "Check that the stream channel mask is declared as supported",
+               testCapabilityGetter("getSupportedChannelMask", stream.get(),
+                                    &getSupportedChannelMasks, &IStream::getChannelMask,
+                                    &IStream::setChannelMask))
+
+TEST_IO_STREAM(SupportedFormat, "Check that the stream format is declared as supported",
+               testCapabilityGetter("getSupportedFormat", stream.get(), &getSupportedFormats,
+                                    &IStream::getFormat, &IStream::setFormat))
+
+static void testGetDevice(IStream* stream, AudioDevice expectedDevice) {
+    hidl_vec<DeviceAddress> devices;
+    Result res;
+    ASSERT_OK(stream->getDevices(returnIn(res, devices)));
+    if (res == Result::NOT_SUPPORTED) {
+        return doc::partialTest("GetDevices is not supported");
+    }
+    // The stream was constructed with one device, thus getDevices must only return one
+    ASSERT_EQ(1U, devices.size());
+    AudioDevice device = devices[0].device;
+    ASSERT_TRUE(device == expectedDevice)
+        << "Expected: " << ::testing::PrintToString(expectedDevice)
+        << "\n  Actual: " << ::testing::PrintToString(device);
+}
+
+TEST_IO_STREAM(GetDevice, "Check that the stream device == the one it was opened with",
+               areAudioPatchesSupported() ? doc::partialTest("Audio patches are supported")
+                                          : testGetDevice(stream.get(), address.device))
+
+static void testSetDevice(IStream* stream, const DeviceAddress& address) {
+    DeviceAddress otherAddress = address;
+    otherAddress.device = (address.device & AudioDevice::BIT_IN) == 0 ? AudioDevice::OUT_SPEAKER
+                                                                      : AudioDevice::IN_BUILTIN_MIC;
+    EXPECT_OK(stream->setDevices({otherAddress}));
+
+    ASSERT_OK(stream->setDevices({address}));  // Go back to the original value
+}
+
+TEST_IO_STREAM(SetDevice, "Check that the stream can be rerouted to SPEAKER or BUILTIN_MIC",
+               areAudioPatchesSupported() ? doc::partialTest("Audio patches are supported")
+                                          : testSetDevice(stream.get(), address))
+
+static void testGetAudioProperties(IStream* stream, AudioConfig expectedConfig) {
+    uint32_t sampleRateHz;
+    hidl_bitfield<AudioChannelMask> mask;
+    AudioFormat format;
+
+    stream->getAudioProperties(returnIn(sampleRateHz, mask, format));
+
+    // FIXME: the qcom hal it does not currently negotiate the sampleRate &
+    // channel mask
+    EXPECT_EQ(expectedConfig.sampleRateHz, sampleRateHz);
+    EXPECT_EQ(expectedConfig.channelMask, mask);
+    EXPECT_EQ(expectedConfig.format, format);
+}
+
+TEST_IO_STREAM(GetAudioProperties,
+               "Check that the stream audio properties == the ones it was opened with",
+               testGetAudioProperties(stream.get(), audioConfig))
+
+static auto invalidArgsOrNotSupportedOrOK = {Result::INVALID_ARGUMENTS, Result::NOT_SUPPORTED,
+                                             Result::OK};
+TEST_IO_STREAM(SetHwAvSync, "Try to set hardware sync to an invalid value",
+               ASSERT_RESULT(invalidArgsOrNotSupportedOrOK, stream->setHwAvSync(666)))
+
+static void checkGetHwAVSync(IDevice* device) {
+    Result res;
+    AudioHwSync sync;
+    ASSERT_OK(device->getHwAvSync(returnIn(res, sync)));
+    if (res == Result::NOT_SUPPORTED) {
+        return doc::partialTest("getHwAvSync is not supported");
+    }
+    ASSERT_OK(res);
+}
+TEST_IO_STREAM(GetHwAvSync, "Get hardware sync can not fail", checkGetHwAVSync(device.get()));
+
+static void checkGetNoParameter(IStream* stream, hidl_vec<hidl_string> keys,
+                                initializer_list<Result> expectedResults) {
+    hidl_vec<ParameterValue> context;
+    hidl_vec<ParameterValue> parameters;
+    Result res;
+    ASSERT_OK(stream->getParameters(context, keys, returnIn(res, parameters)));
+    ASSERT_RESULT(expectedResults, res);
+    if (res == Result::OK) {
+        for (auto& parameter : parameters) {
+            ASSERT_EQ(0U, parameter.value.size()) << toString(parameter);
+        }
+    }
+}
+
+/* Get/Set parameter is intended to be an opaque channel between vendors app and
+ * their HALs.
+ * Thus can not be meaningfully tested.
+ */
+TEST_IO_STREAM(getEmptySetParameter, "Retrieve the values of an empty set",
+               checkGetNoParameter(stream.get(), {} /* keys */, {Result::OK}))
+
+TEST_IO_STREAM(getNonExistingParameter, "Retrieve the values of an non existing parameter",
+               checkGetNoParameter(stream.get(), {"Non existing key"} /* keys */,
+                                   {Result::NOT_SUPPORTED}))
+
+TEST_IO_STREAM(setEmptySetParameter, "Set the values of an empty set of parameters",
+               ASSERT_RESULT(Result::OK, stream->setParameters({}, {})))
+
+TEST_IO_STREAM(setNonExistingParameter, "Set the values of an non existing parameter",
+               // Unfortunately, the set_parameter legacy interface did not return any
+               // error code when a key is not supported.
+               // To allow implementation to just wrapped the legacy one, consider OK as a
+               // valid result for setting a non existing parameter.
+               ASSERT_RESULT(invalidArgsOrNotSupportedOrOK,
+                             stream->setParameters({}, {{"non existing key", "0"}})))
+
+TEST_IO_STREAM(DebugDump, "Check that a stream can dump its state without error",
+               testDebugDump([this](const auto& handle) { return stream->debug(handle, {}); }))
+
+TEST_IO_STREAM(DebugDumpInvalidArguments,
+               "Check that the stream dump doesn't crash on invalid arguments",
+               ASSERT_OK(stream->debug(hidl_handle(), {})))
+
+//////////////////////////////////////////////////////////////////////////////
+////////////////////////////// addRemoveEffect ///////////////////////////////
+//////////////////////////////////////////////////////////////////////////////
+
+TEST_IO_STREAM(AddNonExistingEffect, "Adding a non existing effect should fail",
+               ASSERT_RESULT(Result::INVALID_ARGUMENTS, stream->addEffect(666)))
+TEST_IO_STREAM(RemoveNonExistingEffect, "Removing a non existing effect should fail",
+               ASSERT_RESULT(Result::INVALID_ARGUMENTS, stream->removeEffect(666)))
+
+// TODO: positive tests
+
+//////////////////////////////////////////////////////////////////////////////
+/////////////////////////////// Control ////////////////////////////////
+//////////////////////////////////////////////////////////////////////////////
+
+TEST_IO_STREAM(standby, "Make sure the stream can be put in stanby",
+               ASSERT_OK(stream->standby()))  // can not fail
+
+static constexpr auto invalidStateOrNotSupported = {Result::INVALID_STATE, Result::NOT_SUPPORTED};
+
+TEST_IO_STREAM(startNoMmap, "Starting a mmaped stream before mapping it should fail",
+               ASSERT_RESULT(invalidStateOrNotSupported, stream->start()))
+
+TEST_IO_STREAM(stopNoMmap, "Stopping a mmaped stream before mapping it should fail",
+               ASSERT_RESULT(invalidStateOrNotSupported, stream->stop()))
+
+TEST_IO_STREAM(getMmapPositionNoMmap, "Get a stream Mmap position before mapping it should fail",
+               ASSERT_RESULT(invalidStateOrNotSupported, stream->stop()))
+
+TEST_IO_STREAM(close, "Make sure a stream can be closed", ASSERT_OK(closeStream()))
+TEST_IO_STREAM(closeTwice, "Make sure a stream can not be closed twice", ASSERT_OK(closeStream());
+               ASSERT_RESULT(Result::INVALID_STATE, closeStream()))
+
+static auto invalidArgsOrNotSupported = {Result::INVALID_ARGUMENTS, Result::NOT_SUPPORTED};
+static void testCreateTooBigMmapBuffer(IStream* stream) {
+    MmapBufferInfo info;
+    Result res;
+    // Assume that int max is a value too big to be allocated
+    // This is true currently with a 32bit media server, but might not when it
+    // will run in 64 bit
+    auto minSizeFrames = std::numeric_limits<int32_t>::max();
+    ASSERT_OK(stream->createMmapBuffer(minSizeFrames, returnIn(res, info)));
+    ASSERT_RESULT(invalidArgsOrNotSupported, res);
+}
+
+TEST_IO_STREAM(CreateTooBigMmapBuffer, "Create mmap buffer too big should fail",
+               testCreateTooBigMmapBuffer(stream.get()))
+
+static void testGetMmapPositionOfNonMmapedStream(IStream* stream) {
+    Result res;
+    MmapPosition position;
+    ASSERT_OK(stream->getMmapPosition(returnIn(res, position)));
+    ASSERT_RESULT(invalidArgsOrNotSupported, res);
+}
+
+TEST_IO_STREAM(GetMmapPositionOfNonMmapedStream,
+               "Retrieving the mmap position of a non mmaped stream should fail",
+               testGetMmapPositionOfNonMmapedStream(stream.get()))
+
+//////////////////////////////////////////////////////////////////////////////
+///////////////////////////////// StreamIn ///////////////////////////////////
+//////////////////////////////////////////////////////////////////////////////
+
+TEST_P(InputStreamTest, GetAudioSource) {
+    doc::test("Retrieving the audio source of an input stream should always succeed");
+    AudioSource source;
+    ASSERT_OK(stream->getAudioSource(returnIn(res, source)));
+    if (res == Result::NOT_SUPPORTED) {
+        doc::partialTest("getAudioSource is not supported");
+        return;
+    }
+    ASSERT_OK(res);
+    ASSERT_EQ(AudioSource::DEFAULT, source);
+}
+
+static void testUnitaryGain(std::function<Return<Result>(float)> setGain) {
+    for (float value : (float[]){-INFINITY, -1.0, 1.0 + std::numeric_limits<float>::epsilon(), 2.0,
+                                 INFINITY, NAN}) {
+        EXPECT_RESULT(Result::INVALID_ARGUMENTS, setGain(value)) << "value=" << value;
+    }
+    // Do not consider -0.0 as an invalid value as it is == with 0.0
+    for (float value : {-0.0, 0.0, 0.01, 0.5, 0.09, 1.0 /* Restore volume*/}) {
+        EXPECT_OK(setGain(value)) << "value=" << value;
+    }
+}
+
+static void testOptionalUnitaryGain(std::function<Return<Result>(float)> setGain,
+                                    string debugName) {
+    auto result = setGain(1);
+    ASSERT_IS_OK(result);
+    if (result == Result::NOT_SUPPORTED) {
+        doc::partialTest(debugName + " is not supported");
+        return;
+    }
+    testUnitaryGain(setGain);
+}
+
+TEST_P(InputStreamTest, SetGain) {
+    doc::test("The gain of an input stream should only be set between [0,1]");
+    testOptionalUnitaryGain([this](float volume) { return stream->setGain(volume); },
+                            "InputStream::setGain");
+}
+
+static void testPrepareForReading(IStreamIn* stream, uint32_t frameSize, uint32_t framesCount) {
+    Result res;
+    // Ignore output parameters as the call should fail
+    ASSERT_OK(stream->prepareForReading(frameSize, framesCount,
+                                        [&res](auto r, auto&, auto&, auto&, auto&) { res = r; }));
+    EXPECT_RESULT(Result::INVALID_ARGUMENTS, res);
+}
+
+TEST_P(InputStreamTest, PrepareForReadingWithZeroBuffer) {
+    doc::test("Preparing a stream for reading with a 0 sized buffer should fail");
+    testPrepareForReading(stream.get(), 0, 0);
+}
+
+TEST_P(InputStreamTest, PrepareForReadingWithHugeBuffer) {
+    doc::test("Preparing a stream for reading with a 2^32 sized buffer should fail");
+    testPrepareForReading(stream.get(), 1, std::numeric_limits<uint32_t>::max());
+}
+
+TEST_P(InputStreamTest, PrepareForReadingCheckOverflow) {
+    doc::test(
+        "Preparing a stream for reading with a overflowing sized buffer should "
+        "fail");
+    auto uintMax = std::numeric_limits<uint32_t>::max();
+    testPrepareForReading(stream.get(), uintMax, uintMax);
+}
+
+TEST_P(InputStreamTest, GetInputFramesLost) {
+    doc::test("The number of frames lost on a never started stream should be 0");
+    auto ret = stream->getInputFramesLost();
+    ASSERT_IS_OK(ret);
+    uint32_t framesLost{ret};
+    ASSERT_EQ(0U, framesLost);
+}
+
+TEST_P(InputStreamTest, getCapturePosition) {
+    doc::test(
+        "The capture position of a non prepared stream should not be "
+        "retrievable");
+    uint64_t frames;
+    uint64_t time;
+    ASSERT_OK(stream->getCapturePosition(returnIn(res, frames, time)));
+    ASSERT_RESULT(invalidStateOrNotSupported, res);
+}
+
+//////////////////////////////////////////////////////////////////////////////
+///////////////////////////////// StreamIn ///////////////////////////////////
+//////////////////////////////////////////////////////////////////////////////
+
+TEST_P(OutputStreamTest, getLatency) {
+    doc::test("Make sure latency is over 0");
+    auto result = stream->getLatency();
+    ASSERT_IS_OK(result);
+    ASSERT_GT(result, 0U);
+}
+
+TEST_P(OutputStreamTest, setVolume) {
+    doc::test("Try to set the output volume");
+    testOptionalUnitaryGain([this](float volume) { return stream->setVolume(volume, volume); },
+                            "setVolume");
+}
+
+static void testPrepareForWriting(IStreamOut* stream, uint32_t frameSize, uint32_t framesCount) {
+    Result res;
+    // Ignore output parameters as the call should fail
+    ASSERT_OK(stream->prepareForWriting(frameSize, framesCount,
+                                        [&res](auto r, auto&, auto&, auto&, auto&) { res = r; }));
+    EXPECT_RESULT(Result::INVALID_ARGUMENTS, res);
+}
+
+TEST_P(OutputStreamTest, PrepareForWriteWithZeroBuffer) {
+    doc::test("Preparing a stream for writing with a 0 sized buffer should fail");
+    testPrepareForWriting(stream.get(), 0, 0);
+}
+
+TEST_P(OutputStreamTest, PrepareForWriteWithHugeBuffer) {
+    doc::test("Preparing a stream for writing with a 2^32 sized buffer should fail");
+    testPrepareForWriting(stream.get(), 1, std::numeric_limits<uint32_t>::max());
+}
+
+TEST_P(OutputStreamTest, PrepareForWritingCheckOverflow) {
+    doc::test(
+        "Preparing a stream for writing with a overflowing sized buffer should "
+        "fail");
+    auto uintMax = std::numeric_limits<uint32_t>::max();
+    testPrepareForWriting(stream.get(), uintMax, uintMax);
+}
+
+struct Capability {
+    Capability(IStreamOut* stream) {
+        EXPECT_OK(stream->supportsPauseAndResume(returnIn(pause, resume)));
+        auto ret = stream->supportsDrain();
+        EXPECT_IS_OK(ret);
+        if (ret.isOk()) {
+            drain = ret;
+        }
+    }
+    bool pause = false;
+    bool resume = false;
+    bool drain = false;
+};
+
+TEST_P(OutputStreamTest, SupportsPauseAndResumeAndDrain) {
+    doc::test("Implementation must expose pause, resume and drain capabilities");
+    Capability(stream.get());
+}
+
+template <class Value>
+static void checkInvalidStateOr0(Result res, Value value) {
+    switch (res) {
+        case Result::INVALID_STATE:
+            break;
+        case Result::OK:
+            ASSERT_EQ(0U, value);
+            break;
+        default:
+            FAIL() << "Unexpected result " << toString(res);
+    }
+}
+
+TEST_P(OutputStreamTest, GetRenderPosition) {
+    doc::test("A new stream render position should be 0 or INVALID_STATE");
+    uint32_t dspFrames;
+    ASSERT_OK(stream->getRenderPosition(returnIn(res, dspFrames)));
+    if (res == Result::NOT_SUPPORTED) {
+        doc::partialTest("getRenderPosition is not supported");
+        return;
+    }
+    checkInvalidStateOr0(res, dspFrames);
+}
+
+TEST_P(OutputStreamTest, GetNextWriteTimestamp) {
+    doc::test("A new stream next write timestamp should be 0 or INVALID_STATE");
+    uint64_t timestampUs;
+    ASSERT_OK(stream->getNextWriteTimestamp(returnIn(res, timestampUs)));
+    if (res == Result::NOT_SUPPORTED) {
+        doc::partialTest("getNextWriteTimestamp is not supported");
+        return;
+    }
+    checkInvalidStateOr0(res, timestampUs);
+}
+
+/** Stub implementation of out stream callback. */
+class MockOutCallbacks : public IStreamOutCallback {
+    Return<void> onWriteReady() override { return {}; }
+    Return<void> onDrainReady() override { return {}; }
+    Return<void> onError() override { return {}; }
+};
+
+static bool isAsyncModeSupported(IStreamOut* stream) {
+    auto res = stream->setCallback(new MockOutCallbacks);
+    stream->clearCallback();  // try to restore the no callback state, ignore
+                              // any error
+    auto okOrNotSupported = {Result::OK, Result::NOT_SUPPORTED};
+    EXPECT_RESULT(okOrNotSupported, res);
+    return res.isOk() ? res == Result::OK : false;
+}
+
+TEST_P(OutputStreamTest, SetCallback) {
+    doc::test(
+        "If supported, registering callback for async operation should never "
+        "fail");
+    if (!isAsyncModeSupported(stream.get())) {
+        doc::partialTest("The stream does not support async operations");
+        return;
+    }
+    ASSERT_OK(stream->setCallback(new MockOutCallbacks));
+    ASSERT_OK(stream->setCallback(new MockOutCallbacks));
+}
+
+TEST_P(OutputStreamTest, clearCallback) {
+    doc::test(
+        "If supported, clearing a callback to go back to sync operation should "
+        "not fail");
+    if (!isAsyncModeSupported(stream.get())) {
+        doc::partialTest("The stream does not support async operations");
+        return;
+    }
+    // TODO: Clarify if clearing a non existing callback should fail
+    ASSERT_OK(stream->setCallback(new MockOutCallbacks));
+    ASSERT_OK(stream->clearCallback());
+}
+
+TEST_P(OutputStreamTest, Resume) {
+    doc::test(
+        "If supported, a stream should fail to resume if not previously "
+        "paused");
+    if (!Capability(stream.get()).resume) {
+        doc::partialTest("The output stream does not support resume");
+        return;
+    }
+    ASSERT_RESULT(Result::INVALID_STATE, stream->resume());
+}
+
+TEST_P(OutputStreamTest, Pause) {
+    doc::test(
+        "If supported, a stream should fail to pause if not previously "
+        "started");
+    if (!Capability(stream.get()).pause) {
+        doc::partialTest("The output stream does not support pause");
+        return;
+    }
+    ASSERT_RESULT(Result::INVALID_STATE, stream->resume());
+}
+
+static void testDrain(IStreamOut* stream, AudioDrain type) {
+    if (!Capability(stream).drain) {
+        doc::partialTest("The output stream does not support drain");
+        return;
+    }
+    ASSERT_RESULT(Result::OK, stream->drain(type));
+}
+
+TEST_P(OutputStreamTest, DrainAll) {
+    doc::test("If supported, a stream should always succeed to drain");
+    testDrain(stream.get(), AudioDrain::ALL);
+}
+
+TEST_P(OutputStreamTest, DrainEarlyNotify) {
+    doc::test("If supported, a stream should always succeed to drain");
+    testDrain(stream.get(), AudioDrain::EARLY_NOTIFY);
+}
+
+TEST_P(OutputStreamTest, FlushStop) {
+    doc::test("If supported, a stream should always succeed to flush");
+    auto ret = stream->flush();
+    ASSERT_IS_OK(ret);
+    if (ret == Result::NOT_SUPPORTED) {
+        doc::partialTest("Flush is not supported");
+        return;
+    }
+    ASSERT_OK(ret);
+}
+
+TEST_P(OutputStreamTest, GetPresentationPositionStop) {
+    doc::test(
+        "If supported, a stream should always succeed to retrieve the "
+        "presentation position");
+    uint64_t frames;
+    TimeSpec mesureTS;
+    ASSERT_OK(stream->getPresentationPosition(returnIn(res, frames, mesureTS)));
+    if (res == Result::NOT_SUPPORTED) {
+        doc::partialTest("getpresentationPosition is not supported");
+        return;
+    }
+    ASSERT_EQ(0U, frames);
+
+    if (mesureTS.tvNSec == 0 && mesureTS.tvSec == 0) {
+        // As the stream has never written a frame yet,
+        // the timestamp does not really have a meaning, allow to return 0
+        return;
+    }
+
+    // Make sure the return measure is not more than 1s old.
+    struct timespec currentTS;
+    ASSERT_EQ(0, clock_gettime(CLOCK_MONOTONIC, &currentTS)) << errno;
+
+    auto toMicroSec = [](uint64_t sec, auto nsec) { return sec * 1e+6 + nsec / 1e+3; };
+    auto currentTime = toMicroSec(currentTS.tv_sec, currentTS.tv_nsec);
+    auto mesureTime = toMicroSec(mesureTS.tvSec, mesureTS.tvNSec);
+    ASSERT_PRED2([](auto c, auto m) { return c - m < 1e+6; }, currentTime, mesureTime);
+}
+
+//////////////////////////////////////////////////////////////////////////////
+/////////////////////////////// PrimaryDevice ////////////////////////////////
+//////////////////////////////////////////////////////////////////////////////
+
+TEST_F(AudioPrimaryHidlTest, setVoiceVolume) {
+    doc::test("Make sure setVoiceVolume only succeed if volume is in [0,1]");
+    testUnitaryGain([](float volume) { return device->setVoiceVolume(volume); });
+}
+
+TEST_F(AudioPrimaryHidlTest, setMode) {
+    doc::test(
+        "Make sure setMode always succeeds if mode is valid "
+        "and fails otherwise");
+    // Test Invalid values
+    for (int mode : {-1, 0, int(AudioMode::IN_COMMUNICATION) + 1}) {
+        SCOPED_TRACE("mode=" + to_string(mode));
+        ASSERT_RESULT(Result::INVALID_ARGUMENTS, device->setMode(AudioMode(mode)));
+    }
+    // Test valid values
+    for (AudioMode mode : {AudioMode::IN_CALL, AudioMode::IN_COMMUNICATION, AudioMode::RINGTONE,
+                           AudioMode::NORMAL /* Make sure to leave the test in normal mode */}) {
+        SCOPED_TRACE("mode=" + toString(mode));
+        ASSERT_OK(device->setMode(mode));
+    }
+}
+
+TEST_F(BoolAccessorPrimaryHidlTest, BtScoNrecEnabled) {
+    doc::test("Query and set the BT SCO NR&EC state");
+    testOptionalAccessors("BtScoNrecEnabled", {true, false, true},
+                          &IPrimaryDevice::setBtScoNrecEnabled,
+                          &IPrimaryDevice::getBtScoNrecEnabled);
+}
+
+TEST_F(BoolAccessorPrimaryHidlTest, setGetBtScoWidebandEnabled) {
+    doc::test("Query and set the SCO whideband state");
+    testOptionalAccessors("BtScoWideband", {true, false, true},
+                          &IPrimaryDevice::setBtScoWidebandEnabled,
+                          &IPrimaryDevice::getBtScoWidebandEnabled);
+}
+
+using TtyModeAccessorPrimaryHidlTest = AccessorPrimaryHidlTest<TtyMode>;
+TEST_F(TtyModeAccessorPrimaryHidlTest, setGetTtyMode) {
+    doc::test("Query and set the TTY mode state");
+    testOptionalAccessors("TTY mode", {TtyMode::OFF, TtyMode::HCO, TtyMode::VCO, TtyMode::FULL},
+                          &IPrimaryDevice::setTtyMode, &IPrimaryDevice::getTtyMode);
+}
+
+TEST_F(BoolAccessorPrimaryHidlTest, setGetHac) {
+    doc::test("Query and set the HAC state");
+    testOptionalAccessors("HAC", {true, false, true}, &IPrimaryDevice::setHacEnabled,
+                          &IPrimaryDevice::getHacEnabled);
+}
+
+//////////////////////////////////////////////////////////////////////////////
+//////////////////// Clean caches on global tear down ////////////////////////
+//////////////////////////////////////////////////////////////////////////////
+
+int main(int argc, char** argv) {
+    environment = new AudioHidlTestEnvironment;
+    ::testing::AddGlobalTestEnvironment(environment);
+    ::testing::InitGoogleTest(&argc, argv);
+    environment->init(&argc, argv);
+    int status = RUN_ALL_TESTS();
+    return status;
+}
diff --git a/audio/core/4.0/vts/functional/ValidateAudioConfiguration.cpp b/audio/core/4.0/vts/functional/ValidateAudioConfiguration.cpp
new file mode 100644
index 0000000..a64513f
--- /dev/null
+++ b/audio/core/4.0/vts/functional/ValidateAudioConfiguration.cpp
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <unistd.h>
+#include <string>
+
+#include "utility/ValidateXml.h"
+
+TEST(CheckConfig, audioPolicyConfigurationValidation) {
+    RecordProperty("description",
+                   "Verify that the audio policy configuration file "
+                   "is valid according to the schema");
+
+    std::vector<const char*> locations = {"/odm/etc", "/vendor/etc", "/system/etc"};
+    EXPECT_ONE_VALID_XML_MULTIPLE_LOCATIONS("audio_policy_configuration.xml", locations,
+                                            "/data/local/tmp/audio_policy_configuration_V4_0.xsd");
+}
diff --git a/audio/core/all-versions/default/Android.bp b/audio/core/all-versions/default/Android.bp
index 214b8d5..bb02863 100644
--- a/audio/core/all-versions/default/Android.bp
+++ b/audio/core/all-versions/default/Android.bp
@@ -1,7 +1,6 @@
 cc_library_headers {
     name: "android.hardware.audio.core@all-versions-impl",
     relative_install_path: "hw",
-    proprietary: true,
     vendor: true,
 
     defaults: ["hidl_defaults"],
diff --git a/audio/core/all-versions/default/include/core/all-versions/default/Device.h b/audio/core/all-versions/default/include/core/all-versions/default/Device.h
index 224823c..eb53b48 100644
--- a/audio/core/all-versions/default/include/core/all-versions/default/Device.h
+++ b/audio/core/all-versions/default/include/core/all-versions/default/Device.h
@@ -25,6 +25,8 @@
 
 #include <hidl/MQDescriptor.h>
 
+#include <VersionUtils.h>
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -39,6 +41,9 @@
 using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioPort;
 using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioPortConfig;
 using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioSource;
+using ::android::hardware::audio::common::AUDIO_HAL_VERSION::implementation::AudioInputFlagBitfield;
+using ::android::hardware::audio::common::AUDIO_HAL_VERSION::implementation::
+    AudioOutputFlagBitfield;
 using ::android::hardware::audio::AUDIO_HAL_VERSION::DeviceAddress;
 using ::android::hardware::audio::AUDIO_HAL_VERSION::IDevice;
 using ::android::hardware::audio::AUDIO_HAL_VERSION::IStreamIn;
@@ -51,6 +56,11 @@
 using ::android::hardware::hidl_string;
 using ::android::sp;
 
+#ifdef AUDIO_HAL_VERSION_4_0
+using ::android::hardware::audio::AUDIO_HAL_VERSION::SourceMetadata;
+using ::android::hardware::audio::AUDIO_HAL_VERSION::SinkMetadata;
+#endif
+
 struct Device : public IDevice, public ParametersUtil {
     explicit Device(audio_hw_device_t* device);
 
@@ -64,12 +74,26 @@
     Return<void> getMasterMute(getMasterMute_cb _hidl_cb) override;
     Return<void> getInputBufferSize(const AudioConfig& config,
                                     getInputBufferSize_cb _hidl_cb) override;
+
+    // V2 openInputStream is called by V4 input stream thus present in both versions
+    Return<void> openInputStream(int32_t ioHandle, const DeviceAddress& device,
+                                 const AudioConfig& config, AudioInputFlagBitfield flags,
+                                 AudioSource source, openInputStream_cb _hidl_cb);
+#ifdef AUDIO_HAL_VERSION_2_0
     Return<void> openOutputStream(int32_t ioHandle, const DeviceAddress& device,
-                                  const AudioConfig& config, AudioOutputFlag flags,
+                                  const AudioConfig& config, AudioOutputFlagBitfield flags,
+                                  openOutputStream_cb _hidl_cb) override;
+#elif defined(AUDIO_HAL_VERSION_4_0)
+    Return<void> openOutputStream(int32_t ioHandle, const DeviceAddress& device,
+                                  const AudioConfig& config, AudioOutputFlagBitfield flags,
+                                  const SourceMetadata& sourceMetadata,
                                   openOutputStream_cb _hidl_cb) override;
     Return<void> openInputStream(int32_t ioHandle, const DeviceAddress& device,
-                                 const AudioConfig& config, AudioInputFlag flags,
-                                 AudioSource source, openInputStream_cb _hidl_cb) override;
+                                 const AudioConfig& config, AudioInputFlagBitfield flags,
+                                 const SinkMetadata& sinkMetadata,
+                                 openInputStream_cb _hidl_cb) override;
+#endif
+
     Return<bool> supportsAudioPatches() override;
     Return<void> createAudioPatch(const hidl_vec<AudioPortConfig>& sources,
                                   const hidl_vec<AudioPortConfig>& sinks,
@@ -77,12 +101,27 @@
     Return<Result> releaseAudioPatch(int32_t patch) override;
     Return<void> getAudioPort(const AudioPort& port, getAudioPort_cb _hidl_cb) override;
     Return<Result> setAudioPortConfig(const AudioPortConfig& config) override;
-    Return<AudioHwSync> getHwAvSync() override;
+
     Return<Result> setScreenState(bool turnedOn) override;
+
+#ifdef AUDIO_HAL_VERSION_2_0
+    Return<AudioHwSync> getHwAvSync() override;
     Return<void> getParameters(const hidl_vec<hidl_string>& keys,
                                getParameters_cb _hidl_cb) override;
     Return<Result> setParameters(const hidl_vec<ParameterValue>& parameters) override;
     Return<void> debugDump(const hidl_handle& fd) override;
+#elif defined(AUDIO_HAL_VERSION_4_0)
+    Return<void> getHwAvSync(getHwAvSync_cb _hidl_cb) override;
+    Return<void> getParameters(const hidl_vec<ParameterValue>& context,
+                               const hidl_vec<hidl_string>& keys,
+                               getParameters_cb _hidl_cb) override;
+    Return<Result> setParameters(const hidl_vec<ParameterValue>& context,
+                                 const hidl_vec<ParameterValue>& parameters) override;
+    Return<void> getMicrophones(getMicrophones_cb _hidl_cb) override;
+    Return<Result> setConnectedState(const DeviceAddress& address, bool connected) override;
+#endif
+
+    Return<void> debug(const hidl_handle& fd, const hidl_vec<hidl_string>& options) override;
 
     // Utility methods for extending interfaces.
     Result analyzeStatus(const char* funcName, int status);
diff --git a/audio/core/all-versions/default/include/core/all-versions/default/Device.impl.h b/audio/core/all-versions/default/include/core/all-versions/default/Device.impl.h
index b295082..fb4b686 100644
--- a/audio/core/all-versions/default/include/core/all-versions/default/Device.impl.h
+++ b/audio/core/all-versions/default/include/core/all-versions/default/Device.impl.h
@@ -147,7 +147,10 @@
 }
 
 Return<void> Device::openOutputStream(int32_t ioHandle, const DeviceAddress& device,
-                                      const AudioConfig& config, AudioOutputFlag flags,
+                                      const AudioConfig& config, AudioOutputFlagBitfield flags,
+#ifdef AUDIO_HAL_VERSION_4_0
+                                      const SourceMetadata& /* sourceMetadata */,
+#endif
                                       openOutputStream_cb _hidl_cb) {
     audio_config_t halConfig;
     HidlUtils::audioConfigToHal(config, &halConfig);
@@ -174,7 +177,7 @@
 }
 
 Return<void> Device::openInputStream(int32_t ioHandle, const DeviceAddress& device,
-                                     const AudioConfig& config, AudioInputFlag flags,
+                                     const AudioConfig& config, AudioInputFlagBitfield flags,
                                      AudioSource source, openInputStream_cb _hidl_cb) {
     audio_config_t halConfig;
     HidlUtils::audioConfigToHal(config, &halConfig);
@@ -201,6 +204,24 @@
     return Void();
 }
 
+#ifdef AUDIO_HAL_VERSION_4_0
+Return<void> Device::openInputStream(int32_t ioHandle, const DeviceAddress& device,
+                                     const AudioConfig& config, AudioInputFlagBitfield flags,
+                                     const SinkMetadata& sinkMetadata,
+                                     openInputStream_cb _hidl_cb) {
+    if (sinkMetadata.tracks.size() == 0) {
+        // This should never happen, the framework must not create as stream
+        // if there is no client
+        ALOGE("openInputStream called without tracks connected");
+        _hidl_cb(Result::INVALID_ARGUMENTS, nullptr, AudioConfig());
+        return Void();
+    }
+    // Pick the first one as the main until the legacy API is update
+    AudioSource source = sinkMetadata.tracks[0].source;
+    return openInputStream(ioHandle, device, config, flags, source, _hidl_cb);
+}
+#endif
+
 Return<bool> Device::supportsAudioPatches() {
     return version() >= AUDIO_DEVICE_API_VERSION_3_0;
 }
@@ -256,32 +277,72 @@
     return Result::NOT_SUPPORTED;
 }
 
+#ifdef AUDIO_HAL_VERSION_2_0
 Return<AudioHwSync> Device::getHwAvSync() {
     int halHwAvSync;
     Result retval = getParam(AudioParameter::keyHwAvSync, &halHwAvSync);
     return retval == Result::OK ? halHwAvSync : AUDIO_HW_SYNC_INVALID;
 }
+#elif defined(AUDIO_HAL_VERSION_4_0)
+Return<void> Device::getHwAvSync(getHwAvSync_cb _hidl_cb) {
+    int halHwAvSync;
+    Result retval = getParam(AudioParameter::keyHwAvSync, &halHwAvSync);
+    _hidl_cb(retval, halHwAvSync);
+    return Void();
+}
+#endif
 
 Return<Result> Device::setScreenState(bool turnedOn) {
     return setParam(AudioParameter::keyScreenState, turnedOn);
 }
 
+#ifdef AUDIO_HAL_VERSION_2_0
 Return<void> Device::getParameters(const hidl_vec<hidl_string>& keys, getParameters_cb _hidl_cb) {
-    getParametersImpl(keys, _hidl_cb);
+    getParametersImpl({}, keys, _hidl_cb);
     return Void();
 }
 
 Return<Result> Device::setParameters(const hidl_vec<ParameterValue>& parameters) {
-    return setParametersImpl(parameters);
+    return setParametersImpl({} /* context */, parameters);
 }
+#elif defined(AUDIO_HAL_VERSION_4_0)
+Return<void> Device::getParameters(const hidl_vec<ParameterValue>& context,
+                                   const hidl_vec<hidl_string>& keys, getParameters_cb _hidl_cb) {
+    getParametersImpl(context, keys, _hidl_cb);
+    return Void();
+}
+Return<Result> Device::setParameters(const hidl_vec<ParameterValue>& context,
+                                     const hidl_vec<ParameterValue>& parameters) {
+    return setParametersImpl(context, parameters);
+}
+#endif
 
+#ifdef AUDIO_HAL_VERSION_2_0
 Return<void> Device::debugDump(const hidl_handle& fd) {
+    return debug(fd, {});
+}
+#endif
+
+Return<void> Device::debug(const hidl_handle& fd, const hidl_vec<hidl_string>& /* options */) {
     if (fd.getNativeHandle() != nullptr && fd->numFds == 1) {
         analyzeStatus("dump", mDevice->dump(mDevice, fd->data[0]));
     }
     return Void();
 }
 
+#ifdef AUDIO_HAL_VERSION_4_0
+Return<void> Device::getMicrophones(getMicrophones_cb _hidl_cb) {
+    // TODO return device microphones
+    _hidl_cb(Result::NOT_SUPPORTED, {});
+    return Void();
+}
+
+Return<Result> Device::setConnectedState(const DeviceAddress& address, bool connected) {
+    auto key = connected ? AudioParameter::keyStreamConnect : AudioParameter::keyStreamDisconnect;
+    return setParam(key, address);
+}
+#endif
+
 }  // namespace implementation
 }  // namespace AUDIO_HAL_VERSION
 }  // namespace audio
diff --git a/audio/core/all-versions/default/include/core/all-versions/default/DevicesFactory.h b/audio/core/all-versions/default/include/core/all-versions/default/DevicesFactory.h
index 769adaa..1509ad1 100644
--- a/audio/core/all-versions/default/include/core/all-versions/default/DevicesFactory.h
+++ b/audio/core/all-versions/default/include/core/all-versions/default/DevicesFactory.h
@@ -37,11 +37,19 @@
 using ::android::sp;
 
 struct DevicesFactory : public IDevicesFactory {
-    // Methods from ::android::hardware::audio::AUDIO_HAL_VERSION::IDevicesFactory follow.
+#ifdef AUDIO_HAL_VERSION_2_0
     Return<void> openDevice(IDevicesFactory::Device device, openDevice_cb _hidl_cb) override;
+#endif
+#ifdef AUDIO_HAL_VERSION_4_0
+    Return<void> openDevice(const hidl_string& device, openDevice_cb _hidl_cb) override;
+    Return<void> openPrimaryDevice(openPrimaryDevice_cb _hidl_cb) override;
+#endif
 
    private:
-    static const char* deviceToString(IDevicesFactory::Device device);
+    template <class DeviceShim, class Callback>
+    Return<void> openDevice(const char* moduleName, Callback _hidl_cb);
+    Return<void> openDevice(const char* moduleName, openDevice_cb _hidl_cb);
+
     static int loadAudioInterface(const char* if_name, audio_hw_device_t** dev);
 };
 
diff --git a/audio/core/all-versions/default/include/core/all-versions/default/DevicesFactory.impl.h b/audio/core/all-versions/default/include/core/all-versions/default/DevicesFactory.impl.h
index 014b4d8..43e5d6e 100644
--- a/audio/core/all-versions/default/include/core/all-versions/default/DevicesFactory.impl.h
+++ b/audio/core/all-versions/default/include/core/all-versions/default/DevicesFactory.impl.h
@@ -26,21 +26,54 @@
 namespace AUDIO_HAL_VERSION {
 namespace implementation {
 
-// static
-const char* DevicesFactory::deviceToString(IDevicesFactory::Device device) {
+#ifdef AUDIO_HAL_VERSION_2_0
+Return<void> DevicesFactory::openDevice(IDevicesFactory::Device device, openDevice_cb _hidl_cb) {
     switch (device) {
         case IDevicesFactory::Device::PRIMARY:
-            return AUDIO_HARDWARE_MODULE_ID_PRIMARY;
+            return openDevice<PrimaryDevice>(AUDIO_HARDWARE_MODULE_ID_PRIMARY, _hidl_cb);
         case IDevicesFactory::Device::A2DP:
-            return AUDIO_HARDWARE_MODULE_ID_A2DP;
+            return openDevice(AUDIO_HARDWARE_MODULE_ID_A2DP, _hidl_cb);
         case IDevicesFactory::Device::USB:
-            return AUDIO_HARDWARE_MODULE_ID_USB;
+            return openDevice(AUDIO_HARDWARE_MODULE_ID_USB, _hidl_cb);
         case IDevicesFactory::Device::R_SUBMIX:
-            return AUDIO_HARDWARE_MODULE_ID_REMOTE_SUBMIX;
+            return openDevice(AUDIO_HARDWARE_MODULE_ID_REMOTE_SUBMIX, _hidl_cb);
         case IDevicesFactory::Device::STUB:
-            return AUDIO_HARDWARE_MODULE_ID_STUB;
+            return openDevice(AUDIO_HARDWARE_MODULE_ID_STUB, _hidl_cb);
     }
-    return nullptr;
+    _hidl_cb(Result::INVALID_ARGUMENTS, nullptr);
+    return Void();
+}
+#endif
+#ifdef AUDIO_HAL_VERSION_4_0
+Return<void> DevicesFactory::openDevice(const hidl_string& moduleName, openDevice_cb _hidl_cb) {
+    if (moduleName == AUDIO_HARDWARE_MODULE_ID_PRIMARY) {
+        return openDevice<PrimaryDevice>(moduleName.c_str(), _hidl_cb);
+    }
+    return openDevice(moduleName.c_str(), _hidl_cb);
+}
+Return<void> DevicesFactory::openPrimaryDevice(openPrimaryDevice_cb _hidl_cb) {
+    return openDevice<PrimaryDevice>(AUDIO_HARDWARE_MODULE_ID_PRIMARY, _hidl_cb);
+}
+#endif
+
+Return<void> DevicesFactory::openDevice(const char* moduleName, openDevice_cb _hidl_cb) {
+    return openDevice<implementation::Device>(moduleName, _hidl_cb);
+}
+
+template <class DeviceShim, class Callback>
+Return<void> DevicesFactory::openDevice(const char* moduleName, Callback _hidl_cb) {
+    audio_hw_device_t* halDevice;
+    Result retval(Result::INVALID_ARGUMENTS);
+    sp<DeviceShim> result;
+    int halStatus = loadAudioInterface(moduleName, &halDevice);
+    if (halStatus == OK) {
+        result = new DeviceShim(halDevice);
+        retval = Result::OK;
+    } else if (halStatus == -EINVAL) {
+        retval = Result::NOT_INITIALIZED;
+    }
+    _hidl_cb(retval, result);
+    return Void();
 }
 
 // static
@@ -73,30 +106,6 @@
     return rc;
 }
 
-// Methods from ::android::hardware::audio::AUDIO_HAL_VERSION::IDevicesFactory follow.
-Return<void> DevicesFactory::openDevice(IDevicesFactory::Device device, openDevice_cb _hidl_cb) {
-    audio_hw_device_t* halDevice;
-    Result retval(Result::INVALID_ARGUMENTS);
-    sp<IDevice> result;
-    const char* moduleName = deviceToString(device);
-    if (moduleName != nullptr) {
-        int halStatus = loadAudioInterface(moduleName, &halDevice);
-        if (halStatus == OK) {
-            if (device == IDevicesFactory::Device::PRIMARY) {
-                result = new PrimaryDevice(halDevice);
-            } else {
-                result = new ::android::hardware::audio::AUDIO_HAL_VERSION::implementation::Device(
-                    halDevice);
-            }
-            retval = Result::OK;
-        } else if (halStatus == -EINVAL) {
-            retval = Result::NOT_INITIALIZED;
-        }
-    }
-    _hidl_cb(retval, result);
-    return Void();
-}
-
 IDevicesFactory* HIDL_FETCH_IDevicesFactory(const char* /* name */) {
     return new DevicesFactory();
 }
diff --git a/audio/core/all-versions/default/include/core/all-versions/default/ParametersUtil.h b/audio/core/all-versions/default/include/core/all-versions/default/ParametersUtil.h
index df5adee..a27ac25 100644
--- a/audio/core/all-versions/default/include/core/all-versions/default/ParametersUtil.h
+++ b/audio/core/all-versions/default/include/core/all-versions/default/ParametersUtil.h
@@ -28,6 +28,7 @@
 namespace AUDIO_HAL_VERSION {
 namespace implementation {
 
+using ::android::hardware::audio::AUDIO_HAL_VERSION::DeviceAddress;
 using ::android::hardware::audio::AUDIO_HAL_VERSION::ParameterValue;
 using ::android::hardware::audio::AUDIO_HAL_VERSION::Result;
 using ::android::hardware::hidl_string;
@@ -37,16 +38,18 @@
    public:
     Result getParam(const char* name, bool* value);
     Result getParam(const char* name, int* value);
-    Result getParam(const char* name, String8* value);
+    Result getParam(const char* name, String8* value, AudioParameter context = {});
     void getParametersImpl(
-        const hidl_vec<hidl_string>& keys,
+        const hidl_vec<ParameterValue>& context, const hidl_vec<hidl_string>& keys,
         std::function<void(Result retval, const hidl_vec<ParameterValue>& parameters)> cb);
     std::unique_ptr<AudioParameter> getParams(const AudioParameter& keys);
     Result setParam(const char* name, bool value);
     Result setParam(const char* name, int value);
-    Result setParam(const char* name, const char* value);
-    Result setParametersImpl(const hidl_vec<ParameterValue>& parameters);
+    Result setParam(const char* name, float value);
+    Result setParametersImpl(const hidl_vec<ParameterValue>& context,
+                             const hidl_vec<ParameterValue>& parameters);
     Result setParams(const AudioParameter& param);
+    Result setParam(const char* name, const DeviceAddress& address);
 
    protected:
     virtual ~ParametersUtil() {}
diff --git a/audio/core/all-versions/default/include/core/all-versions/default/ParametersUtil.impl.h b/audio/core/all-versions/default/include/core/all-versions/default/ParametersUtil.impl.h
index a858a48..3907284 100644
--- a/audio/core/all-versions/default/include/core/all-versions/default/ParametersUtil.impl.h
+++ b/audio/core/all-versions/default/include/core/all-versions/default/ParametersUtil.impl.h
@@ -15,6 +15,8 @@
  */
 
 #include <common/all-versions/IncludeGuard.h>
+#include <core/all-versions/default/Conversions.h>
+#include <system/audio.h>
 
 namespace android {
 namespace hardware {
@@ -62,18 +64,20 @@
     return getHalStatusToResult(params->getInt(halName, *value));
 }
 
-Result ParametersUtil::getParam(const char* name, String8* value) {
+Result ParametersUtil::getParam(const char* name, String8* value, AudioParameter context) {
     const String8 halName(name);
-    AudioParameter keys;
-    keys.addKey(halName);
-    std::unique_ptr<AudioParameter> params = getParams(keys);
+    context.addKey(halName);
+    std::unique_ptr<AudioParameter> params = getParams(context);
     return getHalStatusToResult(params->get(halName, *value));
 }
 
 void ParametersUtil::getParametersImpl(
-    const hidl_vec<hidl_string>& keys,
+    const hidl_vec<ParameterValue>& context, const hidl_vec<hidl_string>& keys,
     std::function<void(Result retval, const hidl_vec<ParameterValue>& parameters)> cb) {
     AudioParameter halKeys;
+    for (auto& pair : context) {
+        halKeys.add(String8(pair.key.c_str()), String8(pair.value.c_str()));
+    }
     for (size_t i = 0; i < keys.size(); ++i) {
         halKeys.addKey(String8(keys[i].c_str()));
     }
@@ -120,19 +124,28 @@
     return setParams(param);
 }
 
-Result ParametersUtil::setParam(const char* name, const char* value) {
+Result ParametersUtil::setParam(const char* name, float value) {
     AudioParameter param;
-    param.add(String8(name), String8(value));
+    param.addFloat(String8(name), value);
     return setParams(param);
 }
 
-Result ParametersUtil::setParametersImpl(const hidl_vec<ParameterValue>& parameters) {
+Result ParametersUtil::setParametersImpl(const hidl_vec<ParameterValue>& context,
+                                         const hidl_vec<ParameterValue>& parameters) {
     AudioParameter params;
+    for (auto& pair : context) {
+        params.add(String8(pair.key.c_str()), String8(pair.value.c_str()));
+    }
     for (size_t i = 0; i < parameters.size(); ++i) {
         params.add(String8(parameters[i].key.c_str()), String8(parameters[i].value.c_str()));
     }
     return setParams(params);
 }
+Result ParametersUtil::setParam(const char* name, const DeviceAddress& address) {
+    AudioParameter params(String8(deviceAddressToHal(address).c_str()));
+    params.addInt(String8(name), int(address.device));
+    return setParams(params);
+}
 
 Result ParametersUtil::setParams(const AudioParameter& param) {
     int halStatus = halSetParameters(param.toString().string());
diff --git a/audio/core/all-versions/default/include/core/all-versions/default/PrimaryDevice.h b/audio/core/all-versions/default/include/core/all-versions/default/PrimaryDevice.h
index 240b221..42996d7 100644
--- a/audio/core/all-versions/default/include/core/all-versions/default/PrimaryDevice.h
+++ b/audio/core/all-versions/default/include/core/all-versions/default/PrimaryDevice.h
@@ -59,12 +59,24 @@
     Return<void> getMasterMute(getMasterMute_cb _hidl_cb) override;
     Return<void> getInputBufferSize(const AudioConfig& config,
                                     getInputBufferSize_cb _hidl_cb) override;
+
     Return<void> openOutputStream(int32_t ioHandle, const DeviceAddress& device,
-                                  const AudioConfig& config, AudioOutputFlag flags,
+                                  const AudioConfig& config, AudioOutputFlagBitfield flags,
+#ifdef AUDIO_HAL_VERSION_4_0
+                                  const SourceMetadata& sourceMetadata,
+#endif
                                   openOutputStream_cb _hidl_cb) override;
+
     Return<void> openInputStream(int32_t ioHandle, const DeviceAddress& device,
-                                 const AudioConfig& config, AudioInputFlag flags,
-                                 AudioSource source, openInputStream_cb _hidl_cb) override;
+                                 const AudioConfig& config, AudioInputFlagBitfield flags,
+                                 AudioSource source, openInputStream_cb _hidl_cb);
+#ifdef AUDIO_HAL_VERSION_4_0
+    Return<void> openInputStream(int32_t ioHandle, const DeviceAddress& device,
+                                 const AudioConfig& config, AudioInputFlagBitfield flags,
+                                 const SinkMetadata& sinkMetadata,
+                                 openInputStream_cb _hidl_cb) override;
+#endif
+
     Return<bool> supportsAudioPatches() override;
     Return<void> createAudioPatch(const hidl_vec<AudioPortConfig>& sources,
                                   const hidl_vec<AudioPortConfig>& sinks,
@@ -72,12 +84,27 @@
     Return<Result> releaseAudioPatch(int32_t patch) override;
     Return<void> getAudioPort(const AudioPort& port, getAudioPort_cb _hidl_cb) override;
     Return<Result> setAudioPortConfig(const AudioPortConfig& config) override;
-    Return<AudioHwSync> getHwAvSync() override;
+
     Return<Result> setScreenState(bool turnedOn) override;
+
+#ifdef AUDIO_HAL_VERSION_2_0
+    Return<AudioHwSync> getHwAvSync() override;
     Return<void> getParameters(const hidl_vec<hidl_string>& keys,
                                getParameters_cb _hidl_cb) override;
     Return<Result> setParameters(const hidl_vec<ParameterValue>& parameters) override;
     Return<void> debugDump(const hidl_handle& fd) override;
+#elif defined(AUDIO_HAL_VERSION_4_0)
+    Return<void> getHwAvSync(getHwAvSync_cb _hidl_cb) override;
+    Return<void> getParameters(const hidl_vec<ParameterValue>& context,
+                               const hidl_vec<hidl_string>& keys,
+                               getParameters_cb _hidl_cb) override;
+    Return<Result> setParameters(const hidl_vec<ParameterValue>& context,
+                                 const hidl_vec<ParameterValue>& parameters) override;
+    Return<void> getMicrophones(getMicrophones_cb _hidl_cb) override;
+    Return<Result> setConnectedState(const DeviceAddress& address, bool connected) override;
+#endif
+
+    Return<void> debug(const hidl_handle& fd, const hidl_vec<hidl_string>& options) override;
 
     // Methods from ::android::hardware::audio::AUDIO_HAL_VERSION::IPrimaryDevice follow.
     Return<Result> setVoiceVolume(float volume) override;
@@ -91,6 +118,15 @@
     Return<void> getHacEnabled(getHacEnabled_cb _hidl_cb) override;
     Return<Result> setHacEnabled(bool enabled) override;
 
+#ifdef AUDIO_HAL_VERSION_4_0
+    Return<Result> setBtScoHeadsetDebugName(const hidl_string& name) override;
+    Return<void> getBtHfpEnabled(getBtHfpEnabled_cb _hidl_cb) override;
+    Return<Result> setBtHfpEnabled(bool enabled) override;
+    Return<Result> setBtHfpSampleRate(uint32_t sampleRateHz) override;
+    Return<Result> setBtHfpVolume(float volume) override;
+    Return<Result> updateRotation(IPrimaryDevice::Rotation rotation) override;
+#endif
+
    private:
     sp<Device> mDevice;
 
diff --git a/audio/core/all-versions/default/include/core/all-versions/default/PrimaryDevice.impl.h b/audio/core/all-versions/default/include/core/all-versions/default/PrimaryDevice.impl.h
index 3ce047a..f00cac4 100644
--- a/audio/core/all-versions/default/include/core/all-versions/default/PrimaryDevice.impl.h
+++ b/audio/core/all-versions/default/include/core/all-versions/default/PrimaryDevice.impl.h
@@ -60,17 +60,35 @@
     return mDevice->getInputBufferSize(config, _hidl_cb);
 }
 
+#ifdef AUDIO_HAL_VERSION_2_0
 Return<void> PrimaryDevice::openOutputStream(int32_t ioHandle, const DeviceAddress& device,
-                                             const AudioConfig& config, AudioOutputFlag flags,
+                                             const AudioConfig& config,
+                                             AudioOutputFlagBitfield flags,
                                              openOutputStream_cb _hidl_cb) {
     return mDevice->openOutputStream(ioHandle, device, config, flags, _hidl_cb);
 }
 
 Return<void> PrimaryDevice::openInputStream(int32_t ioHandle, const DeviceAddress& device,
-                                            const AudioConfig& config, AudioInputFlag flags,
+                                            const AudioConfig& config, AudioInputFlagBitfield flags,
                                             AudioSource source, openInputStream_cb _hidl_cb) {
     return mDevice->openInputStream(ioHandle, device, config, flags, source, _hidl_cb);
 }
+#elif defined(AUDIO_HAL_VERSION_4_0)
+Return<void> PrimaryDevice::openOutputStream(int32_t ioHandle, const DeviceAddress& device,
+                                             const AudioConfig& config,
+                                             AudioOutputFlagBitfield flags,
+                                             const SourceMetadata& sourceMetadata,
+                                             openOutputStream_cb _hidl_cb) {
+    return mDevice->openOutputStream(ioHandle, device, config, flags, sourceMetadata, _hidl_cb);
+}
+
+Return<void> PrimaryDevice::openInputStream(int32_t ioHandle, const DeviceAddress& device,
+                                            const AudioConfig& config, AudioInputFlagBitfield flags,
+                                            const SinkMetadata& sinkMetadata,
+                                            openInputStream_cb _hidl_cb) {
+    return mDevice->openInputStream(ioHandle, device, config, flags, sinkMetadata, _hidl_cb);
+}
+#endif
 
 Return<bool> PrimaryDevice::supportsAudioPatches() {
     return mDevice->supportsAudioPatches();
@@ -94,14 +112,15 @@
     return mDevice->setAudioPortConfig(config);
 }
 
-Return<AudioHwSync> PrimaryDevice::getHwAvSync() {
-    return mDevice->getHwAvSync();
-}
-
 Return<Result> PrimaryDevice::setScreenState(bool turnedOn) {
     return mDevice->setScreenState(turnedOn);
 }
 
+#ifdef AUDIO_HAL_VERSION_2_0
+Return<AudioHwSync> PrimaryDevice::getHwAvSync() {
+    return mDevice->getHwAvSync();
+}
+
 Return<void> PrimaryDevice::getParameters(const hidl_vec<hidl_string>& keys,
                                           getParameters_cb _hidl_cb) {
     return mDevice->getParameters(keys, _hidl_cb);
@@ -114,6 +133,26 @@
 Return<void> PrimaryDevice::debugDump(const hidl_handle& fd) {
     return mDevice->debugDump(fd);
 }
+#elif defined(AUDIO_HAL_VERSION_4_0)
+Return<void> PrimaryDevice::getHwAvSync(getHwAvSync_cb _hidl_cb) {
+    return mDevice->getHwAvSync(_hidl_cb);
+}
+Return<void> PrimaryDevice::getParameters(const hidl_vec<ParameterValue>& context,
+                                          const hidl_vec<hidl_string>& keys,
+                                          getParameters_cb _hidl_cb) {
+    return mDevice->getParameters(context, keys, _hidl_cb);
+}
+Return<Result> PrimaryDevice::setParameters(const hidl_vec<ParameterValue>& context,
+                                            const hidl_vec<ParameterValue>& parameters) {
+    return mDevice->setParameters(context, parameters);
+}
+Return<void> PrimaryDevice::getMicrophones(getMicrophones_cb _hidl_cb) {
+    return mDevice->getMicrophones(_hidl_cb);
+}
+Return<Result> PrimaryDevice::setConnectedState(const DeviceAddress& address, bool connected) {
+    return mDevice->setConnectedState(address, connected);
+}
+#endif
 
 // Methods from ::android::hardware::audio::AUDIO_HAL_VERSION::IPrimaryDevice follow.
 Return<Result> PrimaryDevice::setVoiceVolume(float volume) {
@@ -188,6 +227,35 @@
     return mDevice->setParam(AUDIO_PARAMETER_KEY_HAC, enabled);
 }
 
+#ifdef AUDIO_HAL_VERSION_4_0
+Return<Result> PrimaryDevice::setBtScoHeadsetDebugName(const hidl_string& name) {
+    return mDevice->setParam(AUDIO_PARAMETER_KEY_BT_SCO_HEADSET_NAME, name.c_str());
+}
+Return<void> PrimaryDevice::getBtHfpEnabled(getBtHfpEnabled_cb _hidl_cb) {
+    bool enabled;
+    Result retval = mDevice->getParam(AUDIO_PARAMETER_KEY_HFP_ENABLE, &enabled);
+    _hidl_cb(retval, enabled);
+    return Void();
+}
+Return<Result> PrimaryDevice::setBtHfpEnabled(bool enabled) {
+    return mDevice->setParam(AUDIO_PARAMETER_KEY_HFP_ENABLE, enabled);
+}
+Return<Result> PrimaryDevice::setBtHfpSampleRate(uint32_t sampleRateHz) {
+    return mDevice->setParam(AUDIO_PARAMETER_KEY_HFP_SET_SAMPLING_RATE, int(sampleRateHz));
+}
+Return<Result> PrimaryDevice::setBtHfpVolume(float volume) {
+    return mDevice->setParam(AUDIO_PARAMETER_KEY_HFP_VOLUME, volume);
+}
+Return<Result> PrimaryDevice::updateRotation(IPrimaryDevice::Rotation rotation) {
+    // legacy API expects the rotation in degree
+    return mDevice->setParam(AUDIO_PARAMETER_KEY_ROTATION, int(rotation) * 90);
+}
+#endif
+
+Return<void> PrimaryDevice::debug(const hidl_handle& fd, const hidl_vec<hidl_string>& options) {
+    return mDevice->debug(fd, options);
+}
+
 }  // namespace implementation
 }  // namespace AUDIO_HAL_VERSION
 }  // namespace audio
diff --git a/audio/core/all-versions/default/include/core/all-versions/default/Stream.h b/audio/core/all-versions/default/include/core/all-versions/default/Stream.h
index 4196dec..6f79429 100644
--- a/audio/core/all-versions/default/include/core/all-versions/default/Stream.h
+++ b/audio/core/all-versions/default/include/core/all-versions/default/Stream.h
@@ -23,6 +23,8 @@
 
 #include <hidl/MQDescriptor.h>
 
+#include <VersionUtils.h>
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -32,6 +34,7 @@
 using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioChannelMask;
 using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioDevice;
 using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioFormat;
+using ::android::hardware::audio::common::AUDIO_HAL_VERSION::implementation::AudioChannelBitfield;
 using ::android::hardware::audio::AUDIO_HAL_VERSION::DeviceAddress;
 using ::android::hardware::audio::AUDIO_HAL_VERSION::IStream;
 using ::android::hardware::audio::AUDIO_HAL_VERSION::ParameterValue;
@@ -57,11 +60,15 @@
     Return<uint64_t> getFrameCount() override;
     Return<uint64_t> getBufferSize() override;
     Return<uint32_t> getSampleRate() override;
+#ifdef AUDIO_HAL_VERSION_2_0
     Return<void> getSupportedSampleRates(getSupportedSampleRates_cb _hidl_cb) override;
-    Return<Result> setSampleRate(uint32_t sampleRateHz) override;
-    Return<AudioChannelMask> getChannelMask() override;
     Return<void> getSupportedChannelMasks(getSupportedChannelMasks_cb _hidl_cb) override;
-    Return<Result> setChannelMask(AudioChannelMask mask) override;
+#endif
+    Return<void> getSupportedSampleRates(AudioFormat format, getSupportedSampleRates_cb _hidl_cb);
+    Return<void> getSupportedChannelMasks(AudioFormat format, getSupportedChannelMasks_cb _hidl_cb);
+    Return<Result> setSampleRate(uint32_t sampleRateHz) override;
+    Return<AudioChannelBitfield> getChannelMask() override;
+    Return<Result> setChannelMask(AudioChannelBitfield mask) override;
     Return<AudioFormat> getFormat() override;
     Return<void> getSupportedFormats(getSupportedFormats_cb _hidl_cb) override;
     Return<Result> setFormat(AudioFormat format) override;
@@ -69,20 +76,34 @@
     Return<Result> addEffect(uint64_t effectId) override;
     Return<Result> removeEffect(uint64_t effectId) override;
     Return<Result> standby() override;
+#ifdef AUDIO_HAL_VERSION_2_0
     Return<AudioDevice> getDevice() override;
     Return<Result> setDevice(const DeviceAddress& address) override;
-    Return<Result> setConnectedState(const DeviceAddress& address, bool connected) override;
-    Return<Result> setHwAvSync(uint32_t hwAvSync) override;
     Return<void> getParameters(const hidl_vec<hidl_string>& keys,
                                getParameters_cb _hidl_cb) override;
     Return<Result> setParameters(const hidl_vec<ParameterValue>& parameters) override;
-    Return<void> debugDump(const hidl_handle& fd) override;
+    Return<Result> setConnectedState(const DeviceAddress& address, bool connected) override;
+#elif defined(AUDIO_HAL_VERSION_4_0)
+    Return<void> getDevices(getDevices_cb _hidl_cb) override;
+    Return<Result> setDevices(const hidl_vec<DeviceAddress>& devices) override;
+    Return<void> getParameters(const hidl_vec<ParameterValue>& context,
+                               const hidl_vec<hidl_string>& keys,
+                               getParameters_cb _hidl_cb) override;
+    Return<Result> setParameters(const hidl_vec<ParameterValue>& context,
+                                 const hidl_vec<ParameterValue>& parameters) override;
+#endif
+    Return<Result> setHwAvSync(uint32_t hwAvSync) override;
     Return<Result> start() override;
     Return<Result> stop() override;
     Return<void> createMmapBuffer(int32_t minSizeFrames, createMmapBuffer_cb _hidl_cb) override;
     Return<void> getMmapPosition(getMmapPosition_cb _hidl_cb) override;
     Return<Result> close() override;
 
+    Return<void> debug(const hidl_handle& fd, const hidl_vec<hidl_string>& options) override;
+#ifdef AUDIO_HAL_VERSION_2_0
+    Return<void> debugDump(const hidl_handle& fd) override;
+#endif
+
     // Utility methods for extending interfaces.
     static Result analyzeStatus(const char* funcName, int status);
     static Result analyzeStatus(const char* funcName, int status,
diff --git a/audio/core/all-versions/default/include/core/all-versions/default/Stream.impl.h b/audio/core/all-versions/default/include/core/all-versions/default/Stream.impl.h
index 92cff72..fa0ef45 100644
--- a/audio/core/all-versions/default/include/core/all-versions/default/Stream.impl.h
+++ b/audio/core/all-versions/default/include/core/all-versions/default/Stream.impl.h
@@ -100,9 +100,22 @@
     return mStream->get_sample_rate(mStream);
 }
 
+#ifdef AUDIO_HAL_VERSION_2_0
 Return<void> Stream::getSupportedSampleRates(getSupportedSampleRates_cb _hidl_cb) {
+    return getSupportedSampleRates(getFormat(), _hidl_cb);
+}
+Return<void> Stream::getSupportedChannelMasks(getSupportedChannelMasks_cb _hidl_cb) {
+    return getSupportedChannelMasks(getFormat(), _hidl_cb);
+}
+#endif
+
+Return<void> Stream::getSupportedSampleRates(AudioFormat format,
+                                             getSupportedSampleRates_cb _hidl_cb) {
+    AudioParameter context;
+    context.addInt(String8(AUDIO_PARAMETER_STREAM_FORMAT), int(format));
     String8 halListValue;
-    Result result = getParam(AudioParameter::keyStreamSupportedSamplingRates, &halListValue);
+    Result result =
+        getParam(AudioParameter::keyStreamSupportedSamplingRates, &halListValue, context);
     hidl_vec<uint32_t> sampleRates;
     SortedVector<uint32_t> halSampleRates;
     if (result == Result::OK) {
@@ -110,7 +123,36 @@
             samplingRatesFromString(halListValue.string(), AudioParameter::valueListSeparator);
         sampleRates.setToExternal(halSampleRates.editArray(), halSampleRates.size());
     }
+#ifdef AUDIO_HAL_VERSION_2_0
     _hidl_cb(sampleRates);
+#endif
+#ifdef AUDIO_HAL_VERSION_4_0
+    _hidl_cb(result, sampleRates);
+#endif
+    return Void();
+}
+
+Return<void> Stream::getSupportedChannelMasks(AudioFormat format,
+                                              getSupportedChannelMasks_cb _hidl_cb) {
+    AudioParameter context;
+    context.addInt(String8(AUDIO_PARAMETER_STREAM_FORMAT), int(format));
+    String8 halListValue;
+    Result result = getParam(AudioParameter::keyStreamSupportedChannels, &halListValue, context);
+    hidl_vec<AudioChannelBitfield> channelMasks;
+    SortedVector<audio_channel_mask_t> halChannelMasks;
+    if (result == Result::OK) {
+        halChannelMasks =
+            channelMasksFromString(halListValue.string(), AudioParameter::valueListSeparator);
+        channelMasks.resize(halChannelMasks.size());
+        for (size_t i = 0; i < halChannelMasks.size(); ++i) {
+            channelMasks[i] = AudioChannelBitfield(halChannelMasks[i]);
+        }
+    }
+#ifdef AUDIO_HAL_VERSION_2_0
+    _hidl_cb(channelMasks);
+#elif defined(AUDIO_HAL_VERSION_4_0)
+    _hidl_cb(result, channelMasks);
+#endif
     return Void();
 }
 
@@ -118,28 +160,11 @@
     return setParam(AudioParameter::keySamplingRate, static_cast<int>(sampleRateHz));
 }
 
-Return<AudioChannelMask> Stream::getChannelMask() {
-    return AudioChannelMask(mStream->get_channels(mStream));
+Return<AudioChannelBitfield> Stream::getChannelMask() {
+    return AudioChannelBitfield(mStream->get_channels(mStream));
 }
 
-Return<void> Stream::getSupportedChannelMasks(getSupportedChannelMasks_cb _hidl_cb) {
-    String8 halListValue;
-    Result result = getParam(AudioParameter::keyStreamSupportedChannels, &halListValue);
-    hidl_vec<AudioChannelMask> channelMasks;
-    SortedVector<audio_channel_mask_t> halChannelMasks;
-    if (result == Result::OK) {
-        halChannelMasks =
-            channelMasksFromString(halListValue.string(), AudioParameter::valueListSeparator);
-        channelMasks.resize(halChannelMasks.size());
-        for (size_t i = 0; i < halChannelMasks.size(); ++i) {
-            channelMasks[i] = AudioChannelMask(halChannelMasks[i]);
-        }
-    }
-    _hidl_cb(channelMasks);
-    return Void();
-}
-
-Return<Result> Stream::setChannelMask(AudioChannelMask mask) {
+Return<Result> Stream::setChannelMask(AudioChannelBitfield mask) {
     return setParam(AudioParameter::keyChannels, static_cast<int>(mask));
 }
 
@@ -171,7 +196,7 @@
     uint32_t halSampleRate = mStream->get_sample_rate(mStream);
     audio_channel_mask_t halMask = mStream->get_channels(mStream);
     audio_format_t halFormat = mStream->get_format(mStream);
-    _hidl_cb(halSampleRate, AudioChannelMask(halMask), AudioFormat(halFormat));
+    _hidl_cb(halSampleRate, AudioChannelBitfield(halMask), AudioFormat(halFormat));
     return Void();
 }
 
@@ -200,48 +225,73 @@
     return analyzeStatus("standby", mStream->standby(mStream));
 }
 
+Return<Result> Stream::setHwAvSync(uint32_t hwAvSync) {
+    return setParam(AudioParameter::keyStreamHwAvSync, static_cast<int>(hwAvSync));
+}
+
+#ifdef AUDIO_HAL_VERSION_2_0
 Return<AudioDevice> Stream::getDevice() {
-    int device;
+    int device = 0;
     Result retval = getParam(AudioParameter::keyRouting, &device);
     return retval == Result::OK ? static_cast<AudioDevice>(device) : AudioDevice::NONE;
 }
 
 Return<Result> Stream::setDevice(const DeviceAddress& address) {
-    char* halDeviceAddress = audio_device_address_to_parameter(
-        static_cast<audio_devices_t>(address.device), deviceAddressToHal(address).c_str());
-    AudioParameter params((String8(halDeviceAddress)));
-    free(halDeviceAddress);
-    params.addInt(String8(AudioParameter::keyRouting),
-                  static_cast<audio_devices_t>(address.device));
-    return setParams(params);
+    return setParam(AudioParameter::keyRouting, address);
+}
+
+Return<void> Stream::getParameters(const hidl_vec<hidl_string>& keys, getParameters_cb _hidl_cb) {
+    getParametersImpl({} /* context */, keys, _hidl_cb);
+    return Void();
+}
+
+Return<Result> Stream::setParameters(const hidl_vec<ParameterValue>& parameters) {
+    return setParametersImpl({} /* context */, parameters);
 }
 
 Return<Result> Stream::setConnectedState(const DeviceAddress& address, bool connected) {
     return setParam(
         connected ? AudioParameter::keyStreamConnect : AudioParameter::keyStreamDisconnect,
-        deviceAddressToHal(address).c_str());
+        address);
 }
-
-Return<Result> Stream::setHwAvSync(uint32_t hwAvSync) {
-    return setParam(AudioParameter::keyStreamHwAvSync, static_cast<int>(hwAvSync));
-}
-
-Return<void> Stream::getParameters(const hidl_vec<hidl_string>& keys, getParameters_cb _hidl_cb) {
-    getParametersImpl(keys, _hidl_cb);
-    return Void();
-}
-
-Return<Result> Stream::setParameters(const hidl_vec<ParameterValue>& parameters) {
-    return setParametersImpl(parameters);
-}
-
-Return<void> Stream::debugDump(const hidl_handle& fd) {
-    if (fd.getNativeHandle() != nullptr && fd->numFds == 1) {
-        analyzeStatus("dump", mStream->dump(mStream, fd->data[0]));
+#elif defined(AUDIO_HAL_VERSION_4_0)
+Return<void> Stream::getDevices(getDevices_cb _hidl_cb) {
+    int device = 0;
+    Result retval = getParam(AudioParameter::keyRouting, &device);
+    hidl_vec<DeviceAddress> devices;
+    if (retval == Result::OK) {
+        devices.resize(1);
+        devices[0].device = static_cast<AudioDevice>(device);
     }
+    _hidl_cb(retval, devices);
     return Void();
 }
 
+Return<Result> Stream::setDevices(const hidl_vec<DeviceAddress>& devices) {
+    // FIXME: can the legacy API set multiple device with address ?
+    if (devices.size() > 1) {
+        return Result::NOT_SUPPORTED;
+    }
+    DeviceAddress address;
+    if (devices.size() == 1) {
+        address = devices[0];
+    } else {
+        address.device = AudioDevice::NONE;
+    }
+    return setParam(AudioParameter::keyRouting, address);
+}
+Return<void> Stream::getParameters(const hidl_vec<ParameterValue>& context,
+                                   const hidl_vec<hidl_string>& keys, getParameters_cb _hidl_cb) {
+    getParametersImpl(context, keys, _hidl_cb);
+    return Void();
+}
+
+Return<Result> Stream::setParameters(const hidl_vec<ParameterValue>& context,
+                                     const hidl_vec<ParameterValue>& parameters) {
+    return setParametersImpl(context, parameters);
+}
+#endif
+
 Return<Result> Stream::start() {
     return Result::NOT_SUPPORTED;
 }
@@ -269,6 +319,19 @@
     return Result::NOT_SUPPORTED;
 }
 
+Return<void> Stream::debug(const hidl_handle& fd, const hidl_vec<hidl_string>& /* options */) {
+    if (fd.getNativeHandle() != nullptr && fd->numFds == 1) {
+        analyzeStatus("dump", mStream->dump(mStream, fd->data[0]));
+    }
+    return Void();
+}
+
+#ifdef AUDIO_HAL_VERSION_2_0
+Return<void> Stream::debugDump(const hidl_handle& fd) {
+    return debug(fd, {} /* options */);
+}
+#endif
+
 }  // namespace implementation
 }  // namespace AUDIO_HAL_VERSION
 }  // namespace audio
diff --git a/audio/core/all-versions/default/include/core/all-versions/default/StreamIn.h b/audio/core/all-versions/default/include/core/all-versions/default/StreamIn.h
index 7380dae..f226e63 100644
--- a/audio/core/all-versions/default/include/core/all-versions/default/StreamIn.h
+++ b/audio/core/all-versions/default/include/core/all-versions/default/StreamIn.h
@@ -58,11 +58,15 @@
     Return<uint64_t> getFrameCount() override;
     Return<uint64_t> getBufferSize() override;
     Return<uint32_t> getSampleRate() override;
+#ifdef AUDIO_HAL_VERSION_2_0
     Return<void> getSupportedSampleRates(getSupportedSampleRates_cb _hidl_cb) override;
-    Return<Result> setSampleRate(uint32_t sampleRateHz) override;
-    Return<AudioChannelMask> getChannelMask() override;
     Return<void> getSupportedChannelMasks(getSupportedChannelMasks_cb _hidl_cb) override;
-    Return<Result> setChannelMask(AudioChannelMask mask) override;
+#endif
+    Return<void> getSupportedSampleRates(AudioFormat format, getSupportedSampleRates_cb _hidl_cb);
+    Return<void> getSupportedChannelMasks(AudioFormat format, getSupportedChannelMasks_cb _hidl_cb);
+    Return<Result> setSampleRate(uint32_t sampleRateHz) override;
+    Return<AudioChannelBitfield> getChannelMask() override;
+    Return<Result> setChannelMask(AudioChannelBitfield mask) override;
     Return<AudioFormat> getFormat() override;
     Return<void> getSupportedFormats(getSupportedFormats_cb _hidl_cb) override;
     Return<Result> setFormat(AudioFormat format) override;
@@ -70,16 +74,30 @@
     Return<Result> addEffect(uint64_t effectId) override;
     Return<Result> removeEffect(uint64_t effectId) override;
     Return<Result> standby() override;
+#ifdef AUDIO_HAL_VERSION_2_0
     Return<AudioDevice> getDevice() override;
     Return<Result> setDevice(const DeviceAddress& address) override;
-    Return<Result> setConnectedState(const DeviceAddress& address, bool connected) override;
-    Return<Result> setHwAvSync(uint32_t hwAvSync) override;
     Return<void> getParameters(const hidl_vec<hidl_string>& keys,
                                getParameters_cb _hidl_cb) override;
     Return<Result> setParameters(const hidl_vec<ParameterValue>& parameters) override;
-    Return<void> debugDump(const hidl_handle& fd) override;
+    Return<Result> setConnectedState(const DeviceAddress& address, bool connected) override;
+#elif defined(AUDIO_HAL_VERSION_4_0)
+    Return<void> getDevices(getDevices_cb _hidl_cb) override;
+    Return<Result> setDevices(const hidl_vec<DeviceAddress>& devices) override;
+    Return<void> getParameters(const hidl_vec<ParameterValue>& context,
+                               const hidl_vec<hidl_string>& keys,
+                               getParameters_cb _hidl_cb) override;
+    Return<Result> setParameters(const hidl_vec<ParameterValue>& context,
+                                 const hidl_vec<ParameterValue>& parameters) override;
+#endif
+    Return<Result> setHwAvSync(uint32_t hwAvSync) override;
     Return<Result> close() override;
 
+    Return<void> debug(const hidl_handle& fd, const hidl_vec<hidl_string>& options) override;
+#ifdef AUDIO_HAL_VERSION_2_0
+    Return<void> debugDump(const hidl_handle& fd) override;
+#endif
+
     // Methods from ::android::hardware::audio::AUDIO_HAL_VERSION::IStreamIn follow.
     Return<void> getAudioSource(getAudioSource_cb _hidl_cb) override;
     Return<Result> setGain(float gain) override;
@@ -91,6 +109,10 @@
     Return<Result> stop() override;
     Return<void> createMmapBuffer(int32_t minSizeFrames, createMmapBuffer_cb _hidl_cb) override;
     Return<void> getMmapPosition(getMmapPosition_cb _hidl_cb) override;
+#ifdef AUDIO_HAL_VERSION_4_0
+    Return<void> updateSinkMetadata(const SinkMetadata& sinkMetadata) override;
+    Return<void> getActiveMicrophones(getActiveMicrophones_cb _hidl_cb) override;
+#endif
 
     static Result getCapturePositionImpl(audio_stream_in_t* stream, uint64_t* frames,
                                          uint64_t* time);
diff --git a/audio/core/all-versions/default/include/core/all-versions/default/StreamIn.impl.h b/audio/core/all-versions/default/include/core/all-versions/default/StreamIn.impl.h
index abee225..dcd3df1 100644
--- a/audio/core/all-versions/default/include/core/all-versions/default/StreamIn.impl.h
+++ b/audio/core/all-versions/default/include/core/all-versions/default/StreamIn.impl.h
@@ -179,23 +179,33 @@
     return mStreamCommon->getSampleRate();
 }
 
+#ifdef AUDIO_HAL_VERSION_2_0
+Return<void> StreamIn::getSupportedChannelMasks(getSupportedChannelMasks_cb _hidl_cb) {
+    return mStreamCommon->getSupportedChannelMasks(_hidl_cb);
+}
 Return<void> StreamIn::getSupportedSampleRates(getSupportedSampleRates_cb _hidl_cb) {
     return mStreamCommon->getSupportedSampleRates(_hidl_cb);
 }
+#endif
+
+Return<void> StreamIn::getSupportedChannelMasks(AudioFormat format,
+                                                getSupportedChannelMasks_cb _hidl_cb) {
+    return mStreamCommon->getSupportedChannelMasks(format, _hidl_cb);
+}
+Return<void> StreamIn::getSupportedSampleRates(AudioFormat format,
+                                               getSupportedSampleRates_cb _hidl_cb) {
+    return mStreamCommon->getSupportedSampleRates(format, _hidl_cb);
+}
 
 Return<Result> StreamIn::setSampleRate(uint32_t sampleRateHz) {
     return mStreamCommon->setSampleRate(sampleRateHz);
 }
 
-Return<AudioChannelMask> StreamIn::getChannelMask() {
+Return<AudioChannelBitfield> StreamIn::getChannelMask() {
     return mStreamCommon->getChannelMask();
 }
 
-Return<void> StreamIn::getSupportedChannelMasks(getSupportedChannelMasks_cb _hidl_cb) {
-    return mStreamCommon->getSupportedChannelMasks(_hidl_cb);
-}
-
-Return<Result> StreamIn::setChannelMask(AudioChannelMask mask) {
+Return<Result> StreamIn::setChannelMask(AudioChannelBitfield mask) {
     return mStreamCommon->setChannelMask(mask);
 }
 
@@ -227,6 +237,15 @@
     return mStreamCommon->standby();
 }
 
+Return<Result> StreamIn::setHwAvSync(uint32_t hwAvSync) {
+    return mStreamCommon->setHwAvSync(hwAvSync);
+}
+
+#ifdef AUDIO_HAL_VERSION_2_0
+Return<Result> StreamIn::setConnectedState(const DeviceAddress& address, bool connected) {
+    return mStreamCommon->setConnectedState(address, connected);
+}
+
 Return<AudioDevice> StreamIn::getDevice() {
     return mStreamCommon->getDevice();
 }
@@ -235,14 +254,6 @@
     return mStreamCommon->setDevice(address);
 }
 
-Return<Result> StreamIn::setConnectedState(const DeviceAddress& address, bool connected) {
-    return mStreamCommon->setConnectedState(address, connected);
-}
-
-Return<Result> StreamIn::setHwAvSync(uint32_t hwAvSync) {
-    return mStreamCommon->setHwAvSync(hwAvSync);
-}
-
 Return<void> StreamIn::getParameters(const hidl_vec<hidl_string>& keys, getParameters_cb _hidl_cb) {
     return mStreamCommon->getParameters(keys, _hidl_cb);
 }
@@ -254,6 +265,24 @@
 Return<void> StreamIn::debugDump(const hidl_handle& fd) {
     return mStreamCommon->debugDump(fd);
 }
+#elif defined(AUDIO_HAL_VERSION_4_0)
+Return<void> StreamIn::getDevices(getDevices_cb _hidl_cb) {
+    return mStreamCommon->getDevices(_hidl_cb);
+}
+
+Return<Result> StreamIn::setDevices(const hidl_vec<DeviceAddress>& devices) {
+    return mStreamCommon->setDevices(devices);
+}
+Return<void> StreamIn::getParameters(const hidl_vec<ParameterValue>& context,
+                                     const hidl_vec<hidl_string>& keys, getParameters_cb _hidl_cb) {
+    return mStreamCommon->getParameters(context, keys, _hidl_cb);
+}
+
+Return<Result> StreamIn::setParameters(const hidl_vec<ParameterValue>& context,
+                                       const hidl_vec<ParameterValue>& parameters) {
+    return mStreamCommon->setParameters(context, parameters);
+}
+#endif
 
 Return<Result> StreamIn::start() {
     return mStreamMmap->start();
@@ -415,6 +444,21 @@
     return Void();
 }
 
+Return<void> StreamIn::debug(const hidl_handle& fd, const hidl_vec<hidl_string>& options) {
+    return mStreamCommon->debug(fd, options);
+}
+
+#ifdef AUDIO_HAL_VERSION_4_0
+Return<void> StreamIn::updateSinkMetadata(const SinkMetadata& /*sinkMetadata*/) {
+    return Void();  // TODO: propagate to legacy
+}
+
+Return<void> StreamIn::getActiveMicrophones(getActiveMicrophones_cb _hidl_cb) {
+    _hidl_cb(Result::NOT_SUPPORTED, {});  // TODO: retrieve from legacy
+    return Void();
+}
+#endif
+
 }  // namespace implementation
 }  // namespace AUDIO_HAL_VERSION
 }  // namespace audio
diff --git a/audio/core/all-versions/default/include/core/all-versions/default/StreamOut.h b/audio/core/all-versions/default/include/core/all-versions/default/StreamOut.h
index 4cfe2e3..134d7b9 100644
--- a/audio/core/all-versions/default/include/core/all-versions/default/StreamOut.h
+++ b/audio/core/all-versions/default/include/core/all-versions/default/StreamOut.h
@@ -60,11 +60,15 @@
     Return<uint64_t> getFrameCount() override;
     Return<uint64_t> getBufferSize() override;
     Return<uint32_t> getSampleRate() override;
+#ifdef AUDIO_HAL_VERSION_2_0
     Return<void> getSupportedSampleRates(getSupportedSampleRates_cb _hidl_cb) override;
-    Return<Result> setSampleRate(uint32_t sampleRateHz) override;
-    Return<AudioChannelMask> getChannelMask() override;
     Return<void> getSupportedChannelMasks(getSupportedChannelMasks_cb _hidl_cb) override;
-    Return<Result> setChannelMask(AudioChannelMask mask) override;
+#endif
+    Return<void> getSupportedSampleRates(AudioFormat format, getSupportedSampleRates_cb _hidl_cb);
+    Return<void> getSupportedChannelMasks(AudioFormat format, getSupportedChannelMasks_cb _hidl_cb);
+    Return<Result> setSampleRate(uint32_t sampleRateHz) override;
+    Return<AudioChannelBitfield> getChannelMask() override;
+    Return<Result> setChannelMask(AudioChannelBitfield mask) override;
     Return<AudioFormat> getFormat() override;
     Return<void> getSupportedFormats(getSupportedFormats_cb _hidl_cb) override;
     Return<Result> setFormat(AudioFormat format) override;
@@ -72,16 +76,30 @@
     Return<Result> addEffect(uint64_t effectId) override;
     Return<Result> removeEffect(uint64_t effectId) override;
     Return<Result> standby() override;
+#ifdef AUDIO_HAL_VERSION_2_0
     Return<AudioDevice> getDevice() override;
     Return<Result> setDevice(const DeviceAddress& address) override;
-    Return<Result> setConnectedState(const DeviceAddress& address, bool connected) override;
-    Return<Result> setHwAvSync(uint32_t hwAvSync) override;
     Return<void> getParameters(const hidl_vec<hidl_string>& keys,
                                getParameters_cb _hidl_cb) override;
     Return<Result> setParameters(const hidl_vec<ParameterValue>& parameters) override;
-    Return<void> debugDump(const hidl_handle& fd) override;
+    Return<Result> setConnectedState(const DeviceAddress& address, bool connected) override;
+#elif defined(AUDIO_HAL_VERSION_4_0)
+    Return<void> getDevices(getDevices_cb _hidl_cb) override;
+    Return<Result> setDevices(const hidl_vec<DeviceAddress>& devices) override;
+    Return<void> getParameters(const hidl_vec<ParameterValue>& context,
+                               const hidl_vec<hidl_string>& keys,
+                               getParameters_cb _hidl_cb) override;
+    Return<Result> setParameters(const hidl_vec<ParameterValue>& context,
+                                 const hidl_vec<ParameterValue>& parameters) override;
+#endif
+    Return<Result> setHwAvSync(uint32_t hwAvSync) override;
     Return<Result> close() override;
 
+    Return<void> debug(const hidl_handle& fd, const hidl_vec<hidl_string>& options) override;
+#ifdef AUDIO_HAL_VERSION_2_0
+    Return<void> debugDump(const hidl_handle& fd) override;
+#endif
+
     // Methods from ::android::hardware::audio::AUDIO_HAL_VERSION::IStreamOut follow.
     Return<uint32_t> getLatency() override;
     Return<Result> setVolume(float left, float right) override;
@@ -102,6 +120,10 @@
     Return<Result> stop() override;
     Return<void> createMmapBuffer(int32_t minSizeFrames, createMmapBuffer_cb _hidl_cb) override;
     Return<void> getMmapPosition(getMmapPosition_cb _hidl_cb) override;
+#ifdef AUDIO_HAL_VERSION_4_0
+    Return<void> updateSourceMetadata(const SourceMetadata& sourceMetadata) override;
+    Return<Result> selectPresentation(int32_t presentationId, int32_t programId) override;
+#endif
 
     static Result getPresentationPositionImpl(audio_stream_out_t* stream, uint64_t* frames,
                                               TimeSpec* timeStamp);
diff --git a/audio/core/all-versions/default/include/core/all-versions/default/StreamOut.impl.h b/audio/core/all-versions/default/include/core/all-versions/default/StreamOut.impl.h
index bdbeb38..605b824 100644
--- a/audio/core/all-versions/default/include/core/all-versions/default/StreamOut.impl.h
+++ b/audio/core/all-versions/default/include/core/all-versions/default/StreamOut.impl.h
@@ -183,23 +183,33 @@
     return mStreamCommon->getSampleRate();
 }
 
+#ifdef AUDIO_HAL_VERSION_2_0
+Return<void> StreamOut::getSupportedChannelMasks(getSupportedChannelMasks_cb _hidl_cb) {
+    return mStreamCommon->getSupportedChannelMasks(_hidl_cb);
+}
 Return<void> StreamOut::getSupportedSampleRates(getSupportedSampleRates_cb _hidl_cb) {
     return mStreamCommon->getSupportedSampleRates(_hidl_cb);
 }
+#endif
+
+Return<void> StreamOut::getSupportedChannelMasks(AudioFormat format,
+                                                 getSupportedChannelMasks_cb _hidl_cb) {
+    return mStreamCommon->getSupportedChannelMasks(format, _hidl_cb);
+}
+Return<void> StreamOut::getSupportedSampleRates(AudioFormat format,
+                                                getSupportedSampleRates_cb _hidl_cb) {
+    return mStreamCommon->getSupportedSampleRates(format, _hidl_cb);
+}
 
 Return<Result> StreamOut::setSampleRate(uint32_t sampleRateHz) {
     return mStreamCommon->setSampleRate(sampleRateHz);
 }
 
-Return<AudioChannelMask> StreamOut::getChannelMask() {
+Return<AudioChannelBitfield> StreamOut::getChannelMask() {
     return mStreamCommon->getChannelMask();
 }
 
-Return<void> StreamOut::getSupportedChannelMasks(getSupportedChannelMasks_cb _hidl_cb) {
-    return mStreamCommon->getSupportedChannelMasks(_hidl_cb);
-}
-
-Return<Result> StreamOut::setChannelMask(AudioChannelMask mask) {
+Return<Result> StreamOut::setChannelMask(AudioChannelBitfield mask) {
     return mStreamCommon->setChannelMask(mask);
 }
 
@@ -231,6 +241,15 @@
     return mStreamCommon->standby();
 }
 
+Return<Result> StreamOut::setHwAvSync(uint32_t hwAvSync) {
+    return mStreamCommon->setHwAvSync(hwAvSync);
+}
+
+#ifdef AUDIO_HAL_VERSION_2_0
+Return<Result> StreamOut::setConnectedState(const DeviceAddress& address, bool connected) {
+    return mStreamCommon->setConnectedState(address, connected);
+}
+
 Return<AudioDevice> StreamOut::getDevice() {
     return mStreamCommon->getDevice();
 }
@@ -239,14 +258,6 @@
     return mStreamCommon->setDevice(address);
 }
 
-Return<Result> StreamOut::setConnectedState(const DeviceAddress& address, bool connected) {
-    return mStreamCommon->setConnectedState(address, connected);
-}
-
-Return<Result> StreamOut::setHwAvSync(uint32_t hwAvSync) {
-    return mStreamCommon->setHwAvSync(hwAvSync);
-}
-
 Return<void> StreamOut::getParameters(const hidl_vec<hidl_string>& keys,
                                       getParameters_cb _hidl_cb) {
     return mStreamCommon->getParameters(keys, _hidl_cb);
@@ -259,6 +270,25 @@
 Return<void> StreamOut::debugDump(const hidl_handle& fd) {
     return mStreamCommon->debugDump(fd);
 }
+#elif defined(AUDIO_HAL_VERSION_4_0)
+Return<void> StreamOut::getDevices(getDevices_cb _hidl_cb) {
+    return mStreamCommon->getDevices(_hidl_cb);
+}
+
+Return<Result> StreamOut::setDevices(const hidl_vec<DeviceAddress>& devices) {
+    return mStreamCommon->setDevices(devices);
+}
+Return<void> StreamOut::getParameters(const hidl_vec<ParameterValue>& context,
+                                      const hidl_vec<hidl_string>& keys,
+                                      getParameters_cb _hidl_cb) {
+    return mStreamCommon->getParameters(context, keys, _hidl_cb);
+}
+
+Return<Result> StreamOut::setParameters(const hidl_vec<ParameterValue>& context,
+                                        const hidl_vec<ParameterValue>& parameters) {
+    return mStreamCommon->setParameters(context, parameters);
+}
+#endif
 
 Return<Result> StreamOut::close() {
     if (mIsClosed) return Result::INVALID_STATE;
@@ -512,6 +542,19 @@
     return mStreamMmap->getMmapPosition(_hidl_cb);
 }
 
+Return<void> StreamOut::debug(const hidl_handle& fd, const hidl_vec<hidl_string>& options) {
+    return mStreamCommon->debug(fd, options);
+}
+
+#ifdef AUDIO_HAL_VERSION_4_0
+Return<void> StreamOut::updateSourceMetadata(const SourceMetadata& /*sourceMetadata*/) {
+    return Void();  // TODO: propagate to legacy
+}
+Return<Result> StreamOut::selectPresentation(int32_t /*presentationId*/, int32_t /*programId*/) {
+    return Result::NOT_SUPPORTED;  // TODO: propagate to legacy
+}
+#endif
+
 }  // namespace implementation
 }  // namespace AUDIO_HAL_VERSION
 }  // namespace audio
diff --git a/audio/effect/4.0/default/AcousticEchoCancelerEffect.cpp b/audio/effect/4.0/default/AcousticEchoCancelerEffect.cpp
new file mode 100644
index 0000000..242740e
--- /dev/null
+++ b/audio/effect/4.0/default/AcousticEchoCancelerEffect.cpp
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "AEC_Effect_HAL"
+
+#include "AcousticEchoCancelerEffect.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/AcousticEchoCancelerEffect.impl.h>
+#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/4.0/default/AcousticEchoCancelerEffect.h b/audio/effect/4.0/default/AcousticEchoCancelerEffect.h
new file mode 100644
index 0000000..0ac0a1e
--- /dev/null
+++ b/audio/effect/4.0/default/AcousticEchoCancelerEffect.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_ACOUSTICECHOCANCELEREFFECT_H
+#define ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_ACOUSTICECHOCANCELEREFFECT_H
+
+#include <android/hardware/audio/effect/4.0/IAcousticEchoCancelerEffect.h>
+
+#include "Effect.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/AcousticEchoCancelerEffect.h>
+#undef AUDIO_HAL_VERSION
+
+#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_ACOUSTICECHOCANCELEREFFECT_H
diff --git a/audio/effect/4.0/default/Android.bp b/audio/effect/4.0/default/Android.bp
new file mode 100644
index 0000000..dcb2269
--- /dev/null
+++ b/audio/effect/4.0/default/Android.bp
@@ -0,0 +1,50 @@
+cc_library_shared {
+    name: "android.hardware.audio.effect@4.0-impl",
+    defaults: ["hidl_defaults"],
+    vendor: true,
+    relative_install_path: "hw",
+    srcs: [
+        "AcousticEchoCancelerEffect.cpp",
+        "AudioBufferManager.cpp",
+        "AutomaticGainControlEffect.cpp",
+        "BassBoostEffect.cpp",
+        "Conversions.cpp",
+        "DownmixEffect.cpp",
+        "Effect.cpp",
+        "EffectsFactory.cpp",
+        "EnvironmentalReverbEffect.cpp",
+        "EqualizerEffect.cpp",
+        "LoudnessEnhancerEffect.cpp",
+        "NoiseSuppressionEffect.cpp",
+        "PresetReverbEffect.cpp",
+        "VirtualizerEffect.cpp",
+        "VisualizerEffect.cpp",
+    ],
+
+    shared_libs: [
+        "libbase",
+        "libcutils",
+        "libeffects",
+        "libfmq",
+        "libhidlbase",
+        "libhidlmemory",
+        "libhidltransport",
+        "liblog",
+        "libutils",
+        "android.hardware.audio.common-util",
+        "android.hardware.audio.common@4.0",
+        "android.hardware.audio.common@4.0-util",
+        "android.hardware.audio.effect@4.0",
+        "android.hidl.memory@1.0",
+    ],
+
+    header_libs: [
+        "android.hardware.audio.common.util@all-versions",
+        "android.hardware.audio.effect@all-versions-impl",
+        "libaudio_system_headers",
+        "libaudioclient_headers",
+        "libeffects_headers",
+        "libhardware_headers",
+        "libmedia_headers",
+    ],
+}
diff --git a/audio/effect/4.0/default/AudioBufferManager.cpp b/audio/effect/4.0/default/AudioBufferManager.cpp
new file mode 100644
index 0000000..2d75f3f
--- /dev/null
+++ b/audio/effect/4.0/default/AudioBufferManager.cpp
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "AudioBufferManager.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/AudioBufferManager.impl.h>
+#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/4.0/default/AudioBufferManager.h b/audio/effect/4.0/default/AudioBufferManager.h
new file mode 100644
index 0000000..1f151e6
--- /dev/null
+++ b/audio/effect/4.0/default/AudioBufferManager.h
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_AUDIO_BUFFER_MANAGER_H_
+#define ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_AUDIO_BUFFER_MANAGER_H_
+
+#include <android/hardware/audio/effect/4.0/types.h>
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/AudioBufferManager.h>
+#undef AUDIO_HAL_VERSION
+
+#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_AUDIO_BUFFER_MANAGER_H_
diff --git a/audio/effect/4.0/default/AutomaticGainControlEffect.cpp b/audio/effect/4.0/default/AutomaticGainControlEffect.cpp
new file mode 100644
index 0000000..9d21c8a
--- /dev/null
+++ b/audio/effect/4.0/default/AutomaticGainControlEffect.cpp
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "AGC_Effect_HAL"
+
+#include "AutomaticGainControlEffect.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/AutomaticGainControlEffect.impl.h>
+#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/4.0/default/AutomaticGainControlEffect.h b/audio/effect/4.0/default/AutomaticGainControlEffect.h
new file mode 100644
index 0000000..7f12007
--- /dev/null
+++ b/audio/effect/4.0/default/AutomaticGainControlEffect.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_AUTOMATICGAINCONTROLEFFECT_H
+#define ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_AUTOMATICGAINCONTROLEFFECT_H
+
+#include <android/hardware/audio/effect/4.0/IAutomaticGainControlEffect.h>
+
+#include "Effect.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/AutomaticGainControlEffect.h>
+#undef AUDIO_HAL_VERSION
+
+#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_AUTOMATICGAINCONTROLEFFECT_H
diff --git a/audio/effect/4.0/default/BassBoostEffect.cpp b/audio/effect/4.0/default/BassBoostEffect.cpp
new file mode 100644
index 0000000..74a626b
--- /dev/null
+++ b/audio/effect/4.0/default/BassBoostEffect.cpp
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "BassBoost_HAL"
+
+#include "BassBoostEffect.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/BassBoostEffect.impl.h>
+#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/4.0/default/BassBoostEffect.h b/audio/effect/4.0/default/BassBoostEffect.h
new file mode 100644
index 0000000..206a75f
--- /dev/null
+++ b/audio/effect/4.0/default/BassBoostEffect.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_BASSBOOSTEFFECT_H
+#define ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_BASSBOOSTEFFECT_H
+
+#include <android/hardware/audio/effect/4.0/IBassBoostEffect.h>
+
+#include <hidl/MQDescriptor.h>
+
+#include "Effect.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/BassBoostEffect.h>
+#undef AUDIO_HAL_VERSION
+
+#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_BASSBOOSTEFFECT_H
diff --git a/audio/effect/4.0/default/Conversions.cpp b/audio/effect/4.0/default/Conversions.cpp
new file mode 100644
index 0000000..91285ae
--- /dev/null
+++ b/audio/effect/4.0/default/Conversions.cpp
@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "Conversions.h"
+#include "HidlUtils.h"
+
+using ::android::hardware::audio::common::V4_0::HidlUtils;
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/Conversions.impl.h>
+#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/4.0/default/Conversions.h b/audio/effect/4.0/default/Conversions.h
new file mode 100644
index 0000000..50e380f
--- /dev/null
+++ b/audio/effect/4.0/default/Conversions.h
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_CONVERSIONS_H_
+#define ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_CONVERSIONS_H_
+
+#include <android/hardware/audio/effect/4.0/types.h>
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/Conversions.h>
+#undef AUDIO_HAL_VERSION
+
+#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_CONVERSIONS_H_
diff --git a/audio/effect/4.0/default/DownmixEffect.cpp b/audio/effect/4.0/default/DownmixEffect.cpp
new file mode 100644
index 0000000..07fcab2
--- /dev/null
+++ b/audio/effect/4.0/default/DownmixEffect.cpp
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "Downmix_HAL"
+
+#include "DownmixEffect.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/DownmixEffect.impl.h>
+#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/4.0/default/DownmixEffect.h b/audio/effect/4.0/default/DownmixEffect.h
new file mode 100644
index 0000000..5ae820b
--- /dev/null
+++ b/audio/effect/4.0/default/DownmixEffect.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_DOWNMIXEFFECT_H
+#define ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_DOWNMIXEFFECT_H
+
+#include <android/hardware/audio/effect/4.0/IDownmixEffect.h>
+
+#include "Effect.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/DownmixEffect.h>
+#undef AUDIO_HAL_VERSION
+
+#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_DOWNMIXEFFECT_H
diff --git a/audio/effect/4.0/default/Effect.cpp b/audio/effect/4.0/default/Effect.cpp
new file mode 100644
index 0000000..707044b
--- /dev/null
+++ b/audio/effect/4.0/default/Effect.cpp
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <memory.h>
+
+#define LOG_TAG "EffectHAL"
+#define ATRACE_TAG ATRACE_TAG_AUDIO
+
+#include "Conversions.h"
+#include "Effect.h"
+#include "common/all-versions/default/EffectMap.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/Effect.impl.h>
+#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/4.0/default/Effect.h b/audio/effect/4.0/default/Effect.h
new file mode 100644
index 0000000..9ca79c4
--- /dev/null
+++ b/audio/effect/4.0/default/Effect.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_EFFECT_H
+#define ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_EFFECT_H
+
+#include <android/hardware/audio/effect/4.0/IEffect.h>
+
+#include "AudioBufferManager.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/Effect.h>
+#undef AUDIO_HAL_VERSION
+
+#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_EFFECT_H
diff --git a/audio/effect/4.0/default/EffectsFactory.cpp b/audio/effect/4.0/default/EffectsFactory.cpp
new file mode 100644
index 0000000..ee0413d
--- /dev/null
+++ b/audio/effect/4.0/default/EffectsFactory.cpp
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "EffectFactoryHAL"
+#include "EffectsFactory.h"
+#include "AcousticEchoCancelerEffect.h"
+#include "AutomaticGainControlEffect.h"
+#include "BassBoostEffect.h"
+#include "Conversions.h"
+#include "DownmixEffect.h"
+#include "Effect.h"
+#include "EnvironmentalReverbEffect.h"
+#include "EqualizerEffect.h"
+#include "HidlUtils.h"
+#include "LoudnessEnhancerEffect.h"
+#include "NoiseSuppressionEffect.h"
+#include "PresetReverbEffect.h"
+#include "VirtualizerEffect.h"
+#include "VisualizerEffect.h"
+#include "common/all-versions/default/EffectMap.h"
+
+using ::android::hardware::audio::common::V4_0::HidlUtils;
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/EffectsFactory.impl.h>
+#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/4.0/default/EffectsFactory.h b/audio/effect/4.0/default/EffectsFactory.h
new file mode 100644
index 0000000..48e4b4c
--- /dev/null
+++ b/audio/effect/4.0/default/EffectsFactory.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_EFFECTSFACTORY_H
+#define ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_EFFECTSFACTORY_H
+
+#include <system/audio_effect.h>
+
+#include <android/hardware/audio/effect/4.0/IEffectsFactory.h>
+
+#include <hidl/MQDescriptor.h>
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/EffectsFactory.h>
+#undef AUDIO_HAL_VERSION
+
+#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_EFFECTSFACTORY_H
diff --git a/audio/effect/4.0/default/EnvironmentalReverbEffect.cpp b/audio/effect/4.0/default/EnvironmentalReverbEffect.cpp
new file mode 100644
index 0000000..cc3102d
--- /dev/null
+++ b/audio/effect/4.0/default/EnvironmentalReverbEffect.cpp
@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "EnvReverb_HAL"
+#include <android/log.h>
+
+#include "EnvironmentalReverbEffect.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/EnvironmentalReverbEffect.impl.h>
+#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/4.0/default/EnvironmentalReverbEffect.h b/audio/effect/4.0/default/EnvironmentalReverbEffect.h
new file mode 100644
index 0000000..c0fb25c
--- /dev/null
+++ b/audio/effect/4.0/default/EnvironmentalReverbEffect.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_ENVIRONMENTALREVERBEFFECT_H
+#define ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_ENVIRONMENTALREVERBEFFECT_H
+
+#include <system/audio_effects/effect_environmentalreverb.h>
+
+#include <android/hardware/audio/effect/4.0/IEnvironmentalReverbEffect.h>
+
+#include "Effect.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/EnvironmentalReverbEffect.h>
+#undef AUDIO_HAL_VERSION
+
+#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_ENVIRONMENTALREVERBEFFECT_H
diff --git a/audio/effect/4.0/default/EqualizerEffect.cpp b/audio/effect/4.0/default/EqualizerEffect.cpp
new file mode 100644
index 0000000..d0a40bc
--- /dev/null
+++ b/audio/effect/4.0/default/EqualizerEffect.cpp
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "Equalizer_HAL"
+
+#include "EqualizerEffect.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/EqualizerEffect.impl.h>
+#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/4.0/default/EqualizerEffect.h b/audio/effect/4.0/default/EqualizerEffect.h
new file mode 100644
index 0000000..7c9463b
--- /dev/null
+++ b/audio/effect/4.0/default/EqualizerEffect.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_EQUALIZEREFFECT_H
+#define ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_EQUALIZEREFFECT_H
+
+#include <android/hardware/audio/effect/4.0/IEqualizerEffect.h>
+
+#include "Effect.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/EqualizerEffect.h>
+#undef AUDIO_HAL_VERSION
+
+#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_EQUALIZEREFFECT_H
diff --git a/audio/effect/4.0/default/LoudnessEnhancerEffect.cpp b/audio/effect/4.0/default/LoudnessEnhancerEffect.cpp
new file mode 100644
index 0000000..e3c5184
--- /dev/null
+++ b/audio/effect/4.0/default/LoudnessEnhancerEffect.cpp
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "LoudnessEnhancer_HAL"
+
+#include "LoudnessEnhancerEffect.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/LoudnessEnhancerEffect.impl.h>
+#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/4.0/default/LoudnessEnhancerEffect.h b/audio/effect/4.0/default/LoudnessEnhancerEffect.h
new file mode 100644
index 0000000..64fa26a
--- /dev/null
+++ b/audio/effect/4.0/default/LoudnessEnhancerEffect.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_LOUDNESSENHANCEREFFECT_H
+#define ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_LOUDNESSENHANCEREFFECT_H
+
+#include <android/hardware/audio/effect/4.0/ILoudnessEnhancerEffect.h>
+
+#include "Effect.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/LoudnessEnhancerEffect.h>
+#undef AUDIO_HAL_VERSION
+
+#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_LOUDNESSENHANCEREFFECT_H
diff --git a/audio/effect/4.0/default/NoiseSuppressionEffect.cpp b/audio/effect/4.0/default/NoiseSuppressionEffect.cpp
new file mode 100644
index 0000000..e83a8e3
--- /dev/null
+++ b/audio/effect/4.0/default/NoiseSuppressionEffect.cpp
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "NS_Effect_HAL"
+
+#include "NoiseSuppressionEffect.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/NoiseSuppressionEffect.impl.h>
+#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/4.0/default/NoiseSuppressionEffect.h b/audio/effect/4.0/default/NoiseSuppressionEffect.h
new file mode 100644
index 0000000..36d45af
--- /dev/null
+++ b/audio/effect/4.0/default/NoiseSuppressionEffect.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_NOISESUPPRESSIONEFFECT_H
+#define ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_NOISESUPPRESSIONEFFECT_H
+
+#include <android/hardware/audio/effect/4.0/INoiseSuppressionEffect.h>
+
+#include "Effect.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/NoiseSuppressionEffect.h>
+#undef AUDIO_HAL_VERSION
+
+#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_NOISESUPPRESSIONEFFECT_H
diff --git a/audio/effect/4.0/default/PresetReverbEffect.cpp b/audio/effect/4.0/default/PresetReverbEffect.cpp
new file mode 100644
index 0000000..0c23be7
--- /dev/null
+++ b/audio/effect/4.0/default/PresetReverbEffect.cpp
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "PresetReverb_HAL"
+
+#include "PresetReverbEffect.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/PresetReverbEffect.impl.h>
+#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/4.0/default/PresetReverbEffect.h b/audio/effect/4.0/default/PresetReverbEffect.h
new file mode 100644
index 0000000..3eeae0a
--- /dev/null
+++ b/audio/effect/4.0/default/PresetReverbEffect.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_PRESETREVERBEFFECT_H
+#define ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_PRESETREVERBEFFECT_H
+
+#include <android/hardware/audio/effect/4.0/IPresetReverbEffect.h>
+
+#include "Effect.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/PresetReverbEffect.h>
+#undef AUDIO_HAL_VERSION
+
+#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_PRESETREVERBEFFECT_H
diff --git a/audio/effect/4.0/default/VirtualizerEffect.cpp b/audio/effect/4.0/default/VirtualizerEffect.cpp
new file mode 100644
index 0000000..f50e8ad
--- /dev/null
+++ b/audio/effect/4.0/default/VirtualizerEffect.cpp
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "Virtualizer_HAL"
+
+#include "VirtualizerEffect.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/VirtualizerEffect.impl.h>
+#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/4.0/default/VirtualizerEffect.h b/audio/effect/4.0/default/VirtualizerEffect.h
new file mode 100644
index 0000000..8e7114e
--- /dev/null
+++ b/audio/effect/4.0/default/VirtualizerEffect.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_VIRTUALIZEREFFECT_H
+#define ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_VIRTUALIZEREFFECT_H
+
+#include <android/hardware/audio/effect/4.0/IVirtualizerEffect.h>
+
+#include "Effect.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/VirtualizerEffect.h>
+#undef AUDIO_HAL_VERSION
+
+#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_VIRTUALIZEREFFECT_H
diff --git a/audio/effect/4.0/default/VisualizerEffect.cpp b/audio/effect/4.0/default/VisualizerEffect.cpp
new file mode 100644
index 0000000..8d4f100
--- /dev/null
+++ b/audio/effect/4.0/default/VisualizerEffect.cpp
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "Visualizer_HAL"
+
+#include "VisualizerEffect.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/VisualizerEffect.impl.h>
+#undef AUDIO_HAL_VERSION
diff --git a/audio/effect/4.0/default/VisualizerEffect.h b/audio/effect/4.0/default/VisualizerEffect.h
new file mode 100644
index 0000000..6b5ab9c
--- /dev/null
+++ b/audio/effect/4.0/default/VisualizerEffect.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_VISUALIZEREFFECT_H
+#define ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_VISUALIZEREFFECT_H
+
+#include <android/hardware/audio/effect/4.0/IVisualizerEffect.h>
+
+#include "Effect.h"
+
+#define AUDIO_HAL_VERSION V4_0
+#include <effect/all-versions/default/VisualizerEffect.h>
+#undef AUDIO_HAL_VERSION
+
+#endif  // ANDROID_HARDWARE_AUDIO_EFFECT_V4_0_VISUALIZEREFFECT_H
diff --git a/audio/effect/4.0/vts/OWNERS b/audio/effect/4.0/vts/OWNERS
new file mode 100644
index 0000000..8711a9f
--- /dev/null
+++ b/audio/effect/4.0/vts/OWNERS
@@ -0,0 +1,5 @@
+elaurent@google.com
+krocard@google.com
+mnaganov@google.com
+yim@google.com
+zhuoyao@google.com
\ No newline at end of file
diff --git a/audio/effect/4.0/vts/functional/Android.bp b/audio/effect/4.0/vts/functional/Android.bp
new file mode 100644
index 0000000..92b5db7
--- /dev/null
+++ b/audio/effect/4.0/vts/functional/Android.bp
@@ -0,0 +1,39 @@
+//
+// Copyright (C) 2016 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+cc_test {
+    name: "VtsHalAudioEffectV4_0TargetTest",
+    defaults: ["VtsHalTargetTestDefaults"],
+    srcs: [
+        "VtsHalAudioEffectV4_0TargetTest.cpp",
+        "ValidateAudioEffectsConfiguration.cpp"
+    ],
+    static_libs: [
+        "android.hardware.audio.common.test.utility",
+        "android.hardware.audio.common@4.0",
+        "android.hardware.audio.effect@4.0",
+        "android.hidl.allocator@1.0",
+        "android.hidl.memory@1.0",
+        "libxml2",
+    ],
+    shared_libs: [
+        "libeffectsconfig",
+        "libicuuc",
+    ],
+    header_libs: [
+        "android.hardware.audio.common.util@all-versions",
+    ],
+}
diff --git a/audio/effect/4.0/vts/functional/ValidateAudioEffectsConfiguration.cpp b/audio/effect/4.0/vts/functional/ValidateAudioEffectsConfiguration.cpp
new file mode 100644
index 0000000..6338563
--- /dev/null
+++ b/audio/effect/4.0/vts/functional/ValidateAudioEffectsConfiguration.cpp
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <unistd.h>
+#include <iterator>
+
+#include <media/EffectsConfig.h>
+
+#include "utility/ValidateXml.h"
+
+TEST(CheckConfig, audioEffectsConfigurationValidation) {
+    RecordProperty("description",
+                   "Verify that the effects configuration file is valid according to the schema");
+    using namespace android::effectsConfig;
+
+    std::vector<const char*> locations(std::begin(DEFAULT_LOCATIONS), std::end(DEFAULT_LOCATIONS));
+    EXPECT_ONE_VALID_XML_MULTIPLE_LOCATIONS(DEFAULT_NAME, locations,
+                                            "/data/local/tmp/audio_effects_conf_V4_0.xsd");
+}
diff --git a/audio/effect/4.0/vts/functional/VtsHalAudioEffectV4_0TargetTest.cpp b/audio/effect/4.0/vts/functional/VtsHalAudioEffectV4_0TargetTest.cpp
new file mode 100644
index 0000000..ec783c4
--- /dev/null
+++ b/audio/effect/4.0/vts/functional/VtsHalAudioEffectV4_0TargetTest.cpp
@@ -0,0 +1,852 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "AudioEffectHidlHalTest"
+#include <android-base/logging.h>
+#include <system/audio.h>
+
+#include <android/hardware/audio/effect/4.0/IEffect.h>
+#include <android/hardware/audio/effect/4.0/IEffectsFactory.h>
+#include <android/hardware/audio/effect/4.0/IEqualizerEffect.h>
+#include <android/hardware/audio/effect/4.0/ILoudnessEnhancerEffect.h>
+#include <android/hardware/audio/effect/4.0/types.h>
+#include <android/hidl/allocator/1.0/IAllocator.h>
+#include <android/hidl/memory/1.0/IMemory.h>
+
+#include <common/all-versions/VersionUtils.h>
+
+#include <VtsHalHidlTargetTestBase.h>
+#include <VtsHalHidlTargetTestEnvBase.h>
+
+using android::hardware::audio::common::V4_0::AudioDevice;
+using android::hardware::audio::common::V4_0::AudioHandleConsts;
+using android::hardware::audio::common::V4_0::AudioMode;
+using android::hardware::audio::common::V4_0::AudioSource;
+using android::hardware::audio::common::V4_0::Uuid;
+using android::hardware::audio::common::utils::mkBitfield;
+using android::hardware::audio::effect::V4_0::AudioBuffer;
+using android::hardware::audio::effect::V4_0::EffectAuxChannelsConfig;
+using android::hardware::audio::effect::V4_0::EffectBufferConfig;
+using android::hardware::audio::effect::V4_0::EffectConfig;
+using android::hardware::audio::effect::V4_0::EffectDescriptor;
+using android::hardware::audio::effect::V4_0::EffectOffloadParameter;
+using android::hardware::audio::effect::V4_0::IEffect;
+using android::hardware::audio::effect::V4_0::IEffectsFactory;
+using android::hardware::audio::effect::V4_0::IEqualizerEffect;
+using android::hardware::audio::effect::V4_0::ILoudnessEnhancerEffect;
+using android::hardware::audio::effect::V4_0::Result;
+using android::hardware::MQDescriptorSync;
+using android::hardware::Return;
+using android::hardware::Void;
+using android::hardware::hidl_handle;
+using android::hardware::hidl_memory;
+using android::hardware::hidl_string;
+using android::hardware::hidl_vec;
+using android::hidl::allocator::V1_0::IAllocator;
+using android::hidl::memory::V1_0::IMemory;
+using android::sp;
+
+#ifndef ARRAY_SIZE
+#define ARRAY_SIZE(a) (sizeof(a) / sizeof(*(a)))
+#endif
+
+// Test environment for Audio Effects Factory HIDL HAL.
+class AudioEffectsFactoryHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+   public:
+    // get the test environment singleton
+    static AudioEffectsFactoryHidlEnvironment* Instance() {
+        static AudioEffectsFactoryHidlEnvironment* instance =
+            new AudioEffectsFactoryHidlEnvironment;
+        return instance;
+    }
+
+    virtual void registerTestServices() override { registerTestService<IEffectsFactory>(); }
+};
+
+// The main test class for Audio Effects Factory HIDL HAL.
+class AudioEffectsFactoryHidlTest : public ::testing::VtsHalHidlTargetTestBase {
+ public:
+  void SetUp() override {
+      effectsFactory = ::testing::VtsHalHidlTargetTestBase::getService<IEffectsFactory>(
+          AudioEffectsFactoryHidlEnvironment::Instance()->getServiceName<IEffectsFactory>());
+      ASSERT_NE(effectsFactory, nullptr);
+  }
+
+  void TearDown() override { effectsFactory.clear(); }
+
+ protected:
+  static void description(const std::string& description) {
+    RecordProperty("description", description);
+  }
+
+  sp<IEffectsFactory> effectsFactory;
+};
+
+TEST_F(AudioEffectsFactoryHidlTest, EnumerateEffects) {
+  description("Verify that EnumerateEffects returns at least one effect");
+  Result retval = Result::NOT_INITIALIZED;
+  size_t effectCount = 0;
+  Return<void> ret = effectsFactory->getAllDescriptors(
+      [&](Result r, const hidl_vec<EffectDescriptor>& result) {
+        retval = r;
+        effectCount = result.size();
+      });
+  EXPECT_TRUE(ret.isOk());
+  EXPECT_EQ(Result::OK, retval);
+  EXPECT_GT(effectCount, 0u);
+}
+
+TEST_F(AudioEffectsFactoryHidlTest, CreateEffect) {
+  description("Verify that an effect can be created via CreateEffect");
+  bool gotEffect = false;
+  Uuid effectUuid;
+  Return<void> ret = effectsFactory->getAllDescriptors(
+      [&](Result r, const hidl_vec<EffectDescriptor>& result) {
+        if (r == Result::OK && result.size() > 0) {
+          gotEffect = true;
+          effectUuid = result[0].uuid;
+        }
+      });
+  ASSERT_TRUE(ret.isOk());
+  ASSERT_TRUE(gotEffect);
+  Result retval = Result::NOT_INITIALIZED;
+  sp<IEffect> effect;
+  ret = effectsFactory->createEffect(
+      effectUuid, 1 /*session*/, 1 /*ioHandle*/,
+      [&](Result r, const sp<IEffect>& result, uint64_t /*effectId*/) {
+        retval = r;
+        if (r == Result::OK) {
+          effect = result;
+        }
+      });
+  EXPECT_TRUE(ret.isOk());
+  EXPECT_EQ(Result::OK, retval);
+  EXPECT_NE(nullptr, effect.get());
+}
+
+TEST_F(AudioEffectsFactoryHidlTest, GetDescriptor) {
+  description(
+      "Verify that effects factory can provide an effect descriptor via "
+      "GetDescriptor");
+  hidl_vec<EffectDescriptor> allDescriptors;
+  Return<void> ret = effectsFactory->getAllDescriptors(
+      [&](Result r, const hidl_vec<EffectDescriptor>& result) {
+        if (r == Result::OK) {
+          allDescriptors = result;
+        }
+      });
+  ASSERT_TRUE(ret.isOk());
+  ASSERT_GT(allDescriptors.size(), 0u);
+  for (size_t i = 0; i < allDescriptors.size(); ++i) {
+    ret = effectsFactory->getDescriptor(
+        allDescriptors[i].uuid, [&](Result r, const EffectDescriptor& result) {
+          EXPECT_EQ(r, Result::OK);
+          EXPECT_EQ(result, allDescriptors[i]);
+        });
+  }
+  EXPECT_TRUE(ret.isOk());
+}
+
+TEST_F(AudioEffectsFactoryHidlTest, DebugDumpInvalidArgument) {
+    description("Verify that debugDump doesn't crash on invalid arguments");
+    Return<void> ret = effectsFactory->debug(hidl_handle(), {});
+    ASSERT_TRUE(ret.isOk());
+}
+
+// Equalizer effect is required by CDD, but only the type is fixed.
+// This is the same UUID as AudioEffect.EFFECT_TYPE_EQUALIZER in Java.
+static const Uuid EQUALIZER_EFFECT_TYPE = {
+    0x0bed4300, 0xddd6, 0x11db, 0x8f34,
+    std::array<uint8_t, 6>{{0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}}};
+// Loudness Enhancer effect is required by CDD, but only the type is fixed.
+// This is the same UUID as AudioEffect.EFFECT_TYPE_LOUDNESS_ENHANCER in Java.
+static const Uuid LOUDNESS_ENHANCER_EFFECT_TYPE = {
+    0xfe3199be, 0xaed0, 0x413f, 0x87bb,
+    std::array<uint8_t, 6>{{0x11, 0x26, 0x0e, 0xb6, 0x3c, 0xf1}}};
+
+// The main test class for Audio Effect HIDL HAL.
+class AudioEffectHidlTest : public ::testing::VtsHalHidlTargetTestBase {
+ public:
+  void SetUp() override {
+    effectsFactory =
+        ::testing::VtsHalHidlTargetTestBase::getService<IEffectsFactory>();
+    ASSERT_NE(nullptr, effectsFactory.get());
+
+    findAndCreateEffect(getEffectType());
+    ASSERT_NE(nullptr, effect.get());
+
+    Return<Result> ret = effect->init();
+    ASSERT_TRUE(ret.isOk());
+    ASSERT_EQ(Result::OK, ret);
+  }
+
+  void TearDown() override {
+    effect.clear();
+    effectsFactory.clear();
+  }
+
+ protected:
+  static void description(const std::string& description) {
+    RecordProperty("description", description);
+  }
+
+  virtual Uuid getEffectType() { return EQUALIZER_EFFECT_TYPE; }
+
+  void findAndCreateEffect(const Uuid& type);
+  void findEffectInstance(const Uuid& type, Uuid* uuid);
+  void getChannelCount(uint32_t* channelCount);
+
+  sp<IEffectsFactory> effectsFactory;
+  sp<IEffect> effect;
+};
+
+void AudioEffectHidlTest::findAndCreateEffect(const Uuid& type) {
+  Uuid effectUuid;
+  findEffectInstance(type, &effectUuid);
+  Return<void> ret = effectsFactory->createEffect(
+      effectUuid, 1 /*session*/, 1 /*ioHandle*/,
+      [&](Result r, const sp<IEffect>& result, uint64_t /*effectId*/) {
+        if (r == Result::OK) {
+          effect = result;
+        }
+      });
+  ASSERT_TRUE(ret.isOk());
+}
+
+void AudioEffectHidlTest::findEffectInstance(const Uuid& type, Uuid* uuid) {
+  bool effectFound = false;
+  Return<void> ret = effectsFactory->getAllDescriptors(
+      [&](Result r, const hidl_vec<EffectDescriptor>& result) {
+        if (r == Result::OK) {
+          for (const auto& desc : result) {
+            if (desc.type == type) {
+              effectFound = true;
+              *uuid = desc.uuid;
+              break;
+            }
+          }
+        }
+      });
+  ASSERT_TRUE(ret.isOk());
+  ASSERT_TRUE(effectFound);
+}
+
+void AudioEffectHidlTest::getChannelCount(uint32_t* channelCount) {
+  Result retval;
+  EffectConfig currentConfig;
+  Return<void> ret = effect->getConfig([&](Result r, const EffectConfig& conf) {
+    retval = r;
+    if (r == Result::OK) {
+      currentConfig = conf;
+    }
+  });
+  ASSERT_TRUE(ret.isOk());
+  ASSERT_EQ(Result::OK, retval);
+  ASSERT_TRUE(audio_channel_mask_is_valid(
+      static_cast<audio_channel_mask_t>(currentConfig.outputCfg.channels)));
+  *channelCount = audio_channel_count_from_out_mask(
+      static_cast<audio_channel_mask_t>(currentConfig.outputCfg.channels));
+}
+
+TEST_F(AudioEffectHidlTest, Close) {
+  description("Verify that an effect can be closed");
+  Return<Result> ret = effect->close();
+  EXPECT_TRUE(ret.isOk());
+  EXPECT_EQ(Result::OK, ret);
+}
+
+TEST_F(AudioEffectHidlTest, GetDescriptor) {
+  description(
+      "Verify that an effect can return its own descriptor via GetDescriptor");
+  Result retval = Result::NOT_INITIALIZED;
+  Uuid actualType;
+  Return<void> ret =
+      effect->getDescriptor([&](Result r, const EffectDescriptor& desc) {
+        retval = r;
+        if (r == Result::OK) {
+          actualType = desc.type;
+        }
+      });
+  EXPECT_TRUE(ret.isOk());
+  EXPECT_EQ(Result::OK, retval);
+  EXPECT_EQ(getEffectType(), actualType);
+}
+
+TEST_F(AudioEffectHidlTest, GetSetConfig) {
+  description(
+      "Verify that it is possible to manipulate effect config via Get / "
+      "SetConfig");
+  Result retval = Result::NOT_INITIALIZED;
+  EffectConfig currentConfig;
+  Return<void> ret = effect->getConfig([&](Result r, const EffectConfig& conf) {
+    retval = r;
+    if (r == Result::OK) {
+      currentConfig = conf;
+    }
+  });
+  EXPECT_TRUE(ret.isOk());
+  EXPECT_EQ(Result::OK, retval);
+  Return<Result> ret2 = effect->setConfig(currentConfig, nullptr, nullptr);
+  EXPECT_TRUE(ret2.isOk());
+  EXPECT_EQ(Result::OK, ret2);
+}
+
+TEST_F(AudioEffectHidlTest, GetConfigReverse) {
+  description("Verify that GetConfigReverse does not crash");
+  Return<void> ret =
+      effect->getConfigReverse([&](Result, const EffectConfig&) {});
+  EXPECT_TRUE(ret.isOk());
+}
+
+TEST_F(AudioEffectHidlTest, GetSupportedAuxChannelsConfigs) {
+  description("Verify that GetSupportedAuxChannelsConfigs does not crash");
+  Return<void> ret = effect->getSupportedAuxChannelsConfigs(
+      0, [&](Result, const hidl_vec<EffectAuxChannelsConfig>&) {});
+  EXPECT_TRUE(ret.isOk());
+}
+
+TEST_F(AudioEffectHidlTest, GetAuxChannelsConfig) {
+  description("Verify that GetAuxChannelsConfig does not crash");
+  Return<void> ret = effect->getAuxChannelsConfig(
+      [&](Result, const EffectAuxChannelsConfig&) {});
+  EXPECT_TRUE(ret.isOk());
+}
+
+TEST_F(AudioEffectHidlTest, SetAuxChannelsConfig) {
+  description("Verify that SetAuxChannelsConfig does not crash");
+  Return<Result> ret = effect->setAuxChannelsConfig(EffectAuxChannelsConfig());
+  EXPECT_TRUE(ret.isOk());
+}
+
+// Not generated automatically because AudioBuffer contains
+// instances of hidl_memory which can't be compared properly
+// in general case due to presence of handles.
+//
+// However, in this particular case, handles must not present
+// thus comparison is possible.
+//
+// operator== must be defined in the same namespace as the structures.
+namespace android {
+namespace hardware {
+namespace audio {
+namespace effect {
+namespace V4_0 {
+inline bool operator==(const AudioBuffer& lhs, const AudioBuffer& rhs) {
+  return lhs.id == rhs.id && lhs.frameCount == rhs.frameCount &&
+         lhs.data.handle() == nullptr && rhs.data.handle() == nullptr;
+}
+
+inline bool operator==(const EffectBufferConfig& lhs,
+                       const EffectBufferConfig& rhs) {
+  return lhs.buffer == rhs.buffer && lhs.samplingRateHz == rhs.samplingRateHz &&
+         lhs.channels == rhs.channels && lhs.format == rhs.format &&
+         lhs.accessMode == rhs.accessMode && lhs.mask == rhs.mask;
+}
+
+inline bool operator==(const EffectConfig& lhs, const EffectConfig& rhs) {
+  return lhs.inputCfg == rhs.inputCfg && lhs.outputCfg == rhs.outputCfg;
+}
+}  // namespace V4_0
+}  // namespace effect
+}  // namespace audio
+}  // namespace hardware
+}  // namespace android
+
+TEST_F(AudioEffectHidlTest, Reset) {
+  description("Verify that Reset preserves effect configuration");
+  Result retval = Result::NOT_INITIALIZED;
+  EffectConfig originalConfig;
+  Return<void> ret = effect->getConfig([&](Result r, const EffectConfig& conf) {
+    retval = r;
+    if (r == Result::OK) {
+      originalConfig = conf;
+    }
+  });
+  ASSERT_TRUE(ret.isOk());
+  ASSERT_EQ(Result::OK, retval);
+  Return<Result> ret2 = effect->reset();
+  EXPECT_TRUE(ret2.isOk());
+  EXPECT_EQ(Result::OK, ret2);
+  EffectConfig configAfterReset;
+  ret = effect->getConfig([&](Result r, const EffectConfig& conf) {
+    retval = r;
+    if (r == Result::OK) {
+      configAfterReset = conf;
+    }
+  });
+  EXPECT_EQ(originalConfig, configAfterReset);
+}
+
+TEST_F(AudioEffectHidlTest, DisableEnableDisable) {
+  description("Verify Disable -> Enable -> Disable sequence for an effect");
+  Return<Result> ret = effect->disable();
+  EXPECT_TRUE(ret.isOk());
+  EXPECT_EQ(Result::INVALID_ARGUMENTS, ret);
+  ret = effect->enable();
+  EXPECT_TRUE(ret.isOk());
+  EXPECT_EQ(Result::OK, ret);
+  ret = effect->disable();
+  EXPECT_TRUE(ret.isOk());
+  EXPECT_EQ(Result::OK, ret);
+}
+
+TEST_F(AudioEffectHidlTest, SetDevice) {
+  description("Verify that SetDevice works for an output chain effect");
+  Return<Result> ret = effect->setDevice(mkBitfield(AudioDevice::OUT_SPEAKER));
+  EXPECT_TRUE(ret.isOk());
+  EXPECT_EQ(Result::OK, ret);
+}
+
+TEST_F(AudioEffectHidlTest, SetAndGetVolume) {
+  description("Verify that SetAndGetVolume method works for an effect");
+  uint32_t channelCount;
+  getChannelCount(&channelCount);
+  hidl_vec<uint32_t> volumes;
+  volumes.resize(channelCount);
+  for (uint32_t i = 0; i < channelCount; ++i) {
+    volumes[i] = 0;
+  }
+  Result retval = Result::NOT_INITIALIZED;
+  Return<void> ret = effect->setAndGetVolume(
+      volumes, [&](Result r, const hidl_vec<uint32_t>&) { retval = r; });
+  EXPECT_TRUE(ret.isOk());
+  EXPECT_EQ(Result::OK, retval);
+}
+
+TEST_F(AudioEffectHidlTest, VolumeChangeNotification) {
+  description("Verify that effect accepts VolumeChangeNotification");
+  uint32_t channelCount;
+  getChannelCount(&channelCount);
+  hidl_vec<uint32_t> volumes;
+  volumes.resize(channelCount);
+  for (uint32_t i = 0; i < channelCount; ++i) {
+    volumes[i] = 0;
+  }
+  Return<Result> ret = effect->volumeChangeNotification(volumes);
+  EXPECT_TRUE(ret.isOk());
+  EXPECT_EQ(Result::OK, ret);
+}
+
+TEST_F(AudioEffectHidlTest, SetAudioMode) {
+  description("Verify that SetAudioMode works for an effect");
+  Return<Result> ret = effect->setAudioMode(AudioMode::NORMAL);
+  EXPECT_TRUE(ret.isOk());
+  EXPECT_EQ(Result::OK, ret);
+}
+
+TEST_F(AudioEffectHidlTest, SetConfigReverse) {
+  description("Verify that SetConfigReverse does not crash");
+  Return<Result> ret =
+      effect->setConfigReverse(EffectConfig(), nullptr, nullptr);
+  EXPECT_TRUE(ret.isOk());
+}
+
+TEST_F(AudioEffectHidlTest, SetInputDevice) {
+  description("Verify that SetInputDevice does not crash");
+  Return<Result> ret = effect->setInputDevice(mkBitfield(AudioDevice::IN_BUILTIN_MIC));
+  EXPECT_TRUE(ret.isOk());
+}
+
+TEST_F(AudioEffectHidlTest, SetAudioSource) {
+  description("Verify that SetAudioSource does not crash");
+  Return<Result> ret = effect->setAudioSource(AudioSource::MIC);
+  EXPECT_TRUE(ret.isOk());
+}
+
+TEST_F(AudioEffectHidlTest, Offload) {
+  description("Verify that calling Offload method does not crash");
+  EffectOffloadParameter offloadParam;
+  offloadParam.isOffload = false;
+  offloadParam.ioHandle =
+      static_cast<int>(AudioHandleConsts::AUDIO_IO_HANDLE_NONE);
+  Return<Result> ret = effect->offload(offloadParam);
+  EXPECT_TRUE(ret.isOk());
+}
+
+TEST_F(AudioEffectHidlTest, PrepareForProcessing) {
+  description("Verify that PrepareForProcessing method works for an effect");
+  Result retval = Result::NOT_INITIALIZED;
+  Return<void> ret = effect->prepareForProcessing(
+      [&](Result r, const MQDescriptorSync<Result>&) { retval = r; });
+  EXPECT_TRUE(ret.isOk());
+  EXPECT_EQ(Result::OK, retval);
+}
+
+TEST_F(AudioEffectHidlTest, SetProcessBuffers) {
+  description("Verify that SetProcessBuffers works for an effect");
+  sp<IAllocator> ashmem = IAllocator::getService("ashmem");
+  ASSERT_NE(nullptr, ashmem.get());
+  bool success = false;
+  AudioBuffer buffer;
+  Return<void> ret =
+      ashmem->allocate(1024, [&](bool s, const hidl_memory& memory) {
+        success = s;
+        if (s) {
+          buffer.data = memory;
+        }
+      });
+  ASSERT_TRUE(ret.isOk());
+  ASSERT_TRUE(success);
+  Return<Result> ret2 = effect->setProcessBuffers(buffer, buffer);
+  EXPECT_TRUE(ret2.isOk());
+  EXPECT_EQ(Result::OK, ret2);
+}
+
+TEST_F(AudioEffectHidlTest, Command) {
+  description("Verify that Command does not crash");
+  Return<void> ret = effect->command(0, hidl_vec<uint8_t>(), 0,
+                                     [&](int32_t, const hidl_vec<uint8_t>&) {});
+  EXPECT_TRUE(ret.isOk());
+}
+
+TEST_F(AudioEffectHidlTest, SetParameter) {
+  description("Verify that SetParameter does not crash");
+  Return<Result> ret =
+      effect->setParameter(hidl_vec<uint8_t>(), hidl_vec<uint8_t>());
+  EXPECT_TRUE(ret.isOk());
+}
+
+TEST_F(AudioEffectHidlTest, GetParameter) {
+  description("Verify that GetParameter does not crash");
+  Return<void> ret = effect->getParameter(
+      hidl_vec<uint8_t>(), 0, [&](Result, const hidl_vec<uint8_t>&) {});
+  EXPECT_TRUE(ret.isOk());
+}
+
+TEST_F(AudioEffectHidlTest, GetSupportedConfigsForFeature) {
+  description("Verify that GetSupportedConfigsForFeature does not crash");
+  Return<void> ret = effect->getSupportedConfigsForFeature(
+      0, 0, 0, [&](Result, uint32_t, const hidl_vec<uint8_t>&) {});
+  EXPECT_TRUE(ret.isOk());
+}
+
+TEST_F(AudioEffectHidlTest, GetCurrentConfigForFeature) {
+  description("Verify that GetCurrentConfigForFeature does not crash");
+  Return<void> ret = effect->getCurrentConfigForFeature(
+      0, 0, [&](Result, const hidl_vec<uint8_t>&) {});
+  EXPECT_TRUE(ret.isOk());
+}
+
+TEST_F(AudioEffectHidlTest, SetCurrentConfigForFeature) {
+  description("Verify that SetCurrentConfigForFeature does not crash");
+  Return<Result> ret =
+      effect->setCurrentConfigForFeature(0, hidl_vec<uint8_t>());
+  EXPECT_TRUE(ret.isOk());
+}
+
+
+// The main test class for Equalizer Audio Effect HIDL HAL.
+class EqualizerAudioEffectHidlTest : public AudioEffectHidlTest {
+ public:
+  void SetUp() override {
+    AudioEffectHidlTest::SetUp();
+    equalizer = IEqualizerEffect::castFrom(effect);
+    ASSERT_NE(nullptr, equalizer.get());
+  }
+
+ protected:
+  Uuid getEffectType() override { return EQUALIZER_EFFECT_TYPE; }
+  void getNumBands(uint16_t* numBands);
+  void getLevelRange(int16_t* minLevel, int16_t* maxLevel);
+  void getBandFrequencyRange(uint16_t band, uint32_t* minFreq,
+                             uint32_t* centerFreq, uint32_t* maxFreq);
+  void getPresetCount(size_t* count);
+
+  sp<IEqualizerEffect> equalizer;
+};
+
+void EqualizerAudioEffectHidlTest::getNumBands(uint16_t* numBands) {
+  Result retval = Result::NOT_INITIALIZED;
+  Return<void> ret = equalizer->getNumBands([&](Result r, uint16_t b) {
+    retval = r;
+    if (retval == Result::OK) {
+      *numBands = b;
+    }
+  });
+  ASSERT_TRUE(ret.isOk());
+  ASSERT_EQ(Result::OK, retval);
+}
+
+void EqualizerAudioEffectHidlTest::getLevelRange(int16_t* minLevel,
+                                                 int16_t* maxLevel) {
+  Result retval = Result::NOT_INITIALIZED;
+  Return<void> ret =
+      equalizer->getLevelRange([&](Result r, int16_t min, int16_t max) {
+        retval = r;
+        if (retval == Result::OK) {
+          *minLevel = min;
+          *maxLevel = max;
+        }
+      });
+  ASSERT_TRUE(ret.isOk());
+  ASSERT_EQ(Result::OK, retval);
+}
+
+void EqualizerAudioEffectHidlTest::getBandFrequencyRange(uint16_t band,
+                                                         uint32_t* minFreq,
+                                                         uint32_t* centerFreq,
+                                                         uint32_t* maxFreq) {
+  Result retval = Result::NOT_INITIALIZED;
+  Return<void> ret = equalizer->getBandFrequencyRange(
+      band, [&](Result r, uint32_t min, uint32_t max) {
+        retval = r;
+        if (retval == Result::OK) {
+          *minFreq = min;
+          *maxFreq = max;
+        }
+      });
+  ASSERT_TRUE(ret.isOk());
+  ASSERT_EQ(Result::OK, retval);
+  ret = equalizer->getBandCenterFrequency(band, [&](Result r, uint32_t center) {
+    retval = r;
+    if (retval == Result::OK) {
+      *centerFreq = center;
+    }
+  });
+  ASSERT_TRUE(ret.isOk());
+  ASSERT_EQ(Result::OK, retval);
+}
+
+void EqualizerAudioEffectHidlTest::getPresetCount(size_t* count) {
+  Result retval = Result::NOT_INITIALIZED;
+  Return<void> ret = equalizer->getPresetNames(
+      [&](Result r, const hidl_vec<hidl_string>& names) {
+        retval = r;
+        if (retval == Result::OK) {
+          *count = names.size();
+        }
+      });
+  ASSERT_TRUE(ret.isOk());
+  ASSERT_EQ(Result::OK, retval);
+}
+
+TEST_F(EqualizerAudioEffectHidlTest, GetNumBands) {
+  description("Verify that Equalizer effect reports at least one band");
+  uint16_t numBands = 0;
+  getNumBands(&numBands);
+  EXPECT_GT(numBands, 0);
+}
+
+TEST_F(EqualizerAudioEffectHidlTest, GetLevelRange) {
+  description("Verify that Equalizer effect reports adequate band level range");
+  int16_t minLevel = 0x7fff, maxLevel = 0;
+  getLevelRange(&minLevel, &maxLevel);
+  EXPECT_GT(maxLevel, minLevel);
+}
+
+TEST_F(EqualizerAudioEffectHidlTest, GetSetBandLevel) {
+  description(
+      "Verify that manipulating band levels works for Equalizer effect");
+  uint16_t numBands = 0;
+  getNumBands(&numBands);
+  ASSERT_GT(numBands, 0);
+  int16_t levels[3]{0x7fff, 0, 0};
+  getLevelRange(&levels[0], &levels[2]);
+  ASSERT_GT(levels[2], levels[0]);
+  levels[1] = (levels[2] + levels[0]) / 2;
+  for (uint16_t i = 0; i < numBands; ++i) {
+    for (size_t j = 0; j < ARRAY_SIZE(levels); ++j) {
+      Return<Result> ret = equalizer->setBandLevel(i, levels[j]);
+      EXPECT_TRUE(ret.isOk());
+      EXPECT_EQ(Result::OK, ret);
+      Result retval = Result::NOT_INITIALIZED;
+      int16_t actualLevel;
+      Return<void> ret2 = equalizer->getBandLevel(i, [&](Result r, int16_t l) {
+        retval = r;
+        if (retval == Result::OK) {
+          actualLevel = l;
+        }
+      });
+      EXPECT_TRUE(ret2.isOk());
+      EXPECT_EQ(Result::OK, retval);
+      EXPECT_EQ(levels[j], actualLevel);
+    }
+  }
+}
+
+TEST_F(EqualizerAudioEffectHidlTest, GetBandCenterFrequencyAndRange) {
+  description(
+      "Verify that Equalizer effect reports adequate band frequency range");
+  uint16_t numBands = 0;
+  getNumBands(&numBands);
+  ASSERT_GT(numBands, 0);
+  for (uint16_t i = 0; i < numBands; ++i) {
+    uint32_t minFreq = 0xffffffff, centerFreq = 0xffffffff,
+             maxFreq = 0xffffffff;
+    getBandFrequencyRange(i, &minFreq, &centerFreq, &maxFreq);
+    // Note: NXP legacy implementation reports "1" as upper bound for last band,
+    // so this check fails.
+    EXPECT_GE(maxFreq, centerFreq);
+    EXPECT_GE(centerFreq, minFreq);
+  }
+}
+
+TEST_F(EqualizerAudioEffectHidlTest, GetBandForFrequency) {
+  description(
+      "Verify that Equalizer effect supports GetBandForFrequency correctly");
+  uint16_t numBands = 0;
+  getNumBands(&numBands);
+  ASSERT_GT(numBands, 0);
+  for (uint16_t i = 0; i < numBands; ++i) {
+    uint32_t freqs[3]{0, 0, 0};
+    getBandFrequencyRange(i, &freqs[0], &freqs[1], &freqs[2]);
+    // NXP legacy implementation reports "1" as upper bound for last band, some
+    // of the checks fail.
+    for (size_t j = 0; j < ARRAY_SIZE(freqs); ++j) {
+      if (j == 0) {
+        freqs[j]++;
+      }  // Min frequency is an open interval.
+      Result retval = Result::NOT_INITIALIZED;
+      uint16_t actualBand = numBands + 1;
+      Return<void> ret =
+          equalizer->getBandForFrequency(freqs[j], [&](Result r, uint16_t b) {
+            retval = r;
+            if (retval == Result::OK) {
+              actualBand = b;
+            }
+          });
+      EXPECT_TRUE(ret.isOk());
+      EXPECT_EQ(Result::OK, retval);
+      EXPECT_EQ(i, actualBand) << "Frequency: " << freqs[j];
+    }
+  }
+}
+
+TEST_F(EqualizerAudioEffectHidlTest, GetPresetNames) {
+  description("Verify that Equalizer effect reports at least one preset");
+  size_t presetCount;
+  getPresetCount(&presetCount);
+  EXPECT_GT(presetCount, 0u);
+}
+
+TEST_F(EqualizerAudioEffectHidlTest, GetSetCurrentPreset) {
+  description(
+      "Verify that manipulating the current preset for Equalizer effect");
+  size_t presetCount;
+  getPresetCount(&presetCount);
+  ASSERT_GT(presetCount, 0u);
+  for (uint16_t i = 0; i < presetCount; ++i) {
+    Return<Result> ret = equalizer->setCurrentPreset(i);
+    EXPECT_TRUE(ret.isOk());
+    EXPECT_EQ(Result::OK, ret);
+    Result retval = Result::NOT_INITIALIZED;
+    uint16_t actualPreset = 0xffff;
+    Return<void> ret2 = equalizer->getCurrentPreset([&](Result r, uint16_t p) {
+      retval = r;
+      if (retval == Result::OK) {
+        actualPreset = p;
+      }
+    });
+    EXPECT_TRUE(ret2.isOk());
+    EXPECT_EQ(Result::OK, retval);
+    EXPECT_EQ(i, actualPreset);
+  }
+}
+
+TEST_F(EqualizerAudioEffectHidlTest, GetSetAllProperties) {
+  description(
+      "Verify that setting band levels and presets works via Get / "
+      "SetAllProperties for Equalizer effect");
+  using AllProperties =
+      android::hardware::audio::effect::V4_0::IEqualizerEffect::AllProperties;
+  uint16_t numBands = 0;
+  getNumBands(&numBands);
+  ASSERT_GT(numBands, 0);
+  AllProperties props;
+  props.bandLevels.resize(numBands);
+  for (size_t i = 0; i < numBands; ++i) {
+    props.bandLevels[i] = 0;
+  }
+
+  AllProperties actualProps;
+  Result retval = Result::NOT_INITIALIZED;
+
+  // Verify setting of the band levels via properties.
+  props.curPreset = -1;
+  Return<Result> ret = equalizer->setAllProperties(props);
+  EXPECT_TRUE(ret.isOk());
+  EXPECT_EQ(Result::OK, ret);
+  Return<void> ret2 =
+      equalizer->getAllProperties([&](Result r, AllProperties p) {
+        retval = r;
+        if (retval == Result::OK) {
+          actualProps = p;
+        }
+      });
+  EXPECT_TRUE(ret2.isOk());
+  EXPECT_EQ(Result::OK, retval);
+  EXPECT_EQ(props.bandLevels, actualProps.bandLevels);
+
+  // Verify setting of the current preset via properties.
+  props.curPreset = 0;  // Assuming there is at least one preset.
+  ret = equalizer->setAllProperties(props);
+  EXPECT_TRUE(ret.isOk());
+  EXPECT_EQ(Result::OK, ret);
+  ret2 = equalizer->getAllProperties([&](Result r, AllProperties p) {
+    retval = r;
+    if (retval == Result::OK) {
+      actualProps = p;
+    }
+  });
+  EXPECT_TRUE(ret2.isOk());
+  EXPECT_EQ(Result::OK, retval);
+  EXPECT_EQ(props.curPreset, actualProps.curPreset);
+}
+
+// The main test class for Equalizer Audio Effect HIDL HAL.
+class LoudnessEnhancerAudioEffectHidlTest : public AudioEffectHidlTest {
+ public:
+  void SetUp() override {
+    AudioEffectHidlTest::SetUp();
+    enhancer = ILoudnessEnhancerEffect::castFrom(effect);
+    ASSERT_NE(nullptr, enhancer.get());
+  }
+
+ protected:
+  Uuid getEffectType() override { return LOUDNESS_ENHANCER_EFFECT_TYPE; }
+
+  sp<ILoudnessEnhancerEffect> enhancer;
+};
+
+TEST_F(LoudnessEnhancerAudioEffectHidlTest, GetSetTargetGain) {
+  description(
+      "Verify that manipulating the target gain works for Loudness Enhancer "
+      "effect");
+  const int32_t gain = 100;
+  Return<Result> ret = enhancer->setTargetGain(gain);
+  EXPECT_TRUE(ret.isOk());
+  EXPECT_EQ(Result::OK, ret);
+  int32_t actualGain = 0;
+  Result retval;
+  Return<void> ret2 = enhancer->getTargetGain([&](Result r, int32_t g) {
+    retval = r;
+    if (retval == Result::OK) {
+      actualGain = g;
+    }
+  });
+  EXPECT_TRUE(ret2.isOk());
+  EXPECT_EQ(Result::OK, retval);
+  EXPECT_EQ(gain, actualGain);
+}
+
+int main(int argc, char** argv) {
+    ::testing::AddGlobalTestEnvironment(AudioEffectsFactoryHidlEnvironment::Instance());
+    ::testing::InitGoogleTest(&argc, argv);
+    AudioEffectsFactoryHidlEnvironment::Instance()->init(&argc, argv);
+    int status = RUN_ALL_TESTS();
+    LOG(INFO) << "Test result = " << status;
+    return status;
+}
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/AcousticEchoCancelerEffect.h b/audio/effect/all-versions/default/include/effect/all-versions/default/AcousticEchoCancelerEffect.h
index b63f2fb..852cb3f 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/AcousticEchoCancelerEffect.h
+++ b/audio/effect/all-versions/default/include/effect/all-versions/default/AcousticEchoCancelerEffect.h
@@ -20,6 +20,8 @@
 
 #include <hidl/MQDescriptor.h>
 
+#include "VersionUtils.h"
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -46,7 +48,7 @@
     Return<Result> reset() override;
     Return<Result> enable() override;
     Return<Result> disable() override;
-    Return<Result> setDevice(AudioDevice device) override;
+    Return<Result> setDevice(AudioDeviceBitfield device) override;
     Return<void> setAndGetVolume(const hidl_vec<uint32_t>& volumes,
                                  setAndGetVolume_cb _hidl_cb) override;
     Return<Result> volumeChangeNotification(const hidl_vec<uint32_t>& volumes) override;
@@ -54,7 +56,7 @@
     Return<Result> setConfigReverse(
         const EffectConfig& config, const sp<IEffectBufferProviderCallback>& inputBufferProvider,
         const sp<IEffectBufferProviderCallback>& outputBufferProvider) override;
-    Return<Result> setInputDevice(AudioDevice device) override;
+    Return<Result> setInputDevice(AudioDeviceBitfield device) override;
     Return<void> getConfig(getConfig_cb _hidl_cb) override;
     Return<void> getConfigReverse(getConfigReverse_cb _hidl_cb) override;
     Return<void> getSupportedAuxChannelsConfigs(
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/AcousticEchoCancelerEffect.impl.h b/audio/effect/all-versions/default/include/effect/all-versions/default/AcousticEchoCancelerEffect.impl.h
index bee3607..8ad80a2 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/AcousticEchoCancelerEffect.impl.h
+++ b/audio/effect/all-versions/default/include/effect/all-versions/default/AcousticEchoCancelerEffect.impl.h
@@ -19,6 +19,8 @@
 #include <android/log.h>
 #include <system/audio_effects/effect_aec.h>
 
+#include "VersionUtils.h"
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -54,7 +56,7 @@
     return mEffect->disable();
 }
 
-Return<Result> AcousticEchoCancelerEffect::setDevice(AudioDevice device) {
+Return<Result> AcousticEchoCancelerEffect::setDevice(AudioDeviceBitfield device) {
     return mEffect->setDevice(device);
 }
 
@@ -78,7 +80,7 @@
     return mEffect->setConfigReverse(config, inputBufferProvider, outputBufferProvider);
 }
 
-Return<Result> AcousticEchoCancelerEffect::setInputDevice(AudioDevice device) {
+Return<Result> AcousticEchoCancelerEffect::setInputDevice(AudioDeviceBitfield device) {
     return mEffect->setInputDevice(device);
 }
 
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/AutomaticGainControlEffect.h b/audio/effect/all-versions/default/include/effect/all-versions/default/AutomaticGainControlEffect.h
index 941f45d..5ac43eb 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/AutomaticGainControlEffect.h
+++ b/audio/effect/all-versions/default/include/effect/all-versions/default/AutomaticGainControlEffect.h
@@ -22,6 +22,8 @@
 
 #include <hidl/MQDescriptor.h>
 
+#include "VersionUtils.h"
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -48,7 +50,7 @@
     Return<Result> reset() override;
     Return<Result> enable() override;
     Return<Result> disable() override;
-    Return<Result> setDevice(AudioDevice device) override;
+    Return<Result> setDevice(AudioDeviceBitfield device) override;
     Return<void> setAndGetVolume(const hidl_vec<uint32_t>& volumes,
                                  setAndGetVolume_cb _hidl_cb) override;
     Return<Result> volumeChangeNotification(const hidl_vec<uint32_t>& volumes) override;
@@ -56,7 +58,7 @@
     Return<Result> setConfigReverse(
         const EffectConfig& config, const sp<IEffectBufferProviderCallback>& inputBufferProvider,
         const sp<IEffectBufferProviderCallback>& outputBufferProvider) override;
-    Return<Result> setInputDevice(AudioDevice device) override;
+    Return<Result> setInputDevice(AudioDeviceBitfield device) override;
     Return<void> getConfig(getConfig_cb _hidl_cb) override;
     Return<void> getConfigReverse(getConfigReverse_cb _hidl_cb) override;
     Return<void> getSupportedAuxChannelsConfigs(
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/AutomaticGainControlEffect.impl.h b/audio/effect/all-versions/default/include/effect/all-versions/default/AutomaticGainControlEffect.impl.h
index af05d9b..e2e751e 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/AutomaticGainControlEffect.impl.h
+++ b/audio/effect/all-versions/default/include/effect/all-versions/default/AutomaticGainControlEffect.impl.h
@@ -18,6 +18,8 @@
 
 #include <android/log.h>
 
+#include "VersionUtils.h"
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -67,7 +69,7 @@
     return mEffect->disable();
 }
 
-Return<Result> AutomaticGainControlEffect::setDevice(AudioDevice device) {
+Return<Result> AutomaticGainControlEffect::setDevice(AudioDeviceBitfield device) {
     return mEffect->setDevice(device);
 }
 
@@ -91,7 +93,7 @@
     return mEffect->setConfigReverse(config, inputBufferProvider, outputBufferProvider);
 }
 
-Return<Result> AutomaticGainControlEffect::setInputDevice(AudioDevice device) {
+Return<Result> AutomaticGainControlEffect::setInputDevice(AudioDeviceBitfield device) {
     return mEffect->setInputDevice(device);
 }
 
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/BassBoostEffect.h b/audio/effect/all-versions/default/include/effect/all-versions/default/BassBoostEffect.h
index 0092621..29173dd 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/BassBoostEffect.h
+++ b/audio/effect/all-versions/default/include/effect/all-versions/default/BassBoostEffect.h
@@ -20,6 +20,8 @@
 
 #include <hidl/MQDescriptor.h>
 
+#include "VersionUtils.h"
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -46,7 +48,7 @@
     Return<Result> reset() override;
     Return<Result> enable() override;
     Return<Result> disable() override;
-    Return<Result> setDevice(AudioDevice device) override;
+    Return<Result> setDevice(AudioDeviceBitfield device) override;
     Return<void> setAndGetVolume(const hidl_vec<uint32_t>& volumes,
                                  setAndGetVolume_cb _hidl_cb) override;
     Return<Result> volumeChangeNotification(const hidl_vec<uint32_t>& volumes) override;
@@ -54,7 +56,7 @@
     Return<Result> setConfigReverse(
         const EffectConfig& config, const sp<IEffectBufferProviderCallback>& inputBufferProvider,
         const sp<IEffectBufferProviderCallback>& outputBufferProvider) override;
-    Return<Result> setInputDevice(AudioDevice device) override;
+    Return<Result> setInputDevice(AudioDeviceBitfield device) override;
     Return<void> getConfig(getConfig_cb _hidl_cb) override;
     Return<void> getConfigReverse(getConfigReverse_cb _hidl_cb) override;
     Return<void> getSupportedAuxChannelsConfigs(
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/BassBoostEffect.impl.h b/audio/effect/all-versions/default/include/effect/all-versions/default/BassBoostEffect.impl.h
index 1fc8d1b..7bcb4a3 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/BassBoostEffect.impl.h
+++ b/audio/effect/all-versions/default/include/effect/all-versions/default/BassBoostEffect.impl.h
@@ -19,6 +19,8 @@
 #include <android/log.h>
 #include <system/audio_effects/effect_bassboost.h>
 
+#include "VersionUtils.h"
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -53,7 +55,7 @@
     return mEffect->disable();
 }
 
-Return<Result> BassBoostEffect::setDevice(AudioDevice device) {
+Return<Result> BassBoostEffect::setDevice(AudioDeviceBitfield device) {
     return mEffect->setDevice(device);
 }
 
@@ -76,7 +78,7 @@
     return mEffect->setConfigReverse(config, inputBufferProvider, outputBufferProvider);
 }
 
-Return<Result> BassBoostEffect::setInputDevice(AudioDevice device) {
+Return<Result> BassBoostEffect::setInputDevice(AudioDeviceBitfield device) {
     return mEffect->setInputDevice(device);
 }
 
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/DownmixEffect.h b/audio/effect/all-versions/default/include/effect/all-versions/default/DownmixEffect.h
index e461ca8..3e3aa78 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/DownmixEffect.h
+++ b/audio/effect/all-versions/default/include/effect/all-versions/default/DownmixEffect.h
@@ -20,6 +20,8 @@
 
 #include <hidl/MQDescriptor.h>
 
+#include "VersionUtils.h"
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -46,7 +48,7 @@
     Return<Result> reset() override;
     Return<Result> enable() override;
     Return<Result> disable() override;
-    Return<Result> setDevice(AudioDevice device) override;
+    Return<Result> setDevice(AudioDeviceBitfield device) override;
     Return<void> setAndGetVolume(const hidl_vec<uint32_t>& volumes,
                                  setAndGetVolume_cb _hidl_cb) override;
     Return<Result> volumeChangeNotification(const hidl_vec<uint32_t>& volumes) override;
@@ -54,7 +56,7 @@
     Return<Result> setConfigReverse(
         const EffectConfig& config, const sp<IEffectBufferProviderCallback>& inputBufferProvider,
         const sp<IEffectBufferProviderCallback>& outputBufferProvider) override;
-    Return<Result> setInputDevice(AudioDevice device) override;
+    Return<Result> setInputDevice(AudioDeviceBitfield device) override;
     Return<void> getConfig(getConfig_cb _hidl_cb) override;
     Return<void> getConfigReverse(getConfigReverse_cb _hidl_cb) override;
     Return<void> getSupportedAuxChannelsConfigs(
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/DownmixEffect.impl.h b/audio/effect/all-versions/default/include/effect/all-versions/default/DownmixEffect.impl.h
index 98710f8..abef10e 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/DownmixEffect.impl.h
+++ b/audio/effect/all-versions/default/include/effect/all-versions/default/DownmixEffect.impl.h
@@ -19,6 +19,8 @@
 #include <android/log.h>
 #include <system/audio_effects/effect_downmix.h>
 
+#include "VersionUtils.h"
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -53,7 +55,7 @@
     return mEffect->disable();
 }
 
-Return<Result> DownmixEffect::setDevice(AudioDevice device) {
+Return<Result> DownmixEffect::setDevice(AudioDeviceBitfield device) {
     return mEffect->setDevice(device);
 }
 
@@ -76,7 +78,7 @@
     return mEffect->setConfigReverse(config, inputBufferProvider, outputBufferProvider);
 }
 
-Return<Result> DownmixEffect::setInputDevice(AudioDevice device) {
+Return<Result> DownmixEffect::setInputDevice(AudioDeviceBitfield device) {
     return mEffect->setInputDevice(device);
 }
 
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/Effect.h b/audio/effect/all-versions/default/include/effect/all-versions/default/Effect.h
index 81b0b24..b546e0e 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/Effect.h
+++ b/audio/effect/all-versions/default/include/effect/all-versions/default/Effect.h
@@ -28,6 +28,8 @@
 
 #include <hardware/audio_effect.h>
 
+#include "VersionUtils.h"
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -39,6 +41,7 @@
 using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioMode;
 using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioSource;
 using ::android::hardware::audio::common::AUDIO_HAL_VERSION::Uuid;
+using ::android::hardware::audio::common::AUDIO_HAL_VERSION::implementation::AudioDeviceBitfield;
 using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::AudioBuffer;
 using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::EffectAuxChannelsConfig;
 using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::EffectConfig;
@@ -69,7 +72,7 @@
     Return<Result> reset() override;
     Return<Result> enable() override;
     Return<Result> disable() override;
-    Return<Result> setDevice(AudioDevice device) override;
+    Return<Result> setDevice(AudioDeviceBitfield device) override;
     Return<void> setAndGetVolume(const hidl_vec<uint32_t>& volumes,
                                  setAndGetVolume_cb _hidl_cb) override;
     Return<Result> volumeChangeNotification(const hidl_vec<uint32_t>& volumes) override;
@@ -77,7 +80,7 @@
     Return<Result> setConfigReverse(
         const EffectConfig& config, const sp<IEffectBufferProviderCallback>& inputBufferProvider,
         const sp<IEffectBufferProviderCallback>& outputBufferProvider) override;
-    Return<Result> setInputDevice(AudioDevice device) override;
+    Return<Result> setInputDevice(AudioDeviceBitfield device) override;
     Return<void> getConfig(getConfig_cb _hidl_cb) override;
     Return<void> getConfigReverse(getConfigReverse_cb _hidl_cb) override;
     Return<void> getSupportedAuxChannelsConfigs(
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/Effect.impl.h b/audio/effect/all-versions/default/include/effect/all-versions/default/Effect.impl.h
index d376146..61c9805 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/Effect.impl.h
+++ b/audio/effect/all-versions/default/include/effect/all-versions/default/Effect.impl.h
@@ -24,6 +24,8 @@
 #include <media/EffectsFactoryApi.h>
 #include <utils/Trace.h>
 
+#include "VersionUtils.h"
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -33,6 +35,7 @@
 
 using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioChannelMask;
 using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioFormat;
+using ::android::hardware::audio::common::AUDIO_HAL_VERSION::implementation::AudioChannelBitfield;
 using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::MessageQueueFlagBits;
 
 namespace {
@@ -174,8 +177,8 @@
 // static
 void Effect::effectAuxChannelsConfigFromHal(const channel_config_t& halConfig,
                                             EffectAuxChannelsConfig* config) {
-    config->mainChannels = AudioChannelMask(halConfig.main_channels);
-    config->auxChannels = AudioChannelMask(halConfig.aux_channels);
+    config->mainChannels = AudioChannelBitfield(halConfig.main_channels);
+    config->auxChannels = AudioChannelBitfield(halConfig.aux_channels);
 }
 
 // static
@@ -191,10 +194,10 @@
     config->buffer.id = 0;
     config->buffer.frameCount = 0;
     config->samplingRateHz = halConfig.samplingRate;
-    config->channels = AudioChannelMask(halConfig.channels);
+    config->channels = AudioChannelBitfield(halConfig.channels);
     config->format = AudioFormat(halConfig.format);
     config->accessMode = EffectBufferAccess(halConfig.accessMode);
-    config->mask = EffectConfigParameters(halConfig.mask);
+    config->mask = static_cast<decltype(config->mask)>(halConfig.mask);
 }
 
 // static
@@ -500,7 +503,7 @@
     return sendCommandReturningStatus(EFFECT_CMD_DISABLE, "DISABLE");
 }
 
-Return<Result> Effect::setDevice(AudioDevice device) {
+Return<Result> Effect::setDevice(AudioDeviceBitfield device) {
     uint32_t halDevice = static_cast<uint32_t>(device);
     return sendCommand(EFFECT_CMD_SET_DEVICE, "SET_DEVICE", sizeof(uint32_t), &halDevice);
 }
@@ -539,7 +542,7 @@
                          inputBufferProvider, outputBufferProvider);
 }
 
-Return<Result> Effect::setInputDevice(AudioDevice device) {
+Return<Result> Effect::setInputDevice(AudioDeviceBitfield device) {
     uint32_t halDevice = static_cast<uint32_t>(device);
     return sendCommand(EFFECT_CMD_SET_INPUT_DEVICE, "SET_INPUT_DEVICE", sizeof(uint32_t),
                        &halDevice);
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/EffectsFactory.h b/audio/effect/all-versions/default/include/effect/all-versions/default/EffectsFactory.h
index e586abb..313c8c2 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/EffectsFactory.h
+++ b/audio/effect/all-versions/default/include/effect/all-versions/default/EffectsFactory.h
@@ -46,7 +46,7 @@
     Return<void> getDescriptor(const Uuid& uid, getDescriptor_cb _hidl_cb) override;
     Return<void> createEffect(const Uuid& uid, int32_t session, int32_t ioHandle,
                               createEffect_cb _hidl_cb) override;
-    Return<void> debugDump(const hidl_handle& fd) override;
+    Return<void> debugDump(const hidl_handle& fd);
 
    private:
     static sp<IEffect> dispatchEffectInstanceCreation(const effect_descriptor_t& halDescriptor,
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/EnvironmentalReverbEffect.h b/audio/effect/all-versions/default/include/effect/all-versions/default/EnvironmentalReverbEffect.h
index 8351e55..d2f8cc3 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/EnvironmentalReverbEffect.h
+++ b/audio/effect/all-versions/default/include/effect/all-versions/default/EnvironmentalReverbEffect.h
@@ -22,6 +22,8 @@
 
 #include <hidl/MQDescriptor.h>
 
+#include "VersionUtils.h"
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -58,7 +60,7 @@
     Return<Result> reset() override;
     Return<Result> enable() override;
     Return<Result> disable() override;
-    Return<Result> setDevice(AudioDevice device) override;
+    Return<Result> setDevice(AudioDeviceBitfield device) override;
     Return<void> setAndGetVolume(const hidl_vec<uint32_t>& volumes,
                                  setAndGetVolume_cb _hidl_cb) override;
     Return<Result> volumeChangeNotification(const hidl_vec<uint32_t>& volumes) override;
@@ -66,7 +68,7 @@
     Return<Result> setConfigReverse(
         const EffectConfig& config, const sp<IEffectBufferProviderCallback>& inputBufferProvider,
         const sp<IEffectBufferProviderCallback>& outputBufferProvider) override;
-    Return<Result> setInputDevice(AudioDevice device) override;
+    Return<Result> setInputDevice(AudioDeviceBitfield device) override;
     Return<void> getConfig(getConfig_cb _hidl_cb) override;
     Return<void> getConfigReverse(getConfigReverse_cb _hidl_cb) override;
     Return<void> getSupportedAuxChannelsConfigs(
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/EnvironmentalReverbEffect.impl.h b/audio/effect/all-versions/default/include/effect/all-versions/default/EnvironmentalReverbEffect.impl.h
index 9090b8a..39a4092 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/EnvironmentalReverbEffect.impl.h
+++ b/audio/effect/all-versions/default/include/effect/all-versions/default/EnvironmentalReverbEffect.impl.h
@@ -18,6 +18,8 @@
 
 #include <android/log.h>
 
+#include "VersionUtils.h"
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -81,7 +83,7 @@
     return mEffect->disable();
 }
 
-Return<Result> EnvironmentalReverbEffect::setDevice(AudioDevice device) {
+Return<Result> EnvironmentalReverbEffect::setDevice(AudioDeviceBitfield device) {
     return mEffect->setDevice(device);
 }
 
@@ -105,7 +107,7 @@
     return mEffect->setConfigReverse(config, inputBufferProvider, outputBufferProvider);
 }
 
-Return<Result> EnvironmentalReverbEffect::setInputDevice(AudioDevice device) {
+Return<Result> EnvironmentalReverbEffect::setInputDevice(AudioDeviceBitfield device) {
     return mEffect->setInputDevice(device);
 }
 
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/EqualizerEffect.h b/audio/effect/all-versions/default/include/effect/all-versions/default/EqualizerEffect.h
index c2b8ef8..de52052 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/EqualizerEffect.h
+++ b/audio/effect/all-versions/default/include/effect/all-versions/default/EqualizerEffect.h
@@ -24,6 +24,8 @@
 
 #include <hidl/MQDescriptor.h>
 
+#include "VersionUtils.h"
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -60,7 +62,7 @@
     Return<Result> reset() override;
     Return<Result> enable() override;
     Return<Result> disable() override;
-    Return<Result> setDevice(AudioDevice device) override;
+    Return<Result> setDevice(AudioDeviceBitfield device) override;
     Return<void> setAndGetVolume(const hidl_vec<uint32_t>& volumes,
                                  setAndGetVolume_cb _hidl_cb) override;
     Return<Result> volumeChangeNotification(const hidl_vec<uint32_t>& volumes) override;
@@ -68,7 +70,7 @@
     Return<Result> setConfigReverse(
         const EffectConfig& config, const sp<IEffectBufferProviderCallback>& inputBufferProvider,
         const sp<IEffectBufferProviderCallback>& outputBufferProvider) override;
-    Return<Result> setInputDevice(AudioDevice device) override;
+    Return<Result> setInputDevice(AudioDeviceBitfield device) override;
     Return<void> getConfig(getConfig_cb _hidl_cb) override;
     Return<void> getConfigReverse(getConfigReverse_cb _hidl_cb) override;
     Return<void> getSupportedAuxChannelsConfigs(
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/EqualizerEffect.impl.h b/audio/effect/all-versions/default/include/effect/all-versions/default/EqualizerEffect.impl.h
index 78485e4..db6bed8 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/EqualizerEffect.impl.h
+++ b/audio/effect/all-versions/default/include/effect/all-versions/default/EqualizerEffect.impl.h
@@ -20,6 +20,8 @@
 
 #include <android/log.h>
 
+#include "VersionUtils.h"
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -76,7 +78,7 @@
     return mEffect->disable();
 }
 
-Return<Result> EqualizerEffect::setDevice(AudioDevice device) {
+Return<Result> EqualizerEffect::setDevice(AudioDeviceBitfield device) {
     return mEffect->setDevice(device);
 }
 
@@ -99,7 +101,7 @@
     return mEffect->setConfigReverse(config, inputBufferProvider, outputBufferProvider);
 }
 
-Return<Result> EqualizerEffect::setInputDevice(AudioDevice device) {
+Return<Result> EqualizerEffect::setInputDevice(AudioDeviceBitfield device) {
     return mEffect->setInputDevice(device);
 }
 
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/LoudnessEnhancerEffect.h b/audio/effect/all-versions/default/include/effect/all-versions/default/LoudnessEnhancerEffect.h
index e4f1bd5..b59b077 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/LoudnessEnhancerEffect.h
+++ b/audio/effect/all-versions/default/include/effect/all-versions/default/LoudnessEnhancerEffect.h
@@ -20,6 +20,8 @@
 
 #include <hidl/MQDescriptor.h>
 
+#include "VersionUtils.h"
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -56,7 +58,7 @@
     Return<Result> reset() override;
     Return<Result> enable() override;
     Return<Result> disable() override;
-    Return<Result> setDevice(AudioDevice device) override;
+    Return<Result> setDevice(AudioDeviceBitfield device) override;
     Return<void> setAndGetVolume(const hidl_vec<uint32_t>& volumes,
                                  setAndGetVolume_cb _hidl_cb) override;
     Return<Result> volumeChangeNotification(const hidl_vec<uint32_t>& volumes) override;
@@ -64,7 +66,7 @@
     Return<Result> setConfigReverse(
         const EffectConfig& config, const sp<IEffectBufferProviderCallback>& inputBufferProvider,
         const sp<IEffectBufferProviderCallback>& outputBufferProvider) override;
-    Return<Result> setInputDevice(AudioDevice device) override;
+    Return<Result> setInputDevice(AudioDeviceBitfield device) override;
     Return<void> getConfig(getConfig_cb _hidl_cb) override;
     Return<void> getConfigReverse(getConfigReverse_cb _hidl_cb) override;
     Return<void> getSupportedAuxChannelsConfigs(
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/LoudnessEnhancerEffect.impl.h b/audio/effect/all-versions/default/include/effect/all-versions/default/LoudnessEnhancerEffect.impl.h
index 3f4f379..88210e9 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/LoudnessEnhancerEffect.impl.h
+++ b/audio/effect/all-versions/default/include/effect/all-versions/default/LoudnessEnhancerEffect.impl.h
@@ -21,6 +21,8 @@
 #include <android/log.h>
 #include <system/audio_effects/effect_aec.h>
 
+#include "VersionUtils.h"
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -56,7 +58,7 @@
     return mEffect->disable();
 }
 
-Return<Result> LoudnessEnhancerEffect::setDevice(AudioDevice device) {
+Return<Result> LoudnessEnhancerEffect::setDevice(AudioDeviceBitfield device) {
     return mEffect->setDevice(device);
 }
 
@@ -79,7 +81,7 @@
     return mEffect->setConfigReverse(config, inputBufferProvider, outputBufferProvider);
 }
 
-Return<Result> LoudnessEnhancerEffect::setInputDevice(AudioDevice device) {
+Return<Result> LoudnessEnhancerEffect::setInputDevice(AudioDeviceBitfield device) {
     return mEffect->setInputDevice(device);
 }
 
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/NoiseSuppressionEffect.h b/audio/effect/all-versions/default/include/effect/all-versions/default/NoiseSuppressionEffect.h
index 7b64ba0..af1635b 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/NoiseSuppressionEffect.h
+++ b/audio/effect/all-versions/default/include/effect/all-versions/default/NoiseSuppressionEffect.h
@@ -22,6 +22,8 @@
 
 #include <hidl/MQDescriptor.h>
 
+#include "VersionUtils.h"
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -58,7 +60,7 @@
     Return<Result> reset() override;
     Return<Result> enable() override;
     Return<Result> disable() override;
-    Return<Result> setDevice(AudioDevice device) override;
+    Return<Result> setDevice(AudioDeviceBitfield device) override;
     Return<void> setAndGetVolume(const hidl_vec<uint32_t>& volumes,
                                  setAndGetVolume_cb _hidl_cb) override;
     Return<Result> volumeChangeNotification(const hidl_vec<uint32_t>& volumes) override;
@@ -66,7 +68,7 @@
     Return<Result> setConfigReverse(
         const EffectConfig& config, const sp<IEffectBufferProviderCallback>& inputBufferProvider,
         const sp<IEffectBufferProviderCallback>& outputBufferProvider) override;
-    Return<Result> setInputDevice(AudioDevice device) override;
+    Return<Result> setInputDevice(AudioDeviceBitfield device) override;
     Return<void> getConfig(getConfig_cb _hidl_cb) override;
     Return<void> getConfigReverse(getConfigReverse_cb _hidl_cb) override;
     Return<void> getSupportedAuxChannelsConfigs(
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/NoiseSuppressionEffect.impl.h b/audio/effect/all-versions/default/include/effect/all-versions/default/NoiseSuppressionEffect.impl.h
index e5fc454..f32399c 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/NoiseSuppressionEffect.impl.h
+++ b/audio/effect/all-versions/default/include/effect/all-versions/default/NoiseSuppressionEffect.impl.h
@@ -18,6 +18,8 @@
 
 #include <android/log.h>
 
+#include "VersionUtils.h"
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -65,7 +67,7 @@
     return mEffect->disable();
 }
 
-Return<Result> NoiseSuppressionEffect::setDevice(AudioDevice device) {
+Return<Result> NoiseSuppressionEffect::setDevice(AudioDeviceBitfield device) {
     return mEffect->setDevice(device);
 }
 
@@ -88,7 +90,7 @@
     return mEffect->setConfigReverse(config, inputBufferProvider, outputBufferProvider);
 }
 
-Return<Result> NoiseSuppressionEffect::setInputDevice(AudioDevice device) {
+Return<Result> NoiseSuppressionEffect::setInputDevice(AudioDeviceBitfield device) {
     return mEffect->setInputDevice(device);
 }
 
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/PresetReverbEffect.h b/audio/effect/all-versions/default/include/effect/all-versions/default/PresetReverbEffect.h
index 3114acd..1a91ab4 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/PresetReverbEffect.h
+++ b/audio/effect/all-versions/default/include/effect/all-versions/default/PresetReverbEffect.h
@@ -20,6 +20,8 @@
 
 #include <hidl/MQDescriptor.h>
 
+#include "VersionUtils.h"
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -56,7 +58,7 @@
     Return<Result> reset() override;
     Return<Result> enable() override;
     Return<Result> disable() override;
-    Return<Result> setDevice(AudioDevice device) override;
+    Return<Result> setDevice(AudioDeviceBitfield device) override;
     Return<void> setAndGetVolume(const hidl_vec<uint32_t>& volumes,
                                  setAndGetVolume_cb _hidl_cb) override;
     Return<Result> volumeChangeNotification(const hidl_vec<uint32_t>& volumes) override;
@@ -64,7 +66,7 @@
     Return<Result> setConfigReverse(
         const EffectConfig& config, const sp<IEffectBufferProviderCallback>& inputBufferProvider,
         const sp<IEffectBufferProviderCallback>& outputBufferProvider) override;
-    Return<Result> setInputDevice(AudioDevice device) override;
+    Return<Result> setInputDevice(AudioDeviceBitfield device) override;
     Return<void> getConfig(getConfig_cb _hidl_cb) override;
     Return<void> getConfigReverse(getConfigReverse_cb _hidl_cb) override;
     Return<void> getSupportedAuxChannelsConfigs(
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/PresetReverbEffect.impl.h b/audio/effect/all-versions/default/include/effect/all-versions/default/PresetReverbEffect.impl.h
index 32198d5..eab68fb 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/PresetReverbEffect.impl.h
+++ b/audio/effect/all-versions/default/include/effect/all-versions/default/PresetReverbEffect.impl.h
@@ -19,6 +19,8 @@
 #include <android/log.h>
 #include <system/audio_effects/effect_presetreverb.h>
 
+#include "VersionUtils.h"
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -53,7 +55,7 @@
     return mEffect->disable();
 }
 
-Return<Result> PresetReverbEffect::setDevice(AudioDevice device) {
+Return<Result> PresetReverbEffect::setDevice(AudioDeviceBitfield device) {
     return mEffect->setDevice(device);
 }
 
@@ -76,7 +78,7 @@
     return mEffect->setConfigReverse(config, inputBufferProvider, outputBufferProvider);
 }
 
-Return<Result> PresetReverbEffect::setInputDevice(AudioDevice device) {
+Return<Result> PresetReverbEffect::setInputDevice(AudioDeviceBitfield device) {
     return mEffect->setInputDevice(device);
 }
 
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/VirtualizerEffect.h b/audio/effect/all-versions/default/include/effect/all-versions/default/VirtualizerEffect.h
index 3715894..c0d5a00 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/VirtualizerEffect.h
+++ b/audio/effect/all-versions/default/include/effect/all-versions/default/VirtualizerEffect.h
@@ -20,6 +20,8 @@
 
 #include <hidl/MQDescriptor.h>
 
+#include "VersionUtils.h"
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -31,6 +33,7 @@
 using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioDevice;
 using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioMode;
 using ::android::hardware::audio::common::AUDIO_HAL_VERSION::AudioSource;
+using ::android::hardware::audio::common::AUDIO_HAL_VERSION::implementation::AudioChannelBitfield;
 using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::AudioBuffer;
 using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::EffectAuxChannelsConfig;
 using ::android::hardware::audio::effect::AUDIO_HAL_VERSION::EffectConfig;
@@ -57,7 +60,7 @@
     Return<Result> reset() override;
     Return<Result> enable() override;
     Return<Result> disable() override;
-    Return<Result> setDevice(AudioDevice device) override;
+    Return<Result> setDevice(AudioDeviceBitfield device) override;
     Return<void> setAndGetVolume(const hidl_vec<uint32_t>& volumes,
                                  setAndGetVolume_cb _hidl_cb) override;
     Return<Result> volumeChangeNotification(const hidl_vec<uint32_t>& volumes) override;
@@ -65,7 +68,7 @@
     Return<Result> setConfigReverse(
         const EffectConfig& config, const sp<IEffectBufferProviderCallback>& inputBufferProvider,
         const sp<IEffectBufferProviderCallback>& outputBufferProvider) override;
-    Return<Result> setInputDevice(AudioDevice device) override;
+    Return<Result> setInputDevice(AudioDeviceBitfield device) override;
     Return<void> getConfig(getConfig_cb _hidl_cb) override;
     Return<void> getConfigReverse(getConfigReverse_cb _hidl_cb) override;
     Return<void> getSupportedAuxChannelsConfigs(
@@ -98,7 +101,7 @@
     Return<bool> isStrengthSupported() override;
     Return<Result> setStrength(uint16_t strength) override;
     Return<void> getStrength(getStrength_cb _hidl_cb) override;
-    Return<void> getVirtualSpeakerAngles(AudioChannelMask mask, AudioDevice device,
+    Return<void> getVirtualSpeakerAngles(AudioChannelBitfield mask, AudioDevice device,
                                          getVirtualSpeakerAngles_cb _hidl_cb) override;
     Return<Result> forceVirtualizationMode(AudioDevice device) override;
     Return<void> getVirtualizationMode(getVirtualizationMode_cb _hidl_cb) override;
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/VirtualizerEffect.impl.h b/audio/effect/all-versions/default/include/effect/all-versions/default/VirtualizerEffect.impl.h
index 6fb8005..23b09a89 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/VirtualizerEffect.impl.h
+++ b/audio/effect/all-versions/default/include/effect/all-versions/default/VirtualizerEffect.impl.h
@@ -21,6 +21,8 @@
 #include <android/log.h>
 #include <system/audio_effects/effect_virtualizer.h>
 
+#include "VersionUtils.h"
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -36,7 +38,7 @@
                                              hidl_vec<SpeakerAngle>& speakerAngles) {
     speakerAngles.resize(channelCount);
     for (uint32_t i = 0; i < channelCount; ++i) {
-        speakerAngles[i].mask = AudioChannelMask(*halAngles++);
+        speakerAngles[i].mask = AudioChannelBitfield(*halAngles++);
         speakerAngles[i].azimuth = *halAngles++;
         speakerAngles[i].elevation = *halAngles++;
     }
@@ -65,7 +67,7 @@
     return mEffect->disable();
 }
 
-Return<Result> VirtualizerEffect::setDevice(AudioDevice device) {
+Return<Result> VirtualizerEffect::setDevice(AudioDeviceBitfield device) {
     return mEffect->setDevice(device);
 }
 
@@ -88,7 +90,7 @@
     return mEffect->setConfigReverse(config, inputBufferProvider, outputBufferProvider);
 }
 
-Return<Result> VirtualizerEffect::setInputDevice(AudioDevice device) {
+Return<Result> VirtualizerEffect::setInputDevice(AudioDeviceBitfield device) {
     return mEffect->setInputDevice(device);
 }
 
@@ -184,7 +186,8 @@
     return mEffect->getIntegerParam(VIRTUALIZER_PARAM_STRENGTH, _hidl_cb);
 }
 
-Return<void> VirtualizerEffect::getVirtualSpeakerAngles(AudioChannelMask mask, AudioDevice device,
+Return<void> VirtualizerEffect::getVirtualSpeakerAngles(AudioChannelBitfield mask,
+                                                        AudioDevice device,
                                                         getVirtualSpeakerAngles_cb _hidl_cb) {
     uint32_t channelCount =
         audio_channel_count_from_out_mask(static_cast<audio_channel_mask_t>(mask));
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/VisualizerEffect.h b/audio/effect/all-versions/default/include/effect/all-versions/default/VisualizerEffect.h
index 8050221..114d3b7 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/VisualizerEffect.h
+++ b/audio/effect/all-versions/default/include/effect/all-versions/default/VisualizerEffect.h
@@ -20,6 +20,8 @@
 
 #include <hidl/MQDescriptor.h>
 
+#include "VersionUtils.h"
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -56,7 +58,7 @@
     Return<Result> reset() override;
     Return<Result> enable() override;
     Return<Result> disable() override;
-    Return<Result> setDevice(AudioDevice device) override;
+    Return<Result> setDevice(AudioDeviceBitfield device) override;
     Return<void> setAndGetVolume(const hidl_vec<uint32_t>& volumes,
                                  setAndGetVolume_cb _hidl_cb) override;
     Return<Result> volumeChangeNotification(const hidl_vec<uint32_t>& volumes) override;
@@ -64,7 +66,7 @@
     Return<Result> setConfigReverse(
         const EffectConfig& config, const sp<IEffectBufferProviderCallback>& inputBufferProvider,
         const sp<IEffectBufferProviderCallback>& outputBufferProvider) override;
-    Return<Result> setInputDevice(AudioDevice device) override;
+    Return<Result> setInputDevice(AudioDeviceBitfield device) override;
     Return<void> getConfig(getConfig_cb _hidl_cb) override;
     Return<void> getConfigReverse(getConfigReverse_cb _hidl_cb) override;
     Return<void> getSupportedAuxChannelsConfigs(
diff --git a/audio/effect/all-versions/default/include/effect/all-versions/default/VisualizerEffect.impl.h b/audio/effect/all-versions/default/include/effect/all-versions/default/VisualizerEffect.impl.h
index 0351453..9f2195b 100644
--- a/audio/effect/all-versions/default/include/effect/all-versions/default/VisualizerEffect.impl.h
+++ b/audio/effect/all-versions/default/include/effect/all-versions/default/VisualizerEffect.impl.h
@@ -19,6 +19,8 @@
 #include <android/log.h>
 #include <system/audio_effects/effect_visualizer.h>
 
+#include "VersionUtils.h"
+
 namespace android {
 namespace hardware {
 namespace audio {
@@ -54,7 +56,7 @@
     return mEffect->disable();
 }
 
-Return<Result> VisualizerEffect::setDevice(AudioDevice device) {
+Return<Result> VisualizerEffect::setDevice(AudioDeviceBitfield device) {
     return mEffect->setDevice(device);
 }
 
@@ -77,7 +79,7 @@
     return mEffect->setConfigReverse(config, inputBufferProvider, outputBufferProvider);
 }
 
-Return<Result> VisualizerEffect::setInputDevice(AudioDevice device) {
+Return<Result> VisualizerEffect::setInputDevice(AudioDeviceBitfield device) {
     return mEffect->setInputDevice(device);
 }
 
diff --git a/automotive/audiocontrol/1.0/IAudioControl.hal b/automotive/audiocontrol/1.0/IAudioControl.hal
index c029499..3c8b086 100644
--- a/automotive/audiocontrol/1.0/IAudioControl.hal
+++ b/automotive/audiocontrol/1.0/IAudioControl.hal
@@ -29,10 +29,8 @@
      *
      * For every context, a valid bus number (0 - num busses-1) must be returned. If an
      * unrecognized contextNumber is encountered, then -1 shall be returned.
-     *
-     * Any context for which an invalid busNumber is returned must be routed to bus 0.
      */
-    getBusForContext(uint32_t contextNumber)
+    getBusForContext(ContextNumber contextNumber)
         generates (int32_t busNumber);
 
 
diff --git a/automotive/audiocontrol/1.0/default/AudioControl.cpp b/automotive/audiocontrol/1.0/default/AudioControl.cpp
index b40f2ae..c96580e 100644
--- a/automotive/audiocontrol/1.0/default/AudioControl.cpp
+++ b/automotive/audiocontrol/1.0/default/AudioControl.cpp
@@ -36,7 +36,8 @@
 };
 
 
-Return<int32_t> AudioControl::getBusForContext(uint32_t contextNumber) {
+Return<int32_t> AudioControl::getBusForContext(ContextNumber ctxt) {
+    unsigned contextNumber = static_cast<unsigned>(ctxt);
     if (contextNumber > sContextNumberMax) {
         ALOGE("Unexpected context number %d (max expected is %d)", contextNumber, sContextCount);
         return -1;
diff --git a/automotive/audiocontrol/1.0/default/AudioControl.h b/automotive/audiocontrol/1.0/default/AudioControl.h
index 89e41f9..37f43c6 100644
--- a/automotive/audiocontrol/1.0/default/AudioControl.h
+++ b/automotive/audiocontrol/1.0/default/AudioControl.h
@@ -23,7 +23,7 @@
 struct AudioControl : public IAudioControl {
 public:
     // Methods from ::android::hardware::automotive::audiocontrol::V1_0::IAudioControl follow.
-    Return<int32_t> getBusForContext(uint32_t contextNumber) override;
+    Return<int32_t> getBusForContext(ContextNumber contextNumber) override;
     Return<void> setBalanceTowardRight(float value) override;
     Return<void> setFadeTowardFront(float value) override;
 
diff --git a/automotive/audiocontrol/1.0/vts/functional/Android.bp b/automotive/audiocontrol/1.0/vts/functional/Android.bp
new file mode 100644
index 0000000..c6e0d8e
--- /dev/null
+++ b/automotive/audiocontrol/1.0/vts/functional/Android.bp
@@ -0,0 +1,31 @@
+//
+// Copyright (C) 2016 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+cc_test {
+    name: "VtsHalAudioControlV1_0TargetTest",
+
+    srcs: [
+        "VtsHalAudioControlV1_0TargetTest.cpp",
+    ],
+
+    defaults: [
+        "VtsHalTargetTestDefaults",
+    ],
+
+    static_libs: [
+        "android.hardware.automotive.audiocontrol@1.0",
+    ],
+}
diff --git a/automotive/audiocontrol/1.0/vts/functional/VtsHalAudioControlV1_0TargetTest.cpp b/automotive/audiocontrol/1.0/vts/functional/VtsHalAudioControlV1_0TargetTest.cpp
new file mode 100644
index 0000000..68ed778
--- /dev/null
+++ b/automotive/audiocontrol/1.0/vts/functional/VtsHalAudioControlV1_0TargetTest.cpp
@@ -0,0 +1,158 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "VtsHalAudioControlTest"
+
+#include <stdio.h>
+#include <string.h>
+
+#include <hidl/HidlTransportSupport.h>
+#include <hwbinder/ProcessState.h>
+#include <log/log.h>
+#include <utils/Errors.h>
+#include <utils/StrongPointer.h>
+
+#include <android/hardware/automotive/audiocontrol/1.0/types.h>
+#include <android/hardware/automotive/audiocontrol/1.0/IAudioControl.h>
+#include <android/log.h>
+
+#include <VtsHalHidlTargetTestBase.h>
+
+using namespace ::android::hardware::automotive::audiocontrol::V1_0;
+using ::android::hardware::Return;
+using ::android::hardware::Void;
+using ::android::hardware::hidl_enum_iterator;
+using ::android::hardware::hidl_handle;
+using ::android::hardware::hidl_string;
+using ::android::hardware::hidl_vec;
+using ::android::sp;
+
+
+// Boiler plate for test harness
+class CarAudioControlHidlEnvironment : public ::testing::VtsHalHidlTargetTestEnvBase {
+   public:
+    // get the test environment singleton
+    static CarAudioControlHidlEnvironment* Instance() {
+        static CarAudioControlHidlEnvironment* instance = new CarAudioControlHidlEnvironment;
+        return instance;
+    }
+
+    virtual void registerTestServices() override { registerTestService<IAudioControl>(); }
+   private:
+    CarAudioControlHidlEnvironment() {}
+};
+
+
+// The main test class for the automotive AudioControl HAL
+class CarAudioControlHidlTest : public ::testing::VtsHalHidlTargetTestBase {
+public:
+    virtual void SetUp() override {
+        // Make sure we can connect to the driver
+        pAudioControl = ::testing::VtsHalHidlTargetTestBase::getService<IAudioControl>(
+                                    CarAudioControlHidlEnvironment::Instance()->
+                                    getServiceName<IAudioControl>());
+        ASSERT_NE(pAudioControl.get(), nullptr);
+    }
+
+    virtual void TearDown() override {}
+
+   protected:
+    sp<IAudioControl> pAudioControl;  // Every test needs access to the service
+};
+
+//
+// Tests start here...
+//
+
+/*
+ * Fader exercise test.  Note that only a subjective observer could determine if the
+ * fader actually works.  The only thing we can do is exercise the HAL and if the HAL crashes,
+ * we _might_ get a test failure if that breaks the connection to the driver.
+ */
+TEST_F(CarAudioControlHidlTest, FaderExercise) {
+    ALOGI("Fader exercise test (silent)");
+
+    // Set the fader all the way to the back
+    pAudioControl->setFadeTowardFront(-1.0f);
+
+    // Set the fader all the way to the front
+    pAudioControl->setFadeTowardFront(1.0f);
+
+    // Set the fader part way toward the back
+    pAudioControl->setFadeTowardFront(-0.333f);
+
+    // Set the fader to a out of bounds value (driver should clamp)
+    pAudioControl->setFadeTowardFront(99999.9f);
+
+    // Set the fader back to the middle
+    pAudioControl->setFadeTowardFront(0.0f);
+}
+
+/*
+ * Balance exercise test.
+ */
+TEST_F(CarAudioControlHidlTest, BalanceExercise) {
+    ALOGI("Balance exercise test (silent)");
+
+    // Set the balance all the way to the left
+    pAudioControl->setBalanceTowardRight(-1.0f);
+
+    // Set the balance all the way to the right
+    pAudioControl->setBalanceTowardRight(1.0f);
+
+    // Set the balance part way toward the left
+    pAudioControl->setBalanceTowardRight(-0.333f);
+
+    // Set the balance to a out of bounds value (driver should clamp)
+    pAudioControl->setBalanceTowardRight(99999.9f);
+
+    // Set the balance back to the middle
+    pAudioControl->setBalanceTowardRight(0.0f);
+}
+
+/*
+ * Context mapping test.
+ */
+TEST_F(CarAudioControlHidlTest, ContextMapping) {
+    ALOGI("Context mapping test");
+
+    int bus = -1;
+
+    // For each defined context, query the driver for the BUS on which it should be delivered
+    for (const auto& ctxt : hidl_enum_iterator<ContextNumber>()) {
+         bus = pAudioControl->getBusForContext(ctxt);
+
+         if (ctxt == ContextNumber::INVALID) {
+             // Invalid context should never be mapped to a bus
+             EXPECT_EQ(bus, -1);
+         } else {
+             EXPECT_GE(bus, 0);
+             // TODO:  Consider enumerating the devices on the actual audio hal to validate the
+             // bus IDs.  This would introduce an dependency on the audio HAL, however.  Would that
+             // even work while Android is up and running?
+         }
+    }
+
+    // Try asking about an invalid context one beyond the last defined to see that it gets back a -1
+    int contextRange = std::distance(hidl_enum_iterator<ContextNumber>().begin(),
+                                     hidl_enum_iterator<ContextNumber>().end());
+    bus = pAudioControl->getBusForContext((ContextNumber)contextRange);
+    EXPECT_EQ(bus, -1);
+
+    // Try asking about an invalid context WAY out of range to see that it gets back a -1
+    bus = pAudioControl->getBusForContext((ContextNumber)~0);
+    EXPECT_EQ(bus, -1);
+}
diff --git a/automotive/vehicle/2.0/Android.bp b/automotive/vehicle/2.0/Android.bp
index bdc44ef..902a4e8 100644
--- a/automotive/vehicle/2.0/Android.bp
+++ b/automotive/vehicle/2.0/Android.bp
@@ -48,6 +48,7 @@
         "VehicleHvacFanDirection",
         "VehicleHwKeyInputAction",
         "VehicleIgnitionState",
+        "VehicleOilLevel",
         "VehiclePropConfig",
         "VehiclePropValue",
         "VehicleProperty",
diff --git a/automotive/vehicle/2.0/default/common/src/VehiclePropertyStore.cpp b/automotive/vehicle/2.0/default/common/src/VehiclePropertyStore.cpp
index 2c3ebfc..f2aa421 100644
--- a/automotive/vehicle/2.0/default/common/src/VehiclePropertyStore.cpp
+++ b/automotive/vehicle/2.0/default/common/src/VehiclePropertyStore.cpp
@@ -52,6 +52,7 @@
     } else {
         valueToUpdate->timestamp = propValue.timestamp;
         valueToUpdate->value = propValue.value;
+        valueToUpdate->status = propValue.status;
     }
     return true;
 }
diff --git a/automotive/vehicle/2.0/default/impl/vhal_v2_0/EmulatedVehicleHal.cpp b/automotive/vehicle/2.0/default/impl/vhal_v2_0/EmulatedVehicleHal.cpp
index 764bebd..dc34a50 100644
--- a/automotive/vehicle/2.0/default/impl/vhal_v2_0/EmulatedVehicleHal.cpp
+++ b/automotive/vehicle/2.0/default/impl/vhal_v2_0/EmulatedVehicleHal.cpp
@@ -138,6 +138,7 @@
             return status;
         }
     } else if (mHvacPowerProps.count(propValue.prop)) {
+        // TODO(75328113): this should be handled by property status
         auto hvacPowerOn = mPropStore->readValueOrNull(
             toInt(VehicleProperty::HVAC_POWER_ON),
             (VehicleAreaZone::ROW_1_LEFT | VehicleAreaZone::ROW_1_RIGHT));
@@ -165,6 +166,22 @@
         }
     }
 
+    if (propValue.status != VehiclePropertyStatus::AVAILABLE) {
+        // Android side cannot set property status - this value is the
+        // purview of the HAL implementation to reflect the state of
+        // its underlying hardware
+        return StatusCode::INVALID_ARG;
+    }
+    auto currentPropValue = mPropStore->readValueOrNull(propValue);
+
+    if (currentPropValue == nullptr) {
+        return StatusCode::INVALID_ARG;
+    }
+    if (currentPropValue->status != VehiclePropertyStatus::AVAILABLE) {
+        // do not allow Android side to set() a disabled/error property
+        return StatusCode::NOT_AVAILABLE;
+    }
+
     if (!mPropStore->writeValue(propValue)) {
         return StatusCode::INVALID_ARG;
     }
diff --git a/biometrics/fingerprint/2.1/default/android.hardware.biometrics.fingerprint@2.1-service.rc b/biometrics/fingerprint/2.1/default/android.hardware.biometrics.fingerprint@2.1-service.rc
index 123d339..9bfd3ba 100644
--- a/biometrics/fingerprint/2.1/default/android.hardware.biometrics.fingerprint@2.1-service.rc
+++ b/biometrics/fingerprint/2.1/default/android.hardware.biometrics.fingerprint@2.1-service.rc
@@ -5,3 +5,4 @@
     class late_start
     user system
     group system input
+    writepid /dev/cpuset/system-background/tasks
\ No newline at end of file
diff --git a/bluetooth/a2dp/1.0/Android.bp b/bluetooth/a2dp/1.0/Android.bp
new file mode 100644
index 0000000..5e85290
--- /dev/null
+++ b/bluetooth/a2dp/1.0/Android.bp
@@ -0,0 +1,27 @@
+// This file is autogenerated by hidl-gen -Landroidbp.
+
+hidl_interface {
+    name: "android.hardware.bluetooth.a2dp@1.0",
+    root: "android.hardware",
+    vndk: {
+        enabled: true,
+    },
+    srcs: [
+        "types.hal",
+        "IBluetoothAudioHost.hal",
+        "IBluetoothAudioOffload.hal",
+    ],
+    interfaces: [
+        "android.hidl.base@1.0",
+    ],
+    types: [
+        "BitsPerSample",
+        "ChannelMode",
+        "CodecConfiguration",
+        "CodecType",
+        "SampleRate",
+        "Status",
+    ],
+    gen_java: false,
+}
+
diff --git a/bluetooth/a2dp/1.0/IBluetoothAudioHost.hal b/bluetooth/a2dp/1.0/IBluetoothAudioHost.hal
new file mode 100644
index 0000000..666419d
--- /dev/null
+++ b/bluetooth/a2dp/1.0/IBluetoothAudioHost.hal
@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.bluetooth.a2dp@1.0;
+
+/**
+ * HAL interface for Bluetooth A2DP Offload functionality where
+ * the encoding of the A2DP data packets is offloaded to platform
+ * specific encoders. The A2DP control path is maintained in the
+ * Bluetooth stack.
+ *
+ * This interface is from HAL server to HAL client.
+ *
+ * The HAL server must call into the IBluetoothAudioHost to initiate
+ * the start, suspend and stop of the streaming operation. These
+ * calls return immediately and the results, if any, are send over
+ * the IBluetoothAudioOffload interface.
+ */
+
+interface IBluetoothAudioHost {
+    /**
+     * Invoked when the start stream is requested from HAL server
+     * to HAL client. This indicates that the HAL server
+     * has initialized the platform for streaming use case, and the
+     * HAL client can proceed with the streaming procedure. The
+     * result of the operation must be provided by the HAL
+     * client using the IBluetoothAudioOffload interface.
+     */
+    oneway startStream();
+
+    /**
+     * Invoked when the suspend stream is requested from HAL server
+     * to HAL client. This indicates that the HAL server
+     * wants to suspend the streaming procedure. The result of the
+     * operation must be provided by the HAL client using the
+     * IBluetoothAudioOffload interface.
+     */
+    oneway suspendStream();
+
+    /**
+     * Invoked when the stop stream is requested from HAL server
+     * to HAL client. This indicates that the HAL server wants to
+     * stop and reset the streaming procedure. There is no result
+     * provided by the HAL client for this call.
+     */
+    oneway stopStream();
+
+};
diff --git a/bluetooth/a2dp/1.0/IBluetoothAudioOffload.hal b/bluetooth/a2dp/1.0/IBluetoothAudioOffload.hal
new file mode 100644
index 0000000..52a580f
--- /dev/null
+++ b/bluetooth/a2dp/1.0/IBluetoothAudioOffload.hal
@@ -0,0 +1,85 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.bluetooth.a2dp@1.0;
+
+import IBluetoothAudioHost;
+
+/**
+ * HAL interface for Bluetooth A2DP Offload functionality where
+ * the encoding of the A2DP data packets is offloaded to platform
+ * specific encoders. The A2DP control path is maintained in the
+ * Bluetooth stack.
+ *
+ * This interface is from HAL client to HAL server.
+ *
+ * The HAL client must provide the handle of IBluetoothAudioHost as well
+ * as codec configuration to the HAL server, when its connected to an
+ * active A2DP Sink device. HAL Server, based on the feedback from the Audio
+ * framework must call into the commands provided by the IBluetoothAudioHost.
+ * HAL client must call into IBluetoothAudioOffload to provide the status of
+ * these commands. Once the device becomes inactive, the HAL client must
+ * call the endSession to terminate the session with the HAL server.
+ */
+interface IBluetoothAudioOffload {
+
+    /**
+     * Indicates that the HAL client is connected to an A2DP Sink device
+     * and is ready to stream audio. This function is also used to register
+     * the BluetoothAudioHost interface and the provide the current negotiated
+     * codec.
+     *
+     * |endSession| must be called to unregister the interface.
+     *
+     * @param hostIf interface used to request stream control
+     * @param codecConfig Codec configuration as negotiated with the A2DP Sink
+     *    device
+     * @return status one of the following
+     *    SUCCESS if HAL server successfully initializes the platform with the
+     *        given codec configuration
+     *    UNSUPPORTED_CODEC_CONFIGURATION if HAL server cannot initialize the
+     *        platform with the given codec configuration
+     *    FAILURE if HAL server cannot initialize the platform for any other
+     *        reason
+     */
+    startSession(IBluetoothAudioHost hostIf, CodecConfiguration codecConfig) generates (Status status);
+
+    /**
+     * Updates status for start stream request. The HAL client may need
+     * to communicate to Bluetooth Controller and remote Sink device, in which
+     * case it must update with PENDING status. Once the operation is
+     * completed, it must return with either SUCCESS or FAILURE.
+     *
+     * @param status SUCCESS, FAILURE or PENDING
+     */
+    oneway streamStarted(Status status);
+
+    /**
+     * Updates status for suspend stream request. The HAL client may need
+     * to communicate to Bluetooth Controller and remote device, in which case
+     * it must update with PENDING status. Once the operation is completed, it
+     * must return with either SUCCESS or FAILURE.
+     *
+     * @param status SUCCESS, FAILURE or PENDING
+     */
+    oneway streamSuspended(Status status);
+
+    /**
+     * Ends the current A2DP offload session and unregisters the
+     * BluetoothAudioHost interface.
+     */
+    oneway endSession();
+};
diff --git a/bluetooth/a2dp/1.0/default/Android.bp b/bluetooth/a2dp/1.0/default/Android.bp
new file mode 100644
index 0000000..8e6f32d
--- /dev/null
+++ b/bluetooth/a2dp/1.0/default/Android.bp
@@ -0,0 +1,14 @@
+cc_library_shared {
+    name: "android.hardware.bluetooth.a2dp@1.0-impl",
+    relative_install_path: "hw",
+    vendor: true,
+    srcs: [
+        "BluetoothAudioOffload.cpp",
+    ],
+    shared_libs: [
+        "libhidlbase",
+        "libhidltransport",
+        "libutils",
+        "android.hardware.bluetooth.a2dp@1.0",
+    ],
+}
diff --git a/bluetooth/a2dp/1.0/default/BluetoothAudioOffload.cpp b/bluetooth/a2dp/1.0/default/BluetoothAudioOffload.cpp
new file mode 100644
index 0000000..2a66abe
--- /dev/null
+++ b/bluetooth/a2dp/1.0/default/BluetoothAudioOffload.cpp
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "BluetoothAudioOffload.h"
+
+namespace android {
+namespace hardware {
+namespace bluetooth {
+namespace a2dp {
+namespace V1_0 {
+namespace implementation {
+
+IBluetoothAudioOffload* HIDL_FETCH_IBluetoothAudioOffload(const char* /* name */) {
+    return new BluetoothAudioOffload();
+}
+
+// Methods from ::android::hardware::bluetooth::a2dp::V1_0::IBluetoothAudioOffload follow.
+Return<::android::hardware::bluetooth::a2dp::V1_0::Status> BluetoothAudioOffload::startSession(
+    const sp<::android::hardware::bluetooth::a2dp::V1_0::IBluetoothAudioHost>& hostIf __unused,
+    const ::android::hardware::bluetooth::a2dp::V1_0::CodecConfiguration& codecConfig __unused) {
+    /**
+     * Initialize the audio platform if codecConfiguration is supported.
+     * Save the the IBluetoothAudioHost interface, so that it can be used
+     * later to send stream control commands to the HAL client, based on
+     * interaction with Audio framework.
+     */
+    return ::android::hardware::bluetooth::a2dp::V1_0::Status::FAILURE;
+}
+
+Return<void> BluetoothAudioOffload::streamStarted(
+    ::android::hardware::bluetooth::a2dp::V1_0::Status status __unused) {
+    /**
+     * Streaming on control path has started,
+     * HAL server should start the streaming on data path.
+     */
+    return Void();
+}
+
+Return<void> BluetoothAudioOffload::streamSuspended(
+    ::android::hardware::bluetooth::a2dp::V1_0::Status status __unused) {
+    /**
+     * Streaming on control path has suspend,
+     * HAL server should suspend the streaming on data path.
+     */
+    return Void();
+}
+
+Return<void> BluetoothAudioOffload::endSession() {
+    /**
+     * Cleanup the audio platform as remote A2DP Sink device is no
+     * longer active
+     */
+    return Void();
+}
+
+}  // namespace implementation
+}  // namespace V1_0
+}  // namespace a2dp
+}  // namespace bluetooth
+}  // namespace hardware
+}  // namespace android
diff --git a/bluetooth/a2dp/1.0/default/BluetoothAudioOffload.h b/bluetooth/a2dp/1.0/default/BluetoothAudioOffload.h
new file mode 100644
index 0000000..5d07b5b
--- /dev/null
+++ b/bluetooth/a2dp/1.0/default/BluetoothAudioOffload.h
@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_HARDWARE_BLUETOOTH_A2DP_V1_0_BLUETOOTHAUDIOOFFLOAD_H
+#define ANDROID_HARDWARE_BLUETOOTH_A2DP_V1_0_BLUETOOTHAUDIOOFFLOAD_H
+
+#include <android/hardware/bluetooth/a2dp/1.0/IBluetoothAudioOffload.h>
+#include <hidl/MQDescriptor.h>
+#include <hidl/Status.h>
+
+namespace android {
+namespace hardware {
+namespace bluetooth {
+namespace a2dp {
+namespace V1_0 {
+namespace implementation {
+
+using ::android::hardware::hidl_array;
+using ::android::hardware::hidl_memory;
+using ::android::hardware::hidl_string;
+using ::android::hardware::hidl_vec;
+using ::android::hardware::Return;
+using ::android::hardware::Void;
+using ::android::sp;
+
+struct BluetoothAudioOffload : public IBluetoothAudioOffload {
+    BluetoothAudioOffload() {}
+    // Methods from ::android::hardware::bluetooth::a2dp::V1_0::IBluetoothAudioOffload follow.
+    Return<::android::hardware::bluetooth::a2dp::V1_0::Status> startSession(
+        const sp<::android::hardware::bluetooth::a2dp::V1_0::IBluetoothAudioHost>& hostIf,
+        const ::android::hardware::bluetooth::a2dp::V1_0::CodecConfiguration& codecConfig) override;
+    Return<void> streamStarted(::android::hardware::bluetooth::a2dp::V1_0::Status status) override;
+    Return<void> streamSuspended(
+        ::android::hardware::bluetooth::a2dp::V1_0::Status status) override;
+    Return<void> endSession() override;
+};
+
+extern "C" IBluetoothAudioOffload* HIDL_FETCH_IBluetoothAudioOffload(const char* name);
+
+}  // namespace implementation
+}  // namespace V1_0
+}  // namespace a2dp
+}  // namespace bluetooth
+}  // namespace hardware
+}  // namespace android
+
+#endif  // ANDROID_HARDWARE_BLUETOOTH_A2DP_V1_0_BLUETOOTHAUDIOOFFLOAD_H
diff --git a/bluetooth/a2dp/1.0/types.hal b/bluetooth/a2dp/1.0/types.hal
new file mode 100644
index 0000000..6a430f0
--- /dev/null
+++ b/bluetooth/a2dp/1.0/types.hal
@@ -0,0 +1,99 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.bluetooth.a2dp@1.0;
+
+enum Status : uint8_t {
+    SUCCESS,
+    FAILURE,
+    /** codec configuration not supported by the audio platform */
+    UNSUPPORTED_CODEC_CONFIGURATION ,
+    /** operation is pending */
+    PENDING,
+};
+
+enum CodecType : uint32_t {
+    UNKNOWN = 0x00,
+    SBC = 0x01,
+    AAC = 0x02,
+    APTX = 0x04,
+    APTX_HD = 0x08,
+    LDAC = 0x10,
+};
+enum SampleRate : uint32_t {
+    RATE_UNKNOWN = 0x00,
+    RATE_44100 = 0x01,
+    RATE_48000 = 0x02,
+    RATE_88200 = 0x04,
+    RATE_96000 = 0x08,
+    RATE_176400 = 0x10,
+    RATE_192000 = 0x20,
+};
+enum BitsPerSample : uint8_t {
+    BITS_UNKNOWN = 0x00,
+    BITS_16 = 0x01,
+    BITS_24 = 0x02,
+    BITS_32 = 0x04,
+};
+enum ChannelMode : uint8_t {
+    UNKNOWN = 0x00,
+    MONO = 0x01,
+    STEREO = 0x02,
+};
+struct CodecConfiguration {
+    /** Bluetooth A2DP codec */
+    CodecType codecType;
+    /** Sampling rate for encoder */
+    SampleRate sampleRate;
+    /** Bits per sample for encoder */
+    BitsPerSample bitsPerSample;
+    /** Channel mode for encoder */
+    ChannelMode channelMode;
+    /**
+     * The encoded audio bitrate in bits / second.
+     * 0x00000000 - The audio bitrate is not specified / unused
+     * 0x00000001 - 0x00FFFFFF - Encoded audio bitrate in bits/second
+     * 0x01000000 - 0xFFFFFFFF - Reserved
+     */
+    uint32_t encodedAudioBitrate;
+    /** Peer MTU (in octets) */
+    uint16_t peerMtu;
+    union CodecSpecific {
+        /**
+         * SBC Codec specific information
+         * Refer to SBC Codec specific information elements in A2DP v1.3
+         * Profile Specification.
+         */
+        struct SbcData {
+            /** Block length: 4 bits | Subbands: 2 bits | Allocation Method: 2 bits */
+            uint8_t codecParameters;
+            /** Minimum bitpool value */
+            uint8_t minBitpool;
+            /** Maximum bitpool value */
+            uint8_t maxBitpool;
+        } sbcData;
+        struct LdacData {
+            /**
+             * LDAC bitrate index value:
+             * 0x00 - High
+             * 0x01 - Mid
+             * 0x02 - Low
+             * 0x7F - ABR (Adaptive Bit Rate)
+             */
+            uint8_t bitrateIndex;
+        } ldacData;
+    } codecSpecific;
+};
diff --git a/broadcastradio/1.1/default/BroadcastRadio.cpp b/broadcastradio/1.1/default/BroadcastRadio.cpp
index 2933aa7..e01812e 100644
--- a/broadcastradio/1.1/default/BroadcastRadio.cpp
+++ b/broadcastradio/1.1/default/BroadcastRadio.cpp
@@ -122,28 +122,7 @@
         {"com.google.dummy", "dummy"},
     });
 
-    prop10.bands.resize(mConfig.amFmBands.size());
-    for (size_t i = 0; i < mConfig.amFmBands.size(); i++) {
-        auto& src = mConfig.amFmBands[i];
-        auto& dst = prop10.bands[i];
-
-        dst.type = src.type;
-        dst.antennaConnected = true;
-        dst.lowerLimit = src.lowerLimit;
-        dst.upperLimit = src.upperLimit;
-        dst.spacings = src.spacings;
-
-        if (utils::isAm(src.type)) {
-            dst.ext.am.stereo = true;
-        } else if (utils::isFm(src.type)) {
-            dst.ext.fm.deemphasis = static_cast<Deemphasis>(Deemphasis::D50 | Deemphasis::D75);
-            dst.ext.fm.stereo = true;
-            dst.ext.fm.rds = static_cast<Rds>(Rds::WORLD | Rds::US);
-            dst.ext.fm.ta = true;
-            dst.ext.fm.af = true;
-            dst.ext.fm.ea = true;
-        }
-    }
+    prop10.bands = getAmFmBands();
 
     _hidl_cb(prop11);
     return Void();
@@ -162,7 +141,7 @@
         mTuner = nullptr;
     }
 
-    sp<Tuner> newTuner = new Tuner(mClassId, callback);
+    sp<Tuner> newTuner = new Tuner(this, mClassId, callback);
     mTuner = newTuner;
     if (mClassId == Class::AM_FM) {
         auto ret = newTuner->setConfiguration(config);
@@ -189,6 +168,33 @@
     return Void();
 }
 
+std::vector<V1_0::BandConfig> BroadcastRadio::getAmFmBands() const {
+    std::vector<V1_0::BandConfig> out;
+    for (auto&& src : mConfig.amFmBands) {
+        V1_0::BandConfig dst;
+
+        dst.type = src.type;
+        dst.antennaConnected = true;
+        dst.lowerLimit = src.lowerLimit;
+        dst.upperLimit = src.upperLimit;
+        dst.spacings = src.spacings;
+
+        if (utils::isAm(src.type)) {
+            dst.ext.am.stereo = true;
+        } else if (utils::isFm(src.type)) {
+            dst.ext.fm.deemphasis = static_cast<Deemphasis>(Deemphasis::D50 | Deemphasis::D75);
+            dst.ext.fm.stereo = true;
+            dst.ext.fm.rds = static_cast<Rds>(Rds::WORLD | Rds::US);
+            dst.ext.fm.ta = true;
+            dst.ext.fm.af = true;
+            dst.ext.fm.ea = true;
+        }
+
+        out.push_back(dst);
+    }
+    return out;
+}
+
 }  // namespace implementation
 }  // namespace V1_1
 }  // namespace broadcastradio
diff --git a/broadcastradio/1.1/default/BroadcastRadio.h b/broadcastradio/1.1/default/BroadcastRadio.h
index bdf3b87..d0a73d9 100644
--- a/broadcastradio/1.1/default/BroadcastRadio.h
+++ b/broadcastradio/1.1/default/BroadcastRadio.h
@@ -65,6 +65,8 @@
                            openTuner_cb _hidl_cb) override;
     Return<void> getImage(int32_t id, getImage_cb _hidl_cb);
 
+    std::vector<V1_0::BandConfig> getAmFmBands() const;
+
    private:
     std::mutex mMut;
     V1_0::Class mClassId;
diff --git a/broadcastradio/1.1/default/Tuner.cpp b/broadcastradio/1.1/default/Tuner.cpp
index 2be070d..ae01879 100644
--- a/broadcastradio/1.1/default/Tuner.cpp
+++ b/broadcastradio/1.1/default/Tuner.cpp
@@ -58,8 +58,10 @@
     milliseconds tune = 150ms;
 } gDefaultDelay;
 
-Tuner::Tuner(V1_0::Class classId, const sp<V1_0::ITunerCallback>& callback)
-    : mClassId(classId),
+Tuner::Tuner(const sp<BroadcastRadio> module, V1_0::Class classId,
+             const sp<V1_0::ITunerCallback>& callback)
+    : mModule(module),
+      mClassId(classId),
       mCallback(callback),
       mCallback1_1(V1_1::ITunerCallback::castFrom(callback).withDefault(nullptr)),
       mVirtualRadio(getRadio(classId)),
@@ -71,6 +73,33 @@
     mThread.cancelAll();
 }
 
+void Tuner::setConfigurationInternalLocked(const BandConfig& config) {
+    mAmfmConfig = config;
+    mAmfmConfig.antennaConnected = true;
+    mCurrentProgram = utils::make_selector(mAmfmConfig.type, mAmfmConfig.lowerLimit);
+
+    if (utils::isFm(mAmfmConfig.type)) {
+        mVirtualRadio = std::ref(getFmRadio());
+    } else {
+        mVirtualRadio = std::ref(getAmRadio());
+    }
+
+    mIsAmfmConfigSet = true;
+    mCallback->configChange(Result::OK, mAmfmConfig);
+}
+
+bool Tuner::autoConfigureLocked(uint64_t frequency) {
+    for (auto&& config : mModule->getAmFmBands()) {
+        // The check here is rather poor, but it's enough for default implementation.
+        if (config.lowerLimit <= frequency && config.upperLimit >= frequency) {
+            ALOGI("Auto-switching band to %s", toString(config).c_str());
+            setConfigurationInternalLocked(config);
+            return true;
+        }
+    }
+    return false;
+}
+
 Return<Result> Tuner::setConfiguration(const BandConfig& config) {
     ALOGV("%s", __func__);
     lock_guard<mutex> lk(mMut);
@@ -85,19 +114,7 @@
     auto task = [this, config]() {
         ALOGI("Setting AM/FM config");
         lock_guard<mutex> lk(mMut);
-
-        mAmfmConfig = move(config);
-        mAmfmConfig.antennaConnected = true;
-        mCurrentProgram = utils::make_selector(mAmfmConfig.type, mAmfmConfig.lowerLimit);
-
-        if (utils::isFm(mAmfmConfig.type)) {
-            mVirtualRadio = std::ref(getFmRadio());
-        } else {
-            mVirtualRadio = std::ref(getAmRadio());
-        }
-
-        mIsAmfmConfigSet = true;
-        mCallback->configChange(Result::OK, mAmfmConfig);
+        setConfigurationInternalLocked(config);
     };
     mThread.schedule(task, gDefaultDelay.config);
 
@@ -276,7 +293,7 @@
 
         auto freq = utils::getId(sel, IdentifierType::AMFM_FREQUENCY);
         if (freq < mAmfmConfig.lowerLimit || freq > mAmfmConfig.upperLimit) {
-            return Result::INVALID_ARGUMENTS;
+            if (!autoConfigureLocked(freq)) return Result::INVALID_ARGUMENTS;
         }
     } else if (programType == ProgramType::DAB) {
         if (!utils::hasId(sel, IdentifierType::DAB_SIDECC)) return Result::INVALID_ARGUMENTS;
diff --git a/broadcastradio/1.1/default/Tuner.h b/broadcastradio/1.1/default/Tuner.h
index 764d5b3..e2668d8 100644
--- a/broadcastradio/1.1/default/Tuner.h
+++ b/broadcastradio/1.1/default/Tuner.h
@@ -28,8 +28,11 @@
 namespace V1_1 {
 namespace implementation {
 
+struct BroadcastRadio;
+
 struct Tuner : public ITuner {
-    Tuner(V1_0::Class classId, const sp<V1_0::ITunerCallback>& callback);
+    Tuner(const sp<BroadcastRadio> module, V1_0::Class classId,
+          const sp<V1_0::ITunerCallback>& callback);
 
     void forceClose();
 
@@ -55,6 +58,7 @@
     WorkerThread mThread;
     bool mIsClosed = false;
 
+    const sp<BroadcastRadio> mModule;
     V1_0::Class mClassId;
     const sp<V1_0::ITunerCallback> mCallback;
     const sp<V1_1::ITunerCallback> mCallback1_1;
@@ -68,7 +72,9 @@
     std::atomic<bool> mIsAnalogForced;
 
     utils::HalRevision getHalRev() const;
+    void setConfigurationInternalLocked(const V1_0::BandConfig& config);
     void tuneInternalLocked(const V1_1::ProgramSelector& sel);
+    bool autoConfigureLocked(uint64_t frequency);
 };
 
 }  // namespace implementation
diff --git a/camera/common/1.0/default/Exif.cpp b/camera/common/1.0/default/Exif.cpp
index 3e894f9..6054999 100644
--- a/camera/common/1.0/default/Exif.cpp
+++ b/camera/common/1.0/default/Exif.cpp
@@ -983,15 +983,15 @@
     camera_metadata_ro_entry entry = metadata.find(ANDROID_LENS_FOCAL_LENGTH);
     if (entry.count) {
         focal_length = entry.data.f[0];
+
+        if (!setFocalLength(
+                        static_cast<uint32_t>(focal_length * kRationalPrecision),
+                        kRationalPrecision)) {
+            ALOGE("%s: setting focal length failed.", __FUNCTION__);
+            return false;
+        }
     } else {
-        ALOGE("%s: Cannot find focal length in metadata.", __FUNCTION__);
-        return false;
-    }
-    if (!setFocalLength(
-                    static_cast<uint32_t>(focal_length * kRationalPrecision),
-                    kRationalPrecision)) {
-        ALOGE("%s: setting focal length failed.", __FUNCTION__);
-        return false;
+        ALOGV("%s: Cannot find focal length in metadata.", __FUNCTION__);
     }
 
     if (metadata.exists(ANDROID_JPEG_GPS_COORDINATES)) {
diff --git a/camera/device/3.2/default/CameraDeviceSession.cpp b/camera/device/3.2/default/CameraDeviceSession.cpp
index 975fb01..5f89cde 100644
--- a/camera/device/3.2/default/CameraDeviceSession.cpp
+++ b/camera/device/3.2/default/CameraDeviceSession.cpp
@@ -1198,7 +1198,7 @@
     return Void();
 }
 
-void CameraDeviceSession::constructCaptureResult(CaptureResult& result,
+status_t CameraDeviceSession::constructCaptureResult(CaptureResult& result,
                                                  const camera3_capture_result *hal_result) {
     uint32_t frameNumber = hal_result->frame_number;
     bool hasInputBuf = (hal_result->input_buffer != nullptr);
@@ -1213,7 +1213,7 @@
             if (mInflightBuffers.count(key) != 1) {
                 ALOGE("%s: input buffer for stream %d frame %d is not inflight!",
                         __FUNCTION__, streamId, frameNumber);
-                return;
+                return -EINVAL;
             }
         }
 
@@ -1224,7 +1224,7 @@
             if (mInflightBuffers.count(key) != 1) {
                 ALOGE("%s: output buffer for stream %d frame %d is not inflight!",
                         __FUNCTION__, streamId, frameNumber);
-                return;
+                return -EINVAL;
             }
         }
     }
@@ -1344,7 +1344,7 @@
             ALOGV("%s: inflight buffer queue is now empty!", __FUNCTION__);
         }
     }
-
+    return OK;
 }
 
 /**
@@ -1356,10 +1356,11 @@
     CameraDeviceSession *d =
             const_cast<CameraDeviceSession*>(static_cast<const CameraDeviceSession*>(cb));
 
-    CaptureResult result;
-    d->constructCaptureResult(result, hal_result);
-
-    d->mResultBatcher.processCaptureResult(result);
+    CaptureResult result = {};
+    status_t ret = d->constructCaptureResult(result, hal_result);
+    if (ret == OK) {
+        d->mResultBatcher.processCaptureResult(result);
+    }
 }
 
 void CameraDeviceSession::sNotify(
diff --git a/camera/device/3.2/default/CameraDeviceSession.h b/camera/device/3.2/default/CameraDeviceSession.h
index 61db671..269cc06 100644
--- a/camera/device/3.2/default/CameraDeviceSession.h
+++ b/camera/device/3.2/default/CameraDeviceSession.h
@@ -327,7 +327,7 @@
     static callbacks_process_capture_result_t sProcessCaptureResult;
     static callbacks_notify_t sNotify;
 
-    void constructCaptureResult(CaptureResult& result,
+    status_t constructCaptureResult(CaptureResult& result,
                                 const camera3_capture_result *hal_result);
 private:
 
diff --git a/camera/device/3.4/Android.bp b/camera/device/3.4/Android.bp
index 87acd25..2c649ba 100644
--- a/camera/device/3.4/Android.bp
+++ b/camera/device/3.4/Android.bp
@@ -25,7 +25,6 @@
         "HalStreamConfiguration",
         "PhysicalCameraMetadata",
         "PhysicalCameraSetting",
-        "RequestTemplate",
         "Stream",
         "StreamConfiguration",
     ],
diff --git a/camera/device/3.4/default/CameraDeviceSession.cpp b/camera/device/3.4/default/CameraDeviceSession.cpp
index b032357..ad7f6f5 100644
--- a/camera/device/3.4/default/CameraDeviceSession.cpp
+++ b/camera/device/3.4/default/CameraDeviceSession.cpp
@@ -450,8 +450,12 @@
     CameraDeviceSession *d =
             const_cast<CameraDeviceSession*>(static_cast<const CameraDeviceSession*>(cb));
 
-    CaptureResult result;
-    d->constructCaptureResult(result.v3_2, hal_result);
+    CaptureResult result = {};
+    status_t ret = d->constructCaptureResult(result.v3_2, hal_result);
+    if (ret != OK) {
+        return;
+    }
+
     result.physicalCameraMetadata.resize(hal_result->num_physcam_metadata);
     for (uint32_t i = 0; i < hal_result->num_physcam_metadata; i++) {
         std::string physicalId = hal_result->physcam_ids[i];
diff --git a/camera/device/3.4/default/ExternalCameraDevice.cpp b/camera/device/3.4/default/ExternalCameraDevice.cpp
index 9a02ce8..6b05d4a 100644
--- a/camera/device/3.4/default/ExternalCameraDevice.cpp
+++ b/camera/device/3.4/default/ExternalCameraDevice.cpp
@@ -284,13 +284,6 @@
     const int32_t jpegMaxSize = mCfg.maxJpegBufSize;
     UPDATE(ANDROID_JPEG_MAX_SIZE, &jpegMaxSize, 1);
 
-    const uint8_t jpegQuality = 90;
-    UPDATE(ANDROID_JPEG_QUALITY, &jpegQuality, 1);
-    UPDATE(ANDROID_JPEG_THUMBNAIL_QUALITY, &jpegQuality, 1);
-
-    const int32_t jpegOrientation = 0;
-    UPDATE(ANDROID_JPEG_ORIENTATION, &jpegOrientation, 1);
-
     // android.lens
     const uint8_t focusDistanceCalibration =
             ANDROID_LENS_INFO_FOCUS_DISTANCE_CALIBRATION_UNCALIBRATED;
@@ -322,7 +315,6 @@
     // This means pipeline latency of X frame intervals. The maximum number is 4.
     const uint8_t requestPipelineMaxDepth = 4;
     UPDATE(ANDROID_REQUEST_PIPELINE_MAX_DEPTH, &requestPipelineMaxDepth, 1);
-    UPDATE(ANDROID_REQUEST_PIPELINE_DEPTH, &requestPipelineMaxDepth, 1);
 
     // Three numbers represent the maximum numbers of different types of output
     // streams simultaneously. The types are raw sensor, processed (but not
@@ -355,7 +347,6 @@
         ANDROID_SENSOR_TEST_PATTERN_MODE_OFF};
     UPDATE(ANDROID_SENSOR_AVAILABLE_TEST_PATTERN_MODES, testPatternModes,
            ARRAY_SIZE(testPatternModes));
-    UPDATE(ANDROID_SENSOR_TEST_PATTERN_MODE, &testPatternModes[0], 1);
 
     const uint8_t timestampSource = ANDROID_SENSOR_INFO_TIMESTAMP_SOURCE_UNKNOWN;
     UPDATE(ANDROID_SENSOR_INFO_TIMESTAMP_SOURCE, &timestampSource, 1);
@@ -576,7 +567,6 @@
     std::vector<int32_t> streamConfigurations;
     std::vector<int64_t> minFrameDurations;
     std::vector<int64_t> stallDurations;
-    int64_t maxFrameDuration = 0;
     int32_t maxFps = std::numeric_limits<int32_t>::min();
     int32_t minFps = std::numeric_limits<int32_t>::max();
     std::set<int32_t> framerates;
@@ -604,9 +594,6 @@
             if (frameDuration < minFrameDuration) {
                 minFrameDuration = frameDuration;
             }
-            if (frameDuration > maxFrameDuration) {
-                maxFrameDuration = frameDuration;
-            }
             int32_t frameRateInt = static_cast<int32_t>(fr.getDouble());
             if (minFps > frameRateInt) {
                 minFps = frameRateInt;
@@ -639,14 +626,15 @@
     }
 
     std::vector<int32_t> fpsRanges;
-    // Variable range
-    fpsRanges.push_back(minFps);
-    fpsRanges.push_back(maxFps);
-    // Fixed ranges
+    // FPS ranges
     for (const auto& framerate : framerates) {
-        fpsRanges.push_back(framerate);
+        // Empirical: webcams often have close to 2x fps error and cannot support fixed fps range
+        fpsRanges.push_back(framerate / 2);
         fpsRanges.push_back(framerate);
     }
+    minFps /= 2;
+    int64_t maxFrameDuration = 1000000000LL / minFps;
+
     UPDATE(ANDROID_CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES, fpsRanges.data(),
            fpsRanges.size());
 
diff --git a/camera/device/3.4/default/ExternalCameraDeviceSession.cpp b/camera/device/3.4/default/ExternalCameraDeviceSession.cpp
index 5569439..7015bcb 100644
--- a/camera/device/3.4/default/ExternalCameraDeviceSession.cpp
+++ b/camera/device/3.4/default/ExternalCameraDeviceSession.cpp
@@ -47,6 +47,9 @@
 const int kBadFramesAfterStreamOn = 1; // drop x frames after streamOn to get rid of some initial
                                        // bad frames. TODO: develop a better bad frame detection
                                        // method
+constexpr int MAX_RETRY = 15; // Allow retry some ioctl failures a few times to account for some
+                             // webcam showing temporarily ioctl failures.
+constexpr int IOCTL_RETRY_SLEEP_US = 33000; // 33ms * MAX_RETRY = 5 seconds
 
 bool tryLock(Mutex& mutex)
 {
@@ -1480,6 +1483,7 @@
 
     int jpegQuality, thumbQuality;
     Size thumbSize;
+    bool outputThumbnail = true;
 
     if (req->setting.exists(ANDROID_JPEG_QUALITY)) {
         camera_metadata_entry entry =
@@ -1505,6 +1509,9 @@
         thumbSize = Size { static_cast<uint32_t>(entry.data.i32[0]),
                            static_cast<uint32_t>(entry.data.i32[1])
         };
+        if (thumbSize.width == 0 && thumbSize.height == 0) {
+            outputThumbnail = false;
+        }
     } else {
         return lfail(
             "%s: ANDROID_JPEG_THUMBNAIL_SIZE not set", __FUNCTION__);
@@ -1532,14 +1539,16 @@
     /* Hold actual thumbnail and main image code sizes */
     size_t thumbCodeSize = 0, jpegCodeSize = 0;
     /* Temporary thumbnail code buffer */
-    std::vector<uint8_t> thumbCode(maxThumbCodeSize);
+    std::vector<uint8_t> thumbCode(outputThumbnail ? maxThumbCodeSize : 0);
 
     YCbCrLayout yu12Thumb;
-    ret = cropAndScaleThumbLocked(mYu12Frame, thumbSize, &yu12Thumb);
+    if (outputThumbnail) {
+        ret = cropAndScaleThumbLocked(mYu12Frame, thumbSize, &yu12Thumb);
 
-    if (ret != 0) {
-        return lfail(
-            "%s: crop and scale thumbnail failed!", __FUNCTION__);
+        if (ret != 0) {
+            return lfail(
+                "%s: crop and scale thumbnail failed!", __FUNCTION__);
+        }
     }
 
     /* Scale and crop main jpeg */
@@ -1550,12 +1559,14 @@
     }
 
     /* Encode the thumbnail image */
-    ret = encodeJpegYU12(thumbSize, yu12Thumb,
-            thumbQuality, 0, 0,
-            &thumbCode[0], maxThumbCodeSize, thumbCodeSize);
+    if (outputThumbnail) {
+        ret = encodeJpegYU12(thumbSize, yu12Thumb,
+                thumbQuality, 0, 0,
+                &thumbCode[0], maxThumbCodeSize, thumbCodeSize);
 
-    if (ret != 0) {
-        return lfail("%s: encodeJpegYU12 failed with %d",__FUNCTION__, ret);
+        if (ret != 0) {
+            return lfail("%s: thumbnail encodeJpegYU12 failed with %d",__FUNCTION__, ret);
+        }
     }
 
     /* Combine camera characteristics with request settings to form EXIF
@@ -1570,11 +1581,7 @@
 
     utils->setFromMetadata(meta, jpegSize.width, jpegSize.height);
 
-    /* Check if we made a non-zero-sized thumbnail. Currently not possible
-     * that we got this far and the code is size 0, but if this code moves
-     * around it might become relevant again */
-
-    ret = utils->generateApp1(thumbCodeSize ? &thumbCode[0] : 0, thumbCodeSize);
+    ret = utils->generateApp1(outputThumbnail ? &thumbCode[0] : 0, thumbCodeSize);
 
     if (!ret) {
         return lfail("%s: generating APP1 failed", __FUNCTION__);
@@ -2109,8 +2116,20 @@
     fmt.fmt.pix.pixelformat = v4l2Fmt.fourcc;
     ret = TEMP_FAILURE_RETRY(ioctl(mV4l2Fd.get(), VIDIOC_S_FMT, &fmt));
     if (ret < 0) {
-        ALOGE("%s: S_FMT ioctl failed: %s", __FUNCTION__, strerror(errno));
-        return -errno;
+        int numAttempt = 0;
+        while (ret < 0) {
+            ALOGW("%s: VIDIOC_S_FMT failed, wait 33ms and try again", __FUNCTION__);
+            usleep(IOCTL_RETRY_SLEEP_US); // sleep 100 ms and try again
+            ret = TEMP_FAILURE_RETRY(ioctl(mV4l2Fd.get(), VIDIOC_S_FMT, &fmt));
+            if (numAttempt == MAX_RETRY) {
+                break;
+            }
+            numAttempt++;
+        }
+        if (ret < 0) {
+            ALOGE("%s: S_FMT ioctl failed: %s", __FUNCTION__, strerror(errno));
+            return -errno;
+        }
     }
 
     if (v4l2Fmt.width != fmt.fmt.pix.width || v4l2Fmt.height != fmt.fmt.pix.height ||
@@ -2199,9 +2218,22 @@
 
     // VIDIOC_STREAMON: start streaming
     v4l2_buf_type capture_type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-    if (TEMP_FAILURE_RETRY(ioctl(mV4l2Fd.get(), VIDIOC_STREAMON, &capture_type)) < 0) {
-        ALOGE("%s: VIDIOC_STREAMON failed: %s", __FUNCTION__, strerror(errno));
-        return -errno;
+    ret = TEMP_FAILURE_RETRY(ioctl(mV4l2Fd.get(), VIDIOC_STREAMON, &capture_type));
+    if (ret < 0) {
+        int numAttempt = 0;
+        while (ret < 0) {
+            ALOGW("%s: VIDIOC_STREAMON failed, wait 33ms and try again", __FUNCTION__);
+            usleep(IOCTL_RETRY_SLEEP_US); // sleep 100 ms and try again
+            ret = TEMP_FAILURE_RETRY(ioctl(mV4l2Fd.get(), VIDIOC_STREAMON, &capture_type));
+            if (numAttempt == MAX_RETRY) {
+                break;
+            }
+            numAttempt++;
+        }
+        if (ret < 0) {
+            ALOGE("%s: VIDIOC_STREAMON ioctl failed: %s", __FUNCTION__, strerror(errno));
+            return -errno;
+        }
     }
 
     // Swallow first few frames after streamOn to account for bad frames from some devices
@@ -2220,6 +2252,8 @@
         }
     }
 
+    ALOGI("%s: start V4L2 streaming %dx%d@%ffps",
+                __FUNCTION__, v4l2Fmt.width, v4l2Fmt.height, fps);
     mV4l2StreamingFmt = v4l2Fmt;
     mV4l2Streaming = true;
     return OK;
@@ -2388,6 +2422,7 @@
     uint32_t maxDim = 0;
     for (const auto& stream : config.streams) {
         float aspectRatio = ASPECT_RATIO(stream);
+        ALOGI("%s: request stream %dx%d", __FUNCTION__, stream.width, stream.height);
         if ((mCroppingType == VERTICAL && aspectRatio < desiredAr) ||
                 (mCroppingType == HORIZONTAL && aspectRatio > desiredAr)) {
             desiredAr = aspectRatio;
@@ -2572,6 +2607,9 @@
     const uint8_t nrMode = ANDROID_NOISE_REDUCTION_MODE_OFF;
     UPDATE(md, ANDROID_NOISE_REDUCTION_MODE, &nrMode, 1);
 
+    const int32_t testPatternModes = ANDROID_SENSOR_TEST_PATTERN_MODE_OFF;
+    UPDATE(md, ANDROID_SENSOR_TEST_PATTERN_MODE, &testPatternModes, 1);
+
     const uint8_t fdMode = ANDROID_STATISTICS_FACE_DETECT_MODE_OFF;
     UPDATE(md, ANDROID_STATISTICS_FACE_DETECT_MODE, &fdMode, 1);
 
@@ -2596,7 +2634,7 @@
         }
     }
     int32_t defaultFramerate = support30Fps ? 30 : maxFps;
-    int32_t defaultFpsRange[] = {defaultFramerate, defaultFramerate};
+    int32_t defaultFpsRange[] = {defaultFramerate / 2, defaultFramerate};
     UPDATE(md, ANDROID_CONTROL_AE_TARGET_FPS_RANGE, defaultFpsRange, ARRAY_SIZE(defaultFpsRange));
 
     uint8_t antibandingMode = ANDROID_CONTROL_AE_ANTIBANDING_MODE_AUTO;
@@ -2691,6 +2729,10 @@
     const uint8_t flashState = ANDROID_FLASH_STATE_UNAVAILABLE;
     UPDATE(md, ANDROID_FLASH_STATE, &flashState, 1);
 
+    // This means pipeline latency of X frame intervals. The maximum number is 4.
+    const uint8_t requestPipelineMaxDepth = 4;
+    UPDATE(md, ANDROID_REQUEST_PIPELINE_DEPTH, &requestPipelineMaxDepth, 1);
+
     // android.scaler
     const int32_t crop_region[] = {
           active_array_size.data.i32[0], active_array_size.data.i32[1],
diff --git a/camera/device/3.4/default/ExternalCameraUtils.cpp b/camera/device/3.4/default/ExternalCameraUtils.cpp
index d28a4dd..2e2f73b 100644
--- a/camera/device/3.4/default/ExternalCameraUtils.cpp
+++ b/camera/device/3.4/default/ExternalCameraUtils.cpp
@@ -283,9 +283,8 @@
         numVideoBuffers(kDefaultNumVideoBuffer),
         numStillBuffers(kDefaultNumStillBuffer) {
     fpsLimits.push_back({/*Size*/{ 640,  480}, /*FPS upper bound*/30.0});
-    fpsLimits.push_back({/*Size*/{1280,  720}, /*FPS upper bound*/15.0});
-    fpsLimits.push_back({/*Size*/{1920, 1080}, /*FPS upper bound*/10.0});
-    fpsLimits.push_back({/*Size*/{4096, 3072}, /*FPS upper bound*/5.0});
+    fpsLimits.push_back({/*Size*/{1280,  720}, /*FPS upper bound*/7.5});
+    fpsLimits.push_back({/*Size*/{1920, 1080}, /*FPS upper bound*/5.0});
 }
 
 
diff --git a/camera/metadata/3.3/types.hal b/camera/metadata/3.3/types.hal
index ba9eead..4f3f678 100644
--- a/camera/metadata/3.3/types.hal
+++ b/camera/metadata/3.3/types.hal
@@ -74,6 +74,17 @@
      */
     ANDROID_LENS_POSE_REFERENCE = android.hardware.camera.metadata@3.2::CameraMetadataTag:ANDROID_LENS_END,
 
+    /** android.lens.distortion [dynamic, float[], public]
+     *
+     * <p>The correction coefficients to correct for this camera device's
+     * radial and tangential lens distortion.</p>
+     * <p>Replaces the deprecated ANDROID_LENS_RADIAL_DISTORTION field, which was
+     * inconsistently defined.</p>
+     *
+     * @see ANDROID_LENS_RADIAL_DISTORTION
+     */
+    ANDROID_LENS_DISTORTION,
+
     ANDROID_LENS_END_3_3,
 
     /** android.request.availableSessionKeys [static, int32[], ndk_public]
diff --git a/camera/provider/2.4/ICameraProvider.hal b/camera/provider/2.4/ICameraProvider.hal
index abb6366..8773bc0 100644
--- a/camera/provider/2.4/ICameraProvider.hal
+++ b/camera/provider/2.4/ICameraProvider.hal
@@ -35,7 +35,8 @@
  * where
  *   - <major>/<minor> is the provider HAL HIDL version,
  *   - <type> is the type of devices this provider knows about, such as
- *     "internal", "legacy", "external", or "remote"
+ *     "internal", "legacy", "external", "remote" etc. The camera framework
+ *     must not differentiate or chage its behavior based on the specific type.
  *   - <instance> is a non-negative integer starting from 0 to disambiguate
  *     between multiple HALs of the same type.
  *
diff --git a/camera/provider/2.4/default/ExternalCameraProvider.cpp b/camera/provider/2.4/default/ExternalCameraProvider.cpp
index faa4e3a..285e96b 100644
--- a/camera/provider/2.4/default/ExternalCameraProvider.cpp
+++ b/camera/provider/2.4/default/ExternalCameraProvider.cpp
@@ -75,6 +75,9 @@
         Mutex::Autolock _l(mLock);
         mCallbacks = callback;
     }
+    if (mCallbacks == nullptr) {
+        return Status::OK;
+    }
     // Send a callback for all devices to initialize
     {
         for (const auto& pair : mCameraStatusMap) {
diff --git a/camera/provider/2.4/vts/functional/VtsHalCameraProviderV2_4TargetTest.cpp b/camera/provider/2.4/vts/functional/VtsHalCameraProviderV2_4TargetTest.cpp
index abd875a..5feec87 100644
--- a/camera/provider/2.4/vts/functional/VtsHalCameraProviderV2_4TargetTest.cpp
+++ b/camera/provider/2.4/vts/functional/VtsHalCameraProviderV2_4TargetTest.cpp
@@ -16,6 +16,7 @@
 
 #define LOG_TAG "camera_hidl_hal_test"
 
+#include <algorithm>
 #include <chrono>
 #include <mutex>
 #include <regex>
@@ -65,6 +66,7 @@
 using ::android::BufferItemConsumer;
 using ::android::Surface;
 using ::android::hardware::graphics::common::V1_0::BufferUsage;
+using ::android::hardware::graphics::common::V1_0::Dataspace;
 using ::android::hardware::graphics::common::V1_0::PixelFormat;
 using ::android::hardware::camera::common::V1_0::Status;
 using ::android::hardware::camera::common::V1_0::CameraDeviceStatus;
@@ -1084,7 +1086,7 @@
 }
 
 hidl_vec<hidl_string> CameraHidlTest::getCameraDeviceNames(sp<ICameraProvider> provider) {
-    hidl_vec<hidl_string> cameraDeviceNames;
+    std::vector<std::string> cameraDeviceNames;
     Return<void> ret;
     ret = provider->getCameraIdList(
         [&](auto status, const auto& idList) {
@@ -1093,12 +1095,50 @@
                 ALOGI("Camera Id[%zu] is %s", i, idList[i].c_str());
             }
             ASSERT_EQ(Status::OK, status);
-            cameraDeviceNames = idList;
+            for (const auto& id : idList) {
+                cameraDeviceNames.push_back(id);
+            }
         });
     if (!ret.isOk()) {
         ADD_FAILURE();
     }
-    return cameraDeviceNames;
+
+    // External camera devices are reported through cameraDeviceStatusChange
+    struct ProviderCb : public ICameraProviderCallback {
+        virtual Return<void> cameraDeviceStatusChange(
+                const hidl_string& devName,
+                CameraDeviceStatus newStatus) override {
+            ALOGI("camera device status callback name %s, status %d",
+                    devName.c_str(), (int) newStatus);
+            if (newStatus == CameraDeviceStatus::PRESENT) {
+                externalCameraDeviceNames.push_back(devName);
+
+            }
+            return Void();
+        }
+
+        virtual Return<void> torchModeStatusChange(
+                const hidl_string&, TorchModeStatus) override {
+            return Void();
+        }
+
+        std::vector<std::string> externalCameraDeviceNames;
+    };
+    sp<ProviderCb> cb = new ProviderCb;
+    auto status = mProvider->setCallback(cb);
+
+    for (const auto& devName : cb->externalCameraDeviceNames) {
+        if (cameraDeviceNames.end() == std::find(
+                cameraDeviceNames.begin(), cameraDeviceNames.end(), devName)) {
+            cameraDeviceNames.push_back(devName);
+        }
+    }
+
+    hidl_vec<hidl_string> retList(cameraDeviceNames.size());
+    for (size_t i = 0; i < cameraDeviceNames.size(); i++) {
+        retList[i] = cameraDeviceNames[i];
+    }
+    return retList;
 }
 
 // Test devices with first_api_level >= P does not advertise device@1.0
@@ -2010,7 +2050,8 @@
                         ASSERT_TRUE(
                                 hardwareLevel == ANDROID_INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED ||
                                 hardwareLevel == ANDROID_INFO_SUPPORTED_HARDWARE_LEVEL_FULL ||
-                                hardwareLevel == ANDROID_INFO_SUPPORTED_HARDWARE_LEVEL_3);
+                                hardwareLevel == ANDROID_INFO_SUPPORTED_HARDWARE_LEVEL_3 ||
+                                hardwareLevel == ANDROID_INFO_SUPPORTED_HARDWARE_LEVEL_EXTERNAL);
                     } else {
                         ADD_FAILURE() << "Get camera hardware level failed!";
                     }
@@ -2440,13 +2481,14 @@
         int32_t streamId = 0;
         for (auto& it : outputStreams) {
             V3_2::Stream stream3_2;
+            bool isJpeg = static_cast<PixelFormat>(it.format) == PixelFormat::BLOB;
             stream3_2 = {streamId,
                              StreamType::OUTPUT,
                              static_cast<uint32_t>(it.width),
                              static_cast<uint32_t>(it.height),
                              static_cast<PixelFormat>(it.format),
                              GRALLOC1_CONSUMER_USAGE_HWCOMPOSER,
-                             0,
+                             (isJpeg) ? static_cast<V3_2::DataspaceFlags>(Dataspace::V0_JFIF) : 0,
                              StreamRotation::ROTATION_0};
             ::android::hardware::hidl_vec<V3_2::Stream> streams3_2 = {stream3_2};
             ::android::hardware::camera::device::V3_4::StreamConfiguration config3_4;
@@ -2897,7 +2939,7 @@
                                      static_cast<uint32_t>(blobIter.height),
                                      static_cast<PixelFormat>(blobIter.format),
                                      GRALLOC1_CONSUMER_USAGE_CPU_READ,
-                                     0,
+                                     static_cast<V3_2::DataspaceFlags>(Dataspace::V0_JFIF),
                                      StreamRotation::ROTATION_0};
                 ::android::hardware::hidl_vec<V3_2::Stream> streams = {previewStream,
                                                                  blobStream};
@@ -3162,7 +3204,7 @@
                                      static_cast<uint32_t>(blobIter.height),
                                      static_cast<PixelFormat>(blobIter.format),
                                      GRALLOC1_CONSUMER_USAGE_CPU_READ,
-                                     0,
+                                     static_cast<V3_2::DataspaceFlags>(Dataspace::V0_JFIF),
                                      StreamRotation::ROTATION_0};
                 ::android::hardware::hidl_vec<V3_2::Stream> streams = {videoStream, blobStream};
                 ::android::hardware::camera::device::V3_4::StreamConfiguration config3_4;
@@ -3603,8 +3645,9 @@
 
         camera_metadata_entry_t hwLevel = staticMeta.find(ANDROID_INFO_SUPPORTED_HARDWARE_LEVEL);
         ASSERT_TRUE(0 < hwLevel.count);
-        if (ANDROID_INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED == hwLevel.data.u8[0]) {
-            //Limited devices can skip this test
+        if (ANDROID_INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED == hwLevel.data.u8[0] ||
+                ANDROID_INFO_SUPPORTED_HARDWARE_LEVEL_EXTERNAL == hwLevel.data.u8[0]) {
+            //Limited/External devices can skip this test
             ret = session->close();
             ASSERT_TRUE(ret.isOk());
             continue;
diff --git a/compatibility_matrices/compatibility_matrix.current.xml b/compatibility_matrices/compatibility_matrix.current.xml
index 464b4a3..370ffdd 100644
--- a/compatibility_matrices/compatibility_matrix.current.xml
+++ b/compatibility_matrices/compatibility_matrix.current.xml
@@ -1,7 +1,7 @@
 <compatibility-matrix version="1.0" type="framework" level="3">
     <hal format="hidl" optional="false">
         <name>android.hardware.audio</name>
-        <version>2.0</version>
+        <version>4.0</version>
         <interface>
             <name>IDevicesFactory</name>
             <instance>default</instance>
@@ -9,7 +9,7 @@
     </hal>
     <hal format="hidl" optional="false">
         <name>android.hardware.audio.effect</name>
-        <version>2.0</version>
+        <version>4.0</version>
         <interface>
             <name>IEffectsFactory</name>
             <instance>default</instance>
@@ -182,7 +182,14 @@
         <interface>
             <name>IKeymasterDevice</name>
             <instance>default</instance>
-	    <!-- TODO: strongbox here? -->
+        </interface>
+    </hal>
+    <hal format="hidl" optional="true">
+        <name>android.hardware.keymaster</name>
+        <version>4.0</version>
+        <interface>
+            <name>IKeymasterDevice</name>
+            <instance>strongbox</instance>
         </interface>
     </hal>
     <hal format="hidl" optional="true">
@@ -214,6 +221,15 @@
         </interface>
     </hal>
     <hal format="hidl" optional="true">
+        <name>android.hardware.neuralnetworks</name>
+        <version>1.0</version>
+        <interface>
+            <name>IDevice</name>
+            <!-- TODO(b/73738616): This should be * (match any) -->
+            <instance>hvx</instance>
+        </interface>
+    </hal>
+    <hal format="hidl" optional="true">
         <name>android.hardware.nfc</name>
         <version>1.0</version>
         <interface>
@@ -275,7 +291,7 @@
     </hal>
     <hal format="hidl" optional="true">
         <name>android.hardware.soundtrigger</name>
-        <version>2.0</version>
+        <version>2.0-1</version>
         <interface>
             <name>ISoundTriggerHw</name>
             <instance>default</instance>
@@ -330,8 +346,16 @@
         </interface>
     </hal>
     <hal format="hidl" optional="true">
+        <name>android.hardware.usb.gadget</name>
+        <version>1.0</version>
+        <interface>
+            <name>IUsbGadget</name>
+            <instance>default</instance>
+        </interface>
+    </hal>
+    <hal format="hidl" optional="true">
         <name>android.hardware.vibrator</name>
-        <version>1.0-1</version>
+        <version>1.0-2</version>
         <interface>
             <name>IVibrator</name>
             <instance>default</instance>
@@ -355,13 +379,21 @@
     </hal>
     <hal format="hidl" optional="true">
         <name>android.hardware.wifi</name>
-        <version>1.0-1</version>
+        <version>1.0-2</version>
         <interface>
             <name>IWifi</name>
             <instance>default</instance>
         </interface>
     </hal>
     <hal format="hidl" optional="true">
+        <name>android.hardware.wifi.hostapd</name>
+        <version>1.0</version>
+        <interface>
+            <name>IHostapd</name>
+            <instance>default</instance>
+        </interface>
+    </hal>
+    <hal format="hidl" optional="true">
         <name>android.hardware.wifi.offload</name>
         <version>1.0</version>
         <interface>
@@ -371,7 +403,7 @@
     </hal>
     <hal format="hidl" optional="true">
         <name>android.hardware.wifi.supplicant</name>
-        <version>1.0</version>
+        <version>1.0-1</version>
         <interface>
             <name>ISupplicant</name>
             <instance>default</instance>
diff --git a/confirmationui/1.0/default/ConfirmationUI.cpp b/confirmationui/1.0/default/ConfirmationUI.cpp
index f241a76..41e03ce 100644
--- a/confirmationui/1.0/default/ConfirmationUI.cpp
+++ b/confirmationui/1.0/default/ConfirmationUI.cpp
@@ -43,7 +43,12 @@
     const hidl_vec<uint8_t>& extraData, const hidl_string& locale,
     const hidl_vec<UIOption>& uiOptions) {
     auto& operation = MyOperation::get();
-    return operation.init(resultCB, promptText, extraData, locale, uiOptions);
+    auto result = operation.init(resultCB, promptText, extraData, locale, uiOptions);
+    if (result == ResponseCode::OK) {
+        // This is where implementation start the UI and then call setPending on success.
+        operation.setPending();
+    }
+    return result;
 }
 
 Return<ResponseCode> ConfirmationUI::deliverSecureInputEvent(
diff --git a/confirmationui/1.0/default/PlatformSpecifics.h b/confirmationui/1.0/default/PlatformSpecifics.h
index 18b88c8..488da6d 100644
--- a/confirmationui/1.0/default/PlatformSpecifics.h
+++ b/confirmationui/1.0/default/PlatformSpecifics.h
@@ -52,8 +52,14 @@
         const uint8_t key[32], std::initializer_list<support::ByteBufferProxy> buffers);
 };
 
-using MyOperation = generic::Operation<sp<IConfirmationResultCallback>, MonotonicClockTimeStamper,
-                                       HMacImplementation>;
+class MyOperation : public generic::Operation<sp<IConfirmationResultCallback>,
+                                              MonotonicClockTimeStamper, HMacImplementation> {
+   public:
+    static MyOperation& get() {
+        static MyOperation op;
+        return op;
+    }
+};
 
 }  // namespace implementation
 }  // namespace V1_0
diff --git a/confirmationui/1.0/default/android.hardware.confirmationui@1.0-service.rc b/confirmationui/1.0/default/android.hardware.confirmationui@1.0-service.rc
index a278028..c04e55e 100644
--- a/confirmationui/1.0/default/android.hardware.confirmationui@1.0-service.rc
+++ b/confirmationui/1.0/default/android.hardware.confirmationui@1.0-service.rc
@@ -1,4 +1,4 @@
 service vendor.confirmationui-1-0 /vendor/bin/hw/android.hardware.confirmationui@1.0-service
     class hal
-    user system
-    group system drmrpc
+    user nobody
+    group drmrpc
diff --git a/confirmationui/support/include/android/hardware/confirmationui/1.0/generic/GenericOperation.h b/confirmationui/support/include/android/hardware/confirmationui/1.0/generic/GenericOperation.h
index a88cd40..b480942 100644
--- a/confirmationui/support/include/android/hardware/confirmationui/1.0/generic/GenericOperation.h
+++ b/confirmationui/support/include/android/hardware/confirmationui/1.0/generic/GenericOperation.h
@@ -55,10 +55,27 @@
         (void)uiOptions;
         resultCB_ = resultCB;
         if (error_ != ResponseCode::Ignored) return ResponseCode::OperationPending;
-        // TODO make copy of promptText before using it may reside in shared buffer
-        auto state = write(
-            WriteState(formattedMessageBuffer_),
-            map(pair(text("prompt"), text(promptText)), pair(text("extra"), bytes(extraData))));
+
+        // We need to access the prompt text multiple times. Once for formatting the CBOR message
+        // and again for rendering the dialog. It is vital that the prompt does not change
+        // in the meantime. As of this point the prompt text is in a shared buffer and therefore
+        // susceptible to TOCTOU attacks. Note that promptText.size() resides on the stack and
+        // is safe to access multiple times. So now we copy the prompt string into the
+        // scratchpad promptStringBuffer_ from where we can format the CBOR message and then
+        // pass it to the renderer.
+        if (promptText.size() >= uint32_t(MessageSize::MAX))
+            return ResponseCode::UIErrorMessageTooLong;
+        auto pos = std::copy(promptText.c_str(), promptText.c_str() + promptText.size(),
+                             promptStringBuffer_);
+        *pos = 0;  // null-terminate the prompt for the renderer.
+
+        // Note the extra data is accessed only once for formating the CBOR message. So it is safe
+        // to read it from the shared buffer directly. Anyway we don't trust or interpret the
+        // extra data in any way so all we do is take a snapshot and we don't care if it is
+        // modified concurrently.
+        auto state = write(WriteState(formattedMessageBuffer_),
+                           map(pair(text("prompt"), text(promptStringBuffer_, promptText.size())),
+                               pair(text("extra"), bytes(extraData))));
         switch (state.error_) {
             case Error::OK:
                 break;
@@ -71,20 +88,20 @@
                 return ResponseCode::Unexpected;
         }
         formattedMessageLength_ = state.data_ - formattedMessageBuffer_;
-        // setup TUI and diagnose more UI errors here.
+
         // on success record the start time
         startTime_ = TimeStamper::now();
         if (!startTime_.isOk()) {
             return ResponseCode::SystemError;
         }
-        error_ = ResponseCode::OK;
         return ResponseCode::OK;
     }
 
+    void setPending() { error_ = ResponseCode::OK; }
+
     void setHmacKey(const uint8_t (&key)[32]) { hmacKey_ = {key}; }
 
     void abort() {
-        // tear down TUI here
         if (isPending()) {
             resultCB_->result(ResponseCode::Aborted, {}, {});
             error_ = ResponseCode::Ignored;
@@ -92,7 +109,6 @@
     }
 
     void userCancel() {
-        // tear down TUI here
         if (isPending()) error_ = ResponseCode::Canceled;
     }
 
@@ -104,10 +120,10 @@
     }
 
     bool isPending() const { return error_ != ResponseCode::Ignored; }
-
-    static Operation& get() {
-        static Operation operation;
-        return operation;
+    const hidl_string getPrompt() const {
+        hidl_string s;
+        s.setToExternal(promptStringBuffer_, strlen(promptStringBuffer_));
+        return s;
     }
 
     ResponseCode deliverSecureInputEvent(const HardwareAuthToken& secureInputToken) {
@@ -156,7 +172,6 @@
         return result;
     }
     hidl_vec<uint8_t> userConfirm(const uint8_t key[32]) {
-        // tear down TUI here
         if (error_ != ResponseCode::OK) return {};
         confirmationTokenScratchpad_ = HMacer::hmac256(key, "confirmation token", getMessage());
         if (!confirmationTokenScratchpad_.isOk()) {
@@ -169,9 +184,10 @@
         return result;
     }
 
-    ResponseCode error_;
+    ResponseCode error_ = ResponseCode::Ignored;
     uint8_t formattedMessageBuffer_[uint32_t(MessageSize::MAX)];
-    size_t formattedMessageLength_;
+    char promptStringBuffer_[uint32_t(MessageSize::MAX)];
+    size_t formattedMessageLength_ = 0;
     NullOr<array<uint8_t, 32>> confirmationTokenScratchpad_;
     Callback resultCB_;
     typename TimeStamper::TimeStamp startTime_;
diff --git a/current.txt b/current.txt
index 05660a8..fdf17be 100644
--- a/current.txt
+++ b/current.txt
@@ -251,10 +251,122 @@
 
 # ABI preserving changes to HALs during Android P
 cf72ff5a52bfa4d08e9e1000cf3ab5952a2d280c7f13cdad5ab7905c08050766 android.hardware.camera.metadata@3.2::types
-7b4723305354193b889a24153e1292fec62d5a5127bdfba08a5a27440f092de9 android.hardware.camera.provider@2.4::ICameraProvider
+3902efc42097cba55f0655aa389e052ea70164e99ced1a6d1ef53dafc13f7650 android.hardware.camera.provider@2.4::ICameraProvider
 6fa9804a17a8bb7923a56bd10493a5483c20007e4c9026fd04287bee7c945a8c android.hardware.gnss@1.0::IGnssCallback
 fb92e2b40f8e9d494e8fd3b4ac18499a3216342e7cff160714c3bbf3660b6e79 android.hardware.gnss@1.0::IGnssConfiguration
 251594ea9b27447bfa005ebd806e58fb0ae4aad84a69938129c9800ec0c64eda android.hardware.gnss@1.0::IGnssMeasurementCallback
 4e7169919d24fbe5573e5bcd683d0bd7abf553a4e6c34c41f9dfc1e12050db07 android.hardware.gnss@1.0::IGnssNavigationMessageCallback
-0e6e80ddd5c312726e20b003af438325a2d7c305a60a8c8d8e229df2306d50df android.hardware.radio@1.0::types
+d4840db8efabdf1e4b344fc981cd36e5fe81a39aff6e199f6d06c1c8da413efd android.hardware.radio@1.0::types
 b280c4704dfcc548a9bf127b59b7c3578f460c50cce70a06b66fe0df8b27cff0 android.hardware.wifi@1.0::types
+
+# HALs released in Android P
+5860cf040a3d5d771967ecf648b00d06876a7120da985ee2b3e95d01f634dd20 android.hardware.audio@4.0::IDevice
+cf82a0249e918fdc657e189895e92d60af0491868477e82cdc30f6cab0ca2c65 android.hardware.audio@4.0::IDevicesFactory
+be3dc9baed45a0d330152eca3ca24fa419b375b20a41644c88d4fb46b72784d2 android.hardware.audio@4.0::IPrimaryDevice
+3e3acb70c4e6c7d578f511f4a44ee764ab9126f887a3bf65d523c42e40012bf6 android.hardware.audio@4.0::IStream
+d5de64e66b95f135dd42492250a309134b8227203ef3524440798c66b6f5a392 android.hardware.audio@4.0::IStreamIn
+888ac906461327fa0bd93854d5109be8c292a33afdb467164826970a8bd5b789 android.hardware.audio@4.0::IStreamOut
+15f6ae78e73344c8e7d68847ef03caec64fcd9f951bbcf59957d1712c247fcff android.hardware.audio@4.0::IStreamOutCallback
+e8abfc73b7f3c2095ea4fad83b5f42bced4315de2abcc3199376af880dac451b android.hardware.audio@4.0::types
+5d47a2ad2c136b8aba067dd45bb10d0ad390dd76340764154f580658f98f4fe6 android.hardware.audio.common@4.0::types
+b04b6b364938b80008e61fa2e318bc299622433e57c2e1f6cfba332a3f6e3f15 android.hardware.audio.effect@4.0::IAcousticEchoCancelerEffect
+1c17d4ece5c8ba3f7a646a305ee0dd109b0d51372e1bd585812e513cd40e1852 android.hardware.audio.effect@4.0::IAutomaticGainControlEffect
+34174259fe6fbb1bb14e7103e097f2f25529271a676687845b2f55d6d0d9d617 android.hardware.audio.effect@4.0::IBassBoostEffect
+7a18e9bd0163f3784448f6e24be0db75f877e2f0f9bd0d7ec427f1c34b382c0b android.hardware.audio.effect@4.0::IDownmixEffect
+bac81bffbe2661d5b6839087d2dd3a27eded66e60c6c76d35c68d54014cd5c06 android.hardware.audio.effect@4.0::IEffect
+65f0bcf9e498b26f3266ad10cf513a6c2b5906cc49f9db4bc5c7d3ba11a72e05 android.hardware.audio.effect@4.0::IEffectBufferProviderCallback
+5a746e81175489eb2371b88864c36c9bb63bc64ef799fae74cd96003b013c0d1 android.hardware.audio.effect@4.0::IEffectsFactory
+839980c7c5be79da6b95fdb9354a62b04407b4b084749b7a21d2c340773d7638 android.hardware.audio.effect@4.0::IEnvironmentalReverbEffect
+2805fbdac7cff050a1c095b9276bb41ac02a3b7b354336817487eb9a4b6bb462 android.hardware.audio.effect@4.0::IEqualizerEffect
+a91b547f5922f39fe4231d97fac1c3825c1c1b0c8ef7a5136689ceed37e8bfe9 android.hardware.audio.effect@4.0::ILoudnessEnhancerEffect
+1145f5b921ddec184fda5bdc87487b46f2a89cd9f42cc882bbb3a54f4ac80466 android.hardware.audio.effect@4.0::INoiseSuppressionEffect
+3661fa0623056922fdc4235ac5a9c91a2d066ab6f1ab4297e3b240fe302ba500 android.hardware.audio.effect@4.0::IPresetReverbEffect
+e88e520f8c98a62fccd8d5316c6687808f775de145d1405a7a9a66587ee6a001 android.hardware.audio.effect@4.0::IVirtualizerEffect
+fe28829dab10d171783b79ac9cc45412739f8ff275e90228d7c6370ef189b859 android.hardware.audio.effect@4.0::IVisualizerEffect
+5d92f6fd58d40c56611bb12f03be6af9bcf2bb73dfb35b77a99bbf2c3ea5439b android.hardware.audio.effect@4.0::types
+42a06dc288f61b0690580f3d37b30b663c31d74d50bb58d0772386b550d5faab android.hardware.authsecret@1.0::IAuthSecret
+a0f93c768c353cecee6237fe479bce47404eb10b629fafe07e32a054fd67f2af android.hardware.automotive.audiocontrol@1.0::IAudioControl
+ca515ff4b63c80cf5ad7b3395c997c57d6c56157361f6c367d1c96f23cc4860a android.hardware.automotive.audiocontrol@1.0::types
+f2904a4c108ad1b93eb2fa4e43b82bd01ce1ff26156316e49d1d9fc80dfecaad android.hardware.automotive.evs@1.0::IEvsCamera
+94cba6ad04c83aa840de2ed52b74ba2126a26dd960225e61ac36703315279a80 android.hardware.automotive.evs@1.0::IEvsCameraStream
+5ea36fb043d9e3b413219de3dfd7b046b48af4fda39f167f3528652e986cb76d android.hardware.automotive.evs@1.0::IEvsDisplay
+14ef8e993a4a7c899b19bb5e39b5b0cafd28312ea2b127e35b3be8f08e23fe8e android.hardware.automotive.evs@1.0::IEvsEnumerator
+3b17c1fdfc389e0abe626c37054954b07201127d890c2bc05d47613ec1f4de4f android.hardware.automotive.evs@1.0::types
+b3caf524c46a47d67e6453a34419e1881942d059e146cda740502670e9a752c3 android.hardware.automotive.vehicle@2.0::IVehicle
+80fb4156fa91ce86e49bd2cabe215078f6b69591d416a09e914532eae6712052 android.hardware.automotive.vehicle@2.0::IVehicleCallback
+442de3a3d3819ff8b8bfe9ec710592ca8af7c16bfdb5eb8911b898b8f12b2bb0 android.hardware.automotive.vehicle@2.0::types
+32cc50cc2a7658ec613c0c2dd2accbf6a05113b749852879e818b8b7b438db19 android.hardware.bluetooth.a2dp@1.0::IBluetoothAudioHost
+ff4be64d7992f8bec97dff37f35450e79b3430c61f85f54322ce45bef229dc3b android.hardware.bluetooth.a2dp@1.0::IBluetoothAudioOffload
+27f22d2e873e6201f9620cf4d8e2facb25bd0dd30a2b911e441b4600d560fa62 android.hardware.bluetooth.a2dp@1.0::types
+3d8ed67d807e9f15d0708390a416bee00920f6a22196c104cc9e443c8d217df8 android.hardware.broadcastradio@2.0::IAnnouncementListener
+44017c42e6f4d8cb30f07eb1da04540a98736a336ac28c7e0ed2e69e1589f8d1 android.hardware.broadcastradio@2.0::IBroadcastRadio
+e5f4960290b4f3089163dd43251e1a032c81e9bdb796e75a87fc7c5810c262b3 android.hardware.broadcastradio@2.0::ICloseHandle
+7357516e8f4585e211b9b6f271af6fb82d6e9cc208df01851e63118404621e6d android.hardware.broadcastradio@2.0::ITunerCallback
+eacf4e7491fc52c4db90898faddf25ec7bc72501b07ae8737434c47cb845128c android.hardware.broadcastradio@2.0::ITunerSession
+34fe4601072aa5051eb8e41d776a9f6d43f716687de3f5c0031a12e7912ff3d6 android.hardware.broadcastradio@2.0::types
+4fb0725c36ed4f77a42b42e3f18d8b5f7919cb62b90098b23143a555aa7dd96d android.hardware.camera.device@3.4::ICameraDeviceCallback
+812fa66aa10ba0cba27cfddc2fd7f0ee27a8ab65a1f15aa79fdad97d403e6a14 android.hardware.camera.device@3.4::ICameraDeviceSession
+cc288f1f78d1e643eb3d3dbc16e1401d44033d8e6856761f5156814a29986ec7 android.hardware.camera.device@3.4::types
+26462f5a29bef30485f9264115e79e5f5eb6234951dfeb47424709a1b8936030 android.hardware.camera.metadata@3.3::types
+1a46aeae45b7a0e47f79b7207300532986f9d9cd7060779afc7a529f54d712ab android.hardware.confirmationui@1.0::IConfirmationResultCallback
+6d8347ff3cd7de471065ac3e8e68385073630cdeebe9f8fa58cb91cf44436c95 android.hardware.confirmationui@1.0::IConfirmationUI
+a3ff916784dce87a56c757ab5c86433f0cdf562280999a5f978a6e8a0f3f19e7 android.hardware.confirmationui@1.0::types
+1fbf2d7e383632216aaaa1d972a21a618f55659263d2e6f0b309e3cb323b4b63 android.hardware.drm@1.1::ICryptoFactory
+7877ff8e4c1e48b825e6e5e66d050288e5656ed535c61cc7830a92ed4a9e1990 android.hardware.drm@1.1::IDrmFactory
+fef2f0ebde7704548fb203df46673ceb342272fc4fa9d0af25a980d2584a36e7 android.hardware.drm@1.1::IDrmPlugin
+5047a346ecce239404b9020959f60dd467318e9c17b290a6386bc3894df62c3c android.hardware.drm@1.1::types
+be794f5df97f134d6dcabb866b250d1305100e7ae07fb253b7841df890b931bb android.hardware.gnss@1.1::IGnss
+8ad55bc35bb3a83e65c018bdfde7ae5ebc749ff2bf6b79412ded0bc6c89b97d8 android.hardware.gnss@1.1::IGnssCallback
+3c5183d7506010be57e0f748e3640fc2ded1ba955784b6256ba427f4c399591c android.hardware.gnss@1.1::IGnssConfiguration
+b054af24fbb70d54cde1fb5cba126809e7c4e863e8f9115dc492321dfbcbc993 android.hardware.gnss@1.1::IGnssMeasurement
+83e7a10ff3702147bd7ffa04567b20d407a3b16bbb7705644af44d919afe9103 android.hardware.gnss@1.1::IGnssMeasurementCallback
+82da7e7624f72ff1927f48738913e20bee3a513adfe5dc7c4f888176e20376e6 android.hardware.graphics.common@1.1::types
+d9b40a5b09962a5a0780b10fe33a4e607e69e2e088fc83de88a584115b7cb1c0 android.hardware.graphics.composer@2.2::IComposer
+d6ce042995239712bc1d0970fa9d512c15c0b1ac9bcb048bd8b69f617b45c25e android.hardware.graphics.composer@2.2::IComposerClient
+dd83be076b6b3f10ed62ab34d8c8b95f2415961fb785200eb842e7bfb2b0ee92 android.hardware.graphics.mapper@2.1::IMapper
+675682dd3007805c985eaaec91612abc88f4c25b3431fb84070b7584a1a741fb android.hardware.health@2.0::IHealth
+434c4c32c00b0e54bb05e40c79503208b40f786a318029a2a4f66e34f10f2a76 android.hardware.health@2.0::IHealthInfoCallback
+c9e498f1ade5e26f00d290b4763a9671ec6720f915e7d592844b62e8cb1f9b5c android.hardware.health@2.0::types
+a6cf986593c6ad15fe2ae3a1995d2cae233500bc32c055912a42723bdc076868 android.hardware.keymaster@4.0::IKeymasterDevice
+3ce01f7a38013f15d2ffc9c66a81eb85061ab6585fb1e659fe6da36bdcbfa9cf android.hardware.keymaster@4.0::types
+6d5c646a83538f0f9d8438c259932509f4353410c6c76e56db0d6ca98b69c3bb android.hardware.media.bufferpool@1.0::IAccessor
+b8c7ed58aa8740361e63d0ce9e7c94227572a629f356958840b34809d2393a7c android.hardware.media.bufferpool@1.0::IClientManager
+4a2c0dc82780e6c90731725a103feab8ab6ecf85a64e049b9cbd2b2c61620fe1 android.hardware.media.bufferpool@1.0::IConnection
+6aef1218e5949f867b0104752ac536c1b707222a403341720de90141df129e3e android.hardware.media.bufferpool@1.0::types
+1529409ed76ae87facab152b770495e9e62544fcc5215daabf146c28d588bab9 android.hardware.neuralnetworks@1.1::IDevice
+e808a6f61cd7b47887c599d8843e67a2dcbf4ec5aadd5d22fdce93020070ef1b android.hardware.neuralnetworks@1.1::types
+8d3d86da0bfa4bf070970d8303c659f67f35d670c287d45a3f542e4fedadd578 android.hardware.nfc@1.1::INfc
+e85f566698d2a2c28100e264fcf2c691a066756ddf8dd341d009ff50cfe10614 android.hardware.nfc@1.1::INfcClientCallback
+2b8f6165b3d350485eb89eb6e931cf876688cde9155f7b31a8d8fe7abdfe5b95 android.hardware.nfc@1.1::types
+163e115e833fc1d77cdd4a8cf0c833bb8b8d74fe35c880fe693101d17774926f android.hardware.power@1.2::IPower
+7899b9305587b2d5cd74a3cc87e9090f58bf4ae74256ce3ee36e7ec011822840 android.hardware.power@1.2::types
+ab132c990a62f0aca35871c092c22fb9c85d478e22124ef6a4d0a2302da76a9f android.hardware.radio@1.2::IRadio
+cda752aeabaabc20486a82ac57a3dd107785c006094a349bc5e224e8aa22a17c android.hardware.radio@1.2::IRadioIndication
+c38b7e1f808565a535ff19fd4c1b512b22dfa0b58ec91dce03f72a8f1eaf6957 android.hardware.radio@1.2::IRadioResponse
+b65332996eb39ba63300a1011404141fa59ce5c252bc17afae637be6eeca5f55 android.hardware.radio@1.2::ISap
+508ace7d4023b865b8b77c3ca3c86cc9525ef3803dc9c6b461b7c1f91b0fec00 android.hardware.radio@1.2::types
+87385469cf4409f0f33b01508e7a477cf71f2a11e466dd7e3ab5971a1baaa72b android.hardware.radio.config@1.0::IRadioConfig
+228b2ee3c8c276c9f0afad2dc313ca3d6bbd9e482ddf313c7204c60ad9b636ab android.hardware.radio.config@1.0::IRadioConfigIndication
+a2e9b7aa09f79426f765838174e04b6f9a3e6c8b76b923fc1705632207bad44b android.hardware.radio.config@1.0::IRadioConfigResponse
+4307696b64ded9bd8de06887f9dfc533e875c4e0d83b8008df4d705164bde0b1 android.hardware.radio.config@1.0::types
+bd7699f07ba5392310fefd33ea964e01f4f4a66015146845c85055004823cc81 android.hardware.secure_element@1.0::ISecureElement
+a65aa82bbe48d81a9ae9e86247bb1b89fd2d3138d4053d7a5b716c71149b7dee android.hardware.secure_element@1.0::ISecureElementHalCallback
+2984c069f48ba35cd1bf49b0e17daad0d418fef52cb7a4a84dba0043114063d4 android.hardware.secure_element@1.0::types
+b4f507b4dc9b5cd5f0e4445926acb7d94525ae60dc307b3951142283632207b6 android.hardware.soundtrigger@2.1::ISoundTriggerHw
+92c2cc0f06ef744c5bda21f1d660258f7937203109b493eee22c3f3e2dbb0d3e android.hardware.soundtrigger@2.1::ISoundTriggerHwCallback
+8ddfa7542772cc7bca19972b2d856264efa31914bfd098aeb7c2079d950194cb android.hardware.usb.gadget@1.0::IUsbGadget
+ad0a620cda08f01b151c30cb7afa23b0637cc84340cf8dec00ac8e32cf54a8db android.hardware.usb.gadget@1.0::IUsbGadgetCallback
+51fc20f223561ac3a32ace3217837ef3860265bd91c8b7ae3859532caef9bc39 android.hardware.usb.gadget@1.0::types
+1bfc9fd9536ed09f04bcaf222a332bc919f1565d4d08bddccdebe1bfca8f01b5 android.hardware.vibrator@1.2::IVibrator
+a0aefa29881235c21e4761d15c55edc35ef85c2e0d9e01d0966176d1dbf5f811 android.hardware.vibrator@1.2::types
+8bc75a0dfac15c6f87ffec950b76c7d7de30d516b54e8e0b1f3c0ff9c7c6873b android.hardware.wifi@1.2::IWifi
+780c16fdeda13b779d993953a67f7ca578c938a172a9424c1c715ae81bc40fd7 android.hardware.wifi@1.2::IWifiChip
+167af870fdb87e1cbbaa0fa62ef35e1031caad20dd1ba695983dedb1e9993486 android.hardware.wifi@1.2::IWifiChipEventCallback
+8c7ef32fc78d5ec6e6956de3784cc2c6f42614b5272d2e461f6d60534ba38ec2 android.hardware.wifi@1.2::IWifiNanIface
+1e6074efad9da333803fb7c1acdb719d51c30b2e1e92087b0420341631c30b60 android.hardware.wifi@1.2::IWifiNanIfaceEventCallback
+a9d733eb0d555f2a6cb79a212810e81b56ecba0e31a8ffe0916de086a29e4f88 android.hardware.wifi@1.2::IWifiStaIface
+6db2e7d274be2dca9bf3087afd1f774a68c99d2b4dc7eeaf41690e5cebcbef7a android.hardware.wifi@1.2::types
+ee08280de21cb41e3ec26d6ed636c701b7f70516e71fb22f4fe60a13e603f406 android.hardware.wifi.hostapd@1.0::IHostapd
+b2479cd7a417a1cf4f3a22db4e4579e21bac38fdcaf381e2bf10176d05397e01 android.hardware.wifi.hostapd@1.0::types
+e362203b941f18bd4cba29a62adfa02453ed00d6be5b72cdb6c4d7e0bf394a40 android.hardware.wifi.supplicant@1.1::ISupplicant
+10ff2fae516346b86121368ce5790d5accdfcb73983246b813f3d488b66db45a android.hardware.wifi.supplicant@1.1::ISupplicantStaNetwork
diff --git a/drm/1.1/Android.bp b/drm/1.1/Android.bp
index ed8196e..dba3e42 100644
--- a/drm/1.1/Android.bp
+++ b/drm/1.1/Android.bp
@@ -17,8 +17,10 @@
         "android.hidl.base@1.0",
     ],
     types: [
+        "DrmMetricGroup",
         "HdcpLevel",
         "KeyRequestType",
+        "SecureStopRelease",
         "SecurityLevel",
     ],
     gen_java: false,
diff --git a/gnss/1.1/IGnssCallback.hal b/gnss/1.1/IGnssCallback.hal
index fdd2ebe..7313340 100644
--- a/gnss/1.1/IGnssCallback.hal
+++ b/gnss/1.1/IGnssCallback.hal
@@ -30,6 +30,9 @@
      * This is a user-visible string that identifies the model and version of the GNSS HAL.
      * For example "ABC Co., Baseband Part 1234, RF Part 567, Software version 3.14.159"
      *
+     * For privacy reasons, this string must not contain any device-specific serial number or other
+     * identifier that uniquely identifies an individual device.
+     *
      * This must be called in response to IGnss::setCallback
      *
      * @param name String providing the name of the GNSS HAL implementation
diff --git a/gnss/1.1/default/Android.bp b/gnss/1.1/default/Android.bp
index 977a22f..44aed2b 100644
--- a/gnss/1.1/default/Android.bp
+++ b/gnss/1.1/default/Android.bp
@@ -5,6 +5,7 @@
     vendor: true,
     srcs: [
         "Gnss.cpp",
+        "GnssDebug.cpp",
         "GnssConfiguration.cpp",
         "GnssMeasurement.cpp",
         "service.cpp",
diff --git a/gnss/1.1/default/Gnss.cpp b/gnss/1.1/default/Gnss.cpp
index 308ba70..bbc4940 100644
--- a/gnss/1.1/default/Gnss.cpp
+++ b/gnss/1.1/default/Gnss.cpp
@@ -1,8 +1,11 @@
 #define LOG_TAG "Gnss"
 
-#include "Gnss.h"
+#include <android/hardware/gnss/1.0/types.h>
 #include <log/log.h>
-#include "GnssConfiguration.h"
+
+#include "Gnss.h"
+#include "GnssConstants.h"
+#include "GnssDebug.h"
 #include "GnssMeasurement.h"
 
 namespace android {
@@ -11,20 +14,51 @@
 namespace V1_1 {
 namespace implementation {
 
+using GnssSvFlags = IGnssCallback::GnssSvFlags;
+
+const uint32_t MIN_INTERVAL_MILLIS = 100;
+sp<::android::hardware::gnss::V1_1::IGnssCallback> Gnss::sGnssCallback = nullptr;
+
+Gnss::Gnss() : mMinIntervalMs(1000), mGnssConfiguration{new GnssConfiguration()} {}
+
+Gnss::~Gnss() {
+    stop();
+}
+
 // Methods from ::android::hardware::gnss::V1_0::IGnss follow.
 Return<bool> Gnss::setCallback(const sp<::android::hardware::gnss::V1_0::IGnssCallback>&) {
-    // TODO implement
-    return bool{};
+    // Mock handles only new callback (see setCallback1_1) coming from Android P+
+    return false;
 }
 
 Return<bool> Gnss::start() {
-    // TODO implement
-    return bool{};
+    if (mIsActive) {
+        ALOGW("Gnss has started. Restarting...");
+        stop();
+    }
+
+    mIsActive = true;
+    mThread = std::thread([this]() {
+        while (mIsActive == true) {
+            auto svStatus = this->getMockSvStatus();
+            this->reportSvStatus(svStatus);
+
+            auto location = this->getMockLocation();
+            this->reportLocation(location);
+
+            std::this_thread::sleep_for(std::chrono::milliseconds(mMinIntervalMs));
+        }
+    });
+
+    return true;
 }
 
 Return<bool> Gnss::stop() {
-    // TODO implement
-    return bool{};
+    mIsActive = false;
+    if (mThread.joinable()) {
+        mThread.join();
+    }
+    return true;
 }
 
 Return<void> Gnss::cleanup() {
@@ -43,7 +77,6 @@
 }
 
 Return<void> Gnss::deleteAidingData(::android::hardware::gnss::V1_0::IGnss::GnssAidingData) {
-    // TODO implement
     return Void();
 }
 
@@ -97,8 +130,7 @@
 }
 
 Return<sp<::android::hardware::gnss::V1_0::IGnssDebug>> Gnss::getExtensionGnssDebug() {
-    // TODO implement
-    return ::android::sp<::android::hardware::gnss::V1_0::IGnssDebug>{};
+    return new GnssDebug();
 }
 
 Return<sp<::android::hardware::gnss::V1_0::IGnssBatching>> Gnss::getExtensionGnssBatching() {
@@ -107,24 +139,48 @@
 }
 
 // Methods from ::android::hardware::gnss::V1_1::IGnss follow.
-Return<bool> Gnss::setCallback_1_1(const sp<::android::hardware::gnss::V1_1::IGnssCallback>&) {
-    ALOGI("Gnss::setCallback_1_1");
-    // TODO implement
-    return bool{};
+Return<bool> Gnss::setCallback_1_1(
+    const sp<::android::hardware::gnss::V1_1::IGnssCallback>& callback) {
+    if (callback == nullptr) {
+        ALOGE("%s: Null callback ignored", __func__);
+        return false;
+    }
+
+    sGnssCallback = callback;
+
+    uint32_t capabilities = 0x0;
+    auto ret = sGnssCallback->gnssSetCapabilitesCb(capabilities);
+    if (!ret.isOk()) {
+        ALOGE("%s: Unable to invoke callback", __func__);
+    }
+
+    IGnssCallback::GnssSystemInfo gnssInfo = {.yearOfHw = 2018};
+
+    ret = sGnssCallback->gnssSetSystemInfoCb(gnssInfo);
+    if (!ret.isOk()) {
+        ALOGE("%s: Unable to invoke callback", __func__);
+    }
+
+    auto gnssName = "Google Mock GNSS Implementation v1.1";
+    ret = sGnssCallback->gnssNameCb(gnssName);
+    if (!ret.isOk()) {
+        ALOGE("%s: Unable to invoke callback", __func__);
+    }
+
+    return true;
 }
 
 Return<bool> Gnss::setPositionMode_1_1(
     ::android::hardware::gnss::V1_0::IGnss::GnssPositionMode,
-    ::android::hardware::gnss::V1_0::IGnss::GnssPositionRecurrence, uint32_t, uint32_t, uint32_t,
-    bool) {
-    // TODO implement
-    return bool{};
+    ::android::hardware::gnss::V1_0::IGnss::GnssPositionRecurrence, uint32_t minIntervalMs,
+    uint32_t, uint32_t, bool) {
+    mMinIntervalMs = (minIntervalMs < MIN_INTERVAL_MILLIS) ? MIN_INTERVAL_MILLIS : minIntervalMs;
+    return true;
 }
 
 Return<sp<::android::hardware::gnss::V1_1::IGnssConfiguration>>
 Gnss::getExtensionGnssConfiguration_1_1() {
-    // TODO implement
-    return new GnssConfiguration();
+    return mGnssConfiguration;
 }
 
 Return<sp<::android::hardware::gnss::V1_1::IGnssMeasurement>>
@@ -133,12 +189,84 @@
     return new GnssMeasurement();
 }
 
-Return<bool> Gnss::injectBestLocation(const ::android::hardware::gnss::V1_0::GnssLocation&) {
-    // TODO implement
-    return bool{};
+Return<bool> Gnss::injectBestLocation(const GnssLocation&) {
+    return true;
 }
 
-// Methods from ::android::hidl::base::V1_0::IBase follow.
+Return<GnssLocation> Gnss::getMockLocation() const {
+    GnssLocation location = {.gnssLocationFlags = 0xFF,
+                             .latitudeDegrees = kMockLatitudeDegrees,
+                             .longitudeDegrees = kMockLongitudeDegrees,
+                             .altitudeMeters = kMockAltitudeMeters,
+                             .speedMetersPerSec = kMockSpeedMetersPerSec,
+                             .bearingDegrees = kMockBearingDegrees,
+                             .horizontalAccuracyMeters = kMockHorizontalAccuracyMeters,
+                             .verticalAccuracyMeters = kMockVerticalAccuracyMeters,
+                             .speedAccuracyMetersPerSecond = kMockSpeedAccuracyMetersPerSecond,
+                             .bearingAccuracyDegrees = kMockBearingAccuracyDegrees,
+                             .timestamp = kMockTimestamp};
+    return location;
+}
+
+Return<GnssSvInfo> Gnss::getSvInfo(int16_t svid, GnssConstellationType type, float cN0DbHz,
+                                   float elevationDegrees, float azimuthDegrees) const {
+    GnssSvInfo svInfo = {.svid = svid,
+                         .constellation = type,
+                         .cN0Dbhz = cN0DbHz,
+                         .elevationDegrees = elevationDegrees,
+                         .azimuthDegrees = azimuthDegrees,
+                         .svFlag = GnssSvFlags::USED_IN_FIX | GnssSvFlags::HAS_EPHEMERIS_DATA |
+                                   GnssSvFlags::HAS_ALMANAC_DATA};
+    return svInfo;
+}
+
+Return<GnssSvStatus> Gnss::getMockSvStatus() const {
+    std::unique_lock<std::recursive_mutex> lock(mGnssConfiguration->getMutex());
+    GnssSvInfo mockGnssSvInfoList[] = {
+        getSvInfo(3, GnssConstellationType::GPS, 32.5, 59.1, 166.5),
+        getSvInfo(5, GnssConstellationType::GPS, 27.0, 29.0, 56.5),
+        getSvInfo(17, GnssConstellationType::GPS, 30.5, 71.0, 77.0),
+        getSvInfo(26, GnssConstellationType::GPS, 24.1, 28.0, 253.0),
+        getSvInfo(30, GnssConstellationType::GPS, 20.5, 11.5, 116.0),
+        getSvInfo(10, GnssConstellationType::GLONASS, 25.0, 66.0, 247.0)};
+
+    GnssSvStatus svStatus = {.numSvs = sizeof(mockGnssSvInfoList) / sizeof(GnssSvInfo)};
+    for (uint32_t i = 0; i < svStatus.numSvs; i++) {
+        if (mGnssConfiguration->isBlacklisted(mockGnssSvInfoList[i])) {
+            /**
+             * Note well, this is a simple, mock emulation of not using a satellite by changing the
+             * used bit.  Simply blanking the used bit, as is done here, is *not* an acceptable
+             * actual device implementation - actual devices *must not* use the satellite in the
+             * position calculation, as specified in IGnssConfiguration.hal.
+             */
+            mockGnssSvInfoList[i].svFlag &=
+                ~static_cast<uint8_t>(IGnssCallback::GnssSvFlags::USED_IN_FIX);
+        }
+        svStatus.gnssSvList[i] = mockGnssSvInfoList[i];
+    }
+
+    return svStatus;
+}
+
+Return<void> Gnss::reportLocation(const GnssLocation& location) const {
+    std::unique_lock<std::mutex> lock(mMutex);
+    if (sGnssCallback == nullptr) {
+        ALOGE("%s: sGnssCallback is null.", __func__);
+        return Void();
+    }
+    sGnssCallback->gnssLocationCb(location);
+    return Void();
+}
+
+Return<void> Gnss::reportSvStatus(const GnssSvStatus& svStatus) const {
+    std::unique_lock<std::mutex> lock(mMutex);
+    if (sGnssCallback == nullptr) {
+        ALOGE("%s: sGnssCallback is null.", __func__);
+        return Void();
+    }
+    sGnssCallback->gnssSvStatusCb(svStatus);
+    return Void();
+}
 
 }  // namespace implementation
 }  // namespace V1_1
diff --git a/gnss/1.1/default/Gnss.h b/gnss/1.1/default/Gnss.h
index e9ad34b..99af34c 100644
--- a/gnss/1.1/default/Gnss.h
+++ b/gnss/1.1/default/Gnss.h
@@ -4,6 +4,10 @@
 #include <android/hardware/gnss/1.1/IGnss.h>
 #include <hidl/MQDescriptor.h>
 #include <hidl/Status.h>
+#include <atomic>
+#include <mutex>
+#include <thread>
+#include "GnssConfiguration.h"
 
 namespace android {
 namespace hardware {
@@ -19,7 +23,18 @@
 using ::android::hardware::Void;
 using ::android::sp;
 
+using GnssConstellationType = V1_0::GnssConstellationType;
+using GnssLocation = V1_0::GnssLocation;
+using GnssSvInfo = V1_0::IGnssCallback::GnssSvInfo;
+using GnssSvStatus = V1_0::IGnssCallback::GnssSvStatus;
+
+/**
+ * Unlike the gnss/1.0/default implementation, which is a shim layer to the legacy gps.h, this
+ * default implementation serves as a mock implementation for emulators
+ */
 struct Gnss : public IGnss {
+    Gnss();
+    ~Gnss();
     // Methods from ::android::hardware::gnss::V1_0::IGnss follow.
     Return<bool> setCallback(
         const sp<::android::hardware::gnss::V1_0::IGnssCallback>& callback) override;
@@ -68,6 +83,20 @@
         const ::android::hardware::gnss::V1_0::GnssLocation& location) override;
 
     // Methods from ::android::hidl::base::V1_0::IBase follow.
+   private:
+    Return<GnssLocation> getMockLocation() const;
+    Return<GnssSvStatus> getMockSvStatus() const;
+    Return<GnssSvInfo> getSvInfo(int16_t svid, GnssConstellationType type, float cN0DbHz,
+                                 float elevationDegress, float azimuthDegress) const;
+    Return<void> reportLocation(const GnssLocation&) const;
+    Return<void> reportSvStatus(const GnssSvStatus&) const;
+
+    static sp<IGnssCallback> sGnssCallback;
+    std::atomic<long> mMinIntervalMs;
+    sp<GnssConfiguration> mGnssConfiguration;
+    std::atomic<bool> mIsActive;
+    std::thread mThread;
+    mutable std::mutex mMutex;
 };
 
 }  // namespace implementation
diff --git a/gnss/1.1/default/GnssConfiguration.cpp b/gnss/1.1/default/GnssConfiguration.cpp
index d05f317..2717571 100644
--- a/gnss/1.1/default/GnssConfiguration.cpp
+++ b/gnss/1.1/default/GnssConfiguration.cpp
@@ -1,4 +1,7 @@
+#define LOG_TAG "GnssConfiguration"
+
 #include "GnssConfiguration.h"
+#include <log/log.h>
 
 namespace android {
 namespace hardware {
@@ -43,10 +46,33 @@
 }
 
 // Methods from ::android::hardware::gnss::V1_1::IGnssConfiguration follow.
-Return<bool> GnssConfiguration::setBlacklist(
-    const hidl_vec<::android::hardware::gnss::V1_1::IGnssConfiguration::BlacklistedSource>&) {
-    // TODO implement
-    return bool{};
+Return<bool> GnssConfiguration::setBlacklist(const hidl_vec<BlacklistedSource>& sourceList) {
+    std::unique_lock<std::recursive_mutex> lock(mMutex);
+    mBlacklistedConstellationSet.clear();
+    mBlacklistedSourceSet.clear();
+    for (auto source : sourceList) {
+        if (source.svid == 0) {
+            // Wildcard blacklist, i.e., blacklist entire constellation.
+            mBlacklistedConstellationSet.insert(source.constellation);
+        } else {
+            mBlacklistedSourceSet.insert(source);
+        }
+    }
+    return true;
+}
+
+Return<bool> GnssConfiguration::isBlacklisted(const GnssSvInfo& gnssSvInfo) const {
+    std::unique_lock<std::recursive_mutex> lock(mMutex);
+    if (mBlacklistedConstellationSet.find(gnssSvInfo.constellation) !=
+        mBlacklistedConstellationSet.end()) {
+        return true;
+    }
+    BlacklistedSource source = {.constellation = gnssSvInfo.constellation, .svid = gnssSvInfo.svid};
+    return (mBlacklistedSourceSet.find(source) != mBlacklistedSourceSet.end());
+}
+
+std::recursive_mutex& GnssConfiguration::getMutex() const {
+    return mMutex;
 }
 
 // Methods from ::android::hidl::base::V1_0::IBase follow.
diff --git a/gnss/1.1/default/GnssConfiguration.h b/gnss/1.1/default/GnssConfiguration.h
index 4f7ed2b..9b2699b 100644
--- a/gnss/1.1/default/GnssConfiguration.h
+++ b/gnss/1.1/default/GnssConfiguration.h
@@ -1,9 +1,12 @@
 #ifndef ANDROID_HARDWARE_GNSS_V1_1_GNSSCONFIGURATION_H
 #define ANDROID_HARDWARE_GNSS_V1_1_GNSSCONFIGURATION_H
 
+#include <android/hardware/gnss/1.1/IGnssCallback.h>
 #include <android/hardware/gnss/1.1/IGnssConfiguration.h>
 #include <hidl/MQDescriptor.h>
 #include <hidl/Status.h>
+#include <mutex>
+#include <unordered_set>
 
 namespace android {
 namespace hardware {
@@ -19,6 +22,26 @@
 using ::android::hardware::Void;
 using ::android::sp;
 
+using BlacklistedSource = ::android::hardware::gnss::V1_1::IGnssConfiguration::BlacklistedSource;
+using GnssConstellationType = V1_0::GnssConstellationType;
+using GnssSvInfo = V1_0::IGnssCallback::GnssSvInfo;
+
+struct BlacklistedSourceHash {
+    inline int operator()(const BlacklistedSource& source) const {
+        return int(source.constellation) * 1000 + int(source.svid);
+    }
+};
+
+struct BlacklistedSourceEqual {
+    inline bool operator()(const BlacklistedSource& s1, const BlacklistedSource& s2) const {
+        return (s1.constellation == s2.constellation) && (s1.svid == s2.svid);
+    }
+};
+
+using BlacklistedSourceSet =
+    std::unordered_set<BlacklistedSource, BlacklistedSourceHash, BlacklistedSourceEqual>;
+using BlacklistedConstellationSet = std::unordered_set<GnssConstellationType>;
+
 struct GnssConfiguration : public IGnssConfiguration {
     // Methods from ::android::hardware::gnss::V1_0::IGnssConfiguration follow.
     Return<bool> setSuplEs(bool enabled) override;
@@ -30,11 +53,15 @@
     Return<bool> setEmergencySuplPdn(bool enable) override;
 
     // Methods from ::android::hardware::gnss::V1_1::IGnssConfiguration follow.
-    Return<bool> setBlacklist(
-        const hidl_vec<::android::hardware::gnss::V1_1::IGnssConfiguration::BlacklistedSource>&
-            blacklist) override;
+    Return<bool> setBlacklist(const hidl_vec<BlacklistedSource>& blacklist) override;
 
-    // Methods from ::android::hidl::base::V1_0::IBase follow.
+    Return<bool> isBlacklisted(const GnssSvInfo& gnssSvInfo) const;
+    std::recursive_mutex& getMutex() const;
+
+   private:
+    BlacklistedSourceSet mBlacklistedSourceSet;
+    BlacklistedConstellationSet mBlacklistedConstellationSet;
+    mutable std::recursive_mutex mMutex;
 };
 
 }  // namespace implementation
diff --git a/gnss/1.1/default/GnssConstants.h b/gnss/1.1/default/GnssConstants.h
new file mode 100644
index 0000000..9ce1a12
--- /dev/null
+++ b/gnss/1.1/default/GnssConstants.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef android_hardware_gnss_V1_1_GnssConstants_H_
+#define android_hardware_gnss_V1_1_GnssConstants_H_
+
+namespace android {
+namespace hardware {
+namespace gnss {
+namespace V1_1 {
+namespace implementation {
+
+const float kMockLatitudeDegrees = 37.4219999;
+const float kMockLongitudeDegrees = -122.0840575;
+const float kMockAltitudeMeters = 1.60062531;
+const float kMockSpeedMetersPerSec = 0;
+const float kMockBearingDegrees = 0;
+const float kMockHorizontalAccuracyMeters = 5;
+const float kMockVerticalAccuracyMeters = 5;
+const float kMockSpeedAccuracyMetersPerSecond = 1;
+const float kMockBearingAccuracyDegrees = 90;
+const int64_t kMockTimestamp = 1519930775453L;
+
+}  // namespace implementation
+}  // namespace V1_1
+}  // namespace gnss
+}  // namespace hardware
+}  // namespace android
+
+#endif  // android_hardware_gnss_V1_1_GnssConstants_H_
diff --git a/gnss/1.1/default/GnssDebug.cpp b/gnss/1.1/default/GnssDebug.cpp
new file mode 100644
index 0000000..62870e4
--- /dev/null
+++ b/gnss/1.1/default/GnssDebug.cpp
@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "GnssDebug"
+
+#include <log/log.h>
+
+#include "GnssConstants.h"
+#include "GnssDebug.h"
+
+namespace android {
+namespace hardware {
+namespace gnss {
+namespace V1_1 {
+namespace implementation {
+
+// Methods from ::android::hardware::gnss::V1_0::IGnssDebug follow.
+Return<void> GnssDebug::getDebugData(V1_0::IGnssDebug::getDebugData_cb _hidl_cb) {
+    PositionDebug positionDebug = {
+        .valid = true,
+        .latitudeDegrees = kMockLatitudeDegrees,
+        .longitudeDegrees = kMockLongitudeDegrees,
+        .altitudeMeters = kMockAltitudeMeters,
+        .speedMetersPerSec = kMockSpeedMetersPerSec,
+        .bearingDegrees = kMockBearingDegrees,
+        .horizontalAccuracyMeters = kMockHorizontalAccuracyMeters,
+        .verticalAccuracyMeters = kMockVerticalAccuracyMeters,
+        .speedAccuracyMetersPerSecond = kMockSpeedAccuracyMetersPerSecond,
+        .bearingAccuracyDegrees = kMockBearingAccuracyDegrees,
+        .ageSeconds = 0.99};
+
+    TimeDebug timeDebug = {.timeEstimate = kMockTimestamp,
+                           .timeUncertaintyNs = 1000,
+                           .frequencyUncertaintyNsPerSec = 5.0e4};
+
+    DebugData data = {.position = positionDebug, .time = timeDebug};
+
+    _hidl_cb(data);
+
+    return Void();
+}
+
+}  // namespace implementation
+}  // namespace V1_1
+}  // namespace gnss
+}  // namespace hardware
+}  // namespace android
diff --git a/gnss/1.1/default/GnssDebug.h b/gnss/1.1/default/GnssDebug.h
new file mode 100644
index 0000000..969d337
--- /dev/null
+++ b/gnss/1.1/default/GnssDebug.h
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef android_hardware_gnss_V1_1_GnssDebug_H_
+#define android_hardware_gnss_V1_1_GnssDebug_H_
+
+#include <android/hardware/gnss/1.0/IGnssDebug.h>
+#include <hidl/Status.h>
+
+namespace android {
+namespace hardware {
+namespace gnss {
+namespace V1_1 {
+namespace implementation {
+
+using ::android::sp;
+using ::android::hardware::hidl_string;
+using ::android::hardware::hidl_vec;
+using ::android::hardware::Return;
+using ::android::hardware::Void;
+using V1_0::IGnssDebug;
+
+/* Interface for GNSS Debug support. */
+struct GnssDebug : public IGnssDebug {
+    /*
+     * Methods from ::android::hardware::gnss::V1_0::IGnssDebug follow.
+     * These declarations were generated from IGnssDebug.hal.
+     */
+    Return<void> getDebugData(V1_0::IGnssDebug::getDebugData_cb _hidl_cb) override;
+};
+
+}  // namespace implementation
+}  // namespace V1_1
+}  // namespace gnss
+}  // namespace hardware
+}  // namespace android
+
+#endif  // android_hardware_gnss_V1_1_GnssDebug_H_
diff --git a/gnss/1.1/default/OWNERS b/gnss/1.1/default/OWNERS
new file mode 100644
index 0000000..a3d8577
--- /dev/null
+++ b/gnss/1.1/default/OWNERS
@@ -0,0 +1,4 @@
+wyattriley@google.com
+gomo@google.com
+smalkos@google.com
+yuhany@google.com
diff --git a/gnss/1.1/vts/OWNERS b/gnss/1.1/vts/OWNERS
index 56648ad..3ed36da 100644
--- a/gnss/1.1/vts/OWNERS
+++ b/gnss/1.1/vts/OWNERS
@@ -1,6 +1,7 @@
 wyattriley@google.com
 gomo@google.com
 smalkos@google.com
+yuhany@google.com
 
 # VTS team
 yim@google.com
diff --git a/gnss/1.1/vts/functional/gnss_hal_test.cpp b/gnss/1.1/vts/functional/gnss_hal_test.cpp
index 23b7317..8928a5a 100644
--- a/gnss/1.1/vts/functional/gnss_hal_test.cpp
+++ b/gnss/1.1/vts/functional/gnss_hal_test.cpp
@@ -14,6 +14,8 @@
  * limitations under the License.
  */
 
+#define LOG_TAG "GnssHalTest"
+
 #include <gnss_hal_test.h>
 
 #include <chrono>
@@ -31,6 +33,8 @@
         GnssHidlEnvironment::Instance()->getServiceName<IGnss>());
     list_gnss_sv_status_.clear();
     ASSERT_NE(gnss_hal_, nullptr);
+
+    SetUpGnssCallback();
 }
 
 void GnssHalTest::TearDown() {
@@ -42,6 +46,30 @@
     }
 }
 
+void GnssHalTest::SetUpGnssCallback() {
+    gnss_cb_ = new GnssCallback(*this);
+    ASSERT_NE(gnss_cb_, nullptr);
+
+    auto result = gnss_hal_->setCallback_1_1(gnss_cb_);
+    if (!result.isOk()) {
+        ALOGE("result of failed setCallback %s", result.description().c_str());
+    }
+
+    ASSERT_TRUE(result.isOk());
+    ASSERT_TRUE(result);
+
+    /*
+     * All capabilities, name and systemInfo callbacks should trigger
+     */
+    EXPECT_EQ(std::cv_status::no_timeout, wait(TIMEOUT_SEC));
+    EXPECT_EQ(std::cv_status::no_timeout, wait(TIMEOUT_SEC));
+    EXPECT_EQ(std::cv_status::no_timeout, wait(TIMEOUT_SEC));
+
+    EXPECT_EQ(capabilities_called_count_, 1);
+    EXPECT_EQ(info_called_count_, 1);
+    EXPECT_EQ(name_called_count_, 1);
+}
+
 void GnssHalTest::StopAndClearLocations() {
     auto result = gnss_hal_->stop();
 
diff --git a/gnss/1.1/vts/functional/gnss_hal_test.h b/gnss/1.1/vts/functional/gnss_hal_test.h
index 6d5bb4c..269366a 100644
--- a/gnss/1.1/vts/functional/gnss_hal_test.h
+++ b/gnss/1.1/vts/functional/gnss_hal_test.h
@@ -101,6 +101,12 @@
     };
 
     /*
+     * SetUpGnssCallback:
+     *   Set GnssCallback and verify the result.
+     */
+    void SetUpGnssCallback();
+
+    /*
      * StartAndGetSingleLocation:
      * Helper function to get one Location and check fields
      *
diff --git a/gnss/1.1/vts/functional/gnss_hal_test_cases.cpp b/gnss/1.1/vts/functional/gnss_hal_test_cases.cpp
index a0a1c73..8f4691e 100644
--- a/gnss/1.1/vts/functional/gnss_hal_test_cases.cpp
+++ b/gnss/1.1/vts/functional/gnss_hal_test_cases.cpp
@@ -14,6 +14,8 @@
  * limitations under the License.
  */
 
+#define LOG_TAG "GnssHalTestCases"
+
 #include <gnss_hal_test.h>
 
 #include <VtsHalHidlTargetTestBase.h>
@@ -37,34 +39,6 @@
 TEST_F(GnssHalTest, SetupTeardownCreateCleanup) {}
 
 /*
- * SetCallbackResponses:
- * Sets up the callback, awaits the capability, info & name
- */
-TEST_F(GnssHalTest, SetCallbackResponses) {
-    gnss_cb_ = new GnssCallback(*this);
-    ASSERT_NE(gnss_cb_, nullptr);
-
-    auto result = gnss_hal_->setCallback_1_1(gnss_cb_);
-    if (!result.isOk()) {
-        ALOGE("result of failed setCallback %s", result.description().c_str());
-    }
-
-    ASSERT_TRUE(result.isOk());
-    ASSERT_TRUE(result);
-
-    /*
-     * All capabilities, name and systemInfo callbacks should trigger
-     */
-    EXPECT_EQ(std::cv_status::no_timeout, wait(TIMEOUT_SEC));
-    EXPECT_EQ(std::cv_status::no_timeout, wait(TIMEOUT_SEC));
-    EXPECT_EQ(std::cv_status::no_timeout, wait(TIMEOUT_SEC));
-
-    EXPECT_EQ(capabilities_called_count_, 1);
-    EXPECT_EQ(info_called_count_, 1);
-    EXPECT_EQ(name_called_count_, 1);
-}
-
-/*
  * TestGnssMeasurementCallback:
  * Gets the GnssMeasurementExtension and verify that it returns an actual extension.
  */
@@ -281,6 +255,7 @@
         if (strongest_sv_is_reobserved) break;
     }
     EXPECT_TRUE(strongest_sv_is_reobserved);
+    StopAndClearLocations();
 }
 
 /*
diff --git a/graphics/composer/2.1/default/android.hardware.graphics.composer@2.1-service.rc b/graphics/composer/2.1/default/android.hardware.graphics.composer@2.1-service.rc
index 3b6710b..a2a12c1 100644
--- a/graphics/composer/2.1/default/android.hardware.graphics.composer@2.1-service.rc
+++ b/graphics/composer/2.1/default/android.hardware.graphics.composer@2.1-service.rc
@@ -3,4 +3,9 @@
     user system
     group graphics drmrpc
     capabilities SYS_NICE
-    onrestart restart surfaceflinger
+    writepid /dev/cpuset/system-background/tasks
+
+# Restart HWC when SurfaceFlinger stops. This turns off the display and prpares
+# a new HWC instance for when SurfaceFlinger gets started again
+on property:init.svc.surfaceflinger=stopped
+    restart vendor.hwcomposer-2-1
diff --git a/graphics/mapper/2.1/Android.bp b/graphics/mapper/2.1/Android.bp
index d917e59..8527d3d 100644
--- a/graphics/mapper/2.1/Android.bp
+++ b/graphics/mapper/2.1/Android.bp
@@ -11,6 +11,7 @@
         "IMapper.hal",
     ],
     interfaces: [
+        "android.hardware.graphics.common@1.0",
         "android.hardware.graphics.common@1.1",
         "android.hardware.graphics.mapper@2.0",
         "android.hidl.base@1.0",
diff --git a/light/2.0/default/android.hardware.light@2.0-service.rc b/light/2.0/default/android.hardware.light@2.0-service.rc
index 68f74c4..b54ca95 100644
--- a/light/2.0/default/android.hardware.light@2.0-service.rc
+++ b/light/2.0/default/android.hardware.light@2.0-service.rc
@@ -3,3 +3,5 @@
     class hal
     user system
     group system
+    # shutting off lights while powering-off
+    shutdown critical
diff --git a/light/utils/main.cpp b/light/utils/main.cpp
index 1f9cb9c..d07e799 100644
--- a/light/utils/main.cpp
+++ b/light/utils/main.cpp
@@ -26,6 +26,7 @@
 }
 
 int main() {
+    using ::android::hardware::hidl_vec;
     using ::android::hardware::light::V2_0::Brightness;
     using ::android::hardware::light::V2_0::Flash;
     using ::android::hardware::light::V2_0::ILight;
@@ -44,9 +45,15 @@
         .color = 0u, .flashMode = Flash::NONE, .brightnessMode = Brightness::USER,
     };
 
-    Status ret = service->setLight(Type::BACKLIGHT, off).withDefault(Status::UNKNOWN);
-    if (ret != Status::SUCCESS) {
-        error("Failed to shut off screen");
-    }
+    service->getSupportedTypes([&](const hidl_vec<Type>& types) {
+        for (Type type : types) {
+            Status ret = service->setLight(type, off);
+            if (ret != Status::SUCCESS) {
+                error("Failed to shut off screen for type " +
+                      std::to_string(static_cast<int>(type)));
+            }
+        }
+    });
+
     return 0;
 }
diff --git a/neuralnetworks/1.1/Android.bp b/neuralnetworks/1.1/Android.bp
index 9365d4e..81bcef3 100644
--- a/neuralnetworks/1.1/Android.bp
+++ b/neuralnetworks/1.1/Android.bp
@@ -15,6 +15,7 @@
         "android.hidl.base@1.0",
     ],
     types: [
+        "Capabilities",
         "Model",
         "Operation",
         "OperationType",
diff --git a/neuralnetworks/1.1/vts/functional/Android.bp b/neuralnetworks/1.1/vts/functional/Android.bp
index 623b441..947ca2c 100644
--- a/neuralnetworks/1.1/vts/functional/Android.bp
+++ b/neuralnetworks/1.1/vts/functional/Android.bp
@@ -36,4 +36,13 @@
         "libneuralnetworks_generated_test_harness_headers",
         "libneuralnetworks_generated_tests",
     ],
+    // Bug: http://b/74200014 - Disable arm32 asan since it triggers internal
+    // error in ld.gold.
+    arch: {
+        arm: {
+            sanitize: {
+                never: true,
+            },
+        },
+    },
 }
diff --git a/nfc/1.1/Android.bp b/nfc/1.1/Android.bp
index 73dc70a..9a1392e 100644
--- a/nfc/1.1/Android.bp
+++ b/nfc/1.1/Android.bp
@@ -16,7 +16,11 @@
         "android.hidl.base@1.0",
     ],
     types: [
+        "Constant",
+        "NfcConfig",
         "NfcEvent",
+        "PresenceCheckAlgorithm",
+        "ProtocolDiscoveryConfig",
     ],
     gen_java: true,
 }
diff --git a/nfc/1.1/INfc.hal b/nfc/1.1/INfc.hal
index ea6a571..b629d8c 100644
--- a/nfc/1.1/INfc.hal
+++ b/nfc/1.1/INfc.hal
@@ -49,4 +49,11 @@
      *                NfcStatus::SUCCESS otherwise.
      */
     open_1_1(INfcClientCallback clientCallback) generates (NfcStatus status);
+
+    /**
+     * Fetches vendor specific configurations.
+     * @return config indicates support for certain features and
+     *     populates the vendor specific configs
+     */
+    getConfig() generates (NfcConfig config);
 };
diff --git a/nfc/1.1/types.hal b/nfc/1.1/types.hal
index 2f5ec7f..469e878 100644
--- a/nfc/1.1/types.hal
+++ b/nfc/1.1/types.hal
@@ -21,3 +21,78 @@
     /** In case of an error, HCI network needs to be re-initialized */
     HCI_NETWORK_RESET = 7
 };
+
+enum Constant : uint8_t {
+    UNSUPPORTED_CONFIG = 0xFF,
+};
+
+/**
+ * Vendor Specific Proprietary Protocol & Discovery Configuration.
+ * Set to UNSUPPORTED_CONFIG if not supported.
+ * discovery* fields map to "RF Technology and Mode" in NCI Spec
+ * protocol* fields map to "RF protocols" in NCI Spec
+ */
+struct ProtocolDiscoveryConfig {
+    uint8_t protocol18092Active;
+    uint8_t protocolBPrime;
+    uint8_t protocolDual;
+    uint8_t protocol15693;
+    uint8_t protocolKovio;
+    uint8_t protocolMifare;
+    uint8_t discoveryPollKovio;
+    uint8_t discoveryPollBPrime;
+    uint8_t discoveryListenBPrime;
+};
+
+/* Presence Check Algorithm as per ISO/IEC 14443-4 */
+enum PresenceCheckAlgorithm : uint8_t {
+    /** Lets the stack select an algorithm */
+    DEFAULT = 0,
+    /** ISO-DEP protocol's empty I-block */
+    I_BLOCK = 1,
+    /**
+     * Type - 4 tag protocol iso-dep nak presence check command is sent waiting for
+     * response and notification.
+     */
+    ISO_DEP_NAK = 2
+};
+
+struct NfcConfig {
+    /** If true, NFCC is using bail out mode for either Type A or Type B poll. */
+    bool nfaPollBailOutMode;
+
+    PresenceCheckAlgorithm presenceCheckAlgorithm;
+
+    ProtocolDiscoveryConfig nfaProprietaryCfg;
+
+    /** Default off-host route. 0x00 if there aren't any. Refer to NCI spec. */
+    uint8_t defaultOffHostRoute;
+
+    /**
+     * Default off-host route for Felica. 0x00 if there aren't any. Refer to
+     * NCI spec.
+     */
+    uint8_t defaultOffHostRouteFelica;
+
+    /** Default system code route. 0x00 if there aren't any. Refer NCI spec */
+    uint8_t defaultSystemCodeRoute;
+
+    /**
+     * Default route for all remaining protocols and technology which haven't
+     * been configured.
+     * Device Host(0x00) is the default. Refer to NCI spec.
+     * */
+    uint8_t defaultRoute;
+
+    /** Pipe ID for eSE. 0x00 if there aren't any. */
+    uint8_t offHostESEPipeId;
+
+    /** Pipe ID for UICC. 0x00 if there aren't any. */
+    uint8_t offHostSIMPipeId;
+
+    /** Extended APDU length for ISO_DEP. If not supported default length is 261 */
+    uint32_t maxIsoDepTransceiveLength;
+
+    /** list of white listed host ids, as per ETSI TS 102 622 */
+    vec<uint8_t> hostWhitelist;
+};
diff --git a/nfc/1.1/vts/functional/VtsHalNfcV1_1TargetTest.cpp b/nfc/1.1/vts/functional/VtsHalNfcV1_1TargetTest.cpp
index bef412b..0b7c88b 100644
--- a/nfc/1.1/vts/functional/VtsHalNfcV1_1TargetTest.cpp
+++ b/nfc/1.1/vts/functional/VtsHalNfcV1_1TargetTest.cpp
@@ -30,6 +30,7 @@
 using ::android::hardware::nfc::V1_1::INfc;
 using ::android::hardware::nfc::V1_1::INfcClientCallback;
 using ::android::hardware::nfc::V1_1::NfcEvent;
+using ::android::hardware::nfc::V1_1::NfcConfig;
 using ::android::hardware::nfc::V1_0::NfcStatus;
 using ::android::hardware::nfc::V1_0::NfcData;
 using ::android::hardware::Return;
@@ -37,6 +38,9 @@
 using ::android::hardware::hidl_vec;
 using ::android::sp;
 
+// 261 bytes is the default and minimum transceive length
+constexpr unsigned int MIN_ISO_DEP_TRANSCEIVE_LENGTH = 261;
+
 constexpr char kCallbackNameSendEvent[] = "sendEvent";
 constexpr char kCallbackNameSendData[] = "sendData";
 
@@ -209,6 +213,17 @@
     EXPECT_EQ(NfcStatus::OK, res.args->last_status_);
 }
 
+/*
+ * getConfig:
+ * Calls getConfig()
+ * checks if fields in NfcConfig are populated correctly
+ */
+TEST_F(NfcHidlTest, GetConfig) {
+    nfc_->getConfig([](NfcConfig config) {
+        EXPECT_GE(config.maxIsoDepTransceiveLength, MIN_ISO_DEP_TRANSCEIVE_LENGTH);
+    });
+}
+
 int main(int argc, char** argv) {
     ::testing::AddGlobalTestEnvironment(NfcHidlEnvironment::Instance());
     ::testing::InitGoogleTest(&argc, argv);
diff --git a/radio/1.0/types.hal b/radio/1.0/types.hal
index 6787a82..ab1834b 100644
--- a/radio/1.0/types.hal
+++ b/radio/1.0/types.hal
@@ -1237,9 +1237,9 @@
 };
 
 struct WcdmaSignalStrength{
-    int32_t signalStrength;               // Valid values are (0-96, 99) as defined in
-                                          // TS 27.007 8.69
-    int32_t bitErrorRate;                 // bit error rate (0-49, 99) as defined in TS 27.007 8.69
+    int32_t signalStrength;               // Valid values are (0-31, 99) as defined in
+                                          // TS 27.007 8.5
+    int32_t bitErrorRate;                 // bit error rate (0-7, 99) as defined in TS 27.007 8.5
 };
 
 struct CdmaSignalStrength {
diff --git a/radio/1.2/types.hal b/radio/1.2/types.hal
index b68895e..5e72b3b 100644
--- a/radio/1.2/types.hal
+++ b/radio/1.2/types.hal
@@ -439,12 +439,12 @@
 struct TdscdmaSignalStrength {
     /**
      * UTRA carrier RSSI as defined in TS 25.225 5.1.4
-     * Valid values are (0-96, 99) as defined in TS 27.007 8.69
+     * Valid values are (0-31, 99) as defined in TS 27.007 8.5
      */
     uint32_t signalStrength;
     /**
      * Transport Channel BER as defined in TS 25.225 5.2.5
-     * Valid values are (0-49, 99) as defined in TS 27.007 8.69
+     * Valid values are (0-7, 99) as defined in TS 27.007 8.5
      */
     uint32_t bitErrorRate;
     /**
diff --git a/wifi/1.2/default/hidl_struct_util.cpp b/wifi/1.2/default/hidl_struct_util.cpp
index 33450ab..39ac544 100644
--- a/wifi/1.2/default/hidl_struct_util.cpp
+++ b/wifi/1.2/default/hidl_struct_util.cpp
@@ -2342,6 +2342,10 @@
             return RttStatus::NO_WIFI;
         case legacy_hal::RTT_STATUS_FAIL_FTM_PARAM_OVERRIDE:
             return RttStatus::FAIL_FTM_PARAM_OVERRIDE;
+        case legacy_hal::RTT_STATUS_NAN_RANGING_PROTOCOL_FAILURE:
+            return RttStatus::FAILURE;  // TODO: add HIDL enumeration
+        case legacy_hal::RTT_STATUS_NAN_RANGING_CONCURRENCY_NOT_SUPPORTED:
+            return RttStatus::FAILURE;  // TODO: add HIDL enumeration
     };
     CHECK(false) << "Unknown legacy status: " << status;
 }
diff --git a/wifi/1.2/default/wifi_legacy_hal.cpp b/wifi/1.2/default/wifi_legacy_hal.cpp
index 5f40d50..84af9c4 100644
--- a/wifi/1.2/default/wifi_legacy_hal.cpp
+++ b/wifi/1.2/default/wifi_legacy_hal.cpp
@@ -360,12 +360,18 @@
         LOG(DEBUG) << "Legacy HAL already started";
         return WIFI_SUCCESS;
     }
+    LOG(DEBUG) << "Waiting for the driver ready";
+    wifi_error status = global_func_table_.wifi_wait_for_driver_ready();
+    if (status == WIFI_ERROR_TIMED_OUT) {
+        LOG(ERROR) << "Timed out awaiting driver ready";
+        return status;
+    }
     LOG(DEBUG) << "Starting legacy HAL";
     if (!iface_tool_.SetWifiUpState(true)) {
         LOG(ERROR) << "Failed to set WiFi interface up";
         return WIFI_ERROR_UNKNOWN;
     }
-    wifi_error status = global_func_table_.wifi_initialize(&global_handle_);
+    status = global_func_table_.wifi_initialize(&global_handle_);
     if (status != WIFI_SUCCESS || !global_handle_) {
         LOG(ERROR) << "Failed to retrieve global handle";
         return status;
diff --git a/wifi/1.2/default/wifi_legacy_hal_stubs.cpp b/wifi/1.2/default/wifi_legacy_hal_stubs.cpp
index 2ee2aa2..24aaf15 100644
--- a/wifi/1.2/default/wifi_legacy_hal_stubs.cpp
+++ b/wifi/1.2/default/wifi_legacy_hal_stubs.cpp
@@ -45,6 +45,7 @@
         return false;
     }
     populateStubFor(&hal_fn->wifi_initialize);
+    populateStubFor(&hal_fn->wifi_wait_for_driver_ready);
     populateStubFor(&hal_fn->wifi_cleanup);
     populateStubFor(&hal_fn->wifi_event_loop);
     populateStubFor(&hal_fn->wifi_get_error_info);
diff --git a/wifi/hostapd/1.0/vts/functional/hostapd_hidl_test.cpp b/wifi/hostapd/1.0/vts/functional/hostapd_hidl_test.cpp
index 5f51cfb..504f4c8 100644
--- a/wifi/hostapd/1.0/vts/functional/hostapd_hidl_test.cpp
+++ b/wifi/hostapd/1.0/vts/functional/hostapd_hidl_test.cpp
@@ -220,3 +220,11 @@
                     getInvalidPskNwParams());
     EXPECT_NE(HostapdStatusCode::SUCCESS, status.code);
 }
+
+/*
+ * Terminate
+ * This terminates the service.
+ */
+TEST_F(HostapdHidlTest, Terminate) {
+    hostapd_->terminate();
+}
diff --git a/wifi/supplicant/1.1/vts/functional/supplicant_hidl_test.cpp b/wifi/supplicant/1.1/vts/functional/supplicant_hidl_test.cpp
index c29fd0a..7e773d6 100644
--- a/wifi/supplicant/1.1/vts/functional/supplicant_hidl_test.cpp
+++ b/wifi/supplicant/1.1/vts/functional/supplicant_hidl_test.cpp
@@ -137,3 +137,11 @@
             EXPECT_EQ(SupplicantStatusCode::SUCCESS, status.code);
         });
 }
+
+/*
+ * Terminate
+ * This terminates the service.
+ */
+TEST_F(SupplicantHidlTest, Terminate) {
+    supplicant_->terminate();
+}