diff --git a/audio/7.1/Android.bp b/audio/7.1/Android.bp
new file mode 100644
index 0000000..52980e2
--- /dev/null
+++ b/audio/7.1/Android.bp
@@ -0,0 +1,32 @@
+// This file is autogenerated by hidl-gen -Landroidbp.
+
+package {
+    // See: http://go/android-license-faq
+    // A large-scale-change added 'default_applicable_licenses' to import
+    // all of the 'license_kinds' from "hardware_interfaces_license"
+    // to get the below license kinds:
+    //   SPDX-license-identifier-Apache-2.0
+    default_applicable_licenses: ["hardware_interfaces_license"],
+}
+
+hidl_interface {
+    name: "android.hardware.audio@7.1",
+    root: "android.hardware",
+    srcs: [
+        "types.hal",
+        "IDevice.hal",
+        "IDevicesFactory.hal",
+        "IPrimaryDevice.hal",
+        "IStreamIn.hal",
+        "IStreamOut.hal",
+        "IStreamOutLatencyModeCallback.hal",
+    ],
+    interfaces: [
+        "android.hardware.audio@7.0",
+        "android.hardware.audio.common@7.0",
+        "android.hidl.base@1.0",
+        "android.hidl.safe_union@1.0",
+    ],
+    gen_java: false,
+    gen_java_constants: false,
+}
diff --git a/audio/7.1/IDevice.hal b/audio/7.1/IDevice.hal
new file mode 100644
index 0000000..373d17f
--- /dev/null
+++ b/audio/7.1/IDevice.hal
@@ -0,0 +1,88 @@
+/*
+ * Copyright (C) 2022 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.audio@7.1;
+
+import android.hardware.audio.common@7.0;
+import @7.0::AudioInOutFlag;
+import @7.0::IDevice;
+import @7.0::Result;
+import IStreamIn;
+import IStreamOut;
+
+interface IDevice extends @7.0::IDevice {
+    /**
+     * This method creates and opens the audio hardware output stream.
+     * If the stream can not be opened with the proposed audio config,
+     * HAL must provide suggested values for the audio config.
+     *
+     * Note: INVALID_ARGUMENTS is returned both in the case when the
+     * HAL can not use the provided config and in the case when
+     * the value of any argument is invalid. In the latter case the
+     * HAL must provide a default initialized suggested config.
+     *
+     * @param ioHandle handle assigned by AudioFlinger.
+     * @param device device type and (if needed) address.
+     * @param config stream configuration.
+     * @param flags additional flags.
+     * @param sourceMetadata Description of the audio that will be played.
+                             May be used by implementations to configure hardware effects.
+     * @return retval operation completion status.
+     * @return outStream created output stream.
+     * @return suggestedConfig in the case of rejection of the proposed config,
+     *                         a config suggested by the HAL.
+     */
+    openOutputStream_7_1(
+            AudioIoHandle ioHandle,
+            DeviceAddress device,
+            AudioConfig config,
+            vec<AudioInOutFlag> flags,
+            SourceMetadata sourceMetadata) generates (
+                    Result retval,
+                    IStreamOut outStream,
+                    AudioConfig suggestedConfig);
+
+    /**
+     * This method creates and opens the audio hardware input stream.
+     * If the stream can not be opened with the proposed audio config,
+     * HAL must provide suggested values for the audio config.
+     *
+     * Note: INVALID_ARGUMENTS is returned both in the case when the
+     * HAL can not use the provided config and in the case when
+     * the value of any argument is invalid. In the latter case the
+     * HAL must provide a default initialized suggested config.
+     *
+     * @param ioHandle handle assigned by AudioFlinger.
+     * @param device device type and (if needed) address.
+     * @param config stream configuration.
+     * @param flags additional flags.
+     * @param sinkMetadata Description of the audio that is suggested by the client.
+     *                     May be used by implementations to configure processing effects.
+     * @return retval operation completion status.
+     * @return inStream in case of success, created input stream.
+     * @return suggestedConfig in the case of rejection of the proposed config,
+     *                         a config suggested by the HAL.
+     */
+    openInputStream_7_1(
+            AudioIoHandle ioHandle,
+            DeviceAddress device,
+            AudioConfig config,
+            vec<AudioInOutFlag> flags,
+            SinkMetadata sinkMetadata) generates (
+                    Result retval,
+                    IStreamIn inStream,
+                    AudioConfig suggestedConfig);
+};
diff --git a/audio/7.1/IDevicesFactory.hal b/audio/7.1/IDevicesFactory.hal
new file mode 100644
index 0000000..7669614
--- /dev/null
+++ b/audio/7.1/IDevicesFactory.hal
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2022 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.audio@7.1;
+
+import @7.0::IDevicesFactory;
+import @7.0::Result;
+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.
+ */
+interface IDevicesFactory extends @7.0::IDevicesFactory {
+
+    /**
+     * Opens an audio device. To close the device, it is necessary to call
+     * 'close' method on the returned device object.
+     *
+     * Important note: due to rules of HIDL, @7.1::IPrimaryDevice extends
+     * @7.0::IPrimaryDevice, rather than @7.1::IDevice. Thus the returned
+     * IDevice interface can not be up-casted to @7.1::IPrimaryDevice for the
+     * primary device. The client needs to use IPrimaryDevice instead of this
+     * method if it needs full functionality of the IPrimaryDevice interface.
+     *
+     * @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 occurred while opening the hardware
+     *         module.
+     * @return result the interface for the created device.
+     */
+    openDevice_7_1(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 debugging, 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_7_1() generates (Result retval, IPrimaryDevice result);
+};
diff --git a/audio/7.1/IPrimaryDevice.hal b/audio/7.1/IPrimaryDevice.hal
new file mode 100644
index 0000000..1659671
--- /dev/null
+++ b/audio/7.1/IPrimaryDevice.hal
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2022 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.audio@7.1;
+
+import android.hardware.audio.common@7.0;
+import @7.0::IPrimaryDevice;
+import IDevice;
+
+interface IPrimaryDevice extends @7.0::IPrimaryDevice {
+    /**
+     * Retrieve the generic @7.1::IDevice interface.
+     *
+     * Since @7.1::IPrimaryDevice extends @7.0::IPrimaryDevice, the interface
+     * reference can not be downcasted to @7.1::IDevice using standard methods.
+     * For this reason a dedicated interface method is provided.
+     *
+     * @return result the generic part of the interface.
+     */
+    getDevice() generates (IDevice result);
+};
diff --git a/audio/7.1/IStreamIn.hal b/audio/7.1/IStreamIn.hal
new file mode 100644
index 0000000..abebe6a
--- /dev/null
+++ b/audio/7.1/IStreamIn.hal
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) 2022 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.audio@7.1;
+
+import @7.0::IStreamIn;
+
+interface IStreamIn extends @7.0::IStreamIn {
+};
diff --git a/audio/7.1/IStreamOut.hal b/audio/7.1/IStreamOut.hal
new file mode 100644
index 0000000..b2013cf
--- /dev/null
+++ b/audio/7.1/IStreamOut.hal
@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2022 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.audio@7.1;
+
+import @7.0::Result;
+import @7.0::IStreamOut;
+
+import IStreamOutLatencyModeCallback;
+
+interface IStreamOut extends @7.0::IStreamOut {
+    /**
+     * Indicates the requested latency mode for this output stream.
+     *
+     * The requested mode can be one of the modes returned by
+     * getRecommendedLatencyModes() API.
+     *
+     * Optional method.
+     * Mandated only on specific spatial audio streams indicated by
+     * AUDIO_OUTPUT_FLAG_SPATIALIZER flag if they can be routed to a BT classic sink.
+     *
+     * @return retval operation completion status.
+     */
+    setLatencyMode(LatencyMode mode) generates (Result retval);
+
+    /**
+     * Indicates which latency modes are currently supported on this output stream.
+     * If the transport protocol (e.g Bluetooth A2DP) used by this output stream to reach
+     * the output device supports variable latency modes, the HAL indicates which
+     * modes are currently supported.
+     * The framework can then call setLatencyMode() with one of the supported modes to select
+     * the desired operation mode.
+     *
+     * Optional method.
+     * Mandated only on specific spatial audio streams indicated by
+     * AUDIO_OUTPUT_FLAG_SPATIALIZER flag if they can be routed to a BT classic sink.
+     *
+     * @return retval operation completion status.
+     * @return modes currrently supported latency modes.
+     */
+    getRecommendedLatencyModes() generates (Result retval, vec<LatencyMode> modes);
+
+    /**
+     * Set the callback interface for notifying changes in supported latency modes.
+     *
+     * Calling this method with a null pointer will result in releasing
+     * the callback.
+     *
+     * Optional method.
+     * Mandated only on specific spatial audio streams indicated by
+     * AUDIO_OUTPUT_FLAG_SPATIALIZER flag if they can be routed to a BT classic sink.
+     *
+     * @return retval operation completion status.
+     */
+    setLatencyModeCallback(IStreamOutLatencyModeCallback callback) generates (Result retval);
+};
diff --git a/audio/7.1/IStreamOutLatencyModeCallback.hal b/audio/7.1/IStreamOutLatencyModeCallback.hal
new file mode 100644
index 0000000..45b453f
--- /dev/null
+++ b/audio/7.1/IStreamOutLatencyModeCallback.hal
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2022 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.audio@7.1;
+
+/**
+ * Callback interface for output stream variable latency mode feature.
+ */
+interface IStreamOutLatencyModeCallback {
+    /**
+     * Called with the new list of supported latency modes when a change occurs.
+     */
+    oneway onRecommendedLatencyModeChanged(vec<LatencyMode> modes);
+};
diff --git a/audio/7.1/config/Android.bp b/audio/7.1/config/Android.bp
new file mode 100644
index 0000000..70c8fd4
--- /dev/null
+++ b/audio/7.1/config/Android.bp
@@ -0,0 +1,31 @@
+package {
+    // See: http://go/android-license-faq
+    // A large-scale-change added 'default_applicable_licenses' to import
+    // all of the 'license_kinds' from "hardware_interfaces_license"
+    // to get the below license kinds:
+    //   SPDX-license-identifier-Apache-2.0
+    default_applicable_licenses: ["hardware_interfaces_license"],
+}
+
+xsd_config {
+    name: "audio_policy_configuration_V7_1",
+    srcs: ["audio_policy_configuration.xsd"],
+    package_name: "android.audio.policy.configuration.V7_1",
+    nullability: true,
+}
+
+xsd_config {
+    name: "audio_policy_configuration_V7_1_enums",
+    srcs: ["audio_policy_configuration.xsd"],
+    package_name: "android.audio.policy.configuration.V7_1",
+    nullability: true,
+    enums_only: true,
+}
+
+xsd_config {
+    name: "audio_policy_configuration_V7_1_parser",
+    srcs: ["audio_policy_configuration.xsd"],
+    package_name: "android.audio.policy.configuration.V7_1",
+    nullability: true,
+    parser_only: true,
+}
diff --git a/audio/7.1/config/api/current.txt b/audio/7.1/config/api/current.txt
new file mode 100644
index 0000000..0a0eb02
--- /dev/null
+++ b/audio/7.1/config/api/current.txt
@@ -0,0 +1,596 @@
+// Signature format: 2.0
+package android.audio.policy.configuration.V7_1 {
+
+  public class AttachedDevices {
+    ctor public AttachedDevices();
+    method @Nullable public java.util.List<java.lang.String> getItem();
+  }
+
+  public enum AudioChannelMask {
+    method @NonNull public String getRawName();
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_1;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_10;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_11;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_12;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_13;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_14;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_15;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_16;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_17;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_18;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_19;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_2;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_20;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_21;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_22;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_23;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_24;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_3;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_4;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_5;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_6;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_7;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_8;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_INDEX_MASK_9;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_IN_2POINT0POINT2;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_IN_2POINT1POINT2;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_IN_3POINT0POINT2;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_IN_3POINT1POINT2;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_IN_5POINT1;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_IN_6;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_IN_FRONT_BACK;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_IN_MONO;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_IN_STEREO;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_IN_VOICE_CALL_MONO;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_IN_VOICE_DNLINK_MONO;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_IN_VOICE_UPLINK_MONO;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_NONE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_13POINT_360RA;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_22POINT2;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_2POINT0POINT2;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_2POINT1;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_2POINT1POINT2;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_3POINT0POINT2;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_3POINT1;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_3POINT1POINT2;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_5POINT1;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_5POINT1POINT2;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_5POINT1POINT4;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_5POINT1_BACK;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_5POINT1_SIDE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_6POINT1;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_7POINT1;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_7POINT1POINT2;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_7POINT1POINT4;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_9POINT1POINT4;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_9POINT1POINT6;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_HAPTIC_AB;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_MONO;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_MONO_HAPTIC_A;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_MONO_HAPTIC_AB;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_PENTA;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_QUAD;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_QUAD_BACK;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_QUAD_SIDE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_STEREO;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_STEREO_HAPTIC_A;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_STEREO_HAPTIC_AB;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_SURROUND;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_TRI;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioChannelMask AUDIO_CHANNEL_OUT_TRI_BACK;
+  }
+
+  public enum AudioContentType {
+    method @NonNull public String getRawName();
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioContentType AUDIO_CONTENT_TYPE_MOVIE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioContentType AUDIO_CONTENT_TYPE_MUSIC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioContentType AUDIO_CONTENT_TYPE_SONIFICATION;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioContentType AUDIO_CONTENT_TYPE_SPEECH;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioContentType AUDIO_CONTENT_TYPE_UNKNOWN;
+  }
+
+  public enum AudioDevice {
+    method @NonNull public String getRawName();
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_AMBIENT;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_ANLG_DOCK_HEADSET;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_AUX_DIGITAL;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_BACK_MIC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_BLE_HEADSET;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_BLUETOOTH_A2DP;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_BLUETOOTH_BLE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_BUILTIN_MIC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_BUS;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_COMMUNICATION;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_DEFAULT;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_DGTL_DOCK_HEADSET;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_ECHO_REFERENCE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_FM_TUNER;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_HDMI;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_HDMI_ARC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_HDMI_EARC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_IP;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_LINE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_LOOPBACK;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_PROXY;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_REMOTE_SUBMIX;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_SPDIF;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_STUB;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_TELEPHONY_RX;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_TV_TUNER;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_USB_ACCESSORY;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_USB_DEVICE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_USB_HEADSET;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_VOICE_CALL;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_IN_WIRED_HEADSET;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_NONE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_AUX_DIGITAL;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_AUX_LINE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_BLE_BROADCAST;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_BLE_HEADSET;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_BLE_SPEAKER;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_BLUETOOTH_A2DP;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_BLUETOOTH_SCO;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_BUS;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_DEFAULT;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_EARPIECE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_ECHO_CANCELLER;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_FM;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_HDMI;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_HDMI_ARC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_HDMI_EARC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_HEARING_AID;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_IP;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_LINE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_PROXY;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_REMOTE_SUBMIX;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_SPDIF;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_SPEAKER;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_SPEAKER_SAFE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_STUB;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_TELEPHONY_TX;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_USB_ACCESSORY;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_USB_DEVICE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_USB_HEADSET;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_WIRED_HEADPHONE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioDevice AUDIO_DEVICE_OUT_WIRED_HEADSET;
+  }
+
+  public enum AudioEncapsulationType {
+    method @NonNull public String getRawName();
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioEncapsulationType AUDIO_ENCAPSULATION_TYPE_IEC61937;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioEncapsulationType AUDIO_ENCAPSULATION_TYPE_NONE;
+  }
+
+  public enum AudioFormat {
+    method @NonNull public String getRawName();
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_ADIF;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_ADTS;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_ADTS_ELD;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_ADTS_ERLC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_ADTS_HE_V1;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_ADTS_HE_V2;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_ADTS_LC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_ADTS_LD;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_ADTS_LTP;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_ADTS_MAIN;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_ADTS_SCALABLE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_ADTS_SSR;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_ADTS_XHE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_ELD;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_ERLC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_HE_V1;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_HE_V2;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_LATM;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_LATM_HE_V1;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_LATM_HE_V2;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_LATM_LC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_LC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_LD;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_LTP;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_MAIN;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_SCALABLE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_SSR;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AAC_XHE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AC3;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AC4;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_ALAC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AMR_NB;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AMR_WB;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_AMR_WB_PLUS;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_APE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_APTX;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_APTX_ADAPTIVE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_APTX_HD;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_APTX_TWSP;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_CELT;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_DEFAULT;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_DOLBY_TRUEHD;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_DRA;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_DSD;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_DTS;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_DTS_HD;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_DTS_UHD;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_EVRC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_EVRCB;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_EVRCNW;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_EVRCWB;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_E_AC3;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_E_AC3_JOC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_FLAC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_HE_AAC_V1;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_HE_AAC_V2;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_IEC60958;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_IEC61937;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_LC3;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_LDAC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_LHDC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_LHDC_LL;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_MAT;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_MAT_1_0;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_MAT_2_0;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_MAT_2_1;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_MP2;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_MP3;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_MPEGH_BL_L3;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_MPEGH_BL_L4;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_MPEGH_LC_L3;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_MPEGH_LC_L4;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_OPUS;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_PCM_16_BIT;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_PCM_24_BIT_PACKED;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_PCM_32_BIT;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_PCM_8_24_BIT;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_PCM_8_BIT;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_PCM_FLOAT;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_QCELP;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_SBC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_VORBIS;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_WMA;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioFormat AUDIO_FORMAT_WMA_PRO;
+  }
+
+  public enum AudioGainMode {
+    method @NonNull public String getRawName();
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioGainMode AUDIO_GAIN_MODE_CHANNELS;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioGainMode AUDIO_GAIN_MODE_JOINT;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioGainMode AUDIO_GAIN_MODE_RAMP;
+  }
+
+  public enum AudioInOutFlag {
+    method @NonNull public String getRawName();
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioInOutFlag AUDIO_INPUT_FLAG_DIRECT;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioInOutFlag AUDIO_INPUT_FLAG_FAST;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioInOutFlag AUDIO_INPUT_FLAG_HW_AV_SYNC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioInOutFlag AUDIO_INPUT_FLAG_HW_HOTWORD;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioInOutFlag AUDIO_INPUT_FLAG_MMAP_NOIRQ;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioInOutFlag AUDIO_INPUT_FLAG_RAW;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioInOutFlag AUDIO_INPUT_FLAG_SYNC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioInOutFlag AUDIO_INPUT_FLAG_VOIP_TX;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioInOutFlag AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioInOutFlag AUDIO_OUTPUT_FLAG_DEEP_BUFFER;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioInOutFlag AUDIO_OUTPUT_FLAG_DIRECT;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioInOutFlag AUDIO_OUTPUT_FLAG_DIRECT_PCM;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioInOutFlag AUDIO_OUTPUT_FLAG_FAST;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioInOutFlag AUDIO_OUTPUT_FLAG_GAPLESS_OFFLOAD;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioInOutFlag AUDIO_OUTPUT_FLAG_HW_AV_SYNC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioInOutFlag AUDIO_OUTPUT_FLAG_IEC958_NONAUDIO;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioInOutFlag AUDIO_OUTPUT_FLAG_INCALL_MUSIC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioInOutFlag AUDIO_OUTPUT_FLAG_MMAP_NOIRQ;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioInOutFlag AUDIO_OUTPUT_FLAG_NON_BLOCKING;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioInOutFlag AUDIO_OUTPUT_FLAG_PRIMARY;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioInOutFlag AUDIO_OUTPUT_FLAG_RAW;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioInOutFlag AUDIO_OUTPUT_FLAG_SPATIALIZER;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioInOutFlag AUDIO_OUTPUT_FLAG_SYNC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioInOutFlag AUDIO_OUTPUT_FLAG_TTS;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioInOutFlag AUDIO_OUTPUT_FLAG_VOIP_RX;
+  }
+
+  public class AudioPolicyConfiguration {
+    ctor public AudioPolicyConfiguration();
+    method @Nullable public android.audio.policy.configuration.V7_1.GlobalConfiguration getGlobalConfiguration();
+    method @Nullable public java.util.List<android.audio.policy.configuration.V7_1.Modules> getModules();
+    method @Nullable public android.audio.policy.configuration.V7_1.SurroundSound getSurroundSound();
+    method @Nullable public android.audio.policy.configuration.V7_1.Version getVersion();
+    method @Nullable public java.util.List<android.audio.policy.configuration.V7_1.Volumes> getVolumes();
+    method public void setGlobalConfiguration(@Nullable android.audio.policy.configuration.V7_1.GlobalConfiguration);
+    method public void setSurroundSound(@Nullable android.audio.policy.configuration.V7_1.SurroundSound);
+    method public void setVersion(@Nullable android.audio.policy.configuration.V7_1.Version);
+  }
+
+  public enum AudioSource {
+    method @NonNull public String getRawName();
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioSource AUDIO_SOURCE_CAMCORDER;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioSource AUDIO_SOURCE_DEFAULT;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioSource AUDIO_SOURCE_ECHO_REFERENCE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioSource AUDIO_SOURCE_FM_TUNER;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioSource AUDIO_SOURCE_HOTWORD;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioSource AUDIO_SOURCE_MIC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioSource AUDIO_SOURCE_REMOTE_SUBMIX;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioSource AUDIO_SOURCE_UNPROCESSED;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioSource AUDIO_SOURCE_VOICE_CALL;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioSource AUDIO_SOURCE_VOICE_COMMUNICATION;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioSource AUDIO_SOURCE_VOICE_DOWNLINK;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioSource AUDIO_SOURCE_VOICE_PERFORMANCE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioSource AUDIO_SOURCE_VOICE_RECOGNITION;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioSource AUDIO_SOURCE_VOICE_UPLINK;
+  }
+
+  public enum AudioStreamType {
+    method @NonNull public String getRawName();
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioStreamType AUDIO_STREAM_ACCESSIBILITY;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioStreamType AUDIO_STREAM_ALARM;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioStreamType AUDIO_STREAM_ASSISTANT;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioStreamType AUDIO_STREAM_BLUETOOTH_SCO;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioStreamType AUDIO_STREAM_CALL_ASSISTANT;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioStreamType AUDIO_STREAM_DTMF;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioStreamType AUDIO_STREAM_ENFORCED_AUDIBLE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioStreamType AUDIO_STREAM_MUSIC;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioStreamType AUDIO_STREAM_NOTIFICATION;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioStreamType AUDIO_STREAM_PATCH;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioStreamType AUDIO_STREAM_REROUTING;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioStreamType AUDIO_STREAM_RING;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioStreamType AUDIO_STREAM_SYSTEM;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioStreamType AUDIO_STREAM_TTS;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioStreamType AUDIO_STREAM_VOICE_CALL;
+  }
+
+  public enum AudioUsage {
+    method @NonNull public String getRawName();
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioUsage AUDIO_USAGE_ALARM;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioUsage AUDIO_USAGE_ANNOUNCEMENT;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioUsage AUDIO_USAGE_ASSISTANCE_ACCESSIBILITY;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioUsage AUDIO_USAGE_ASSISTANCE_NAVIGATION_GUIDANCE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioUsage AUDIO_USAGE_ASSISTANCE_SONIFICATION;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioUsage AUDIO_USAGE_ASSISTANT;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioUsage AUDIO_USAGE_CALL_ASSISTANT;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioUsage AUDIO_USAGE_EMERGENCY;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioUsage AUDIO_USAGE_GAME;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioUsage AUDIO_USAGE_MEDIA;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioUsage AUDIO_USAGE_NOTIFICATION;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioUsage AUDIO_USAGE_NOTIFICATION_TELEPHONY_RINGTONE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioUsage AUDIO_USAGE_SAFETY;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioUsage AUDIO_USAGE_UNKNOWN;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioUsage AUDIO_USAGE_VEHICLE_STATUS;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioUsage AUDIO_USAGE_VIRTUAL_SOURCE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioUsage AUDIO_USAGE_VOICE_COMMUNICATION;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioUsage AUDIO_USAGE_VOICE_COMMUNICATION_SIGNALLING;
+  }
+
+  public enum DeviceCategory {
+    method @NonNull public String getRawName();
+    enum_constant public static final android.audio.policy.configuration.V7_1.DeviceCategory DEVICE_CATEGORY_EARPIECE;
+    enum_constant public static final android.audio.policy.configuration.V7_1.DeviceCategory DEVICE_CATEGORY_EXT_MEDIA;
+    enum_constant public static final android.audio.policy.configuration.V7_1.DeviceCategory DEVICE_CATEGORY_HEADSET;
+    enum_constant public static final android.audio.policy.configuration.V7_1.DeviceCategory DEVICE_CATEGORY_HEARING_AID;
+    enum_constant public static final android.audio.policy.configuration.V7_1.DeviceCategory DEVICE_CATEGORY_SPEAKER;
+  }
+
+  public class DevicePorts {
+    ctor public DevicePorts();
+    method @Nullable public java.util.List<android.audio.policy.configuration.V7_1.DevicePorts.DevicePort> getDevicePort();
+  }
+
+  public static class DevicePorts.DevicePort {
+    ctor public DevicePorts.DevicePort();
+    method @Nullable public String getAddress();
+    method @Nullable public java.util.List<java.lang.String> getEncodedFormats();
+    method @Nullable public android.audio.policy.configuration.V7_1.Gains getGains();
+    method @Nullable public java.util.List<android.audio.policy.configuration.V7_1.Profile> getProfile();
+    method @Nullable public android.audio.policy.configuration.V7_1.Role getRole();
+    method @Nullable public String getTagName();
+    method @Nullable public String getType();
+    method @Nullable public boolean get_default();
+    method public void setAddress(@Nullable String);
+    method public void setEncodedFormats(@Nullable java.util.List<java.lang.String>);
+    method public void setGains(@Nullable android.audio.policy.configuration.V7_1.Gains);
+    method public void setRole(@Nullable android.audio.policy.configuration.V7_1.Role);
+    method public void setTagName(@Nullable String);
+    method public void setType(@Nullable String);
+    method public void set_default(@Nullable boolean);
+  }
+
+  public enum EngineSuffix {
+    method @NonNull public String getRawName();
+    enum_constant public static final android.audio.policy.configuration.V7_1.EngineSuffix _default;
+    enum_constant public static final android.audio.policy.configuration.V7_1.EngineSuffix configurable;
+  }
+
+  public class Gains {
+    ctor public Gains();
+    method @Nullable public java.util.List<android.audio.policy.configuration.V7_1.Gains.Gain> getGain();
+  }
+
+  public static class Gains.Gain {
+    ctor public Gains.Gain();
+    method @Nullable public android.audio.policy.configuration.V7_1.AudioChannelMask getChannel_mask();
+    method @Nullable public int getDefaultValueMB();
+    method @Nullable public int getMaxRampMs();
+    method @Nullable public int getMaxValueMB();
+    method @Nullable public int getMinRampMs();
+    method @Nullable public int getMinValueMB();
+    method @Nullable public java.util.List<android.audio.policy.configuration.V7_1.AudioGainMode> getMode();
+    method @Nullable public String getName();
+    method @Nullable public int getStepValueMB();
+    method @Nullable public boolean getUseForVolume();
+    method public void setChannel_mask(@Nullable android.audio.policy.configuration.V7_1.AudioChannelMask);
+    method public void setDefaultValueMB(@Nullable int);
+    method public void setMaxRampMs(@Nullable int);
+    method public void setMaxValueMB(@Nullable int);
+    method public void setMinRampMs(@Nullable int);
+    method public void setMinValueMB(@Nullable int);
+    method public void setMode(@Nullable java.util.List<android.audio.policy.configuration.V7_1.AudioGainMode>);
+    method public void setName(@Nullable String);
+    method public void setStepValueMB(@Nullable int);
+    method public void setUseForVolume(@Nullable boolean);
+  }
+
+  public class GlobalConfiguration {
+    ctor public GlobalConfiguration();
+    method @Nullable public boolean getCall_screen_mode_supported();
+    method @Nullable public android.audio.policy.configuration.V7_1.EngineSuffix getEngine_library();
+    method @Nullable public boolean getSpeaker_drc_enabled();
+    method public void setCall_screen_mode_supported(@Nullable boolean);
+    method public void setEngine_library(@Nullable android.audio.policy.configuration.V7_1.EngineSuffix);
+    method public void setSpeaker_drc_enabled(@Nullable boolean);
+  }
+
+  public enum HalVersion {
+    method @NonNull public String getRawName();
+    enum_constant public static final android.audio.policy.configuration.V7_1.HalVersion _2_0;
+    enum_constant public static final android.audio.policy.configuration.V7_1.HalVersion _3_0;
+  }
+
+  public class MixPorts {
+    ctor public MixPorts();
+    method @Nullable public java.util.List<android.audio.policy.configuration.V7_1.MixPorts.MixPort> getMixPort();
+  }
+
+  public static class MixPorts.MixPort {
+    ctor public MixPorts.MixPort();
+    method @Nullable public java.util.List<android.audio.policy.configuration.V7_1.AudioInOutFlag> getFlags();
+    method @Nullable public android.audio.policy.configuration.V7_1.Gains getGains();
+    method @Nullable public long getMaxActiveCount();
+    method @Nullable public long getMaxOpenCount();
+    method @Nullable public String getName();
+    method @Nullable public java.util.List<android.audio.policy.configuration.V7_1.AudioUsage> getPreferredUsage();
+    method @Nullable public java.util.List<android.audio.policy.configuration.V7_1.Profile> getProfile();
+    method @Nullable public android.audio.policy.configuration.V7_1.Role getRole();
+    method public void setFlags(@Nullable java.util.List<android.audio.policy.configuration.V7_1.AudioInOutFlag>);
+    method public void setGains(@Nullable android.audio.policy.configuration.V7_1.Gains);
+    method public void setMaxActiveCount(@Nullable long);
+    method public void setMaxOpenCount(@Nullable long);
+    method public void setName(@Nullable String);
+    method public void setPreferredUsage(@Nullable java.util.List<android.audio.policy.configuration.V7_1.AudioUsage>);
+    method public void setRole(@Nullable android.audio.policy.configuration.V7_1.Role);
+  }
+
+  public enum MixType {
+    method @NonNull public String getRawName();
+    enum_constant public static final android.audio.policy.configuration.V7_1.MixType mix;
+    enum_constant public static final android.audio.policy.configuration.V7_1.MixType mux;
+  }
+
+  public class Modules {
+    ctor public Modules();
+    method @Nullable public java.util.List<android.audio.policy.configuration.V7_1.Modules.Module> getModule();
+  }
+
+  public static class Modules.Module {
+    ctor public Modules.Module();
+    method @Nullable public android.audio.policy.configuration.V7_1.AttachedDevices getAttachedDevices();
+    method @Nullable public String getDefaultOutputDevice();
+    method @Nullable public android.audio.policy.configuration.V7_1.DevicePorts getDevicePorts();
+    method @Nullable public android.audio.policy.configuration.V7_1.HalVersion getHalVersion();
+    method @Nullable public android.audio.policy.configuration.V7_1.MixPorts getMixPorts();
+    method @Nullable public String getName();
+    method @Nullable public android.audio.policy.configuration.V7_1.Routes getRoutes();
+    method public void setAttachedDevices(@Nullable android.audio.policy.configuration.V7_1.AttachedDevices);
+    method public void setDefaultOutputDevice(@Nullable String);
+    method public void setDevicePorts(@Nullable android.audio.policy.configuration.V7_1.DevicePorts);
+    method public void setHalVersion(@Nullable android.audio.policy.configuration.V7_1.HalVersion);
+    method public void setMixPorts(@Nullable android.audio.policy.configuration.V7_1.MixPorts);
+    method public void setName(@Nullable String);
+    method public void setRoutes(@Nullable android.audio.policy.configuration.V7_1.Routes);
+  }
+
+  public class Profile {
+    ctor public Profile();
+    method @Nullable public java.util.List<android.audio.policy.configuration.V7_1.AudioChannelMask> getChannelMasks();
+    method @Nullable public android.audio.policy.configuration.V7_1.AudioEncapsulationType getEncapsulationType();
+    method @Nullable public String getFormat();
+    method @Nullable public String getName();
+    method @Nullable public java.util.List<java.math.BigInteger> getSamplingRates();
+    method public void setChannelMasks(@Nullable java.util.List<android.audio.policy.configuration.V7_1.AudioChannelMask>);
+    method public void setEncapsulationType(@Nullable android.audio.policy.configuration.V7_1.AudioEncapsulationType);
+    method public void setFormat(@Nullable String);
+    method public void setName(@Nullable String);
+    method public void setSamplingRates(@Nullable java.util.List<java.math.BigInteger>);
+  }
+
+  public class Reference {
+    ctor public Reference();
+    method @Nullable public String getName();
+    method @Nullable public java.util.List<java.lang.String> getPoint();
+    method public void setName(@Nullable String);
+  }
+
+  public enum Role {
+    method @NonNull public String getRawName();
+    enum_constant public static final android.audio.policy.configuration.V7_1.Role sink;
+    enum_constant public static final android.audio.policy.configuration.V7_1.Role source;
+  }
+
+  public class Routes {
+    ctor public Routes();
+    method @Nullable public java.util.List<android.audio.policy.configuration.V7_1.Routes.Route> getRoute();
+  }
+
+  public static class Routes.Route {
+    ctor public Routes.Route();
+    method @Nullable public String getSink();
+    method @Nullable public String getSources();
+    method @Nullable public android.audio.policy.configuration.V7_1.MixType getType();
+    method public void setSink(@Nullable String);
+    method public void setSources(@Nullable String);
+    method public void setType(@Nullable android.audio.policy.configuration.V7_1.MixType);
+  }
+
+  public class SurroundFormats {
+    ctor public SurroundFormats();
+    method @Nullable public java.util.List<android.audio.policy.configuration.V7_1.SurroundFormats.Format> getFormat();
+  }
+
+  public static class SurroundFormats.Format {
+    ctor public SurroundFormats.Format();
+    method @Nullable public String getName();
+    method @Nullable public java.util.List<java.lang.String> getSubformats();
+    method public void setName(@Nullable String);
+    method public void setSubformats(@Nullable java.util.List<java.lang.String>);
+  }
+
+  public class SurroundSound {
+    ctor public SurroundSound();
+    method @Nullable public android.audio.policy.configuration.V7_1.SurroundFormats getFormats();
+    method public void setFormats(@Nullable android.audio.policy.configuration.V7_1.SurroundFormats);
+  }
+
+  public enum Version {
+    method @NonNull public String getRawName();
+    enum_constant public static final android.audio.policy.configuration.V7_1.Version _7_0;
+    enum_constant public static final android.audio.policy.configuration.V7_1.Version _7_1;
+  }
+
+  public class Volume {
+    ctor public Volume();
+    method @Nullable public android.audio.policy.configuration.V7_1.DeviceCategory getDeviceCategory();
+    method @Nullable public java.util.List<java.lang.String> getPoint();
+    method @Nullable public String getRef();
+    method @Nullable public android.audio.policy.configuration.V7_1.AudioStreamType getStream();
+    method public void setDeviceCategory(@Nullable android.audio.policy.configuration.V7_1.DeviceCategory);
+    method public void setRef(@Nullable String);
+    method public void setStream(@Nullable android.audio.policy.configuration.V7_1.AudioStreamType);
+  }
+
+  public class Volumes {
+    ctor public Volumes();
+    method @Nullable public java.util.List<android.audio.policy.configuration.V7_1.Reference> getReference();
+    method @Nullable public java.util.List<android.audio.policy.configuration.V7_1.Volume> getVolume();
+  }
+
+  public class XmlParser {
+    ctor public XmlParser();
+    method @Nullable public static android.audio.policy.configuration.V7_1.AudioPolicyConfiguration read(@NonNull java.io.InputStream) throws javax.xml.datatype.DatatypeConfigurationException, java.io.IOException, org.xmlpull.v1.XmlPullParserException;
+    method @Nullable public static String readText(@NonNull org.xmlpull.v1.XmlPullParser) throws java.io.IOException, org.xmlpull.v1.XmlPullParserException;
+    method public static void skip(@NonNull org.xmlpull.v1.XmlPullParser) throws java.io.IOException, org.xmlpull.v1.XmlPullParserException;
+  }
+
+}
+
diff --git a/audio/7.1/config/api/last_current.txt b/audio/7.1/config/api/last_current.txt
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/audio/7.1/config/api/last_current.txt
diff --git a/audio/7.1/config/api/last_removed.txt b/audio/7.1/config/api/last_removed.txt
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/audio/7.1/config/api/last_removed.txt
diff --git a/audio/7.1/config/api/removed.txt b/audio/7.1/config/api/removed.txt
new file mode 100644
index 0000000..d802177
--- /dev/null
+++ b/audio/7.1/config/api/removed.txt
@@ -0,0 +1 @@
+// Signature format: 2.0
diff --git a/audio/7.1/config/audio_policy_configuration.xsd b/audio/7.1/config/audio_policy_configuration.xsd
new file mode 100644
index 0000000..defb506
--- /dev/null
+++ b/audio/7.1/config/audio_policy_configuration.xsd
@@ -0,0 +1,819 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Copyright (C) 2020 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.
+-->
+<xs:schema version="2.0"
+           elementFormDefault="qualified"
+           attributeFormDefault="unqualified"
+           xmlns:xs="http://www.w3.org/2001/XMLSchema">
+    <!-- List the config versions supported by audio policy. -->
+    <xs:simpleType name="version">
+        <xs:restriction base="xs:decimal">
+            <xs:enumeration value="7.0"/>
+            <xs:enumeration value="7.1"/>
+        </xs:restriction>
+    </xs:simpleType>
+    <xs:simpleType name="halVersion">
+        <xs:annotation>
+            <xs:documentation xml:lang="en">
+                Version of the interface the hal implements. Note that this
+                relates to legacy HAL API versions since HIDL APIs are versioned
+                using other mechanisms.
+            </xs:documentation>
+        </xs:annotation>
+        <xs:restriction base="xs:decimal">
+            <!-- List of HAL versions supported by the framework. -->
+            <xs:enumeration value="2.0"/>
+            <xs:enumeration value="3.0"/>
+        </xs:restriction>
+    </xs:simpleType>
+    <xs:element name="audioPolicyConfiguration">
+        <xs:complexType>
+            <xs:sequence>
+                <xs:element name="globalConfiguration" type="globalConfiguration"/>
+                <xs:element name="modules" type="modules" maxOccurs="unbounded"/>
+                <xs:element name="volumes" type="volumes" maxOccurs="unbounded"/>
+                <xs:element name="surroundSound" type="surroundSound" minOccurs="0" />
+            </xs:sequence>
+            <xs:attribute name="version" type="version"/>
+        </xs:complexType>
+        <xs:key name="moduleNameKey">
+            <xs:selector xpath="modules/module"/>
+            <xs:field xpath="@name"/>
+        </xs:key>
+        <xs:unique name="volumeTargetUniqueness">
+            <xs:selector xpath="volumes/volume"/>
+            <xs:field xpath="@stream"/>
+            <xs:field xpath="@deviceCategory"/>
+        </xs:unique>
+        <xs:key name="volumeCurveNameKey">
+            <xs:selector xpath="volumes/reference"/>
+            <xs:field xpath="@name"/>
+        </xs:key>
+        <xs:keyref name="volumeCurveRef" refer="volumeCurveNameKey">
+            <xs:selector xpath="volumes/volume"/>
+            <xs:field xpath="@ref"/>
+        </xs:keyref>
+    </xs:element>
+    <xs:complexType name="globalConfiguration">
+        <xs:attribute name="speaker_drc_enabled" type="xs:boolean" use="required"/>
+        <xs:attribute name="call_screen_mode_supported" type="xs:boolean" use="optional"/>
+        <xs:attribute name="engine_library" type="engineSuffix" use="optional"/>
+    </xs:complexType>
+    <xs:complexType name="modules">
+        <xs:annotation>
+            <xs:documentation xml:lang="en">
+                There should be one section per audio HW module present on the platform.
+                Each <module/> contains two mandatory tags: “halVersion” and “name”.
+                The module "name" is the same as in previous .conf file.
+                Each module must contain the following sections:
+                 - <devicePorts/>: a list of device descriptors for all
+                   input and output devices accessible via this module.
+                   This contains both permanently attached devices and removable devices.
+                 - <mixPorts/>: listing all output and input streams exposed by the audio HAL
+                 - <routes/>: list of possible connections between input
+                   and output devices or between stream and devices.
+                   A <route/> is defined by a set of 3 attributes:
+                        -"type": mux|mix means all sources are mutual exclusive (mux) or can be mixed (mix)
+                        -"sink": the sink involved in this route
+                        -"sources": all the sources than can be connected to the sink via this route
+                 - <attachedDevices/>: permanently attached devices.
+                   The attachedDevices section is a list of devices names.
+                   Their names correspond to device names defined in "devicePorts" section.
+                 - <defaultOutputDevice/> is the device to be used when no policy rule applies
+            </xs:documentation>
+        </xs:annotation>
+        <xs:sequence>
+            <xs:element name="module" maxOccurs="unbounded">
+                <xs:complexType>
+                    <xs:sequence>
+                        <xs:element name="attachedDevices" type="attachedDevices" minOccurs="0">
+                            <xs:unique name="attachedDevicesUniqueness">
+                                <xs:selector xpath="item"/>
+                                <xs:field xpath="."/>
+                            </xs:unique>
+                        </xs:element>
+                        <xs:element name="defaultOutputDevice" type="xs:token" minOccurs="0"/>
+                        <xs:element name="mixPorts" type="mixPorts" minOccurs="0"/>
+                        <xs:element name="devicePorts" type="devicePorts" minOccurs="0"/>
+                        <xs:element name="routes" type="routes" minOccurs="0"/>
+                    </xs:sequence>
+                    <xs:attribute name="name" type="xs:string" use="required"/>
+                    <xs:attribute name="halVersion" type="halVersion" use="required"/>
+                </xs:complexType>
+                <xs:unique name="mixPortNameUniqueness">
+                    <xs:selector xpath="mixPorts/mixPort"/>
+                    <xs:field xpath="@name"/>
+                </xs:unique>
+                <xs:key name="devicePortNameKey">
+                    <xs:selector xpath="devicePorts/devicePort"/>
+                    <xs:field xpath="@tagName"/>
+                </xs:key>
+                <xs:unique name="devicePortUniqueness">
+                    <xs:selector xpath="devicePorts/devicePort"/>
+                    <xs:field xpath="@type"/>
+                    <xs:field xpath="@address"/>
+                </xs:unique>
+                <xs:keyref name="defaultOutputDeviceRef" refer="devicePortNameKey">
+                    <xs:selector xpath="defaultOutputDevice"/>
+                    <xs:field xpath="."/>
+                </xs:keyref>
+                <xs:keyref name="attachedDeviceRef" refer="devicePortNameKey">
+                    <xs:selector xpath="attachedDevices/item"/>
+                    <xs:field xpath="."/>
+                </xs:keyref>
+                <!-- The following 3 constraints try to make sure each sink port
+                     is reference in one an only one route. -->
+                <xs:key name="routeSinkKey">
+                    <!-- predicate [@type='sink'] does not work in xsd 1.0 -->
+                    <xs:selector xpath="devicePorts/devicePort|mixPorts/mixPort"/>
+                    <xs:field xpath="@tagName|@name"/>
+                </xs:key>
+                <xs:keyref name="routeSinkRef" refer="routeSinkKey">
+                    <xs:selector xpath="routes/route"/>
+                    <xs:field xpath="@sink"/>
+                </xs:keyref>
+                <xs:unique name="routeUniqueness">
+                    <xs:selector xpath="routes/route"/>
+                    <xs:field xpath="@sink"/>
+                </xs:unique>
+            </xs:element>
+        </xs:sequence>
+    </xs:complexType>
+    <xs:complexType name="attachedDevices">
+        <xs:sequence>
+            <xs:element name="item" type="xs:token" minOccurs="0" maxOccurs="unbounded"/>
+        </xs:sequence>
+    </xs:complexType>
+    <xs:simpleType name="audioInOutFlag">
+        <xs:annotation>
+            <xs:documentation xml:lang="en">
+              The flags indicate suggested stream attributes supported by the profile.
+            </xs:documentation>
+        </xs:annotation>
+        <xs:restriction base="xs:string">
+            <xs:enumeration value="AUDIO_OUTPUT_FLAG_DIRECT" />
+            <xs:enumeration value="AUDIO_OUTPUT_FLAG_PRIMARY" />
+            <xs:enumeration value="AUDIO_OUTPUT_FLAG_FAST" />
+            <xs:enumeration value="AUDIO_OUTPUT_FLAG_DEEP_BUFFER" />
+            <xs:enumeration value="AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD" />
+            <xs:enumeration value="AUDIO_OUTPUT_FLAG_NON_BLOCKING" />
+            <xs:enumeration value="AUDIO_OUTPUT_FLAG_HW_AV_SYNC" />
+            <xs:enumeration value="AUDIO_OUTPUT_FLAG_TTS" />
+            <xs:enumeration value="AUDIO_OUTPUT_FLAG_RAW" />
+            <xs:enumeration value="AUDIO_OUTPUT_FLAG_SYNC" />
+            <xs:enumeration value="AUDIO_OUTPUT_FLAG_IEC958_NONAUDIO" />
+            <xs:enumeration value="AUDIO_OUTPUT_FLAG_DIRECT_PCM" />
+            <xs:enumeration value="AUDIO_OUTPUT_FLAG_MMAP_NOIRQ" />
+            <xs:enumeration value="AUDIO_OUTPUT_FLAG_VOIP_RX" />
+            <xs:enumeration value="AUDIO_OUTPUT_FLAG_INCALL_MUSIC" />
+            <xs:enumeration value="AUDIO_OUTPUT_FLAG_GAPLESS_OFFLOAD" />
+            <xs:enumeration value="AUDIO_OUTPUT_FLAG_SPATIALIZER" />
+            <xs:enumeration value="AUDIO_INPUT_FLAG_FAST" />
+            <xs:enumeration value="AUDIO_INPUT_FLAG_HW_HOTWORD" />
+            <xs:enumeration value="AUDIO_INPUT_FLAG_RAW" />
+            <xs:enumeration value="AUDIO_INPUT_FLAG_SYNC" />
+            <xs:enumeration value="AUDIO_INPUT_FLAG_MMAP_NOIRQ" />
+            <xs:enumeration value="AUDIO_INPUT_FLAG_VOIP_TX" />
+            <xs:enumeration value="AUDIO_INPUT_FLAG_HW_AV_SYNC" />
+            <xs:enumeration value="AUDIO_INPUT_FLAG_DIRECT" />
+        </xs:restriction>
+    </xs:simpleType>
+    <xs:simpleType name="audioInOutFlags">
+        <xs:list itemType="audioInOutFlag" />
+    </xs:simpleType>
+    <xs:simpleType name="role">
+        <xs:restriction base="xs:string">
+            <xs:enumeration value="sink"/>
+            <xs:enumeration value="source"/>
+        </xs:restriction>
+    </xs:simpleType>
+    <xs:complexType name="mixPorts">
+        <xs:sequence>
+            <xs:element name="mixPort" minOccurs="0" maxOccurs="unbounded">
+                <xs:complexType>
+                    <xs:sequence>
+                        <xs:element name="profile" type="profile" minOccurs="0" maxOccurs="unbounded"/>
+                        <xs:element name="gains" type="gains" minOccurs="0"/>
+                    </xs:sequence>
+                    <xs:attribute name="name" type="xs:token" use="required"/>
+                    <xs:attribute name="role" type="role" use="required"/>
+                    <xs:attribute name="flags" type="audioInOutFlags"/>
+                    <xs:attribute name="maxOpenCount" type="xs:unsignedInt"/>
+                    <xs:attribute name="maxActiveCount" type="xs:unsignedInt"/>
+                    <xs:attribute name="preferredUsage" type="audioUsageList">
+                        <xs:annotation>
+                            <xs:documentation xml:lang="en">
+                                When choosing the mixPort of an audio track, the audioPolicy
+                                first considers the mixPorts with a preferredUsage including
+                                the track AudioUsage preferred .
+                                If non support the track format, the other mixPorts are considered.
+                                Eg: a <mixPort preferredUsage="AUDIO_USAGE_MEDIA" /> will receive
+                                    the audio of all apps playing with a MEDIA usage.
+                                    It may receive audio from ALARM if there are no audio compatible
+                                    <mixPort preferredUsage="AUDIO_USAGE_ALARM" />.
+                             </xs:documentation>
+                        </xs:annotation>
+                    </xs:attribute>
+                </xs:complexType>
+                <xs:unique name="mixPortProfileUniqueness">
+                    <xs:selector xpath="profile"/>
+                    <xs:field xpath="format"/>
+                    <xs:field xpath="samplingRate"/>
+                    <xs:field xpath="channelMasks"/>
+                </xs:unique>
+                <xs:unique name="mixPortGainUniqueness">
+                    <xs:selector xpath="gains/gain"/>
+                    <xs:field xpath="@name"/>
+                </xs:unique>
+            </xs:element>
+        </xs:sequence>
+    </xs:complexType>
+    <xs:simpleType name="audioDevice">
+        <xs:restriction base="xs:string">
+            <xs:enumeration value="AUDIO_DEVICE_NONE"/>
+
+            <xs:enumeration value="AUDIO_DEVICE_OUT_EARPIECE"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_SPEAKER"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_WIRED_HEADSET"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_WIRED_HEADPHONE"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_BLUETOOTH_SCO"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_BLUETOOTH_A2DP"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_HDMI"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_HDMI_EARC"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_AUX_DIGITAL"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_USB_ACCESSORY"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_USB_DEVICE"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_REMOTE_SUBMIX"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_TELEPHONY_TX"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_LINE"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_HDMI_ARC"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_SPDIF"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_FM"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_AUX_LINE"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_SPEAKER_SAFE"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_IP"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_BUS"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_PROXY"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_USB_HEADSET"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_HEARING_AID"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_ECHO_CANCELLER"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_BLE_HEADSET"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_BLE_SPEAKER"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_BLE_BROADCAST"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_DEFAULT"/>
+            <xs:enumeration value="AUDIO_DEVICE_OUT_STUB"/>
+
+            <xs:enumeration value="AUDIO_DEVICE_IN_COMMUNICATION"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_AMBIENT"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_BUILTIN_MIC"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_WIRED_HEADSET"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_HDMI"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_AUX_DIGITAL"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_VOICE_CALL"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_TELEPHONY_RX"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_BACK_MIC"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_REMOTE_SUBMIX"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_ANLG_DOCK_HEADSET"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_DGTL_DOCK_HEADSET"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_USB_ACCESSORY"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_USB_DEVICE"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_FM_TUNER"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_TV_TUNER"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_LINE"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_SPDIF"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_BLUETOOTH_A2DP"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_LOOPBACK"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_IP"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_BUS"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_PROXY"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_USB_HEADSET"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_BLUETOOTH_BLE"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_HDMI_ARC"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_HDMI_EARC"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_ECHO_REFERENCE"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_BLE_HEADSET"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_DEFAULT"/>
+            <xs:enumeration value="AUDIO_DEVICE_IN_STUB"/>
+        </xs:restriction>
+    </xs:simpleType>
+    <xs:simpleType name="vendorExtension">
+        <!-- Vendor extension names must be prefixed by "VX_" to distinguish them from
+             AOSP values. Vendors must namespace their names to avoid conflicts. The
+             namespace part must only use capital latin characters and decimal digits and
+             consist of at least 3 characters. The part of the extension name after the
+             namespace may in addition include underscores. Example for a hypothetical
+             Google virtual reality device:
+
+                 <devicePort tagName="VR" type="VX_GOOGLE_VR" role="sink" />
+        -->
+        <xs:restriction base="xs:string">
+            <xs:pattern value="VX_[A-Z0-9]{3,}_[_A-Z0-9]+"/>
+        </xs:restriction>
+    </xs:simpleType>
+    <xs:simpleType name="extendableAudioDevice">
+        <xs:union memberTypes="audioDevice vendorExtension"/>
+    </xs:simpleType>
+    <xs:simpleType name="audioFormat">
+        <xs:restriction base="xs:string">
+            <xs:enumeration value="AUDIO_FORMAT_DEFAULT" />
+            <xs:enumeration value="AUDIO_FORMAT_PCM_16_BIT" />
+            <xs:enumeration value="AUDIO_FORMAT_PCM_8_BIT"/>
+            <xs:enumeration value="AUDIO_FORMAT_PCM_32_BIT"/>
+            <xs:enumeration value="AUDIO_FORMAT_PCM_8_24_BIT"/>
+            <xs:enumeration value="AUDIO_FORMAT_PCM_FLOAT"/>
+            <xs:enumeration value="AUDIO_FORMAT_PCM_24_BIT_PACKED"/>
+            <xs:enumeration value="AUDIO_FORMAT_MP3"/>
+            <xs:enumeration value="AUDIO_FORMAT_AMR_NB"/>
+            <xs:enumeration value="AUDIO_FORMAT_AMR_WB"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_MAIN"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_LC"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_SSR"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_LTP"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_HE_V1"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_SCALABLE"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_ERLC"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_LD"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_HE_V2"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_ELD"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_XHE"/>
+            <xs:enumeration value="AUDIO_FORMAT_HE_AAC_V1"/>
+            <xs:enumeration value="AUDIO_FORMAT_HE_AAC_V2"/>
+            <xs:enumeration value="AUDIO_FORMAT_VORBIS"/>
+            <xs:enumeration value="AUDIO_FORMAT_OPUS"/>
+            <xs:enumeration value="AUDIO_FORMAT_AC3"/>
+            <xs:enumeration value="AUDIO_FORMAT_E_AC3"/>
+            <xs:enumeration value="AUDIO_FORMAT_E_AC3_JOC"/>
+            <xs:enumeration value="AUDIO_FORMAT_DTS"/>
+            <xs:enumeration value="AUDIO_FORMAT_DTS_HD"/>
+            <xs:enumeration value="AUDIO_FORMAT_IEC61937"/>
+            <xs:enumeration value="AUDIO_FORMAT_DOLBY_TRUEHD"/>
+            <xs:enumeration value="AUDIO_FORMAT_EVRC"/>
+            <xs:enumeration value="AUDIO_FORMAT_EVRCB"/>
+            <xs:enumeration value="AUDIO_FORMAT_EVRCWB"/>
+            <xs:enumeration value="AUDIO_FORMAT_EVRCNW"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_ADIF"/>
+            <xs:enumeration value="AUDIO_FORMAT_WMA"/>
+            <xs:enumeration value="AUDIO_FORMAT_WMA_PRO"/>
+            <xs:enumeration value="AUDIO_FORMAT_AMR_WB_PLUS"/>
+            <xs:enumeration value="AUDIO_FORMAT_MP2"/>
+            <xs:enumeration value="AUDIO_FORMAT_QCELP"/>
+            <xs:enumeration value="AUDIO_FORMAT_DSD"/>
+            <xs:enumeration value="AUDIO_FORMAT_FLAC"/>
+            <xs:enumeration value="AUDIO_FORMAT_ALAC"/>
+            <xs:enumeration value="AUDIO_FORMAT_APE"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_MAIN"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_LC"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_SSR"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_LTP"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_HE_V1"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_SCALABLE"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_ERLC"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_LD"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_HE_V2"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_ELD"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_ADTS_XHE"/>
+            <xs:enumeration value="AUDIO_FORMAT_SBC"/>
+            <xs:enumeration value="AUDIO_FORMAT_APTX"/>
+            <xs:enumeration value="AUDIO_FORMAT_APTX_HD"/>
+            <xs:enumeration value="AUDIO_FORMAT_AC4"/>
+            <xs:enumeration value="AUDIO_FORMAT_LDAC"/>
+            <xs:enumeration value="AUDIO_FORMAT_MAT"/>
+            <xs:enumeration value="AUDIO_FORMAT_MAT_1_0"/>
+            <xs:enumeration value="AUDIO_FORMAT_MAT_2_0"/>
+            <xs:enumeration value="AUDIO_FORMAT_MAT_2_1"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_LATM"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_LATM_LC"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_LATM_HE_V1"/>
+            <xs:enumeration value="AUDIO_FORMAT_AAC_LATM_HE_V2"/>
+            <xs:enumeration value="AUDIO_FORMAT_CELT"/>
+            <xs:enumeration value="AUDIO_FORMAT_APTX_ADAPTIVE"/>
+            <xs:enumeration value="AUDIO_FORMAT_LHDC"/>
+            <xs:enumeration value="AUDIO_FORMAT_LHDC_LL"/>
+            <xs:enumeration value="AUDIO_FORMAT_APTX_TWSP"/>
+            <xs:enumeration value="AUDIO_FORMAT_LC3"/>
+            <xs:enumeration value="AUDIO_FORMAT_MPEGH_BL_L3"/>
+            <xs:enumeration value="AUDIO_FORMAT_MPEGH_BL_L4"/>
+            <xs:enumeration value="AUDIO_FORMAT_MPEGH_LC_L3"/>
+            <xs:enumeration value="AUDIO_FORMAT_MPEGH_LC_L4"/>
+            <xs:enumeration value="AUDIO_FORMAT_IEC60958"/>
+            <xs:enumeration value="AUDIO_FORMAT_DTS_UHD"/>
+            <xs:enumeration value="AUDIO_FORMAT_DRA"/>
+        </xs:restriction>
+    </xs:simpleType>
+    <xs:simpleType name="extendableAudioFormat">
+        <xs:union memberTypes="audioFormat vendorExtension"/>
+    </xs:simpleType>
+    <xs:simpleType name="audioUsage">
+        <xs:annotation>
+            <xs:documentation xml:lang="en">
+                Audio usage specifies the intended use case for the sound being played.
+                Please consult frameworks/base/media/java/android/media/AudioAttributes.java
+                for the description of each value.
+            </xs:documentation>
+        </xs:annotation>
+        <xs:restriction base="xs:string">
+            <xs:enumeration value="AUDIO_USAGE_UNKNOWN" />
+            <xs:enumeration value="AUDIO_USAGE_MEDIA" />
+            <xs:enumeration value="AUDIO_USAGE_VOICE_COMMUNICATION" />
+            <xs:enumeration value="AUDIO_USAGE_VOICE_COMMUNICATION_SIGNALLING" />
+            <xs:enumeration value="AUDIO_USAGE_ALARM" />
+            <xs:enumeration value="AUDIO_USAGE_NOTIFICATION" />
+            <xs:enumeration value="AUDIO_USAGE_NOTIFICATION_TELEPHONY_RINGTONE" />
+            <xs:enumeration value="AUDIO_USAGE_ASSISTANCE_ACCESSIBILITY" />
+            <xs:enumeration value="AUDIO_USAGE_ASSISTANCE_NAVIGATION_GUIDANCE" />
+            <xs:enumeration value="AUDIO_USAGE_ASSISTANCE_SONIFICATION" />
+            <xs:enumeration value="AUDIO_USAGE_GAME" />
+            <xs:enumeration value="AUDIO_USAGE_VIRTUAL_SOURCE" />
+            <xs:enumeration value="AUDIO_USAGE_ASSISTANT" />
+            <xs:enumeration value="AUDIO_USAGE_CALL_ASSISTANT" />
+            <xs:enumeration value="AUDIO_USAGE_EMERGENCY" />
+            <xs:enumeration value="AUDIO_USAGE_SAFETY" />
+            <xs:enumeration value="AUDIO_USAGE_VEHICLE_STATUS" />
+            <xs:enumeration value="AUDIO_USAGE_ANNOUNCEMENT" />
+        </xs:restriction>
+    </xs:simpleType>
+    <xs:simpleType name="audioUsageList">
+        <xs:list itemType="audioUsage"/>
+    </xs:simpleType>
+    <xs:simpleType name="audioContentType">
+        <xs:annotation>
+            <xs:documentation xml:lang="en">
+                Audio content type expresses the general category of the content.
+                Please consult frameworks/base/media/java/android/media/AudioAttributes.java
+                for the description of each value.
+            </xs:documentation>
+        </xs:annotation>
+        <xs:restriction base="xs:string">
+            <xs:enumeration value="AUDIO_CONTENT_TYPE_UNKNOWN"/>
+            <xs:enumeration value="AUDIO_CONTENT_TYPE_SPEECH"/>
+            <xs:enumeration value="AUDIO_CONTENT_TYPE_MUSIC"/>
+            <xs:enumeration value="AUDIO_CONTENT_TYPE_MOVIE"/>
+            <xs:enumeration value="AUDIO_CONTENT_TYPE_SONIFICATION"/>
+        </xs:restriction>
+    </xs:simpleType>
+    <xs:simpleType name="samplingRates">
+        <xs:list itemType="xs:nonNegativeInteger" />
+    </xs:simpleType>
+    <xs:simpleType name="audioChannelMask">
+        <xs:annotation>
+            <xs:documentation xml:lang="en">
+                Audio channel mask specifies presence of particular channels.
+                There are two representations:
+                - representation position (traditional discrete channel specification,
+                  e.g. "left", "right");
+                - indexed (this is similar to "tracks" in audio mixing, channels
+                  are represented using numbers).
+            </xs:documentation>
+        </xs:annotation>
+        <xs:restriction base="xs:string">
+            <xs:enumeration value="AUDIO_CHANNEL_NONE"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_MONO"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_STEREO"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_2POINT1"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_TRI"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_TRI_BACK"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_3POINT1"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_2POINT0POINT2"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_2POINT1POINT2"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_3POINT0POINT2"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_3POINT1POINT2"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_QUAD"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_QUAD_BACK"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_QUAD_SIDE"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_SURROUND"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_PENTA"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_5POINT1"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_5POINT1_BACK"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_5POINT1_SIDE"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_5POINT1POINT2"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_5POINT1POINT4"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_6POINT1"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_7POINT1"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_7POINT1POINT2"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_7POINT1POINT4"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_9POINT1POINT4"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_9POINT1POINT6"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_13POINT_360RA"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_22POINT2"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_MONO_HAPTIC_A"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_STEREO_HAPTIC_A"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_HAPTIC_AB"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_MONO_HAPTIC_AB"/>
+            <xs:enumeration value="AUDIO_CHANNEL_OUT_STEREO_HAPTIC_AB"/>
+            <xs:enumeration value="AUDIO_CHANNEL_IN_MONO"/>
+            <xs:enumeration value="AUDIO_CHANNEL_IN_STEREO"/>
+            <xs:enumeration value="AUDIO_CHANNEL_IN_FRONT_BACK"/>
+            <xs:enumeration value="AUDIO_CHANNEL_IN_6"/>
+            <xs:enumeration value="AUDIO_CHANNEL_IN_2POINT0POINT2"/>
+            <xs:enumeration value="AUDIO_CHANNEL_IN_2POINT1POINT2"/>
+            <xs:enumeration value="AUDIO_CHANNEL_IN_3POINT0POINT2"/>
+            <xs:enumeration value="AUDIO_CHANNEL_IN_3POINT1POINT2"/>
+            <xs:enumeration value="AUDIO_CHANNEL_IN_5POINT1"/>
+            <xs:enumeration value="AUDIO_CHANNEL_IN_VOICE_UPLINK_MONO"/>
+            <xs:enumeration value="AUDIO_CHANNEL_IN_VOICE_DNLINK_MONO"/>
+            <xs:enumeration value="AUDIO_CHANNEL_IN_VOICE_CALL_MONO"/>
+            <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_1"/>
+            <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_2"/>
+            <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_3"/>
+            <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_4"/>
+            <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_5"/>
+            <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_6"/>
+            <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_7"/>
+            <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_8"/>
+            <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_9"/>
+            <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_10"/>
+            <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_11"/>
+            <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_12"/>
+            <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_13"/>
+            <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_14"/>
+            <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_15"/>
+            <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_16"/>
+            <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_17"/>
+            <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_18"/>
+            <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_19"/>
+            <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_20"/>
+            <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_21"/>
+            <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_22"/>
+            <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_23"/>
+            <xs:enumeration value="AUDIO_CHANNEL_INDEX_MASK_24"/>
+        </xs:restriction>
+    </xs:simpleType>
+    <xs:simpleType name="channelMasks">
+        <xs:list itemType="audioChannelMask" />
+    </xs:simpleType>
+    <xs:simpleType name="audioEncapsulationType">
+        <xs:restriction base="xs:string">
+            <xs:enumeration value="AUDIO_ENCAPSULATION_TYPE_NONE"/>
+            <xs:enumeration value="AUDIO_ENCAPSULATION_TYPE_IEC61937"/>
+        </xs:restriction>
+    </xs:simpleType>
+    <xs:complexType name="profile">
+        <xs:attribute name="name" type="xs:token" use="optional"/>
+        <xs:attribute name="format" type="extendableAudioFormat" use="optional"/>
+        <xs:attribute name="samplingRates" type="samplingRates" use="optional"/>
+        <xs:attribute name="channelMasks" type="channelMasks" use="optional"/>
+        <xs:attribute name="encapsulationType" type="audioEncapsulationType" use="optional"/>
+    </xs:complexType>
+    <xs:simpleType name="audioGainMode">
+        <xs:restriction base="xs:string">
+            <xs:enumeration value="AUDIO_GAIN_MODE_JOINT"/>
+            <xs:enumeration value="AUDIO_GAIN_MODE_CHANNELS"/>
+            <xs:enumeration value="AUDIO_GAIN_MODE_RAMP"/>
+        </xs:restriction>
+    </xs:simpleType>
+    <xs:simpleType name="audioGainModeMaskUnrestricted">
+        <xs:list itemType="audioGainMode" />
+    </xs:simpleType>
+    <xs:simpleType name='audioGainModeMask'>
+        <xs:restriction base='audioGainModeMaskUnrestricted'>
+            <xs:minLength value='1' />
+        </xs:restriction>
+    </xs:simpleType>
+    <xs:complexType name="gains">
+        <xs:sequence>
+            <xs:element name="gain" minOccurs="0" maxOccurs="unbounded">
+                <xs:complexType>
+                    <xs:attribute name="name" type="xs:token" use="required"/>
+                    <xs:attribute name="mode" type="audioGainModeMask" use="required"/>
+                    <xs:attribute name="channel_mask" type="audioChannelMask" use="optional"/>
+                    <xs:attribute name="minValueMB" type="xs:int" use="optional"/>
+                    <xs:attribute name="maxValueMB" type="xs:int" use="optional"/>
+                    <xs:attribute name="defaultValueMB" type="xs:int" use="optional"/>
+                    <xs:attribute name="stepValueMB" type="xs:int" use="optional"/>
+                    <xs:attribute name="minRampMs" type="xs:int" use="optional"/>
+                    <xs:attribute name="maxRampMs" type="xs:int" use="optional"/>
+                    <xs:attribute name="useForVolume" type="xs:boolean" use="optional"/>
+                </xs:complexType>
+            </xs:element>
+        </xs:sequence>
+    </xs:complexType>
+    <xs:complexType name="devicePorts">
+        <xs:sequence>
+            <xs:element name="devicePort" minOccurs="0" maxOccurs="unbounded">
+                <xs:complexType>
+                    <xs:sequence>
+                        <xs:element name="profile" type="profile" minOccurs="0" maxOccurs="unbounded"/>
+                        <xs:element name="gains" type="gains" minOccurs="0"/>
+                    </xs:sequence>
+                    <xs:attribute name="tagName" type="xs:token" use="required"/>
+                    <xs:attribute name="type" type="extendableAudioDevice" use="required"/>
+                    <xs:attribute name="role" type="role" use="required"/>
+                    <xs:attribute name="address" type="xs:string" use="optional" default=""/>
+                    <!-- Note that XSD 1.0 can not check that a type only has one default. -->
+                    <xs:attribute name="default" type="xs:boolean" use="optional">
+                        <xs:annotation>
+                            <xs:documentation xml:lang="en">
+                                The default device will be used if multiple have the same type
+                                and no explicit route request exists for a specific device of
+                                that type.
+                            </xs:documentation>
+                        </xs:annotation>
+                    </xs:attribute>
+                    <xs:attribute name="encodedFormats" type="audioFormatsList" use="optional"
+                                  default="" />
+                </xs:complexType>
+                <xs:unique name="devicePortProfileUniqueness">
+                    <xs:selector xpath="profile"/>
+                    <xs:field xpath="format"/>
+                    <xs:field xpath="samplingRate"/>
+                    <xs:field xpath="channelMasks"/>
+                </xs:unique>
+                <xs:unique name="devicePortGainUniqueness">
+                    <xs:selector xpath="gains/gain"/>
+                    <xs:field xpath="@name"/>
+                </xs:unique>
+            </xs:element>
+        </xs:sequence>
+    </xs:complexType>
+    <xs:simpleType name="mixType">
+        <xs:restriction base="xs:string">
+            <xs:enumeration value="mix"/>
+            <xs:enumeration value="mux"/>
+        </xs:restriction>
+    </xs:simpleType>
+    <xs:complexType name="routes">
+        <xs:sequence>
+            <xs:element name="route" minOccurs="0" maxOccurs="unbounded">
+                <xs:annotation>
+                    <xs:documentation xml:lang="en">
+                        List all available sources for a given sink.
+                    </xs:documentation>
+                </xs:annotation>
+                <xs:complexType>
+                    <xs:attribute name="type" type="mixType" use="required"/>
+                    <xs:attribute name="sink" type="xs:string" use="required"/>
+                    <xs:attribute name="sources" type="xs:string" use="required"/>
+                </xs:complexType>
+            </xs:element>
+        </xs:sequence>
+    </xs:complexType>
+    <xs:complexType name="volumes">
+        <xs:sequence>
+            <xs:element name="volume" type="volume" minOccurs="0" maxOccurs="unbounded"/>
+            <xs:element name="reference" type="reference" minOccurs="0" maxOccurs="unbounded">
+            </xs:element>
+        </xs:sequence>
+    </xs:complexType>
+    <!-- TODO: Always require a ref for better xsd validations.
+               Currently a volume could have no points nor ref
+               as it can not be forbidden by xsd 1.0.-->
+    <xs:simpleType name="volumePoint">
+        <xs:annotation>
+            <xs:documentation xml:lang="en">
+                Comma separated pair of number.
+                The fist one is the framework level (between 0 and 100).
+                The second one is the volume to send to the HAL.
+                The framework will interpolate volumes not specified.
+                Their MUST be at least 2 points specified.
+            </xs:documentation>
+        </xs:annotation>
+        <xs:restriction base="xs:string">
+            <xs:pattern value="([0-9]{1,2}|100),-?[0-9]+"/>
+        </xs:restriction>
+    </xs:simpleType>
+    <xs:simpleType name="audioStreamType">
+        <xs:annotation>
+            <xs:documentation xml:lang="en">
+                Audio stream type describing the intended use case of a stream.
+                Please consult frameworks/base/media/java/android/media/AudioSystem.java
+                for the description of each value.
+            </xs:documentation>
+        </xs:annotation>
+        <xs:restriction base="xs:string">
+            <xs:enumeration value="AUDIO_STREAM_VOICE_CALL"/>
+            <xs:enumeration value="AUDIO_STREAM_SYSTEM"/>
+            <xs:enumeration value="AUDIO_STREAM_RING"/>
+            <xs:enumeration value="AUDIO_STREAM_MUSIC"/>
+            <xs:enumeration value="AUDIO_STREAM_ALARM"/>
+            <xs:enumeration value="AUDIO_STREAM_NOTIFICATION"/>
+            <xs:enumeration value="AUDIO_STREAM_BLUETOOTH_SCO"/>
+            <xs:enumeration value="AUDIO_STREAM_ENFORCED_AUDIBLE"/>
+            <xs:enumeration value="AUDIO_STREAM_DTMF"/>
+            <xs:enumeration value="AUDIO_STREAM_TTS"/>
+            <xs:enumeration value="AUDIO_STREAM_ACCESSIBILITY"/>
+            <xs:enumeration value="AUDIO_STREAM_ASSISTANT"/>
+            <xs:enumeration value="AUDIO_STREAM_REROUTING"/>
+            <xs:enumeration value="AUDIO_STREAM_PATCH"/>
+            <xs:enumeration value="AUDIO_STREAM_CALL_ASSISTANT"/>
+        </xs:restriction>
+    </xs:simpleType>
+    <xs:simpleType name="audioSource">
+        <xs:annotation>
+            <xs:documentation xml:lang="en">
+                An audio source defines the intended use case for the sound being recorded.
+                Please consult frameworks/base/media/java/android/media/MediaRecorder.java
+                for the description of each value.
+            </xs:documentation>
+        </xs:annotation>
+        <xs:restriction base="xs:string">
+            <xs:enumeration value="AUDIO_SOURCE_DEFAULT"/>
+            <xs:enumeration value="AUDIO_SOURCE_MIC"/>
+            <xs:enumeration value="AUDIO_SOURCE_VOICE_UPLINK"/>
+            <xs:enumeration value="AUDIO_SOURCE_VOICE_DOWNLINK"/>
+            <xs:enumeration value="AUDIO_SOURCE_VOICE_CALL"/>
+            <xs:enumeration value="AUDIO_SOURCE_CAMCORDER"/>
+            <xs:enumeration value="AUDIO_SOURCE_VOICE_RECOGNITION"/>
+            <xs:enumeration value="AUDIO_SOURCE_VOICE_COMMUNICATION"/>
+            <xs:enumeration value="AUDIO_SOURCE_REMOTE_SUBMIX"/>
+            <xs:enumeration value="AUDIO_SOURCE_UNPROCESSED"/>
+            <xs:enumeration value="AUDIO_SOURCE_VOICE_PERFORMANCE"/>
+            <xs:enumeration value="AUDIO_SOURCE_ECHO_REFERENCE"/>
+            <xs:enumeration value="AUDIO_SOURCE_FM_TUNER"/>
+            <xs:enumeration value="AUDIO_SOURCE_HOTWORD"/>
+        </xs:restriction>
+    </xs:simpleType>
+    <!-- Enum values of device_category from Volume.h. -->
+    <xs:simpleType name="deviceCategory">
+        <xs:restriction base="xs:string">
+            <xs:enumeration value="DEVICE_CATEGORY_HEADSET"/>
+            <xs:enumeration value="DEVICE_CATEGORY_SPEAKER"/>
+            <xs:enumeration value="DEVICE_CATEGORY_EARPIECE"/>
+            <xs:enumeration value="DEVICE_CATEGORY_EXT_MEDIA"/>
+            <xs:enumeration value="DEVICE_CATEGORY_HEARING_AID"/>
+        </xs:restriction>
+    </xs:simpleType>
+    <xs:complexType name="volume">
+        <xs:annotation>
+            <xs:documentation xml:lang="en">
+                Volume section defines a volume curve for a given use case and device category.
+                It contains a list of points of this curve expressing the attenuation in Millibels
+                for a given volume index from 0 to 100.
+                <volume stream="AUDIO_STREAM_MUSIC" deviceCategory="DEVICE_CATEGORY_SPEAKER">
+                    <point>0,-9600</point>
+                    <point>100,0</point>
+                </volume>
+
+                It may also reference a reference/@name to avoid duplicating curves.
+                <volume stream="AUDIO_STREAM_MUSIC" deviceCategory="DEVICE_CATEGORY_SPEAKER"
+                        ref="DEFAULT_MEDIA_VOLUME_CURVE"/>
+                <reference name="DEFAULT_MEDIA_VOLUME_CURVE">
+                    <point>0,-9600</point>
+                    <point>100,0</point>
+                </reference>
+            </xs:documentation>
+        </xs:annotation>
+        <xs:sequence>
+            <xs:element name="point" type="volumePoint" minOccurs="0" maxOccurs="unbounded"/>
+        </xs:sequence>
+        <xs:attribute name="stream" type="audioStreamType"/>
+        <xs:attribute name="deviceCategory" type="deviceCategory"/>
+        <xs:attribute name="ref" type="xs:token" use="optional"/>
+    </xs:complexType>
+    <xs:complexType name="reference">
+        <xs:sequence>
+            <xs:element name="point" type="volumePoint" minOccurs="2" maxOccurs="unbounded"/>
+        </xs:sequence>
+        <xs:attribute name="name" type="xs:token" use="required"/>
+    </xs:complexType>
+    <xs:complexType name="surroundSound">
+        <xs:annotation>
+            <xs:documentation xml:lang="en">
+                Surround Sound section provides configuration related to handling of
+                multi-channel formats.
+            </xs:documentation>
+        </xs:annotation>
+        <xs:sequence>
+            <xs:element name="formats" type="surroundFormats"/>
+        </xs:sequence>
+    </xs:complexType>
+    <xs:simpleType name="audioFormatsList">
+        <xs:list itemType="extendableAudioFormat" />
+    </xs:simpleType>
+    <xs:complexType name="surroundFormats">
+        <xs:sequence>
+            <xs:element name="format" minOccurs="0" maxOccurs="unbounded">
+                <xs:complexType>
+                    <xs:attribute name="name" type="extendableAudioFormat" use="required"/>
+                    <xs:attribute name="subformats" type="audioFormatsList" />
+                </xs:complexType>
+            </xs:element>
+        </xs:sequence>
+    </xs:complexType>
+    <xs:simpleType name="engineSuffix">
+        <xs:restriction base="xs:string">
+            <xs:enumeration value="default"/>
+            <xs:enumeration value="configurable"/>
+        </xs:restriction>
+    </xs:simpleType>
+</xs:schema>
diff --git a/audio/7.1/types.hal b/audio/7.1/types.hal
new file mode 100644
index 0000000..9d8ee4d
--- /dev/null
+++ b/audio/7.1/types.hal
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2022 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.audio@7.1;
+
+/**
+ * Latency modes used for the variable latency feature on output streams.
+ * Used by setLatencyMode() and getRecommendedLatencyModes() methods.
+ */
+
+@export(name="audio_latency_mode_t", value_prefix="AUDIO_LATENCY_MODE_")
+enum LatencyMode : int32_t {
+    /** No specific constraint on the latency */
+    FREE = 0,
+    /** A relatively low latency compatible with head tracking operation (e.g less than 100ms) */
+    LOW = 1,
+};
diff --git a/audio/aidl/Android.bp b/audio/aidl/Android.bp
index c172674..6a0cfa5 100644
--- a/audio/aidl/Android.bp
+++ b/audio/aidl/Android.bp
@@ -47,6 +47,11 @@
             vndk: {
                 enabled: true,
             },
+            apex_available: [
+                "//apex_available:platform",
+                "com.android.bluetooth",
+            ],
+            min_sdk_version: "31",
         },
     },
     versions: [
diff --git a/audio/common/7.1/Android.bp b/audio/common/7.1/Android.bp
new file mode 100644
index 0000000..a257510
--- /dev/null
+++ b/audio/common/7.1/Android.bp
@@ -0,0 +1,23 @@
+package {
+    // See: http://go/android-license-faq
+    // A large-scale-change added 'default_applicable_licenses' to import
+    // all of the 'license_kinds' from "hardware_interfaces_license"
+    // to get the below license kinds:
+    //   SPDX-license-identifier-Apache-2.0
+    default_applicable_licenses: ["hardware_interfaces_license"],
+}
+
+cc_library {
+    name: "android.hardware.audio.common@7.1-enums",
+    vendor_available: true,
+    generated_headers: ["audio_policy_configuration_V7_1_enums"],
+    generated_sources: ["audio_policy_configuration_V7_1_enums"],
+    header_libs: ["libxsdc-utils"],
+    export_generated_headers: ["audio_policy_configuration_V7_1_enums"],
+    export_header_lib_headers: ["libxsdc-utils"],
+    export_include_dirs: ["enums/include"],
+    shared_libs: [
+        "libbase",
+        "liblog",
+    ],
+}
diff --git a/audio/common/7.1/enums/OWNERS b/audio/common/7.1/enums/OWNERS
new file mode 100644
index 0000000..24071af
--- /dev/null
+++ b/audio/common/7.1/enums/OWNERS
@@ -0,0 +1,2 @@
+elaurent@google.com
+mnaganov@google.com
diff --git a/audio/common/7.1/enums/include/android_audio_policy_configuration_V7_1-enums.h b/audio/common/7.1/enums/include/android_audio_policy_configuration_V7_1-enums.h
new file mode 100644
index 0000000..6f6a0ca
--- /dev/null
+++ b/audio/common/7.1/enums/include/android_audio_policy_configuration_V7_1-enums.h
@@ -0,0 +1,303 @@
+/*
+ * Copyright (C) 2022 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_AUDIO_POLICY_CONFIGURATION_V7_1__ENUMS_H
+#define ANDROID_AUDIO_POLICY_CONFIGURATION_V7_1__ENUMS_H
+
+#include <sys/types.h>
+#include <regex>
+#include <string>
+
+#include <android_audio_policy_configuration_V7_1_enums.h>
+
+namespace android::audio::policy::configuration::V7_1 {
+
+static inline size_t getChannelCount(AudioChannelMask mask) {
+    switch (mask) {
+        case AudioChannelMask::AUDIO_CHANNEL_NONE:
+            return 0;
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_MONO:
+        case AudioChannelMask::AUDIO_CHANNEL_IN_MONO:
+        case AudioChannelMask::AUDIO_CHANNEL_INDEX_MASK_1:
+            return 1;
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_STEREO:
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_MONO_HAPTIC_A:
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_HAPTIC_AB:
+        case AudioChannelMask::AUDIO_CHANNEL_IN_STEREO:
+        case AudioChannelMask::AUDIO_CHANNEL_IN_FRONT_BACK:
+        case AudioChannelMask::AUDIO_CHANNEL_IN_VOICE_UPLINK_MONO:
+        case AudioChannelMask::AUDIO_CHANNEL_IN_VOICE_DNLINK_MONO:
+        case AudioChannelMask::AUDIO_CHANNEL_IN_VOICE_CALL_MONO:
+        case AudioChannelMask::AUDIO_CHANNEL_INDEX_MASK_2:
+            return 2;
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_2POINT1:
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_STEREO_HAPTIC_A:
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_MONO_HAPTIC_AB:
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_TRI:
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_TRI_BACK:
+        case AudioChannelMask::AUDIO_CHANNEL_INDEX_MASK_3:
+            return 3;
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_2POINT0POINT2:
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_3POINT1:
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_QUAD:
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_QUAD_BACK:
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_QUAD_SIDE:
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_SURROUND:
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_STEREO_HAPTIC_AB:
+        case AudioChannelMask::AUDIO_CHANNEL_IN_2POINT0POINT2:
+        case AudioChannelMask::AUDIO_CHANNEL_INDEX_MASK_4:
+            return 4;
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_2POINT1POINT2:
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_3POINT0POINT2:
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_PENTA:
+        case AudioChannelMask::AUDIO_CHANNEL_IN_2POINT1POINT2:
+        case AudioChannelMask::AUDIO_CHANNEL_IN_3POINT0POINT2:
+        case AudioChannelMask::AUDIO_CHANNEL_INDEX_MASK_5:
+            return 5;
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_3POINT1POINT2:
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_5POINT1:
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_5POINT1_BACK:
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_5POINT1_SIDE:
+        case AudioChannelMask::AUDIO_CHANNEL_IN_6:
+        case AudioChannelMask::AUDIO_CHANNEL_IN_3POINT1POINT2:
+        case AudioChannelMask::AUDIO_CHANNEL_IN_5POINT1:
+        case AudioChannelMask::AUDIO_CHANNEL_INDEX_MASK_6:
+            return 6;
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_6POINT1:
+        case AudioChannelMask::AUDIO_CHANNEL_INDEX_MASK_7:
+            return 7;
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_5POINT1POINT2:
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_7POINT1:
+        case AudioChannelMask::AUDIO_CHANNEL_INDEX_MASK_8:
+            return 8;
+        case AudioChannelMask::AUDIO_CHANNEL_INDEX_MASK_9:
+            return 9;
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_5POINT1POINT4:
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_7POINT1POINT2:
+        case AudioChannelMask::AUDIO_CHANNEL_INDEX_MASK_10:
+            return 10;
+        case AudioChannelMask::AUDIO_CHANNEL_INDEX_MASK_11:
+            return 11;
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_7POINT1POINT4:
+        case AudioChannelMask::AUDIO_CHANNEL_INDEX_MASK_12:
+            return 12;
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_13POINT_360RA:
+        case AudioChannelMask::AUDIO_CHANNEL_INDEX_MASK_13:
+            return 13;
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_9POINT1POINT4:
+        case AudioChannelMask::AUDIO_CHANNEL_INDEX_MASK_14:
+            return 14;
+        case AudioChannelMask::AUDIO_CHANNEL_INDEX_MASK_15:
+            return 15;
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_9POINT1POINT6:
+        case AudioChannelMask::AUDIO_CHANNEL_INDEX_MASK_16:
+            return 16;
+        case AudioChannelMask::AUDIO_CHANNEL_INDEX_MASK_17:
+            return 17;
+        case AudioChannelMask::AUDIO_CHANNEL_INDEX_MASK_18:
+            return 18;
+        case AudioChannelMask::AUDIO_CHANNEL_INDEX_MASK_19:
+            return 19;
+        case AudioChannelMask::AUDIO_CHANNEL_INDEX_MASK_20:
+            return 20;
+        case AudioChannelMask::AUDIO_CHANNEL_INDEX_MASK_21:
+            return 21;
+        case AudioChannelMask::AUDIO_CHANNEL_INDEX_MASK_22:
+            return 22;
+        case AudioChannelMask::AUDIO_CHANNEL_INDEX_MASK_23:
+            return 23;
+        case AudioChannelMask::AUDIO_CHANNEL_OUT_22POINT2:
+        case AudioChannelMask::AUDIO_CHANNEL_INDEX_MASK_24:
+            return 24;
+        case AudioChannelMask::UNKNOWN:
+            return 0;
+            // No default to make sure all cases are covered.
+    }
+    // This is to avoid undefined behavior if 'mask' isn't a valid enum value.
+    return 0;
+}
+
+static inline ssize_t getChannelCount(const std::string& mask) {
+    return getChannelCount(stringToAudioChannelMask(mask));
+}
+
+static inline bool isOutputDevice(AudioDevice device) {
+    switch (device) {
+        case AudioDevice::UNKNOWN:
+        case AudioDevice::AUDIO_DEVICE_NONE:
+            return false;
+        case AudioDevice::AUDIO_DEVICE_OUT_EARPIECE:
+        case AudioDevice::AUDIO_DEVICE_OUT_SPEAKER:
+        case AudioDevice::AUDIO_DEVICE_OUT_WIRED_HEADSET:
+        case AudioDevice::AUDIO_DEVICE_OUT_WIRED_HEADPHONE:
+        case AudioDevice::AUDIO_DEVICE_OUT_BLUETOOTH_SCO:
+        case AudioDevice::AUDIO_DEVICE_OUT_BLUETOOTH_SCO_HEADSET:
+        case AudioDevice::AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT:
+        case AudioDevice::AUDIO_DEVICE_OUT_BLUETOOTH_A2DP:
+        case AudioDevice::AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES:
+        case AudioDevice::AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER:
+        case AudioDevice::AUDIO_DEVICE_OUT_AUX_DIGITAL:
+        case AudioDevice::AUDIO_DEVICE_OUT_HDMI:
+        case AudioDevice::AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET:
+        case AudioDevice::AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET:
+        case AudioDevice::AUDIO_DEVICE_OUT_USB_ACCESSORY:
+        case AudioDevice::AUDIO_DEVICE_OUT_USB_DEVICE:
+        case AudioDevice::AUDIO_DEVICE_OUT_REMOTE_SUBMIX:
+        case AudioDevice::AUDIO_DEVICE_OUT_TELEPHONY_TX:
+        case AudioDevice::AUDIO_DEVICE_OUT_LINE:
+        case AudioDevice::AUDIO_DEVICE_OUT_HDMI_ARC:
+        case AudioDevice::AUDIO_DEVICE_OUT_HDMI_EARC:
+        case AudioDevice::AUDIO_DEVICE_OUT_SPDIF:
+        case AudioDevice::AUDIO_DEVICE_OUT_FM:
+        case AudioDevice::AUDIO_DEVICE_OUT_AUX_LINE:
+        case AudioDevice::AUDIO_DEVICE_OUT_SPEAKER_SAFE:
+        case AudioDevice::AUDIO_DEVICE_OUT_IP:
+        case AudioDevice::AUDIO_DEVICE_OUT_BUS:
+        case AudioDevice::AUDIO_DEVICE_OUT_PROXY:
+        case AudioDevice::AUDIO_DEVICE_OUT_USB_HEADSET:
+        case AudioDevice::AUDIO_DEVICE_OUT_HEARING_AID:
+        case AudioDevice::AUDIO_DEVICE_OUT_ECHO_CANCELLER:
+        case AudioDevice::AUDIO_DEVICE_OUT_BLE_HEADSET:
+        case AudioDevice::AUDIO_DEVICE_OUT_BLE_SPEAKER:
+        case AudioDevice::AUDIO_DEVICE_OUT_BLE_BROADCAST:
+        case AudioDevice::AUDIO_DEVICE_OUT_DEFAULT:
+        case AudioDevice::AUDIO_DEVICE_OUT_STUB:
+            return true;
+        case AudioDevice::AUDIO_DEVICE_IN_COMMUNICATION:
+        case AudioDevice::AUDIO_DEVICE_IN_AMBIENT:
+        case AudioDevice::AUDIO_DEVICE_IN_BUILTIN_MIC:
+        case AudioDevice::AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET:
+        case AudioDevice::AUDIO_DEVICE_IN_WIRED_HEADSET:
+        case AudioDevice::AUDIO_DEVICE_IN_AUX_DIGITAL:
+        case AudioDevice::AUDIO_DEVICE_IN_HDMI:
+        case AudioDevice::AUDIO_DEVICE_IN_VOICE_CALL:
+        case AudioDevice::AUDIO_DEVICE_IN_TELEPHONY_RX:
+        case AudioDevice::AUDIO_DEVICE_IN_BACK_MIC:
+        case AudioDevice::AUDIO_DEVICE_IN_REMOTE_SUBMIX:
+        case AudioDevice::AUDIO_DEVICE_IN_ANLG_DOCK_HEADSET:
+        case AudioDevice::AUDIO_DEVICE_IN_DGTL_DOCK_HEADSET:
+        case AudioDevice::AUDIO_DEVICE_IN_USB_ACCESSORY:
+        case AudioDevice::AUDIO_DEVICE_IN_USB_DEVICE:
+        case AudioDevice::AUDIO_DEVICE_IN_FM_TUNER:
+        case AudioDevice::AUDIO_DEVICE_IN_TV_TUNER:
+        case AudioDevice::AUDIO_DEVICE_IN_LINE:
+        case AudioDevice::AUDIO_DEVICE_IN_SPDIF:
+        case AudioDevice::AUDIO_DEVICE_IN_BLUETOOTH_A2DP:
+        case AudioDevice::AUDIO_DEVICE_IN_LOOPBACK:
+        case AudioDevice::AUDIO_DEVICE_IN_IP:
+        case AudioDevice::AUDIO_DEVICE_IN_BUS:
+        case AudioDevice::AUDIO_DEVICE_IN_PROXY:
+        case AudioDevice::AUDIO_DEVICE_IN_USB_HEADSET:
+        case AudioDevice::AUDIO_DEVICE_IN_BLUETOOTH_BLE:
+        case AudioDevice::AUDIO_DEVICE_IN_HDMI_ARC:
+        case AudioDevice::AUDIO_DEVICE_IN_HDMI_EARC:
+        case AudioDevice::AUDIO_DEVICE_IN_ECHO_REFERENCE:
+        case AudioDevice::AUDIO_DEVICE_IN_BLE_HEADSET:
+        case AudioDevice::AUDIO_DEVICE_IN_DEFAULT:
+        case AudioDevice::AUDIO_DEVICE_IN_STUB:
+            return false;
+            // No default to make sure all cases are covered.
+    }
+    // This is to avoid undefined behavior if 'device' isn't a valid enum value.
+    return false;
+}
+
+static inline bool isOutputDevice(const std::string& device) {
+    return isOutputDevice(stringToAudioDevice(device));
+}
+
+static inline bool isTelephonyDevice(AudioDevice device) {
+    return device == AudioDevice::AUDIO_DEVICE_OUT_TELEPHONY_TX ||
+           device == AudioDevice::AUDIO_DEVICE_IN_TELEPHONY_RX;
+}
+
+static inline bool isTelephonyDevice(const std::string& device) {
+    return isTelephonyDevice(stringToAudioDevice(device));
+}
+
+static inline bool maybeVendorExtension(const std::string& s) {
+    // Only checks whether the string starts with the "vendor prefix".
+    static const std::string vendorPrefix = "VX_";
+    return s.size() > vendorPrefix.size() && s.substr(0, vendorPrefix.size()) == vendorPrefix;
+}
+
+static inline bool isVendorExtension(const std::string& s) {
+    // Must be the same as the "vendorExtension" rule from the XSD file.
+    static const std::regex vendorExtension("VX_[A-Z0-9]{3,}_[_A-Z0-9]+");
+    return std::regex_match(s.begin(), s.end(), vendorExtension);
+}
+
+static inline bool isUnknownAudioChannelMask(const std::string& mask) {
+    return stringToAudioChannelMask(mask) == AudioChannelMask::UNKNOWN;
+}
+
+static inline bool isUnknownAudioContentType(const std::string& contentType) {
+    return stringToAudioContentType(contentType) == AudioContentType::UNKNOWN;
+}
+
+static inline bool isUnknownAudioDevice(const std::string& device) {
+    return stringToAudioDevice(device) == AudioDevice::UNKNOWN && !isVendorExtension(device);
+}
+
+static inline bool isUnknownAudioFormat(const std::string& format) {
+    return stringToAudioFormat(format) == AudioFormat::UNKNOWN && !isVendorExtension(format);
+}
+
+static inline bool isUnknownAudioGainMode(const std::string& mode) {
+    return stringToAudioGainMode(mode) == AudioGainMode::UNKNOWN;
+}
+
+static inline bool isUnknownAudioInOutFlag(const std::string& flag) {
+    return stringToAudioInOutFlag(flag) == AudioInOutFlag::UNKNOWN;
+}
+
+static inline bool isUnknownAudioSource(const std::string& source) {
+    return stringToAudioSource(source) == AudioSource::UNKNOWN;
+}
+
+static inline bool isUnknownAudioStreamType(const std::string& streamType) {
+    return stringToAudioStreamType(streamType) == AudioStreamType::UNKNOWN;
+}
+
+static inline bool isUnknownAudioUsage(const std::string& usage) {
+    return stringToAudioUsage(usage) == AudioUsage::UNKNOWN;
+}
+
+static inline bool isLinearPcm(AudioFormat format) {
+    switch (format) {
+        case AudioFormat::AUDIO_FORMAT_PCM_16_BIT:
+        case AudioFormat::AUDIO_FORMAT_PCM_8_BIT:
+        case AudioFormat::AUDIO_FORMAT_PCM_32_BIT:
+        case AudioFormat::AUDIO_FORMAT_PCM_8_24_BIT:
+        case AudioFormat::AUDIO_FORMAT_PCM_FLOAT:
+        case AudioFormat::AUDIO_FORMAT_PCM_24_BIT_PACKED:
+            return true;
+        default:
+            return false;
+    }
+}
+
+static inline bool isLinearPcm(const std::string& format) {
+    return isLinearPcm(stringToAudioFormat(format));
+}
+
+static inline bool isUnknownAudioEncapsulationType(const std::string& encapsulationType) {
+    return stringToAudioEncapsulationType(encapsulationType) == AudioEncapsulationType::UNKNOWN;
+}
+
+}  // namespace android::audio::policy::configuration::V7_1
+
+#endif  // ANDROID_AUDIO_POLICY_CONFIGURATION_V7_1__ENUMS_H
diff --git a/audio/common/all-versions/default/7.0/HidlUtils.cpp b/audio/common/all-versions/default/7.0/HidlUtils.cpp
index 5a5b5d2..218d7c0 100644
--- a/audio/common/all-versions/default/7.0/HidlUtils.cpp
+++ b/audio/common/all-versions/default/7.0/HidlUtils.cpp
@@ -21,7 +21,7 @@
 #define LOG_TAG "HidlUtils"
 #include <log/log.h>
 
-#include <android_audio_policy_configuration_V7_0-enums.h>
+#include PATH(APM_XSD_ENUMS_H_FILENAME)
 #include <common/all-versions/HidlSupport.h>
 #include <common/all-versions/VersionUtils.h>
 
@@ -31,11 +31,11 @@
 namespace hardware {
 namespace audio {
 namespace common {
-namespace CPP_VERSION {
+namespace COMMON_TYPES_CPP_VERSION {
 namespace implementation {
 
 namespace xsd {
-using namespace ::android::audio::policy::configuration::V7_0;
+using namespace ::android::audio::policy::configuration::CPP_VERSION;
 }
 
 #define CONVERT_CHECKED(expr, result)                   \
@@ -1151,7 +1151,7 @@
 }
 
 }  // namespace implementation
-}  // namespace CPP_VERSION
+}  // namespace COMMON_TYPES_CPP_VERSION
 }  // namespace common
 }  // namespace audio
 }  // namespace hardware
diff --git a/audio/common/all-versions/default/HidlUtils.h b/audio/common/all-versions/default/HidlUtils.h
index 98ecc07..ad9dee2 100644
--- a/audio/common/all-versions/default/HidlUtils.h
+++ b/audio/common/all-versions/default/HidlUtils.h
@@ -17,7 +17,9 @@
 #ifndef android_hardware_audio_Hidl_Utils_H_
 #define android_hardware_audio_Hidl_Utils_H_
 
-#include PATH(android/hardware/audio/common/FILE_VERSION/types.h)
+// clang-format off
+#include PATH(android/hardware/audio/common/COMMON_TYPES_FILE_VERSION/types.h)
+// clang-format on
 
 #include <memory>
 #include <string>
@@ -29,11 +31,11 @@
 namespace hardware {
 namespace audio {
 namespace common {
-namespace CPP_VERSION {
+namespace COMMON_TYPES_CPP_VERSION {
 namespace implementation {
 
 using ::android::hardware::hidl_vec;
-using namespace ::android::hardware::audio::common::CPP_VERSION;
+using namespace ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION;
 
 struct HidlUtils {
     static status_t audioConfigFromHal(const audio_config_t& halConfig, bool isInput,
@@ -267,7 +269,7 @@
 #endif  // MAJOR_VERSION <= 6
 
 }  // namespace implementation
-}  // namespace CPP_VERSION
+}  // namespace COMMON_TYPES_CPP_VERSION
 }  // namespace common
 }  // namespace audio
 }  // namespace hardware
diff --git a/audio/common/all-versions/default/UuidUtils.h b/audio/common/all-versions/default/UuidUtils.h
index cd04fb0..4a64f0a 100644
--- a/audio/common/all-versions/default/UuidUtils.h
+++ b/audio/common/all-versions/default/UuidUtils.h
@@ -20,7 +20,7 @@
 #include <string>
 
 // clang-format off
-#include PATH(android/hardware/audio/common/FILE_VERSION/types.h)
+#include PATH(android/hardware/audio/common/COMMON_TYPES_FILE_VERSION/types.h)
 // clang-format on
 
 #include <system/audio.h>
@@ -32,7 +32,7 @@
 namespace CPP_VERSION {
 namespace implementation {
 
-using namespace ::android::hardware::audio::common::CPP_VERSION;
+using namespace ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION;
 
 class UuidUtils {
   public:
diff --git a/audio/common/all-versions/default/VersionUtils.h b/audio/common/all-versions/default/VersionUtils.h
index 9bfca0c..9771374 100644
--- a/audio/common/all-versions/default/VersionUtils.h
+++ b/audio/common/all-versions/default/VersionUtils.h
@@ -17,7 +17,30 @@
 #ifndef ANDROID_HARDWARE_AUDIO_EFFECT_VERSION_UTILS_H
 #define ANDROID_HARDWARE_AUDIO_EFFECT_VERSION_UTILS_H
 
-#include PATH(android/hardware/audio/common/FILE_VERSION/types.h)
+// A workaround for b/216149583 (vendor code having its own copy of VersionMacro.h)
+#ifndef COMMON_TYPES_MINOR_VERSION
+#define COMMON_TYPES_MINOR_VERSION MINOR_VERSION
+#endif
+#ifndef CORE_TYPES_MINOR_VERSION
+#define CORE_TYPES_MINOR_VERSION MINOR_VERSION
+#endif
+#ifndef COMMON_TYPES_FILE_VERSION
+#define COMMON_TYPES_FILE_VERSION EXPAND_CONCAT_3(MAJOR_VERSION, ., COMMON_TYPES_MINOR_VERSION)
+#endif
+#ifndef CORE_TYPES_FILE_VERSION
+#define CORE_TYPES_FILE_VERSION EXPAND_CONCAT_3(MAJOR_VERSION, ., CORE_TYPES_MINOR_VERSION)
+#endif
+#ifndef COMMON_TYPES_CPP_VERSION
+#define COMMON_TYPES_CPP_VERSION EXPAND_CONCAT_4(V, MAJOR_VERSION, _, COMMON_TYPES_MINOR_VERSION)
+#endif
+#ifndef CORE_TYPES_CPP_VERSION
+#define CORE_TYPES_CPP_VERSION EXPAND_CONCAT_4(V, MAJOR_VERSION, _, CORE_TYPES_MINOR_VERSION)
+#endif
+// End of workaround
+
+// clang-format off
+#include PATH(android/hardware/audio/common/COMMON_TYPES_FILE_VERSION/types.h)
+// clang-format on
 
 namespace android {
 namespace hardware {
diff --git a/audio/common/all-versions/default/service/service.cpp b/audio/common/all-versions/default/service/service.cpp
index 89585b0..e26369f 100644
--- a/audio/common/all-versions/default/service/service.cpp
+++ b/audio/common/all-versions/default/service/service.cpp
@@ -66,6 +66,7 @@
     const std::vector<InterfacesList> mandatoryInterfaces = {
         {
             "Audio Core API",
+            "android.hardware.audio@7.1::IDevicesFactory",
             "android.hardware.audio@7.0::IDevicesFactory",
             "android.hardware.audio@6.0::IDevicesFactory",
             "android.hardware.audio@5.0::IDevicesFactory",
diff --git a/audio/common/all-versions/default/tests/hidlutils6_tests.cpp b/audio/common/all-versions/default/tests/hidlutils6_tests.cpp
index 3a24e75..ca59b9d 100644
--- a/audio/common/all-versions/default/tests/hidlutils6_tests.cpp
+++ b/audio/common/all-versions/default/tests/hidlutils6_tests.cpp
@@ -23,14 +23,14 @@
 #include <system/audio.h>
 
 using namespace android;
-using namespace ::android::hardware::audio::common::CPP_VERSION;
-using ::android::hardware::audio::common::CPP_VERSION::implementation::HidlUtils;
+using namespace ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION;
+using ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION::implementation::HidlUtils;
 
 // Not generated automatically because DeviceAddress contains
 // an union.
 //
 // operator== must be defined in the same namespace as the data type.
-namespace android::hardware::audio::common::CPP_VERSION {
+namespace android::hardware::audio::common::COMMON_TYPES_CPP_VERSION {
 
 inline bool operator==(const DeviceAddress& lhs, const DeviceAddress& rhs) {
     if (lhs.device != rhs.device) return false;
@@ -49,7 +49,7 @@
     return lhs.busAddress == rhs.busAddress;
 }
 
-}  // namespace android::hardware::audio::common::CPP_VERSION
+}  // namespace android::hardware::audio::common::COMMON_TYPES_CPP_VERSION
 
 static void ConvertDeviceAddress(const DeviceAddress& device) {
     audio_devices_t halDeviceType;
diff --git a/audio/common/all-versions/default/tests/hidlutils_tests.cpp b/audio/common/all-versions/default/tests/hidlutils_tests.cpp
index c9e6fac..2749cce 100644
--- a/audio/common/all-versions/default/tests/hidlutils_tests.cpp
+++ b/audio/common/all-versions/default/tests/hidlutils_tests.cpp
@@ -29,8 +29,8 @@
 
 using namespace android;
 using ::android::hardware::hidl_vec;
-using namespace ::android::hardware::audio::common::CPP_VERSION;
-using ::android::hardware::audio::common::CPP_VERSION::implementation::HidlUtils;
+using namespace ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION;
+using ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION::implementation::HidlUtils;
 namespace xsd {
 using namespace ::android::audio::policy::configuration::V7_0;
 }
diff --git a/audio/common/all-versions/util/include/common/all-versions/VersionMacro.h b/audio/common/all-versions/util/include/common/all-versions/VersionMacro.h
index dc54cee..875e167 100644
--- a/audio/common/all-versions/util/include/common/all-versions/VersionMacro.h
+++ b/audio/common/all-versions/util/include/common/all-versions/VersionMacro.h
@@ -21,6 +21,14 @@
 #error "MAJOR_VERSION and MINOR_VERSION must be defined"
 #endif
 
+#ifndef COMMON_TYPES_MINOR_VERSION
+#define COMMON_TYPES_MINOR_VERSION MINOR_VERSION
+#endif
+
+#ifndef CORE_TYPES_MINOR_VERSION
+#define CORE_TYPES_MINOR_VERSION MINOR_VERSION
+#endif
+
 /** Allows macro expansion for x and add surrounding `<>`.
  * Is intended to be used for version dependant includes as
  * `#include` do not macro expand if starting with < or "
@@ -34,10 +42,30 @@
 #define EXPAND_CONCAT_3(a, b, c) CONCAT_3(a, b, c)
 /** The directory name of the version: <major>.<minor> */
 #define FILE_VERSION EXPAND_CONCAT_3(MAJOR_VERSION, ., MINOR_VERSION)
+#define COMMON_TYPES_FILE_VERSION EXPAND_CONCAT_3(MAJOR_VERSION, ., COMMON_TYPES_MINOR_VERSION)
+#define CORE_TYPES_FILE_VERSION EXPAND_CONCAT_3(MAJOR_VERSION, ., CORE_TYPES_MINOR_VERSION)
 
 #define CONCAT_4(a, b, c, d) a##b##c##d
 #define EXPAND_CONCAT_4(a, b, c, d) CONCAT_4(a, b, c, d)
 /** The c++ namespace of the version: V<major>_<minor> */
 #define CPP_VERSION EXPAND_CONCAT_4(V, MAJOR_VERSION, _, MINOR_VERSION)
+#define COMMON_TYPES_CPP_VERSION EXPAND_CONCAT_4(V, MAJOR_VERSION, _, COMMON_TYPES_MINOR_VERSION)
+#define CORE_TYPES_CPP_VERSION EXPAND_CONCAT_4(V, MAJOR_VERSION, _, CORE_TYPES_MINOR_VERSION)
+
+/* Gluing these file names from macros is non-trivial due to "illegal tokens"
+   occurring during expansion. The XSD and enums always use the minor version. */
+// clang-format off
+#if MAJOR_VERSION >= 7
+#if MINOR_VERSION == 0
+#define APM_XSD_H_FILENAME android_audio_policy_configuration_V7_0.h
+#define APM_XSD_ENUMS_H_FILENAME android_audio_policy_configuration_V7_0-enums.h
+#elif MINOR_VERSION == 1
+#define APM_XSD_H_FILENAME android_audio_policy_configuration_V7_1.h
+#define APM_XSD_ENUMS_H_FILENAME android_audio_policy_configuration_V7_1-enums.h
+#else
+#error "Unsupported minor version"
+#endif
+#endif
+// clang-format on
 
 #endif  // ANDROID_HARDWARE_VERSION_MACRO_H
diff --git a/audio/core/all-versions/default/Android.bp b/audio/core/all-versions/default/Android.bp
index 8fb7111..86380a5 100644
--- a/audio/core/all-versions/default/Android.bp
+++ b/audio/core/all-versions/default/Android.bp
@@ -159,3 +159,29 @@
     name: "android.hardware.audio@7.0-impl",
     defaults: ["android.hardware.audio@7.0-impl_default"],
 }
+
+cc_defaults {
+    name: "android.hardware.audio@7.1-impl_default",
+    defaults: ["android.hardware.audio-impl_default"],
+    shared_libs: [
+        "android.hardware.audio@7.0",
+        "android.hardware.audio@7.1",
+        "android.hardware.audio@7.0-util",
+        "android.hardware.audio.common@7.0",
+        "android.hardware.audio.common@7.1-enums",
+        "android.hardware.audio.common@7.0-util",
+        "libbase",
+    ],
+    cflags: [
+        "-DMAJOR_VERSION=7",
+        "-DMINOR_VERSION=1",
+        "-DCOMMON_TYPES_MINOR_VERSION=0",
+        "-DCORE_TYPES_MINOR_VERSION=0",
+        "-include common/all-versions/VersionMacro.h",
+    ],
+}
+
+cc_library_shared {
+    name: "android.hardware.audio@7.1-impl",
+    defaults: ["android.hardware.audio@7.1-impl_default"],
+}
diff --git a/audio/core/all-versions/default/Device.cpp b/audio/core/all-versions/default/Device.cpp
index 130dfba..98a59b9 100644
--- a/audio/core/all-versions/default/Device.cpp
+++ b/audio/core/all-versions/default/Device.cpp
@@ -39,7 +39,10 @@
 namespace CPP_VERSION {
 namespace implementation {
 
-using ::android::hardware::audio::common::CPP_VERSION::implementation::HidlUtils;
+using ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION::implementation::HidlUtils;
+namespace util {
+using namespace ::android::hardware::audio::CORE_TYPES_CPP_VERSION::implementation::util;
+}
 
 Device::Device(audio_hw_device_t* device) : mIsClosed(false), mDevice(device) {}
 
@@ -82,7 +85,7 @@
     if (mDevice->set_master_volume == NULL) {
         return Result::NOT_SUPPORTED;
     }
-    if (!isGainNormalized(volume)) {
+    if (!util::isGainNormalized(volume)) {
         ALOGW("Can not set a master volume (%f) outside [0,1]", volume);
         return Result::INVALID_ARGUMENTS;
     }
@@ -148,7 +151,7 @@
     return Void();
 }
 
-std::tuple<Result, sp<IStreamOut>> Device::openOutputStreamImpl(int32_t ioHandle,
+std::tuple<Result, sp<IStreamOut>> Device::openOutputStreamCore(int32_t ioHandle,
                                                                 const DeviceAddress& device,
                                                                 const AudioConfig& config,
                                                                 const AudioOutputFlags& flags,
@@ -185,7 +188,7 @@
     return {analyzeStatus("open_output_stream", status, {EINVAL} /*ignore*/), streamOut};
 }
 
-std::tuple<Result, sp<IStreamIn>> Device::openInputStreamImpl(
+std::tuple<Result, sp<IStreamIn>> Device::openInputStreamCore(
         int32_t ioHandle, const DeviceAddress& device, const AudioConfig& config,
         const AudioInputFlags& flags, AudioSource source, AudioConfig* suggestedConfig) {
     audio_config_t halConfig;
@@ -228,7 +231,7 @@
                                       openOutputStream_cb _hidl_cb) {
     AudioConfig suggestedConfig;
     auto [result, streamOut] =
-        openOutputStreamImpl(ioHandle, device, config, flags, &suggestedConfig);
+            openOutputStreamCore(ioHandle, device, config, flags, &suggestedConfig);
     _hidl_cb(result, streamOut, suggestedConfig);
     return Void();
 }
@@ -238,12 +241,36 @@
                                      AudioSource source, openInputStream_cb _hidl_cb) {
     AudioConfig suggestedConfig;
     auto [result, streamIn] =
-        openInputStreamImpl(ioHandle, device, config, flags, source, &suggestedConfig);
+            openInputStreamCore(ioHandle, device, config, flags, source, &suggestedConfig);
     _hidl_cb(result, streamIn, suggestedConfig);
     return Void();
 }
 
 #elif MAJOR_VERSION >= 4
+std::tuple<Result, sp<IStreamOut>, AudioConfig> Device::openOutputStreamImpl(
+        int32_t ioHandle, const DeviceAddress& device, const AudioConfig& config,
+        const SourceMetadata& sourceMetadata,
+#if MAJOR_VERSION <= 6
+        AudioOutputFlags flags) {
+    if (status_t status = CoreUtils::sourceMetadataToHal(sourceMetadata, nullptr);
+        status != NO_ERROR) {
+#else
+        const AudioOutputFlags& flags) {
+    if (status_t status = CoreUtils::sourceMetadataToHalV7(sourceMetadata,
+                                                           false /*ignoreNonVendorTags*/, nullptr);
+        status != NO_ERROR) {
+#endif
+        return {analyzeStatus("sourceMetadataToHal", status), nullptr, {}};
+    }
+    AudioConfig suggestedConfig;
+    auto [result, streamOut] =
+            openOutputStreamCore(ioHandle, device, config, flags, &suggestedConfig);
+    if (streamOut) {
+        streamOut->updateSourceMetadata(sourceMetadata);
+    }
+    return {result, streamOut, suggestedConfig};
+}
+
 Return<void> Device::openOutputStream(int32_t ioHandle, const DeviceAddress& device,
                                       const AudioConfig& config,
 #if MAJOR_VERSION <= 6
@@ -253,27 +280,46 @@
 #endif
                                       const SourceMetadata& sourceMetadata,
                                       openOutputStream_cb _hidl_cb) {
-#if MAJOR_VERSION <= 6
-    if (status_t status = CoreUtils::sourceMetadataToHal(sourceMetadata, nullptr);
-        status != NO_ERROR) {
-#else
-    if (status_t status = CoreUtils::sourceMetadataToHalV7(sourceMetadata,
-                                                           false /*ignoreNonVendorTags*/, nullptr);
-        status != NO_ERROR) {
-#endif
-        _hidl_cb(analyzeStatus("sourceMetadataToHal", status), nullptr, AudioConfig{});
-        return Void();
-    }
-    AudioConfig suggestedConfig;
-    auto [result, streamOut] =
-        openOutputStreamImpl(ioHandle, device, config, flags, &suggestedConfig);
-    if (streamOut) {
-        streamOut->updateSourceMetadata(sourceMetadata);
-    }
+    auto [result, streamOut, suggestedConfig] =
+            openOutputStreamImpl(ioHandle, device, config, sourceMetadata, flags);
     _hidl_cb(result, streamOut, suggestedConfig);
     return Void();
 }
 
+std::tuple<Result, sp<IStreamIn>, AudioConfig> Device::openInputStreamImpl(
+        int32_t ioHandle, const DeviceAddress& device, const AudioConfig& config,
+#if MAJOR_VERSION <= 6
+        AudioInputFlags flags,
+#else
+        const AudioInputFlags& flags,
+#endif
+        const SinkMetadata& sinkMetadata) {
+    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");
+        return {Result::INVALID_ARGUMENTS, nullptr, AudioConfig{}};
+    }
+#if MAJOR_VERSION <= 6
+    if (status_t status = CoreUtils::sinkMetadataToHal(sinkMetadata, nullptr); status != NO_ERROR) {
+#else
+    if (status_t status = CoreUtils::sinkMetadataToHalV7(sinkMetadata,
+                                                         false /*ignoreNonVendorTags*/, nullptr);
+        status != NO_ERROR) {
+#endif
+        return {analyzeStatus("sinkMetadataToHal", status), nullptr, AudioConfig{}};
+    }
+    // Pick the first one as the main.
+    AudioSource source = sinkMetadata.tracks[0].source;
+    AudioConfig suggestedConfig;
+    auto [result, streamIn] =
+            openInputStreamCore(ioHandle, device, config, flags, source, &suggestedConfig);
+    if (streamIn) {
+        streamIn->updateSinkMetadata(sinkMetadata);
+    }
+    return {result, streamIn, suggestedConfig};
+}
+
 Return<void> Device::openInputStream(int32_t ioHandle, const DeviceAddress& device,
                                      const AudioConfig& config,
 #if MAJOR_VERSION <= 6
@@ -283,36 +329,35 @@
 #endif
                                      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();
-    }
-#if MAJOR_VERSION <= 6
-    if (status_t status = CoreUtils::sinkMetadataToHal(sinkMetadata, nullptr); status != NO_ERROR) {
-#else
-    if (status_t status = CoreUtils::sinkMetadataToHalV7(sinkMetadata,
-                                                         false /*ignoreNonVendorTags*/, nullptr);
-        status != NO_ERROR) {
-#endif
-        _hidl_cb(analyzeStatus("sinkMetadataToHal", status), nullptr, AudioConfig{});
-        return Void();
-    }
-    // Pick the first one as the main.
-    AudioSource source = sinkMetadata.tracks[0].source;
-    AudioConfig suggestedConfig;
-    auto [result, streamIn] =
-        openInputStreamImpl(ioHandle, device, config, flags, source, &suggestedConfig);
-    if (streamIn) {
-        streamIn->updateSinkMetadata(sinkMetadata);
-    }
+    auto [result, streamIn, suggestedConfig] =
+            openInputStreamImpl(ioHandle, device, config, flags, sinkMetadata);
     _hidl_cb(result, streamIn, suggestedConfig);
     return Void();
 }
 #endif /* MAJOR_VERSION */
 
+#if MAJOR_VERSION == 7 && MINOR_VERSION == 1
+Return<void> Device::openOutputStream_7_1(int32_t ioHandle, const DeviceAddress& device,
+                                          const AudioConfig& config, const AudioOutputFlags& flags,
+                                          const SourceMetadata& sourceMetadata,
+                                          openOutputStream_7_1_cb _hidl_cb) {
+    auto [result, streamOut, suggestedConfig] =
+            openOutputStreamImpl(ioHandle, device, config, sourceMetadata, flags);
+    _hidl_cb(result, streamOut, suggestedConfig);
+    return Void();
+}
+
+Return<void> Device::openInputStream_7_1(int32_t ioHandle, const DeviceAddress& device,
+                                         const AudioConfig& config, const AudioInputFlags& flags,
+                                         const SinkMetadata& sinkMetadata,
+                                         openInputStream_7_1_cb _hidl_cb) {
+    auto [result, streamIn, suggestedConfig] =
+            openInputStreamImpl(ioHandle, device, config, flags, sinkMetadata);
+    _hidl_cb(result, streamIn, suggestedConfig);
+    return Void();
+}
+#endif  // V7.1
+
 Return<bool> Device::supportsAudioPatches() {
     return version() >= AUDIO_DEVICE_API_VERSION_3_0;
 }
diff --git a/audio/core/all-versions/default/DevicesFactory.cpp b/audio/core/all-versions/default/DevicesFactory.cpp
index 729f18c..f44daf0 100644
--- a/audio/core/all-versions/default/DevicesFactory.cpp
+++ b/audio/core/all-versions/default/DevicesFactory.cpp
@@ -47,22 +47,54 @@
     _hidl_cb(Result::INVALID_ARGUMENTS, nullptr);
     return Void();
 }
+
+Return<void> DevicesFactory::openDevice(const char* moduleName, openDevice_cb _hidl_cb) {
+    return openDevice<implementation::Device>(moduleName, _hidl_cb);
+}
 #elif MAJOR_VERSION >= 4
 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 openDevice<implementation::Device>(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);
+#if MAJOR_VERSION == 7 && MINOR_VERSION == 1
+Return<void> DevicesFactory::openDevice_7_1(const hidl_string& moduleName,
+                                            openDevice_7_1_cb _hidl_cb) {
+    if (moduleName == AUDIO_HARDWARE_MODULE_ID_PRIMARY) {
+        Result result;
+        sp<IPrimaryDevice> primary;
+        auto ret = openDevice<PrimaryDevice>(
+                AUDIO_HARDWARE_MODULE_ID_PRIMARY,
+                [&result, &primary](Result r, const sp<IPrimaryDevice>& p) {
+                    result = r;
+                    primary = p;
+                });
+        if (ret.isOk() && result == Result::OK && primary != nullptr) {
+            auto getDeviceRet = primary->getDevice();
+            if (getDeviceRet.isOk()) {
+                _hidl_cb(result, getDeviceRet);
+            } else {
+                _hidl_cb(Result::NOT_INITIALIZED, nullptr);
+            }
+        } else {
+            _hidl_cb(result, nullptr);
+        }
+        return Void();
+    }
+    return openDevice<implementation::Device>(moduleName.c_str(), _hidl_cb);
 }
 
+Return<void> DevicesFactory::openPrimaryDevice_7_1(openPrimaryDevice_7_1_cb _hidl_cb) {
+    return openDevice<PrimaryDevice>(AUDIO_HARDWARE_MODULE_ID_PRIMARY, _hidl_cb);
+}
+#endif  // V7.1
+
 template <class DeviceShim, class Callback>
 Return<void> DevicesFactory::openDevice(const char* moduleName, Callback _hidl_cb) {
     audio_hw_device_t* halDevice;
diff --git a/audio/core/all-versions/default/ParametersUtil.cpp b/audio/core/all-versions/default/ParametersUtil.cpp
index 4d53645..e21eff2 100644
--- a/audio/core/all-versions/default/ParametersUtil.cpp
+++ b/audio/core/all-versions/default/ParametersUtil.cpp
@@ -24,7 +24,7 @@
 namespace android {
 namespace hardware {
 namespace audio {
-namespace CPP_VERSION {
+namespace CORE_TYPES_CPP_VERSION {
 namespace implementation {
 
 /** Converts a status_t in Result according to the rules of AudioParameter::get*
@@ -168,7 +168,7 @@
 }
 
 }  // namespace implementation
-}  // namespace CPP_VERSION
+}  // namespace CORE_TYPES_CPP_VERSION
 }  // namespace audio
 }  // namespace hardware
 }  // namespace android
diff --git a/audio/core/all-versions/default/PrimaryDevice.cpp b/audio/core/all-versions/default/PrimaryDevice.cpp
index fe56177..cf162f1 100644
--- a/audio/core/all-versions/default/PrimaryDevice.cpp
+++ b/audio/core/all-versions/default/PrimaryDevice.cpp
@@ -29,6 +29,10 @@
 namespace CPP_VERSION {
 namespace implementation {
 
+namespace util {
+using namespace ::android::hardware::audio::CORE_TYPES_CPP_VERSION::implementation::util;
+}
+
 PrimaryDevice::PrimaryDevice(audio_hw_device_t* device) : mDevice(new Device(device)) {}
 
 PrimaryDevice::~PrimaryDevice() {
@@ -195,7 +199,7 @@
 
 // Methods from ::android::hardware::audio::CPP_VERSION::IPrimaryDevice follow.
 Return<Result> PrimaryDevice::setVoiceVolume(float volume) {
-    if (!isGainNormalized(volume)) {
+    if (!util::isGainNormalized(volume)) {
         ALOGW("Can not set a voice volume (%f) outside [0,1]", volume);
         return Result::INVALID_ARGUMENTS;
     }
@@ -326,7 +330,7 @@
     return mDevice->setParam(AUDIO_PARAMETER_KEY_HFP_SET_SAMPLING_RATE, int(sampleRateHz));
 }
 Return<Result> PrimaryDevice::setBtHfpVolume(float volume) {
-    if (!isGainNormalized(volume)) {
+    if (!util::isGainNormalized(volume)) {
         ALOGW("Can not set BT HFP volume (%f) outside [0,1]", volume);
         return Result::INVALID_ARGUMENTS;
     }
diff --git a/audio/core/all-versions/default/Stream.cpp b/audio/core/all-versions/default/Stream.cpp
index 7e32573..8e85a8b 100644
--- a/audio/core/all-versions/default/Stream.cpp
+++ b/audio/core/all-versions/default/Stream.cpp
@@ -37,8 +37,12 @@
 namespace CPP_VERSION {
 namespace implementation {
 
-using ::android::hardware::audio::common::CPP_VERSION::implementation::HidlUtils;
+using ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION::implementation::HidlUtils;
 using ::android::hardware::audio::common::utils::splitString;
+using ::android::hardware::audio::CORE_TYPES_CPP_VERSION::implementation::CoreUtils;
+namespace util {
+using namespace ::android::hardware::audio::CORE_TYPES_CPP_VERSION::implementation::util;
+}
 
 Stream::Stream(bool isInput, audio_stream_t* stream) : mIsInput(isInput), mStream(stream) {
     (void)mIsInput;  // prevent 'unused field' warnings in pre-V7 versions.
diff --git a/audio/core/all-versions/default/StreamIn.cpp b/audio/core/all-versions/default/StreamIn.cpp
index 2aeee43..2bea425 100644
--- a/audio/core/all-versions/default/StreamIn.cpp
+++ b/audio/core/all-versions/default/StreamIn.cpp
@@ -37,7 +37,11 @@
 namespace CPP_VERSION {
 namespace implementation {
 
-using ::android::hardware::audio::common::CPP_VERSION::implementation::HidlUtils;
+using ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION::implementation::HidlUtils;
+using ::android::hardware::audio::CORE_TYPES_CPP_VERSION::implementation::CoreUtils;
+namespace util {
+using namespace ::android::hardware::audio::CORE_TYPES_CPP_VERSION::implementation::util;
+}
 
 namespace {
 
@@ -348,7 +352,7 @@
 }
 
 Return<Result> StreamIn::setGain(float gain) {
-    if (!isGainNormalized(gain)) {
+    if (!util::isGainNormalized(gain)) {
         ALOGW("Can not set a stream input gain (%f) outside [0,1]", gain);
         return Result::INVALID_ARGUMENTS;
     }
diff --git a/audio/core/all-versions/default/StreamOut.cpp b/audio/core/all-versions/default/StreamOut.cpp
index d027231..09df4ed 100644
--- a/audio/core/all-versions/default/StreamOut.cpp
+++ b/audio/core/all-versions/default/StreamOut.cpp
@@ -39,7 +39,11 @@
 namespace CPP_VERSION {
 namespace implementation {
 
-using ::android::hardware::audio::common::CPP_VERSION::implementation::HidlUtils;
+using ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION::implementation::HidlUtils;
+using ::android::hardware::audio::CORE_TYPES_CPP_VERSION::implementation::CoreUtils;
+namespace util {
+using namespace ::android::hardware::audio::CORE_TYPES_CPP_VERSION::implementation::util;
+}
 
 namespace {
 
@@ -334,7 +338,7 @@
     if (mStream->set_volume == NULL) {
         return Result::NOT_SUPPORTED;
     }
-    if (!isGainNormalized(left)) {
+    if (!util::isGainNormalized(left)) {
         ALOGW("Can not set a stream output volume {%f, %f} outside [0,1]", left, right);
         return Result::INVALID_ARGUMENTS;
     }
@@ -757,6 +761,73 @@
     ALOGW_IF(!result.isOk(), "Client callback failed: %s", result.description().c_str());
     return 0;
 }
+
+#if MAJOR_VERSION == 7 && MINOR_VERSION == 1
+Return<Result> StreamOut::setLatencyMode(LatencyMode mode) {
+    return mStream->set_latency_mode != nullptr
+                   ? Stream::analyzeStatus(
+                             "set_latency_mode",
+                             mStream->set_latency_mode(mStream,
+                                                       static_cast<audio_latency_mode_t>(mode)))
+                   : Result::NOT_SUPPORTED;
+};
+
+Return<void> StreamOut::getRecommendedLatencyModes(getRecommendedLatencyModes_cb _hidl_cb) {
+    Result retval = Result::NOT_SUPPORTED;
+    hidl_vec<LatencyMode> hidlModes;
+    size_t num_modes = AUDIO_LATENCY_MODE_CNT;
+    audio_latency_mode_t modes[AUDIO_LATENCY_MODE_CNT];
+
+    if (mStream->get_recommended_latency_modes != nullptr &&
+        mStream->get_recommended_latency_modes(mStream, &modes[0], &num_modes) == 0) {
+        if (num_modes == 0 || num_modes > AUDIO_LATENCY_MODE_CNT) {
+            ALOGW("%s invalid number of modes returned: %zu", __func__, num_modes);
+            retval = Result::INVALID_STATE;
+        } else {
+            hidlModes.resize(num_modes);
+            for (size_t i = 0; i < num_modes; ++i) {
+                hidlModes[i] = static_cast<LatencyMode>(modes[i]);
+            }
+            retval = Result::OK;
+        }
+    }
+    _hidl_cb(retval, hidlModes);
+    return Void();
+};
+
+// static
+void StreamOut::latencyModeCallback(audio_latency_mode_t* modes, size_t num_modes, void* cookie) {
+    StreamOut* self = reinterpret_cast<StreamOut*>(cookie);
+    sp<IStreamOutLatencyModeCallback> callback = self->mLatencyModeCallback.load();
+    if (callback.get() == nullptr) return;
+
+    ALOGV("%s", __func__);
+
+    if (num_modes == 0 || num_modes > AUDIO_LATENCY_MODE_CNT) {
+        ALOGW("%s invalid number of modes returned: %zu", __func__, num_modes);
+        return;
+    }
+
+    hidl_vec<LatencyMode> hidlModes(num_modes);
+    for (size_t i = 0; i < num_modes; ++i) {
+        hidlModes[i] = static_cast<LatencyMode>(modes[i]);
+    }
+    Return<void> result = callback->onRecommendedLatencyModeChanged(hidlModes);
+    ALOGW_IF(!result.isOk(), "Client callback failed: %s", result.description().c_str());
+}
+
+Return<Result> StreamOut::setLatencyModeCallback(
+        const sp<IStreamOutLatencyModeCallback>& callback) {
+    if (mStream->set_latency_mode_callback == nullptr) return Result::NOT_SUPPORTED;
+    int result = mStream->set_latency_mode_callback(mStream, StreamOut::latencyModeCallback, this);
+    if (result == 0) {
+        mLatencyModeCallback = callback;
+    }
+    return Stream::analyzeStatus("set_latency_mode_callback", result, {ENOSYS} /*ignore*/);
+};
+
+#endif
+
 #endif
 
 }  // namespace implementation
diff --git a/audio/core/all-versions/default/include/core/default/Device.h b/audio/core/all-versions/default/include/core/default/Device.h
index 94cad53..0aeb6b3 100644
--- a/audio/core/all-versions/default/include/core/default/Device.h
+++ b/audio/core/all-versions/default/include/core/default/Device.h
@@ -44,7 +44,10 @@
 using ::android::hardware::hidl_vec;
 using ::android::hardware::Return;
 using ::android::hardware::Void;
-using namespace ::android::hardware::audio::common::CPP_VERSION;
+using ::android::hardware::audio::CORE_TYPES_CPP_VERSION::implementation::CoreUtils;
+using ::android::hardware::audio::CORE_TYPES_CPP_VERSION::implementation::ParametersUtil;
+using namespace ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION;
+using namespace ::android::hardware::audio::CORE_TYPES_CPP_VERSION;
 using namespace ::android::hardware::audio::CPP_VERSION;
 using AudioInputFlags = CoreUtils::AudioInputFlags;
 using AudioOutputFlags = CoreUtils::AudioOutputFlags;
@@ -63,14 +66,32 @@
     Return<void> getInputBufferSize(const AudioConfig& config,
                                     getInputBufferSize_cb _hidl_cb) override;
 
-    std::tuple<Result, sp<IStreamOut>> openOutputStreamImpl(int32_t ioHandle,
+    std::tuple<Result, sp<IStreamOut>> openOutputStreamCore(int32_t ioHandle,
                                                             const DeviceAddress& device,
                                                             const AudioConfig& config,
                                                             const AudioOutputFlags& flags,
                                                             AudioConfig* suggestedConfig);
-    std::tuple<Result, sp<IStreamIn>> openInputStreamImpl(
+    std::tuple<Result, sp<IStreamIn>> openInputStreamCore(
             int32_t ioHandle, const DeviceAddress& device, const AudioConfig& config,
             const AudioInputFlags& flags, AudioSource source, AudioConfig* suggestedConfig);
+#if MAJOR_VERSION >= 4
+    std::tuple<Result, sp<IStreamOut>, AudioConfig> openOutputStreamImpl(
+            int32_t ioHandle, const DeviceAddress& device, const AudioConfig& config,
+            const SourceMetadata& sourceMetadata,
+#if MAJOR_VERSION <= 6
+            AudioOutputFlags flags);
+#else
+            const AudioOutputFlags& flags);
+#endif
+    std::tuple<Result, sp<IStreamIn>, AudioConfig> openInputStreamImpl(
+            int32_t ioHandle, const DeviceAddress& device, const AudioConfig& config,
+#if MAJOR_VERSION <= 6
+            AudioInputFlags flags,
+#else
+            const AudioInputFlags& flags,
+#endif
+            const SinkMetadata& sinkMetadata);
+#endif  // MAJOR_VERSION >= 4
 
     Return<void> openOutputStream(int32_t ioHandle, const DeviceAddress& device,
                                   const AudioConfig& config,
@@ -97,6 +118,17 @@
 #endif
                                  openInputStream_cb _hidl_cb) override;
 
+#if MAJOR_VERSION == 7 && MINOR_VERSION == 1
+    Return<void> openOutputStream_7_1(int32_t ioHandle, const DeviceAddress& device,
+                                      const AudioConfig& config, const AudioOutputFlags& flags,
+                                      const SourceMetadata& sourceMetadata,
+                                      openOutputStream_7_1_cb _hidl_cb) override;
+    Return<void> openInputStream_7_1(int32_t ioHandle, const DeviceAddress& device,
+                                     const AudioConfig& config, const AudioInputFlags& flags,
+                                     const SinkMetadata& sinkMetadata,
+                                     openInputStream_7_1_cb _hidl_cb) override;
+#endif
+
     Return<bool> supportsAudioPatches() override;
     Return<void> createAudioPatch(const hidl_vec<AudioPortConfig>& sources,
                                   const hidl_vec<AudioPortConfig>& sinks,
diff --git a/audio/core/all-versions/default/include/core/default/DevicesFactory.h b/audio/core/all-versions/default/include/core/default/DevicesFactory.h
index 9f93a38..566bc8a 100644
--- a/audio/core/all-versions/default/include/core/default/DevicesFactory.h
+++ b/audio/core/all-versions/default/include/core/default/DevicesFactory.h
@@ -44,11 +44,17 @@
     Return<void> openDevice(const hidl_string& device, openDevice_cb _hidl_cb) override;
     Return<void> openPrimaryDevice(openPrimaryDevice_cb _hidl_cb) override;
 #endif
+#if MAJOR_VERSION == 7 && MINOR_VERSION == 1
+    Return<void> openDevice_7_1(const hidl_string& device, openDevice_7_1_cb _hidl_cb) override;
+    Return<void> openPrimaryDevice_7_1(openPrimaryDevice_7_1_cb _hidl_cb) override;
+#endif
 
-   private:
+  private:
     template <class DeviceShim, class Callback>
     Return<void> openDevice(const char* moduleName, Callback _hidl_cb);
+#if MAJOR_VERSION == 2
     Return<void> openDevice(const char* moduleName, openDevice_cb _hidl_cb);
+#endif
 
     static int loadAudioInterface(const char* if_name, audio_hw_device_t** dev);
 };
diff --git a/audio/core/all-versions/default/include/core/default/ParametersUtil.h b/audio/core/all-versions/default/include/core/default/ParametersUtil.h
index 45d9b21..25c193a 100644
--- a/audio/core/all-versions/default/include/core/default/ParametersUtil.h
+++ b/audio/core/all-versions/default/include/core/default/ParametersUtil.h
@@ -17,7 +17,10 @@
 #ifndef ANDROID_HARDWARE_AUDIO_PARAMETERS_UTIL_H_
 #define ANDROID_HARDWARE_AUDIO_PARAMETERS_UTIL_H_
 
-#include PATH(android/hardware/audio/FILE_VERSION/types.h)
+// clang-format off
+#include PATH(android/hardware/audio/common/COMMON_TYPES_FILE_VERSION/types.h)
+#include PATH(android/hardware/audio/CORE_TYPES_FILE_VERSION/types.h)
+// clang-format on
 
 #include <functional>
 #include <memory>
@@ -28,13 +31,13 @@
 namespace android {
 namespace hardware {
 namespace audio {
-namespace CPP_VERSION {
+namespace CORE_TYPES_CPP_VERSION {
 namespace implementation {
 
 using ::android::hardware::hidl_string;
 using ::android::hardware::hidl_vec;
-using namespace ::android::hardware::audio::common::CPP_VERSION;
-using namespace ::android::hardware::audio::CPP_VERSION;
+using namespace ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION;
+using namespace ::android::hardware::audio::CORE_TYPES_CPP_VERSION;
 
 class ParametersUtil {
    public:
@@ -62,7 +65,7 @@
 };
 
 }  // namespace implementation
-}  // namespace CPP_VERSION
+}  // namespace CORE_TYPES_CPP_VERSION
 }  // namespace audio
 }  // namespace hardware
 }  // namespace android
diff --git a/audio/core/all-versions/default/include/core/default/PrimaryDevice.h b/audio/core/all-versions/default/include/core/default/PrimaryDevice.h
index 5f65acf..8b37e01 100644
--- a/audio/core/all-versions/default/include/core/default/PrimaryDevice.h
+++ b/audio/core/all-versions/default/include/core/default/PrimaryDevice.h
@@ -36,7 +36,8 @@
 using ::android::hardware::hidl_vec;
 using ::android::hardware::Return;
 using ::android::hardware::Void;
-using namespace ::android::hardware::audio::common::CPP_VERSION;
+using namespace ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION;
+using namespace ::android::hardware::audio::CORE_TYPES_CPP_VERSION;
 using namespace ::android::hardware::audio::CPP_VERSION;
 
 struct PrimaryDevice : public IPrimaryDevice {
@@ -135,8 +136,10 @@
     Return<Result> setBtHfpVolume(float volume) override;
     Return<Result> updateRotation(IPrimaryDevice::Rotation rotation) override;
 #endif
-
-   private:
+#if MAJOR_VERSION == 7 && MINOR_VERSION == 1
+    Return<sp<::android::hardware::audio::V7_1::IDevice>> getDevice() override { return mDevice; }
+#endif
+  private:
     sp<Device> mDevice;
 
     virtual ~PrimaryDevice();
diff --git a/audio/core/all-versions/default/include/core/default/Stream.h b/audio/core/all-versions/default/include/core/default/Stream.h
index 66d60e3..4e79884 100644
--- a/audio/core/all-versions/default/include/core/default/Stream.h
+++ b/audio/core/all-versions/default/include/core/default/Stream.h
@@ -17,7 +17,9 @@
 #ifndef ANDROID_HARDWARE_AUDIO_STREAM_H
 #define ANDROID_HARDWARE_AUDIO_STREAM_H
 
-#include PATH(android/hardware/audio/FILE_VERSION/IStream.h)
+// clang-format off
+#include PATH(android/hardware/audio/COMMON_TYPES_FILE_VERSION/IStream.h)
+// clang-format on
 
 #include "ParametersUtil.h"
 
@@ -41,10 +43,13 @@
 using ::android::hardware::hidl_vec;
 using ::android::hardware::Return;
 using ::android::hardware::Void;
+using ::android::hardware::audio::CORE_TYPES_CPP_VERSION::implementation::ParametersUtil;
 #if MAJOR_VERSION <= 6
-using ::android::hardware::audio::common::CPP_VERSION::implementation::AudioChannelBitfield;
+using ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION::implementation::
+        AudioChannelBitfield;
 #endif
-using namespace ::android::hardware::audio::common::CPP_VERSION;
+using namespace ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION;
+using namespace ::android::hardware::audio::CORE_TYPES_CPP_VERSION;
 using namespace ::android::hardware::audio::CPP_VERSION;
 
 struct Stream : public IStream, public ParametersUtil {
diff --git a/audio/core/all-versions/default/include/core/default/StreamIn.h b/audio/core/all-versions/default/include/core/default/StreamIn.h
index a980f3f..a6346e5 100644
--- a/audio/core/all-versions/default/include/core/default/StreamIn.h
+++ b/audio/core/all-versions/default/include/core/default/StreamIn.h
@@ -42,7 +42,8 @@
 using ::android::hardware::hidl_vec;
 using ::android::hardware::Return;
 using ::android::hardware::Void;
-using namespace ::android::hardware::audio::common::CPP_VERSION;
+using namespace ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION;
+using namespace ::android::hardware::audio::CORE_TYPES_CPP_VERSION;
 using namespace ::android::hardware::audio::CPP_VERSION;
 
 struct StreamIn : public IStreamIn {
diff --git a/audio/core/all-versions/default/include/core/default/StreamOut.h b/audio/core/all-versions/default/include/core/default/StreamOut.h
index 0b07972..ce5253f 100644
--- a/audio/core/all-versions/default/include/core/default/StreamOut.h
+++ b/audio/core/all-versions/default/include/core/default/StreamOut.h
@@ -43,7 +43,8 @@
 using ::android::hardware::hidl_vec;
 using ::android::hardware::Return;
 using ::android::hardware::Void;
-using namespace ::android::hardware::audio::common::CPP_VERSION;
+using namespace ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION;
+using namespace ::android::hardware::audio::CORE_TYPES_CPP_VERSION;
 using namespace ::android::hardware::audio::CPP_VERSION;
 
 struct StreamOut : public IStreamOut {
@@ -152,6 +153,12 @@
     Result doUpdateSourceMetadata(const SourceMetadata& sourceMetadata);
 #if MAJOR_VERSION >= 7
     Result doUpdateSourceMetadataV7(const SourceMetadata& sourceMetadata);
+#if MAJOR_VERSION == 7 && MINOR_VERSION == 1
+    Return<Result> setLatencyMode(LatencyMode mode) override;
+    Return<void> getRecommendedLatencyModes(getRecommendedLatencyModes_cb _hidl_cb) override;
+    Return<Result> setLatencyModeCallback(
+            const sp<IStreamOutLatencyModeCallback>& callback) override;
+#endif
 #endif
 #endif  // MAJOR_VERSION >= 4
 
@@ -162,6 +169,9 @@
     mediautils::atomic_sp<IStreamOutCallback> mCallback;  // for non-blocking write and drain
 #if MAJOR_VERSION >= 6
     mediautils::atomic_sp<IStreamOutEventCallback> mEventCallback;
+#if MAJOR_VERSION == 7 && MINOR_VERSION == 1
+    mediautils::atomic_sp<IStreamOutLatencyModeCallback> mLatencyModeCallback;
+#endif
 #endif
     std::unique_ptr<CommandMQ> mCommandMQ;
     std::unique_ptr<DataMQ> mDataMQ;
@@ -176,6 +186,9 @@
 
 #if MAJOR_VERSION >= 6
     static int asyncEventCallback(stream_event_callback_type_t event, void* param, void* cookie);
+#if MAJOR_VERSION == 7 && MINOR_VERSION == 1
+    static void latencyModeCallback(audio_latency_mode_t* modes, size_t num_modes, void* cookie);
+#endif
 #endif
 };
 
diff --git a/audio/core/all-versions/default/include/core/default/Util.h b/audio/core/all-versions/default/include/core/default/Util.h
index 78ae03e..abf5317 100644
--- a/audio/core/all-versions/default/include/core/default/Util.h
+++ b/audio/core/all-versions/default/include/core/default/Util.h
@@ -17,7 +17,9 @@
 #ifndef ANDROID_HARDWARE_AUDIO_UTIL_H
 #define ANDROID_HARDWARE_AUDIO_UTIL_H
 
-#include PATH(android/hardware/audio/FILE_VERSION/types.h)
+// clang-format off
+#include PATH(android/hardware/audio/CORE_TYPES_FILE_VERSION/types.h)
+// clang-format on
 
 #include <algorithm>
 #include <vector>
@@ -27,19 +29,19 @@
 namespace android {
 namespace hardware {
 namespace audio {
-namespace CPP_VERSION {
+namespace CORE_TYPES_CPP_VERSION {
 namespace implementation {
 
-using namespace ::android::hardware::audio::common::CPP_VERSION;
-using namespace ::android::hardware::audio::CPP_VERSION;
+using namespace ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION;
+using namespace ::android::hardware::audio::CORE_TYPES_CPP_VERSION;
+
+namespace util {
 
 /** @return true if gain is between 0 and 1 included. */
 constexpr bool isGainNormalized(float gain) {
     return gain >= 0.0 && gain <= 1.0;
 }
 
-namespace util {
-
 template <typename T>
 inline bool element_in(T e, const std::vector<T>& v) {
     return std::find(v.begin(), v.end(), e) != v.end();
@@ -72,7 +74,7 @@
 
 }  // namespace util
 }  // namespace implementation
-}  // namespace CPP_VERSION
+}  // namespace CORE_TYPES_CPP_VERSION
 }  // namespace audio
 }  // namespace hardware
 }  // namespace android
diff --git a/audio/core/all-versions/default/util/CoreUtils.cpp b/audio/core/all-versions/default/util/CoreUtils.cpp
index 773be21..8e83ea1 100644
--- a/audio/core/all-versions/default/util/CoreUtils.cpp
+++ b/audio/core/all-versions/default/util/CoreUtils.cpp
@@ -15,24 +15,24 @@
  */
 
 #if MAJOR_VERSION >= 7
-#include <android_audio_policy_configuration_V7_0-enums.h>
+#include PATH(APM_XSD_ENUMS_H_FILENAME)
 #endif
 #include <HidlUtils.h>
 #include <log/log.h>
 
 #include "util/CoreUtils.h"
 
-using ::android::hardware::audio::common::CPP_VERSION::implementation::HidlUtils;
+using ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION::implementation::HidlUtils;
 #if MAJOR_VERSION >= 7
 namespace xsd {
-using namespace ::android::audio::policy::configuration::V7_0;
+using namespace ::android::audio::policy::configuration::CPP_VERSION;
 }
 #endif
 
 namespace android {
 namespace hardware {
 namespace audio {
-namespace CPP_VERSION {
+namespace CORE_TYPES_CPP_VERSION {
 namespace implementation {
 
 #define CONVERT_CHECKED(expr, result)                   \
@@ -389,7 +389,7 @@
 
 #if MAJOR_VERSION >= 7
 namespace xsd {
-using namespace ::android::audio::policy::configuration::V7_0;
+using namespace ::android::audio::policy::configuration::CPP_VERSION;
 }
 
 status_t CoreUtils::audioInputFlagsFromHal(audio_input_flags_t halFlagMask,
@@ -470,7 +470,7 @@
 #endif
 
 }  // namespace implementation
-}  // namespace CPP_VERSION
+}  // namespace CORE_TYPES_CPP_VERSION
 }  // namespace audio
 }  // namespace hardware
 }  // namespace android
diff --git a/audio/core/all-versions/default/util/include/util/CoreUtils.h b/audio/core/all-versions/default/util/include/util/CoreUtils.h
index 1e5272a..dc35772 100644
--- a/audio/core/all-versions/default/util/include/util/CoreUtils.h
+++ b/audio/core/all-versions/default/util/include/util/CoreUtils.h
@@ -17,7 +17,7 @@
 #pragma once
 
 // clang-format off
-#include PATH(android/hardware/audio/FILE_VERSION/types.h)
+#include PATH(android/hardware/audio/CORE_TYPES_FILE_VERSION/types.h)
 // clang-format off
 
 #include <vector>
@@ -30,13 +30,13 @@
 namespace android {
 namespace hardware {
 namespace audio {
-namespace CPP_VERSION {
+namespace CORE_TYPES_CPP_VERSION {
 namespace implementation {
 
 using ::android::hardware::audio::common::utils::EnumBitfield;
 using ::android::hardware::hidl_vec;
-using namespace ::android::hardware::audio::common::CPP_VERSION;
-using namespace ::android::hardware::audio::CPP_VERSION;
+using namespace ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION;
+using namespace ::android::hardware::audio::CORE_TYPES_CPP_VERSION;
 
 struct CoreUtils {
     // Note: the converters for DeviceAddress have to be in CoreUtils for HAL V4
@@ -93,8 +93,8 @@
         return NO_ERROR;
     }
 #else
-    using AudioInputFlags = hidl_vec<::android::hardware::audio::CPP_VERSION::AudioInOutFlag>;
-    using AudioOutputFlags = hidl_vec<::android::hardware::audio::CPP_VERSION::AudioInOutFlag>;
+    using AudioInputFlags = hidl_vec<::android::hardware::audio::CORE_TYPES_CPP_VERSION::AudioInOutFlag>;
+    using AudioOutputFlags = hidl_vec<::android::hardware::audio::CORE_TYPES_CPP_VERSION::AudioInOutFlag>;
     static status_t audioInputFlagsFromHal(audio_input_flags_t halFlagMask, AudioInputFlags* flags);
     static status_t audioInputFlagsToHal(const AudioInputFlags& flags, audio_input_flags_t* halFlagMask);
     static status_t audioOutputFlagsFromHal(audio_output_flags_t halFlagMask, AudioOutputFlags* flags);
diff --git a/audio/core/all-versions/default/util/tests/coreutils_tests.cpp b/audio/core/all-versions/default/util/tests/coreutils_tests.cpp
index 0c18482..3976b08 100644
--- a/audio/core/all-versions/default/util/tests/coreutils_tests.cpp
+++ b/audio/core/all-versions/default/util/tests/coreutils_tests.cpp
@@ -28,7 +28,7 @@
 #include <xsdc/XsdcSupport.h>
 
 using namespace android;
-using namespace ::android::hardware::audio::common::CPP_VERSION;
+using namespace ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION;
 using namespace ::android::hardware::audio::CPP_VERSION;
 using ::android::hardware::hidl_vec;
 using ::android::hardware::audio::CPP_VERSION::implementation::CoreUtils;
diff --git a/audio/core/all-versions/vts/functional/2.0/AudioPrimaryHidlHalUtils.h b/audio/core/all-versions/vts/functional/2.0/AudioPrimaryHidlHalUtils.h
index 1cffd41..dd80dd6 100644
--- a/audio/core/all-versions/vts/functional/2.0/AudioPrimaryHidlHalUtils.h
+++ b/audio/core/all-versions/vts/functional/2.0/AudioPrimaryHidlHalUtils.h
@@ -14,16 +14,18 @@
  * limitations under the License.
  */
 
+// clang-format off
 #include PATH(android/hardware/audio/FILE_VERSION/IStream.h)
-#include PATH(android/hardware/audio/FILE_VERSION/types.h)
-#include PATH(android/hardware/audio/common/FILE_VERSION/types.h)
+#include PATH(android/hardware/audio/CORE_TYPES_FILE_VERSION/types.h)
+#include PATH(android/hardware/audio/common/COMMON_TYPES_FILE_VERSION/types.h)
+// clang-format on
 #include <hidl/HidlSupport.h>
 
 using ::android::hardware::hidl_handle;
 using ::android::hardware::hidl_string;
 using ::android::hardware::hidl_vec;
-using ::android::hardware::audio::common::CPP_VERSION::AudioChannelMask;
-using ::android::hardware::audio::common::CPP_VERSION::AudioFormat;
+using ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION::AudioChannelMask;
+using ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION::AudioFormat;
 using ::android::hardware::audio::CPP_VERSION::IStream;
 using ::android::hardware::audio::CPP_VERSION::ParameterValue;
 using ::android::hardware::audio::CPP_VERSION::Result;
diff --git a/audio/core/all-versions/vts/functional/4.0/AudioPrimaryHidlHalTest.cpp b/audio/core/all-versions/vts/functional/4.0/AudioPrimaryHidlHalTest.cpp
index 787654b..a9797bb 100644
--- a/audio/core/all-versions/vts/functional/4.0/AudioPrimaryHidlHalTest.cpp
+++ b/audio/core/all-versions/vts/functional/4.0/AudioPrimaryHidlHalTest.cpp
@@ -17,7 +17,7 @@
 #include "AudioPrimaryHidlHalTest.h"
 
 #if MAJOR_VERSION >= 7
-#include <android_audio_policy_configuration_V7_0.h>
+#include PATH(APM_XSD_H_FILENAME)
 #include <xsdc/XsdcSupport.h>
 
 using android::xsdc_enum_range;
@@ -28,17 +28,37 @@
     if (getDeviceName() != DeviceManager::kPrimaryDevice) {
         GTEST_SKIP() << "No primary device on this factory";  // returns
     }
-
-    {  // Scope for device SPs
-        sp<IDevice> baseDevice =
-                DeviceManager::getInstance().get(getFactoryName(), DeviceManager::kPrimaryDevice);
-        ASSERT_TRUE(baseDevice != nullptr);
-        Return<sp<IPrimaryDevice>> primaryDevice = IPrimaryDevice::castFrom(baseDevice);
-        EXPECT_TRUE(primaryDevice.isOk());
-        EXPECT_TRUE(sp<IPrimaryDevice>(primaryDevice) != nullptr);
-    }
     EXPECT_TRUE(
             DeviceManager::getInstance().reset(getFactoryName(), DeviceManager::kPrimaryDevice));
+
+    // Must use IDevicesFactory directly because DeviceManager always uses
+    // the latest interfaces version and corresponding methods for opening
+    // them. However, in minor package uprevs IPrimaryDevice does not inherit
+    // IDevice from the same package and thus IDevice can not be upcasted
+    // (see the interfaces in V7.1).
+    auto factory = DevicesFactoryManager::getInstance().get(getFactoryName());
+    ASSERT_TRUE(factory != nullptr);
+    sp<::android::hardware::audio::CORE_TYPES_CPP_VERSION::IDevice> baseDevice;
+    Result result;
+    auto ret = factory->openDevice(DeviceManager::kPrimaryDevice, returnIn(result, baseDevice));
+    ASSERT_TRUE(ret.isOk()) << ret.description();
+    ASSERT_EQ(Result::OK, result);
+    ASSERT_TRUE(baseDevice != nullptr);
+    {
+        Return<sp<::android::hardware::audio::CORE_TYPES_CPP_VERSION::IPrimaryDevice>>
+                primaryDevice = ::android::hardware::audio::CORE_TYPES_CPP_VERSION::IPrimaryDevice::
+                        castFrom(baseDevice);
+        EXPECT_TRUE(primaryDevice.isOk());
+        EXPECT_TRUE(sp<::android::hardware::audio::CORE_TYPES_CPP_VERSION::IPrimaryDevice>(
+                            primaryDevice) != nullptr);
+    }
+#if MAJOR_VERSION < 6
+    baseDevice.clear();
+    DeviceManager::waitForInstanceDestruction();
+#else
+    auto closeRet = baseDevice->close();
+    EXPECT_TRUE(closeRet.isOk());
+#endif
 }
 
 //////////////////////////////////////////////////////////////////////////////
@@ -183,7 +203,7 @@
                areAudioPatchesSupported() ? doc::partialTest("Audio patches are supported")
                                           : testSetDevices(stream.get(), address))
 
-static void checkGetHwAVSync(IDevice* device) {
+static void checkGetHwAVSync(::android::hardware::audio::CPP_VERSION::IDevice* device) {
     Result res;
     AudioHwSync sync;
     ASSERT_OK(device->getHwAvSync(returnIn(res, sync)));
@@ -215,7 +235,7 @@
     ASSERT_OK(stream->updateSinkMetadata(initMetadata));
 
 #elif MAJOR_VERSION >= 7
-    xsdc_enum_range<android::audio::policy::configuration::V7_0::AudioSource> range;
+    xsdc_enum_range<android::audio::policy::configuration::CPP_VERSION::AudioSource> range;
     // Test all possible track configuration
     for (auto source : range) {
         for (float volume : {0.0, 0.5, 1.0}) {
@@ -272,8 +292,9 @@
     // Restore initial
     ASSERT_OK(stream->updateSourceMetadata(initMetadata));
 #elif MAJOR_VERSION >= 7
-    xsdc_enum_range<android::audio::policy::configuration::V7_0::AudioUsage> usageRange;
-    xsdc_enum_range<android::audio::policy::configuration::V7_0::AudioContentType> contentRange;
+    xsdc_enum_range<android::audio::policy::configuration::CPP_VERSION::AudioUsage> usageRange;
+    xsdc_enum_range<android::audio::policy::configuration::CPP_VERSION::AudioContentType>
+            contentRange;
     // Test all possible track configuration
     for (auto usage : usageRange) {
         for (auto content : contentRange) {
diff --git a/audio/core/all-versions/vts/functional/4.0/AudioPrimaryHidlHalUtils.h b/audio/core/all-versions/vts/functional/4.0/AudioPrimaryHidlHalUtils.h
index 81a1f7b..a567cf9 100644
--- a/audio/core/all-versions/vts/functional/4.0/AudioPrimaryHidlHalUtils.h
+++ b/audio/core/all-versions/vts/functional/4.0/AudioPrimaryHidlHalUtils.h
@@ -14,33 +14,36 @@
  * limitations under the License.
  */
 
-#include PATH(android/hardware/audio/FILE_VERSION/IStream.h)
-#include PATH(android/hardware/audio/FILE_VERSION/types.h)
-#include PATH(android/hardware/audio/common/FILE_VERSION/types.h)
+// clang-format off
+#include PATH(android/hardware/audio/FILE_VERSION/IStreamIn.h)
+#include PATH(android/hardware/audio/FILE_VERSION/IStreamOut.h)
+#include PATH(android/hardware/audio/CORE_TYPES_FILE_VERSION/types.h)
+#include PATH(android/hardware/audio/common/COMMON_TYPES_FILE_VERSION/types.h)
+// clang-format on
 #include <hidl/HidlSupport.h>
 
 using ::android::hardware::hidl_bitfield;
 using ::android::hardware::hidl_handle;
 using ::android::hardware::hidl_string;
 using ::android::hardware::hidl_vec;
-using ::android::hardware::audio::common::CPP_VERSION::AudioChannelMask;
-using ::android::hardware::audio::common::CPP_VERSION::AudioFormat;
-using ::android::hardware::audio::CPP_VERSION::IStream;
-using ::android::hardware::audio::CPP_VERSION::ParameterValue;
-using ::android::hardware::audio::CPP_VERSION::Result;
+using ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION::AudioChannelMask;
+using ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION::AudioFormat;
+using ::android::hardware::audio::CORE_TYPES_CPP_VERSION::IStream;
+using ::android::hardware::audio::CORE_TYPES_CPP_VERSION::ParameterValue;
+using ::android::hardware::audio::CORE_TYPES_CPP_VERSION::Result;
 
 using namespace ::android::hardware::audio::common::test::utility;
 
-using Rotation = ::android::hardware::audio::CPP_VERSION::IPrimaryDevice::Rotation;
-using ::android::hardware::audio::common::CPP_VERSION::AudioContentType;
-using ::android::hardware::audio::common::CPP_VERSION::AudioUsage;
-using ::android::hardware::audio::CPP_VERSION::MicrophoneInfo;
+using Rotation = ::android::hardware::audio::CORE_TYPES_CPP_VERSION::IPrimaryDevice::Rotation;
+using ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION::AudioContentType;
+using ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION::AudioUsage;
+using ::android::hardware::audio::CORE_TYPES_CPP_VERSION::MicrophoneInfo;
 #if MAJOR_VERSION < 5
 using ::android::hardware::audio::CPP_VERSION::SinkMetadata;
 using ::android::hardware::audio::CPP_VERSION::SourceMetadata;
 #else
-using ::android::hardware::audio::common::CPP_VERSION::SinkMetadata;
-using ::android::hardware::audio::common::CPP_VERSION::SourceMetadata;
+using ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION::SinkMetadata;
+using ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION::SourceMetadata;
 #endif
 
 struct Parameters {
diff --git a/audio/core/all-versions/vts/functional/6.0/AudioPrimaryHidlHalTest.cpp b/audio/core/all-versions/vts/functional/6.0/AudioPrimaryHidlHalTest.cpp
index 8af4c78..aef94da 100644
--- a/audio/core/all-versions/vts/functional/6.0/AudioPrimaryHidlHalTest.cpp
+++ b/audio/core/all-versions/vts/functional/6.0/AudioPrimaryHidlHalTest.cpp
@@ -59,7 +59,8 @@
     testAccessors<OPTIONAL>(&OutputStreamTest::getStream, "dual mono mode",
                             Initial{DualMonoMode::OFF},
                             {DualMonoMode::LR, DualMonoMode::LL, DualMonoMode::RR},
-                            &IStreamOut::setDualMonoMode, &IStreamOut::getDualMonoMode);
+                            &::android::hardware::audio::CPP_VERSION::IStreamOut::setDualMonoMode,
+                            &::android::hardware::audio::CPP_VERSION::IStreamOut::getDualMonoMode);
 }
 
 GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(DualMonoModeAccessorHidlTest);
@@ -73,7 +74,8 @@
     testAccessors<OPTIONAL>(
             &OutputStreamTest::getStream, "audio description mix level",
             Initial{-std::numeric_limits<float>::infinity()}, {-48.0f, -1.0f, 0.0f, 1.0f, 48.0f},
-            &IStreamOut::setAudioDescriptionMixLevel, &IStreamOut::getAudioDescriptionMixLevel,
+            &::android::hardware::audio::CPP_VERSION::IStreamOut::setAudioDescriptionMixLevel,
+            &::android::hardware::audio::CPP_VERSION::IStreamOut::getAudioDescriptionMixLevel,
             {48.5f, 1000.0f, std::numeric_limits<float>::infinity()});
 }
 
@@ -105,7 +107,8 @@
              PlaybackRate{0.5f, 0.5f, TimestretchMode::VOICE, TimestretchFallbackMode::MUTE},
              PlaybackRate{1000.0f, 1000.0f, TimestretchMode::VOICE, TimestretchFallbackMode::MUTE},
              PlaybackRate{1.0f, 1.0f, TimestretchMode::VOICE, TimestretchFallbackMode::FAIL}},
-            &IStreamOut::setPlaybackRateParameters, &IStreamOut::getPlaybackRateParameters,
+            &::android::hardware::audio::CPP_VERSION::IStreamOut::setPlaybackRateParameters,
+            &::android::hardware::audio::CPP_VERSION::IStreamOut::getPlaybackRateParameters,
             {PlaybackRate{1000.0f, 1000.0f, TimestretchMode::DEFAULT,
                           TimestretchFallbackMode::FAIL},
              PlaybackRate{1000.0f, 1000.0f, TimestretchMode::VOICE,
diff --git a/audio/core/all-versions/vts/functional/6.0/Generators.cpp b/audio/core/all-versions/vts/functional/6.0/Generators.cpp
index e3b98c9..dafd326 100644
--- a/audio/core/all-versions/vts/functional/6.0/Generators.cpp
+++ b/audio/core/all-versions/vts/functional/6.0/Generators.cpp
@@ -21,8 +21,8 @@
 #include "PolicyConfig.h"
 
 // clang-format off
-#include PATH(android/hardware/audio/FILE_VERSION/types.h)
-#include PATH(android/hardware/audio/common/FILE_VERSION/types.h)
+#include PATH(android/hardware/audio/CORE_TYPES_FILE_VERSION/types.h)
+#include PATH(android/hardware/audio/common/COMMON_TYPES_FILE_VERSION/types.h)
 // clang-format on
 
 // Forward declaration for functions that are substituted
@@ -30,7 +30,7 @@
 const PolicyConfig& getCachedPolicyConfig();
 const std::vector<DeviceParameter>& getDeviceParameters();
 
-using namespace ::android::hardware::audio::common::CPP_VERSION;
+using namespace ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION;
 using namespace ::android::hardware::audio::CPP_VERSION;
 
 std::vector<DeviceConfigParameter> generateOutputDeviceConfigParameters(bool oneProfilePerDevice) {
diff --git a/audio/core/all-versions/vts/functional/7.0/AudioPrimaryHidlHalTest.cpp b/audio/core/all-versions/vts/functional/7.0/AudioPrimaryHidlHalTest.cpp
index 222fad7..f25c391 100644
--- a/audio/core/all-versions/vts/functional/7.0/AudioPrimaryHidlHalTest.cpp
+++ b/audio/core/all-versions/vts/functional/7.0/AudioPrimaryHidlHalTest.cpp
@@ -381,13 +381,13 @@
             "IDevice::open{Input|Output}Stream method.");
     AudioConfig suggestedConfig{};
     if (isParamForInputStream()) {
-        sp<IStreamIn> stream;
+        sp<::android::hardware::audio::CORE_TYPES_CPP_VERSION::IStreamIn> stream;
         ASSERT_OK(getDevice()->openInputStream(AudioIoHandle{}, getDeviceAddress(), getConfig(),
                                                getFlags(), getSinkMetadata(),
                                                returnIn(res, stream, suggestedConfig)));
         ASSERT_TRUE(stream == nullptr);
     } else {
-        sp<IStreamOut> stream;
+        sp<::android::hardware::audio::CORE_TYPES_CPP_VERSION::IStreamOut> stream;
         ASSERT_OK(getDevice()->openOutputStream(AudioIoHandle{}, getDeviceAddress(), getConfig(),
                                                 getFlags(), getSourceMetadata(),
                                                 returnIn(res, stream, suggestedConfig)));
@@ -551,13 +551,15 @@
     }
 
     void releasePatchIfNeeded() {
-        if (areAudioPatchesSupported()) {
-            if (mHasPatch) {
+        if (getDevice()) {
+            if (areAudioPatchesSupported() && mHasPatch) {
                 EXPECT_OK(getDevice()->releaseAudioPatch(mPatchHandle));
                 mHasPatch = false;
             }
         } else {
-            EXPECT_OK(stream->setDevices({address}));
+            if (stream) {
+                EXPECT_OK(stream->setDevices({address}));
+            }
         }
     }
 
@@ -724,13 +726,15 @@
     }
 
     void releasePatchIfNeeded() {
-        if (areAudioPatchesSupported()) {
-            if (mHasPatch) {
+        if (getDevice()) {
+            if (areAudioPatchesSupported() && mHasPatch) {
                 EXPECT_OK(getDevice()->releaseAudioPatch(mPatchHandle));
                 mHasPatch = false;
             }
         } else {
-            EXPECT_OK(stream->setDevices({address}));
+            if (stream) {
+                EXPECT_OK(stream->setDevices({address}));
+            }
         }
     }
 
diff --git a/audio/core/all-versions/vts/functional/7.0/Generators.cpp b/audio/core/all-versions/vts/functional/7.0/Generators.cpp
index 42bf1d3..f936d0a 100644
--- a/audio/core/all-versions/vts/functional/7.0/Generators.cpp
+++ b/audio/core/all-versions/vts/functional/7.0/Generators.cpp
@@ -20,20 +20,20 @@
 #include "7.0/PolicyConfig.h"
 
 // clang-format off
-#include PATH(android/hardware/audio/FILE_VERSION/types.h)
-#include PATH(android/hardware/audio/common/FILE_VERSION/types.h)
+#include PATH(android/hardware/audio/CORE_TYPES_FILE_VERSION/types.h)
+#include PATH(android/hardware/audio/common/COMMON_TYPES_FILE_VERSION/types.h)
 // clang-format on
 
-#include <android_audio_policy_configuration_V7_0-enums.h>
-#include <android_audio_policy_configuration_V7_0.h>
+#include PATH(APM_XSD_ENUMS_H_FILENAME)
+#include PATH(APM_XSD_H_FILENAME)
 
 // Forward declaration for functions that are substituted
 // in generator unit tests.
 const PolicyConfig& getCachedPolicyConfig();
 const std::vector<DeviceParameter>& getDeviceParameters();
 
-using namespace ::android::hardware::audio::common::CPP_VERSION;
-using namespace ::android::hardware::audio::CPP_VERSION;
+using namespace ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION;
+using namespace ::android::hardware::audio::CORE_TYPES_CPP_VERSION;
 namespace xsd {
 using namespace ::android::audio::policy::configuration::CPP_VERSION;
 }
diff --git a/audio/core/all-versions/vts/functional/7.0/PolicyConfig.cpp b/audio/core/all-versions/vts/functional/7.0/PolicyConfig.cpp
index 2988207..d674403 100644
--- a/audio/core/all-versions/vts/functional/7.0/PolicyConfig.cpp
+++ b/audio/core/all-versions/vts/functional/7.0/PolicyConfig.cpp
@@ -30,9 +30,9 @@
 using ::android::NO_ERROR;
 using ::android::OK;
 
-using namespace ::android::hardware::audio::common::CPP_VERSION;
-using namespace ::android::hardware::audio::CPP_VERSION;
-using ::android::hardware::audio::common::CPP_VERSION::implementation::HidlUtils;
+using namespace ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION;
+using namespace ::android::hardware::audio::CORE_TYPES_CPP_VERSION;
+using ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION::implementation::HidlUtils;
 using ::android::hardware::audio::common::utils::splitString;
 namespace xsd {
 using namespace ::android::audio::policy::configuration::CPP_VERSION;
diff --git a/audio/core/all-versions/vts/functional/7.0/PolicyConfig.h b/audio/core/all-versions/vts/functional/7.0/PolicyConfig.h
index f798839..4aea503 100644
--- a/audio/core/all-versions/vts/functional/7.0/PolicyConfig.h
+++ b/audio/core/all-versions/vts/functional/7.0/PolicyConfig.h
@@ -25,15 +25,15 @@
 #include <utils/Errors.h>
 
 // clang-format off
-#include PATH(android/hardware/audio/FILE_VERSION/types.h)
-#include PATH(android/hardware/audio/common/FILE_VERSION/types.h)
+#include PATH(android/hardware/audio/CORE_TYPES_FILE_VERSION/types.h)
+#include PATH(android/hardware/audio/common/COMMON_TYPES_FILE_VERSION/types.h)
 // clang-format on
 
-#include <android_audio_policy_configuration_V7_0-enums.h>
-#include <android_audio_policy_configuration_V7_0.h>
+#include PATH(APM_XSD_ENUMS_H_FILENAME)
+#include PATH(APM_XSD_H_FILENAME)
 
-using namespace ::android::hardware::audio::common::CPP_VERSION;
-using namespace ::android::hardware::audio::CPP_VERSION;
+using namespace ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION;
+using namespace ::android::hardware::audio::CORE_TYPES_CPP_VERSION;
 namespace xsd {
 using namespace ::android::audio::policy::configuration::CPP_VERSION;
 using Module = Modules::Module;
diff --git a/audio/core/all-versions/vts/functional/7.1/AudioPrimaryHidlHalTest.cpp b/audio/core/all-versions/vts/functional/7.1/AudioPrimaryHidlHalTest.cpp
new file mode 100644
index 0000000..b750f56
--- /dev/null
+++ b/audio/core/all-versions/vts/functional/7.1/AudioPrimaryHidlHalTest.cpp
@@ -0,0 +1,18 @@
+/*
+ * Copyright (C) 2022 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.
+ */
+
+// pull in all the <= 7.0 tests
+#include "7.0/AudioPrimaryHidlHalTest.cpp"
diff --git a/audio/core/all-versions/vts/functional/Android.bp b/audio/core/all-versions/vts/functional/Android.bp
index cfee26a..d810c55 100644
--- a/audio/core/all-versions/vts/functional/Android.bp
+++ b/audio/core/all-versions/vts/functional/Android.bp
@@ -179,6 +179,39 @@
     test_config: "VtsHalAudioV7_0TargetTest.xml",
 }
 
+cc_test {
+    name: "VtsHalAudioV7_1TargetTest",
+    defaults: ["VtsHalAudioTargetTest_defaults"],
+    srcs: [
+        "7.1/AudioPrimaryHidlHalTest.cpp",
+        "7.0/Generators.cpp",
+        "7.0/PolicyConfig.cpp",
+    ],
+    generated_headers: ["audio_policy_configuration_V7_1_parser"],
+    generated_sources: ["audio_policy_configuration_V7_1_parser"],
+    static_libs: [
+        "android.hardware.audio@7.0",
+        "android.hardware.audio@7.1",
+        "android.hardware.audio.common@7.0",
+        "android.hardware.audio.common@7.0-enums",
+        "android.hardware.audio.common@7.1-enums",
+        "android.hardware.audio.common@7.0-util",
+    ],
+    cflags: [
+        "-DMAJOR_VERSION=7",
+        "-DMINOR_VERSION=1",
+        "-DCOMMON_TYPES_MINOR_VERSION=0",
+        "-DCORE_TYPES_MINOR_VERSION=0",
+        "-include common/all-versions/VersionMacro.h",
+    ],
+    data: [
+        ":audio_policy_configuration_V7_1",
+    ],
+    // Use test_config for vts suite.
+    // TODO(b/146104851): Add auto-gen rules and remove it.
+    test_config: "VtsHalAudioV7_1TargetTest.xml",
+}
+
 // Note: the following aren't VTS tests, but rather unit tests
 // to verify correctness of test utilities.
 cc_test {
diff --git a/audio/core/all-versions/vts/functional/AudioPrimaryHidlHalTest.h b/audio/core/all-versions/vts/functional/AudioPrimaryHidlHalTest.h
index 340903a..404532a 100644
--- a/audio/core/all-versions/vts/functional/AudioPrimaryHidlHalTest.h
+++ b/audio/core/all-versions/vts/functional/AudioPrimaryHidlHalTest.h
@@ -37,15 +37,17 @@
 #include <android-base/logging.h>
 #include <system/audio_config.h>
 
+// clang-format off
 #include PATH(android/hardware/audio/FILE_VERSION/IDevice.h)
 #include PATH(android/hardware/audio/FILE_VERSION/IDevicesFactory.h)
 #include PATH(android/hardware/audio/FILE_VERSION/IPrimaryDevice.h)
-#include PATH(android/hardware/audio/FILE_VERSION/types.h)
-#include PATH(android/hardware/audio/common/FILE_VERSION/types.h)
+#include PATH(android/hardware/audio/CORE_TYPES_FILE_VERSION/types.h)
+#include PATH(android/hardware/audio/common/COMMON_TYPES_FILE_VERSION/types.h)
 #if MAJOR_VERSION >= 7
-#include <android_audio_policy_configuration_V7_0-enums.h>
-#include <android_audio_policy_configuration_V7_0.h>
+#include PATH(APM_XSD_ENUMS_H_FILENAME)
+#include PATH(APM_XSD_H_FILENAME)
 #endif
+// clang-format on
 
 #include <fmq/EventFlag.h>
 #include <fmq/MessageQueue.h>
@@ -86,7 +88,7 @@
 using ::android::hardware::audio::common::utils::mkEnumBitfield;
 using ::android::hardware::details::toHexString;
 
-using namespace ::android::hardware::audio::common::CPP_VERSION;
+using namespace ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION;
 using namespace ::android::hardware::audio::common::test::utility;
 using namespace ::android::hardware::audio::CPP_VERSION;
 using ReadParameters = ::android::hardware::audio::CPP_VERSION::IStreamIn::ReadParameters;
@@ -124,6 +126,9 @@
 
 class HidlTest : public ::testing::Test {
   public:
+    using IDevice = ::android::hardware::audio::CPP_VERSION::IDevice;
+    using IDevicesFactory = ::android::hardware::audio::CPP_VERSION::IDevicesFactory;
+
     virtual ~HidlTest() = default;
     // public access to avoid annoyances when using this method in template classes
     // derived from test classes
@@ -168,7 +173,8 @@
 }
 
 TEST(CheckConfig, audioPolicyConfigurationValidation) {
-    const auto factories = ::android::hardware::getAllHalInstanceNames(IDevicesFactory::descriptor);
+    const auto factories = ::android::hardware::getAllHalInstanceNames(
+            ::android::hardware::audio::CPP_VERSION::IDevicesFactory::descriptor);
     if (factories.size() == 0) {
         GTEST_SKIP() << "Skipping audioPolicyConfigurationValidation because no factory instances "
                         "are found.";
@@ -198,8 +204,8 @@
 const std::vector<DeviceParameter>& getDeviceParameters() {
     static std::vector<DeviceParameter> parameters = [] {
         std::vector<DeviceParameter> result;
-        const auto factories =
-                ::android::hardware::getAllHalInstanceNames(IDevicesFactory::descriptor);
+        const auto factories = ::android::hardware::getAllHalInstanceNames(
+                ::android::hardware::audio::CPP_VERSION::IDevicesFactory::descriptor);
         const auto devices = getCachedPolicyConfig().getModulesWithDevicesNames();
         result.reserve(devices.size());
         for (const auto& factoryName : factories) {
@@ -217,8 +223,8 @@
 const std::vector<DeviceParameter>& getDeviceParametersForFactoryTests() {
     static std::vector<DeviceParameter> parameters = [] {
         std::vector<DeviceParameter> result;
-        const auto factories =
-                ::android::hardware::getAllHalInstanceNames(IDevicesFactory::descriptor);
+        const auto factories = ::android::hardware::getAllHalInstanceNames(
+                ::android::hardware::audio::CPP_VERSION::IDevicesFactory::descriptor);
         for (const auto& factoryName : factories) {
             result.emplace_back(factoryName,
                                 DeviceManager::getInstance().getPrimary(factoryName) != nullptr
@@ -288,6 +294,8 @@
 // Test audio devices factory
 class AudioHidlTest : public AudioHidlTestWithDeviceParameter {
   public:
+    using IPrimaryDevice = ::android::hardware::audio::CPP_VERSION::IPrimaryDevice;
+
     void SetUp() override {
         ASSERT_NO_FATAL_FAILURE(AudioHidlTestWithDeviceParameter::SetUp());  // setup base
         ASSERT_TRUE(getDevicesFactory() != nullptr);
@@ -301,7 +309,7 @@
 TEST_P(AudioHidlTest, OpenDeviceInvalidParameter) {
     doc::test("Test passing an invalid parameter to openDevice");
     Result result;
-    sp<IDevice> device;
+    sp<::android::hardware::audio::CORE_TYPES_CPP_VERSION::IDevice> device;
 #if MAJOR_VERSION == 2
     auto invalidDevice = IDevicesFactory::Device(-1);
 #elif MAJOR_VERSION >= 4
@@ -572,8 +580,8 @@
                     [](auto&& arg) -> std::string {
                         using T = std::decay_t<decltype(arg)>;
                         // Need to use FQN of toString to avoid confusing the compiler
-                        return ::android::hardware::audio::common::CPP_VERSION::toString<T>(
-                                hidl_bitfield<T>(arg));
+                        return ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION::
+                                toString<T>(hidl_bitfield<T>(arg));
                     },
                     std::get<PARAM_FLAGS>(info.param)));
 #elif MAJOR_VERSION >= 7
@@ -890,6 +898,8 @@
 
 class StreamWriter : public StreamWorker<StreamWriter> {
   public:
+    using IStreamOut = ::android::hardware::audio::CPP_VERSION::IStreamOut;
+
     StreamWriter(IStreamOut* stream, size_t bufferSize)
         : mStream(stream), mBufferSize(bufferSize), mData(mBufferSize) {}
     ~StreamWriter() {
@@ -998,7 +1008,8 @@
     EventFlag* mEfGroup = nullptr;
 };
 
-class OutputStreamTest : public OpenStreamTest<IStreamOut> {
+class OutputStreamTest
+    : public OpenStreamTest<::android::hardware::audio::CPP_VERSION::IStreamOut> {
     void SetUp() override {
         ASSERT_NO_FATAL_FAILURE(OpenStreamTest::SetUp());  // setup base
 #if MAJOR_VERSION <= 6
@@ -1012,9 +1023,12 @@
                 [&](AudioIoHandle handle, AudioConfig config, auto cb) {
 #if MAJOR_VERSION == 2
                     return getDevice()->openOutputStream(handle, address, config, flags, cb);
-#elif MAJOR_VERSION >= 4
+#elif MAJOR_VERSION >= 4 && (MAJOR_VERSION < 7 || (MAJOR_VERSION == 7 && MINOR_VERSION == 0))
                     return getDevice()->openOutputStream(handle, address, config, flags,
                                                          initMetadata, cb);
+#elif MAJOR_VERSION == 7 && MINOR_VERSION == 1
+                    return getDevice()->openOutputStream_7_1(handle, address, config, flags,
+                                                             initMetadata, cb);
 #endif
                 },
                 config);
@@ -1075,6 +1089,8 @@
 
 class StreamReader : public StreamWorker<StreamReader> {
   public:
+    using IStreamIn = ::android::hardware::audio::CPP_VERSION::IStreamIn;
+
     StreamReader(IStreamIn* stream, size_t bufferSize)
         : mStream(stream), mBufferSize(bufferSize), mData(mBufferSize) {}
     ~StreamReader() {
@@ -1188,7 +1204,7 @@
     EventFlag* mEfGroup = nullptr;
 };
 
-class InputStreamTest : public OpenStreamTest<IStreamIn> {
+class InputStreamTest : public OpenStreamTest<::android::hardware::audio::CPP_VERSION::IStreamIn> {
     void SetUp() override {
         ASSERT_NO_FATAL_FAILURE(OpenStreamTest::SetUp());  // setup base
 #if MAJOR_VERSION <= 6
@@ -1210,8 +1226,13 @@
         auto flags = getInputFlags();
         testOpen(
                 [&](AudioIoHandle handle, AudioConfig config, auto cb) {
+#if MAJOR_VERSION < 7 || (MAJOR_VERSION == 7 && MINOR_VERSION == 0)
                     return getDevice()->openInputStream(handle, address, config, flags,
                                                         initMetadata, cb);
+#elif MAJOR_VERSION == 7 && MINOR_VERSION == 1
+                    return getDevice()->openInputStream_7_1(handle, address, config, flags,
+                                                            initMetadata, cb);
+#endif
                 },
                 config);
     }
@@ -1584,7 +1605,8 @@
                             "InputStream::setGain");
 }
 
-static void testPrepareForReading(IStreamIn* stream, uint32_t frameSize, uint32_t framesCount) {
+static void testPrepareForReading(::android::hardware::audio::CPP_VERSION::IStreamIn* stream,
+                                  uint32_t frameSize, uint32_t framesCount) {
     Result res;
     // Ignore output parameters as the call should fail
     ASSERT_OK(stream->prepareForReading(frameSize, framesCount,
@@ -1655,7 +1677,8 @@
                             "setVolume");
 }
 
-static void testPrepareForWriting(IStreamOut* stream, uint32_t frameSize, uint32_t framesCount) {
+static void testPrepareForWriting(::android::hardware::audio::CPP_VERSION::IStreamOut* stream,
+                                  uint32_t frameSize, uint32_t framesCount) {
     Result res;
     // Ignore output parameters as the call should fail
     ASSERT_OK(stream->prepareForWriting(frameSize, framesCount,
@@ -1682,6 +1705,8 @@
 }
 
 struct Capability {
+    using IStreamOut = ::android::hardware::audio::CPP_VERSION::IStreamOut;
+
     Capability(IStreamOut* stream) {
         EXPECT_OK(stream->supportsPauseAndResume(returnIn(pause, resume)));
         drain = extract(stream->supportsDrain());
@@ -1725,7 +1750,7 @@
     Return<void> onError() override { return {}; }
 };
 
-static bool isAsyncModeSupported(IStreamOut* stream) {
+static bool isAsyncModeSupported(::android::hardware::audio::CPP_VERSION::IStreamOut* stream) {
     auto res = stream->setCallback(new MockOutCallbacks);
     stream->clearCallback();  // try to restore the no callback state, ignore
                               // any error
@@ -1780,7 +1805,8 @@
     ASSERT_RESULT(Result::INVALID_STATE, stream->pause());
 }
 
-static void testDrain(IStreamOut* stream, AudioDrain type) {
+static void testDrain(::android::hardware::audio::CPP_VERSION::IStreamOut* stream,
+                      AudioDrain type) {
     if (!Capability(stream).drain) {
         doc::partialTest("The output stream does not support drain");
         return;
@@ -1866,7 +1892,8 @@
 }
 
 using TtyModeAccessorPrimaryHidlTest =
-        AccessorHidlTest<IPrimaryDevice::TtyMode, AudioPrimaryHidlTest>;
+        AccessorHidlTest<::android::hardware::audio::CPP_VERSION::IPrimaryDevice::TtyMode,
+                         AudioPrimaryHidlTest>;
 TEST_P(TtyModeAccessorPrimaryHidlTest, setGetTtyMode) {
     doc::test("Query and set the TTY mode state");
     testAccessors<OPTIONAL>(
diff --git a/audio/core/all-versions/vts/functional/AudioTestDefinitions.h b/audio/core/all-versions/vts/functional/AudioTestDefinitions.h
index aa67630..802b87b 100644
--- a/audio/core/all-versions/vts/functional/AudioTestDefinitions.h
+++ b/audio/core/all-versions/vts/functional/AudioTestDefinitions.h
@@ -22,8 +22,8 @@
 #include <vector>
 
 // clang-format off
-#include PATH(android/hardware/audio/FILE_VERSION/types.h)
-#include PATH(android/hardware/audio/common/FILE_VERSION/types.h)
+#include PATH(android/hardware/audio/CORE_TYPES_FILE_VERSION/types.h)
+#include PATH(android/hardware/audio/common/COMMON_TYPES_FILE_VERSION/types.h)
 // clang-format on
 
 enum { PARAM_FACTORY_NAME, PARAM_DEVICE_NAME };
@@ -34,14 +34,14 @@
 #if MAJOR_VERSION <= 6
 enum { PARAM_DEVICE, PARAM_CONFIG, PARAM_FLAGS };
 enum { INDEX_INPUT, INDEX_OUTPUT };
-using DeviceConfigParameter =
-        std::tuple<DeviceParameter, android::hardware::audio::common::CPP_VERSION::AudioConfig,
-                   std::variant<android::hardware::audio::common::CPP_VERSION::AudioInputFlag,
-                                android::hardware::audio::common::CPP_VERSION::AudioOutputFlag>>;
+using DeviceConfigParameter = std::tuple<
+        DeviceParameter, android::hardware::audio::common::COMMON_TYPES_CPP_VERSION::AudioConfig,
+        std::variant<android::hardware::audio::common::COMMON_TYPES_CPP_VERSION::AudioInputFlag,
+                     android::hardware::audio::common::COMMON_TYPES_CPP_VERSION::AudioOutputFlag>>;
 #elif MAJOR_VERSION >= 7
 enum { PARAM_DEVICE, PARAM_PORT_NAME, PARAM_CONFIG, PARAM_FLAGS };
 using DeviceConfigParameter =
         std::tuple<DeviceParameter, std::string,
-                   android::hardware::audio::common::CPP_VERSION::AudioConfig,
-                   std::vector<android::hardware::audio::CPP_VERSION::AudioInOutFlag>>;
+                   android::hardware::audio::common::COMMON_TYPES_CPP_VERSION::AudioConfig,
+                   std::vector<android::hardware::audio::CORE_TYPES_CPP_VERSION::AudioInOutFlag>>;
 #endif
diff --git a/audio/core/all-versions/vts/functional/ConfigHelper.h b/audio/core/all-versions/vts/functional/ConfigHelper.h
index a2bb1ee..e4008cf 100644
--- a/audio/core/all-versions/vts/functional/ConfigHelper.h
+++ b/audio/core/all-versions/vts/functional/ConfigHelper.h
@@ -21,8 +21,8 @@
 #include "PolicyConfig.h"
 
 // clang-format off
-#include PATH(android/hardware/audio/FILE_VERSION/types.h)
-#include PATH(android/hardware/audio/common/FILE_VERSION/types.h)
+#include PATH(android/hardware/audio/CORE_TYPES_FILE_VERSION/types.h)
+#include PATH(android/hardware/audio/common/COMMON_TYPES_FILE_VERSION/types.h)
 // clang-format on
 
 using ::android::hardware::audio::common::utils::EnumBitfield;
diff --git a/audio/core/all-versions/vts/functional/DeviceManager.h b/audio/core/all-versions/vts/functional/DeviceManager.h
index 6db78a7..c8e0167 100644
--- a/audio/core/all-versions/vts/functional/DeviceManager.h
+++ b/audio/core/all-versions/vts/functional/DeviceManager.h
@@ -22,19 +22,21 @@
 
 #include <android-base/logging.h>
 #include <hwbinder/IPCThreadState.h>
+#include <system/audio.h>
 
 // clang-format off
 #include PATH(android/hardware/audio/FILE_VERSION/IDevice.h)
 #include PATH(android/hardware/audio/FILE_VERSION/IDevicesFactory.h)
 #include PATH(android/hardware/audio/FILE_VERSION/IPrimaryDevice.h)
-#include PATH(android/hardware/audio/FILE_VERSION/types.h)
-#include PATH(android/hardware/audio/common/FILE_VERSION/types.h)
+#include PATH(android/hardware/audio/CORE_TYPES_FILE_VERSION/types.h)
+#include PATH(android/hardware/audio/common/COMMON_TYPES_FILE_VERSION/types.h)
 // clang-format on
 
 #include "utility/ReturnIn.h"
 
 using ::android::sp;
-using namespace ::android::hardware::audio::common::CPP_VERSION;
+using ::android::hardware::audio::CORE_TYPES_CPP_VERSION::Result;
+using namespace ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION;
 using namespace ::android::hardware::audio::common::test::utility;
 using namespace ::android::hardware::audio::CPP_VERSION;
 
@@ -104,21 +106,30 @@
     static sp<IDevice> createInterfaceInstance(const FactoryAndDevice& factoryAndDevice) {
         auto [factoryName, name] = factoryAndDevice;
         sp<IDevicesFactory> factory = DevicesFactoryManager::getInstance().get(factoryName);
-        return name == kPrimaryDevice ? openPrimaryDevice(factory) : openDevice(factory, name);
+        return openDevice(factory, name);
     }
     using InterfaceManager::reset;
 
     static constexpr const char* kPrimaryDevice = "primary";
 
     sp<IDevice> get(const std::string& factoryName, const std::string& name) {
+        if (name == kPrimaryDevice) {
+            (void)getPrimary(factoryName);  // for initializing primaryDevice if needed.
+        }
         return InterfaceManager::get(std::make_tuple(factoryName, name));
     }
     sp<IPrimaryDevice> getPrimary(const std::string& factoryName) {
-        sp<IDevice> device = get(factoryName, kPrimaryDevice);
-        return device != nullptr ? IPrimaryDevice::castFrom(device) : nullptr;
+        if (primaryDevice == nullptr) {
+            sp<IDevicesFactory> factory = DevicesFactoryManager::getInstance().get(factoryName);
+            primaryDevice = openPrimaryDevice(factory);
+        }
+        return primaryDevice;
     }
     bool reset(const std::string& factoryName, const std::string& name)
             __attribute__((warn_unused_result)) {
+        if (name == kPrimaryDevice) {
+            primaryDevice.clear();
+        }
 #if MAJOR_VERSION <= 5
         return InterfaceManager::reset(std::make_tuple(factoryName, name), true);
 #elif MAJOR_VERSION >= 6
@@ -140,35 +151,75 @@
   private:
     static sp<IDevice> openDevice(const sp<IDevicesFactory>& factory, const std::string& name) {
         if (factory == nullptr) return nullptr;
-        sp<IDevice> device;
-#if MAJOR_VERSION >= 4
         Result result;
+        sp<IDevice> device;
+#if MAJOR_VERSION == 2
+        IDevicesFactory::Device dev = IDevicesFactory::IDevicesFactory::Device(-1);
+        if (name == AUDIO_HARDWARE_MODULE_ID_PRIMARY) {
+            dev = IDevicesFactory::Device::PRIMARY;
+        } else if (name == AUDIO_HARDWARE_MODULE_ID_A2DP) {
+            dev = IDevicesFactory::Device::A2DP;
+        } else if (name == AUDIO_HARDWARE_MODULE_ID_USB) {
+            dev = IDevicesFactory::Device::USB;
+        } else if (name == AUDIO_HARDWARE_MODULE_ID_REMOTE_SUBMIX) {
+            dev = IDevicesFactory::Device::R_SUBMIX;
+        } else if (name == AUDIO_HARDWARE_MODULE_ID_STUB) {
+            dev = IDevicesFactory::Device::STUB;
+        }
+        auto ret = factory->openDevice(dev, returnIn(result, device));
+#elif MAJOR_VERSION >= 4 && (MAJOR_VERSION < 7 || (MAJOR_VERSION == 7 && MINOR_VERSION == 0))
         auto ret = factory->openDevice(name, returnIn(result, device));
+#elif MAJOR_VERSION == 7 && MINOR_VERSION == 1
+        auto ret = factory->openDevice_7_1(name, returnIn(result, device));
+#endif
         if (!ret.isOk() || result != Result::OK || device == nullptr) {
             ALOGW("Device %s can not be opened, transaction: %s, result %d, device %p",
                   name.c_str(), ret.description().c_str(), result, device.get());
             return nullptr;
         }
-#else
-        (void)name;
-#endif
         return device;
     }
 
-    static sp<IDevice> openPrimaryDevice(const sp<IDevicesFactory>& factory) {
-        if (factory == nullptr) return nullptr;
+    static sp<IPrimaryDevice> openPrimaryDevice(const sp<IDevicesFactory>& factory) {
+        if (factory == nullptr) return {};
         Result result;
         sp<IDevice> device;
+        sp<IPrimaryDevice> primaryDevice;
 #if MAJOR_VERSION == 2
         auto ret = factory->openDevice(IDevicesFactory::Device::PRIMARY, returnIn(result, device));
-#elif MAJOR_VERSION >= 4
+        if (ret.isOk() && result == Result::OK && device != nullptr) {
+            primaryDevice = IPrimaryDevice::castFrom(device);
+        }
+#elif MAJOR_VERSION >= 4 && (MAJOR_VERSION < 7 || (MAJOR_VERSION == 7 && MINOR_VERSION == 0))
         auto ret = factory->openPrimaryDevice(returnIn(result, device));
+        if (ret.isOk() && result == Result::OK && device != nullptr) {
+            primaryDevice = IPrimaryDevice::castFrom(device);
+        }
+#elif MAJOR_VERSION == 7 && MINOR_VERSION == 1
+        auto ret = factory->openPrimaryDevice_7_1(returnIn(result, primaryDevice));
+        if (ret.isOk() && result == Result::OK && primaryDevice != nullptr) {
+            auto getDeviceRet = primaryDevice->getDevice();
+            if (getDeviceRet.isOk()) {
+                device = getDeviceRet;
+            } else {
+                primaryDevice.clear();
+                ALOGW("Primary device can not downcast, transaction: %s, primary %p",
+                      getDeviceRet.description().c_str(), primaryDevice.get());
+                return {};
+            }
+        }
 #endif
         if (!ret.isOk() || result != Result::OK || device == nullptr) {
             ALOGW("Primary device can not be opened, transaction: %s, result %d, device %p",
                   ret.description().c_str(), result, device.get());
-            return nullptr;
+            return {};
         }
-        return device;
+        return primaryDevice;
     }
+
+  private:
+    // There can only be one primary device across all HAL modules.
+    // A reference to a complete interface is used because in V7.1 IDevice can not
+    // be upcasted to IPrimaryDevice.
+    sp<IPrimaryDevice> primaryDevice;
 };
diff --git a/audio/core/all-versions/vts/functional/VtsHalAudioV7_1TargetTest.xml b/audio/core/all-versions/vts/functional/VtsHalAudioV7_1TargetTest.xml
new file mode 100644
index 0000000..7b33a8f
--- /dev/null
+++ b/audio/core/all-versions/vts/functional/VtsHalAudioV7_1TargetTest.xml
@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2022 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.
+-->
+<configuration description="Runs VtsHalAudioV7_1TargetTest.">
+    <option name="test-suite-tag" value="apct" />
+    <option name="test-suite-tag" value="apct-native" />
+
+    <target_preparer class="com.android.tradefed.targetprep.RootTargetPreparer"/>
+    <target_preparer class="com.android.tradefed.targetprep.StopServicesSetup"/>
+
+    <target_preparer class="com.android.tradefed.targetprep.RunCommandTargetPreparer">
+        <option name="run-command" value="setprop vts.native_server.on 1"/>
+        <option name="teardown-command" value="setprop vts.native_server.on 0"/>
+    </target_preparer>
+
+    <target_preparer class="com.android.tradefed.targetprep.PushFilePreparer">
+        <option name="cleanup" value="true" />
+        <option name="push" value="VtsHalAudioV7_1TargetTest->/data/local/tmp/VtsHalAudioV7_1TargetTest" />
+        <option name="push" value="audio_policy_configuration_V7_1.xsd->/data/local/tmp/audio_policy_configuration_V7_1.xsd" />
+    </target_preparer>
+
+    <test class="com.android.tradefed.testtype.GTest" >
+        <option name="native-test-device-path" value="/data/local/tmp" />
+        <option name="module-name" value="VtsHalAudioV7_1TargetTest" />
+        <option name="native-test-timeout" value="5m" />
+    </test>
+</configuration>
diff --git a/audio/core/all-versions/vts/functional/tests/generators_tests.cpp b/audio/core/all-versions/vts/functional/tests/generators_tests.cpp
index 3fdd8e6..76bf93e 100644
--- a/audio/core/all-versions/vts/functional/tests/generators_tests.cpp
+++ b/audio/core/all-versions/vts/functional/tests/generators_tests.cpp
@@ -33,7 +33,7 @@
 #endif
 
 using namespace android;
-using namespace ::android::hardware::audio::common::CPP_VERSION;
+using namespace ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION;
 #if MAJOR_VERSION == 7
 namespace xsd {
 using namespace ::android::audio::policy::configuration::CPP_VERSION;
diff --git a/audio/effect/all-versions/default/Effect.cpp b/audio/effect/all-versions/default/Effect.cpp
index ccfc6b2..49f6bf2 100644
--- a/audio/effect/all-versions/default/Effect.cpp
+++ b/audio/effect/all-versions/default/Effect.cpp
@@ -42,9 +42,10 @@
 namespace implementation {
 
 #if MAJOR_VERSION <= 6
-using ::android::hardware::audio::common::CPP_VERSION::implementation::AudioChannelBitfield;
+using ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION::implementation::
+        AudioChannelBitfield;
 #endif
-using ::android::hardware::audio::common::CPP_VERSION::implementation::HidlUtils;
+using ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION::implementation::HidlUtils;
 
 namespace {
 
diff --git a/audio/effect/all-versions/default/Effect.h b/audio/effect/all-versions/default/Effect.h
index d5218f7..f9a6796 100644
--- a/audio/effect/all-versions/default/Effect.h
+++ b/audio/effect/all-versions/default/Effect.h
@@ -48,9 +48,10 @@
 using ::android::hardware::Return;
 using ::android::hardware::Void;
 #if MAJOR_VERSION <= 6
-using ::android::hardware::audio::common::CPP_VERSION::implementation::AudioDeviceBitfield;
+using ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION::implementation::
+        AudioDeviceBitfield;
 #endif
-using namespace ::android::hardware::audio::common::CPP_VERSION;
+using namespace ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION;
 using namespace ::android::hardware::audio::effect::CPP_VERSION;
 
 struct Effect : public IEffect {
diff --git a/audio/effect/all-versions/default/EffectsFactory.cpp b/audio/effect/all-versions/default/EffectsFactory.cpp
index eb1cb49..e93ad89 100644
--- a/audio/effect/all-versions/default/EffectsFactory.cpp
+++ b/audio/effect/all-versions/default/EffectsFactory.cpp
@@ -53,7 +53,7 @@
 namespace CPP_VERSION {
 namespace implementation {
 
-using ::android::hardware::audio::common::CPP_VERSION::implementation::UuidUtils;
+using ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION::implementation::UuidUtils;
 
 // static
 sp<IEffect> EffectsFactory::dispatchEffectInstanceCreation(const effect_descriptor_t& halDescriptor,
diff --git a/audio/effect/all-versions/default/EffectsFactory.h b/audio/effect/all-versions/default/EffectsFactory.h
index 0b86836..da16923 100644
--- a/audio/effect/all-versions/default/EffectsFactory.h
+++ b/audio/effect/all-versions/default/EffectsFactory.h
@@ -41,7 +41,7 @@
 using ::android::hardware::hidl_vec;
 using ::android::hardware::Return;
 using ::android::hardware::Void;
-using namespace ::android::hardware::audio::common::CPP_VERSION;
+using namespace ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION;
 using namespace ::android::hardware::audio::effect::CPP_VERSION;
 
 struct EffectsFactory : public IEffectsFactory {
diff --git a/audio/effect/all-versions/default/EnvironmentalReverbEffect.h b/audio/effect/all-versions/default/EnvironmentalReverbEffect.h
index 9694b5d..001774d 100644
--- a/audio/effect/all-versions/default/EnvironmentalReverbEffect.h
+++ b/audio/effect/all-versions/default/EnvironmentalReverbEffect.h
@@ -43,7 +43,7 @@
 using ::android::hardware::hidl_vec;
 using ::android::hardware::Return;
 using ::android::hardware::Void;
-using namespace ::android::hardware::audio::common::CPP_VERSION;
+using namespace ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION;
 using namespace ::android::hardware::audio::effect::CPP_VERSION;
 
 struct EnvironmentalReverbEffect : public IEnvironmentalReverbEffect {
diff --git a/audio/effect/all-versions/default/EqualizerEffect.h b/audio/effect/all-versions/default/EqualizerEffect.h
index 7a6bc0a..c4d76c1 100644
--- a/audio/effect/all-versions/default/EqualizerEffect.h
+++ b/audio/effect/all-versions/default/EqualizerEffect.h
@@ -43,7 +43,7 @@
 using ::android::hardware::hidl_vec;
 using ::android::hardware::Return;
 using ::android::hardware::Void;
-using namespace ::android::hardware::audio::common::CPP_VERSION;
+using namespace ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION;
 using namespace ::android::hardware::audio::effect::CPP_VERSION;
 
 struct EqualizerEffect : public IEqualizerEffect {
diff --git a/audio/effect/all-versions/default/LoudnessEnhancerEffect.h b/audio/effect/all-versions/default/LoudnessEnhancerEffect.h
index 6d80207..122ec36 100644
--- a/audio/effect/all-versions/default/LoudnessEnhancerEffect.h
+++ b/audio/effect/all-versions/default/LoudnessEnhancerEffect.h
@@ -39,7 +39,7 @@
 using ::android::hardware::hidl_vec;
 using ::android::hardware::Return;
 using ::android::hardware::Void;
-using namespace ::android::hardware::audio::common::CPP_VERSION;
+using namespace ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION;
 using namespace ::android::hardware::audio::effect::CPP_VERSION;
 
 struct LoudnessEnhancerEffect : public ILoudnessEnhancerEffect {
diff --git a/audio/effect/all-versions/default/NoiseSuppressionEffect.h b/audio/effect/all-versions/default/NoiseSuppressionEffect.h
index 6cc45b9..96b9ecf 100644
--- a/audio/effect/all-versions/default/NoiseSuppressionEffect.h
+++ b/audio/effect/all-versions/default/NoiseSuppressionEffect.h
@@ -41,7 +41,7 @@
 using ::android::hardware::hidl_vec;
 using ::android::hardware::Return;
 using ::android::hardware::Void;
-using namespace ::android::hardware::audio::common::CPP_VERSION;
+using namespace ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION;
 using namespace ::android::hardware::audio::effect::CPP_VERSION;
 
 struct NoiseSuppressionEffect : public INoiseSuppressionEffect {
diff --git a/audio/effect/all-versions/default/PresetReverbEffect.h b/audio/effect/all-versions/default/PresetReverbEffect.h
index eb55e20..9d82c08 100644
--- a/audio/effect/all-versions/default/PresetReverbEffect.h
+++ b/audio/effect/all-versions/default/PresetReverbEffect.h
@@ -39,7 +39,7 @@
 using ::android::hardware::hidl_vec;
 using ::android::hardware::Return;
 using ::android::hardware::Void;
-using namespace ::android::hardware::audio::common::CPP_VERSION;
+using namespace ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION;
 using namespace ::android::hardware::audio::effect::CPP_VERSION;
 
 struct PresetReverbEffect : public IPresetReverbEffect {
diff --git a/audio/effect/all-versions/default/VirtualizerEffect.cpp b/audio/effect/all-versions/default/VirtualizerEffect.cpp
index 1dce181..6efc4ea 100644
--- a/audio/effect/all-versions/default/VirtualizerEffect.cpp
+++ b/audio/effect/all-versions/default/VirtualizerEffect.cpp
@@ -34,7 +34,7 @@
 namespace CPP_VERSION {
 namespace implementation {
 
-using ::android::hardware::audio::common::CPP_VERSION::implementation::HidlUtils;
+using ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION::implementation::HidlUtils;
 
 VirtualizerEffect::VirtualizerEffect(effect_handle_t handle)
     : mEffect(new Effect(false /*isInput*/, handle)) {}
diff --git a/audio/effect/all-versions/default/VirtualizerEffect.h b/audio/effect/all-versions/default/VirtualizerEffect.h
index 3ed06d1..f26e4fa 100644
--- a/audio/effect/all-versions/default/VirtualizerEffect.h
+++ b/audio/effect/all-versions/default/VirtualizerEffect.h
@@ -40,9 +40,10 @@
 using ::android::hardware::Return;
 using ::android::hardware::Void;
 #if MAJOR_VERSION <= 6
-using ::android::hardware::audio::common::CPP_VERSION::implementation::AudioChannelBitfield;
+using ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION::implementation::
+        AudioChannelBitfield;
 #endif
-using namespace ::android::hardware::audio::common::CPP_VERSION;
+using namespace ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION;
 using namespace ::android::hardware::audio::effect::CPP_VERSION;
 
 struct VirtualizerEffect : public IVirtualizerEffect {
diff --git a/audio/effect/all-versions/default/VisualizerEffect.h b/audio/effect/all-versions/default/VisualizerEffect.h
index 3ae4b08..b8424c4 100644
--- a/audio/effect/all-versions/default/VisualizerEffect.h
+++ b/audio/effect/all-versions/default/VisualizerEffect.h
@@ -39,7 +39,7 @@
 using ::android::hardware::hidl_vec;
 using ::android::hardware::Return;
 using ::android::hardware::Void;
-using namespace ::android::hardware::audio::common::CPP_VERSION;
+using namespace ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION;
 using namespace ::android::hardware::audio::effect::CPP_VERSION;
 
 struct VisualizerEffect : public IVisualizerEffect {
diff --git a/audio/effect/all-versions/default/util/EffectUtils.cpp b/audio/effect/all-versions/default/util/EffectUtils.cpp
index 1156d21..296f84d 100644
--- a/audio/effect/all-versions/default/util/EffectUtils.cpp
+++ b/audio/effect/all-versions/default/util/EffectUtils.cpp
@@ -25,8 +25,8 @@
 
 #include "util/EffectUtils.h"
 
-using ::android::hardware::audio::common::CPP_VERSION::implementation::HidlUtils;
-using ::android::hardware::audio::common::CPP_VERSION::implementation::UuidUtils;
+using ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION::implementation::HidlUtils;
+using ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION::implementation::UuidUtils;
 using ::android::hardware::audio::common::utils::EnumBitfield;
 
 namespace android {
@@ -36,7 +36,7 @@
 namespace CPP_VERSION {
 namespace implementation {
 
-using namespace ::android::hardware::audio::common::CPP_VERSION;
+using namespace ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION;
 
 #define CONVERT_CHECKED(expr, result)                   \
     if (status_t status = (expr); status != NO_ERROR) { \
diff --git a/audio/effect/all-versions/default/util/tests/effectutils_tests.cpp b/audio/effect/all-versions/default/util/tests/effectutils_tests.cpp
index d021fa0..adfa167 100644
--- a/audio/effect/all-versions/default/util/tests/effectutils_tests.cpp
+++ b/audio/effect/all-versions/default/util/tests/effectutils_tests.cpp
@@ -27,7 +27,7 @@
 #include <xsdc/XsdcSupport.h>
 
 using namespace android;
-using namespace ::android::hardware::audio::common::CPP_VERSION;
+using namespace ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION;
 using namespace ::android::hardware::audio::effect::CPP_VERSION;
 using ::android::hardware::audio::effect::CPP_VERSION::implementation::EffectUtils;
 namespace xsd {
diff --git a/audio/effect/all-versions/vts/functional/VtsHalAudioEffectTargetTest.cpp b/audio/effect/all-versions/vts/functional/VtsHalAudioEffectTargetTest.cpp
index 23e7786..e59423f 100644
--- a/audio/effect/all-versions/vts/functional/VtsHalAudioEffectTargetTest.cpp
+++ b/audio/effect/all-versions/vts/functional/VtsHalAudioEffectTargetTest.cpp
@@ -50,7 +50,7 @@
 using ::android::hardware::audio::common::utils::mkEnumBitfield;
 using ::android::hidl::allocator::V1_0::IAllocator;
 using ::android::hidl::memory::V1_0::IMemory;
-using namespace ::android::hardware::audio::common::CPP_VERSION;
+using namespace ::android::hardware::audio::common::COMMON_TYPES_CPP_VERSION;
 using namespace ::android::hardware::audio::effect::CPP_VERSION;
 #if MAJOR_VERSION >= 7
 // Make an alias for enumerations generated from the APM config XSD.
diff --git a/bluetooth/audio/2.0/vts/OWNERS b/bluetooth/audio/2.0/vts/OWNERS
deleted file mode 100644
index b266b06..0000000
--- a/bluetooth/audio/2.0/vts/OWNERS
+++ /dev/null
@@ -1,3 +0,0 @@
-include platform/packages/modules/Bluetooth:/OWNERS
-
-cheneyni@google.com
diff --git a/bluetooth/audio/2.1/vts/OWNERS b/bluetooth/audio/2.1/vts/OWNERS
deleted file mode 100644
index b266b06..0000000
--- a/bluetooth/audio/2.1/vts/OWNERS
+++ /dev/null
@@ -1,3 +0,0 @@
-include platform/packages/modules/Bluetooth:/OWNERS
-
-cheneyni@google.com
diff --git a/bluetooth/audio/2.2/IBluetoothAudioProvider.hal b/bluetooth/audio/2.2/IBluetoothAudioProvider.hal
index f577537..7c91805 100644
--- a/bluetooth/audio/2.2/IBluetoothAudioProvider.hal
+++ b/bluetooth/audio/2.2/IBluetoothAudioProvider.hal
@@ -69,4 +69,12 @@
      *    encoding.
      */
     updateAudioConfiguration(AudioConfiguration audioConfig);
+
+    /**
+     * Called when the supported latency mode is updated.
+     *
+     * @param allowed If the peripheral devices can't keep up with low latency
+     * mode, the API will be called with supported is false.
+     */
+    setLowLatencyModeAllowed(bool allowed);
 };
diff --git a/bluetooth/audio/2.2/OWNERS b/bluetooth/audio/2.2/OWNERS
new file mode 100644
index 0000000..84f5b1e
--- /dev/null
+++ b/bluetooth/audio/2.2/OWNERS
@@ -0,0 +1,3 @@
+aliceypkuo@google.com
+ugoyu@google.com
+sattiraju@google.com
diff --git a/bluetooth/audio/2.2/default/BluetoothAudioProvider.cpp b/bluetooth/audio/2.2/default/BluetoothAudioProvider.cpp
index 202cfb9..62511e9 100644
--- a/bluetooth/audio/2.2/default/BluetoothAudioProvider.cpp
+++ b/bluetooth/audio/2.2/default/BluetoothAudioProvider.cpp
@@ -209,6 +209,18 @@
   return Void();
 }
 
+Return<void> BluetoothAudioProvider::setLowLatencyModeAllowed(bool allowed) {
+  LOG(INFO) << __func__ << " - SessionType=" << toString(session_type_);
+
+  if (stack_iface_ == nullptr) {
+    LOG(INFO) << __func__ << " - SessionType=" << toString(session_type_)
+              << " has NO session";
+    return Void();
+  }
+  LOG(INFO) << __func__ << " allowed: " << allowed;
+  return Void();
+}
+
 }  // namespace implementation
 }  // namespace V2_2
 }  // namespace audio
diff --git a/bluetooth/audio/2.2/default/BluetoothAudioProvider.h b/bluetooth/audio/2.2/default/BluetoothAudioProvider.h
index 425ea3b..90c158e 100644
--- a/bluetooth/audio/2.2/default/BluetoothAudioProvider.h
+++ b/bluetooth/audio/2.2/default/BluetoothAudioProvider.h
@@ -56,6 +56,8 @@
   Return<void> updateAudioConfiguration(
       const AudioConfiguration& audioConfig) override;
 
+  Return<void> setLowLatencyModeAllowed(bool allowed) override;
+
  protected:
   sp<BluetoothAudioDeathRecipient> death_recipient_;
 
diff --git a/bluetooth/audio/aidl/default/OWNERS b/bluetooth/audio/OWNERS
similarity index 98%
rename from bluetooth/audio/aidl/default/OWNERS
rename to bluetooth/audio/OWNERS
index 17ea464..a8e9bda 100644
--- a/bluetooth/audio/aidl/default/OWNERS
+++ b/bluetooth/audio/OWNERS
@@ -1,4 +1,4 @@
 include platform/packages/modules/Bluetooth:/OWNERS
 
 cheneyni@google.com
-aliceypkuo@google.com
\ No newline at end of file
+aliceypkuo@google.com
diff --git a/bluetooth/audio/aidl/Android.bp b/bluetooth/audio/aidl/Android.bp
index 5107240..52671b8 100644
--- a/bluetooth/audio/aidl/Android.bp
+++ b/bluetooth/audio/aidl/Android.bp
@@ -47,6 +47,7 @@
                 "//apex_available:platform",
                 "com.android.bluetooth",
             ],
+            min_sdk_version: "31",
         },
     },
 }
diff --git a/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/IBluetoothAudioPort.aidl b/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/IBluetoothAudioPort.aidl
index 9a1557a..cc3c641 100644
--- a/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/IBluetoothAudioPort.aidl
+++ b/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/IBluetoothAudioPort.aidl
@@ -40,4 +40,6 @@
   void suspendStream();
   void updateSourceMetadata(in android.hardware.audio.common.SourceMetadata sourceMetadata);
   void updateSinkMetadata(in android.hardware.audio.common.SinkMetadata sinkMetadata);
+  void setLatencyMode(in android.hardware.bluetooth.audio.LatencyMode latencyMode);
+  void setCodecType(in android.hardware.bluetooth.audio.CodecType codecType);
 }
diff --git a/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/LatencyMode.aidl b/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/LatencyMode.aidl
new file mode 100644
index 0000000..5583679
--- /dev/null
+++ b/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/LatencyMode.aidl
@@ -0,0 +1,40 @@
+/*
+ * Copyright 2022 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.bluetooth.audio;
+@Backing(type="int") @VintfStability
+enum LatencyMode {
+  UNKNOWN = 0,
+  LOW_LATENCY = 1,
+  FREE = 2,
+}
diff --git a/bluetooth/audio/aidl/android/hardware/bluetooth/audio/IBluetoothAudioPort.aidl b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/IBluetoothAudioPort.aidl
index 827f57d..81c2ce2 100644
--- a/bluetooth/audio/aidl/android/hardware/bluetooth/audio/IBluetoothAudioPort.aidl
+++ b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/IBluetoothAudioPort.aidl
@@ -18,6 +18,8 @@
 
 import android.hardware.audio.common.SinkMetadata;
 import android.hardware.audio.common.SourceMetadata;
+import android.hardware.bluetooth.audio.CodecType;
+import android.hardware.bluetooth.audio.LatencyMode;
 import android.hardware.bluetooth.audio.PresentationPosition;
 
 /**
@@ -78,4 +80,18 @@
      * @param sinkMetadata as passed from Audio Framework
      */
     void updateSinkMetadata(in SinkMetadata sinkMetadata);
+
+    /**
+     * Called when latency mode is changed.
+     *
+     * @param latencyMode latency mode from audio
+     */
+    void setLatencyMode(in LatencyMode latencyMode);
+
+    /**
+     * Called when codec type is changed.
+     *
+     * @param codecType codec type from audio
+     */
+    void setCodecType(in CodecType codecType);
 }
diff --git a/bluetooth/audio/aidl/android/hardware/bluetooth/audio/LatencyMode.aidl b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/LatencyMode.aidl
new file mode 100644
index 0000000..0c354f7
--- /dev/null
+++ b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/LatencyMode.aidl
@@ -0,0 +1,25 @@
+/*
+ * Copyright 2022 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.audio;
+
+@VintfStability
+@Backing(type="int")
+enum LatencyMode {
+    UNKNOWN,
+    LOW_LATENCY,
+    FREE,
+}
diff --git a/bluetooth/audio/aidl/vts/OWNERS b/bluetooth/audio/aidl/vts/OWNERS
deleted file mode 100644
index 17ea464..0000000
--- a/bluetooth/audio/aidl/vts/OWNERS
+++ /dev/null
@@ -1,4 +0,0 @@
-include platform/packages/modules/Bluetooth:/OWNERS
-
-cheneyni@google.com
-aliceypkuo@google.com
\ No newline at end of file
diff --git a/bluetooth/audio/utils/OWNERS b/bluetooth/audio/utils/OWNERS
deleted file mode 100644
index 17ea464..0000000
--- a/bluetooth/audio/utils/OWNERS
+++ /dev/null
@@ -1,4 +0,0 @@
-include platform/packages/modules/Bluetooth:/OWNERS
-
-cheneyni@google.com
-aliceypkuo@google.com
\ No newline at end of file
diff --git a/bluetooth/audio/utils/aidl_session/BluetoothAudioSession.cpp b/bluetooth/audio/utils/aidl_session/BluetoothAudioSession.cpp
index f626db8..96cd9ef 100644
--- a/bluetooth/audio/utils/aidl_session/BluetoothAudioSession.cpp
+++ b/bluetooth/audio/utils/aidl_session/BluetoothAudioSession.cpp
@@ -508,6 +508,36 @@
   }
 }
 
+void BluetoothAudioSession::SetLatencyMode(LatencyMode latency_mode) {
+  std::lock_guard<std::recursive_mutex> guard(mutex_);
+  if (!IsSessionReady()) {
+    LOG(DEBUG) << __func__ << " - SessionType=" << toString(session_type_)
+               << " has NO session";
+    return;
+  }
+
+  auto hal_retval = stack_iface_->setLatencyMode(latency_mode);
+  if (!hal_retval.isOk()) {
+    LOG(WARNING) << __func__ << " - IBluetoothAudioPort SessionType="
+                 << toString(session_type_) << " failed";
+  }
+}
+
+void BluetoothAudioSession::SetCodecType(CodecType codec_type) {
+  std::lock_guard<std::recursive_mutex> guard(mutex_);
+  if (!IsSessionReady()) {
+    LOG(DEBUG) << __func__ << " - SessionType=" << toString(session_type_)
+               << " has NO session";
+    return;
+  }
+
+  auto hal_retval = stack_iface_->setCodecType(codec_type);
+  if (!hal_retval.isOk()) {
+    LOG(WARNING) << __func__ << " - IBluetoothAudioPort SessionType="
+                 << toString(session_type_) << " failed";
+  }
+}
+
 bool BluetoothAudioSession::IsAidlAvailable() {
   if (is_aidl_checked) return is_aidl_available;
   is_aidl_available =
diff --git a/bluetooth/audio/utils/aidl_session/BluetoothAudioSession.h b/bluetooth/audio/utils/aidl_session/BluetoothAudioSession.h
index 73bc0f8..5adc0e2 100644
--- a/bluetooth/audio/utils/aidl_session/BluetoothAudioSession.h
+++ b/bluetooth/audio/utils/aidl_session/BluetoothAudioSession.h
@@ -20,6 +20,7 @@
 #include <aidl/android/hardware/audio/common/SourceMetadata.h>
 #include <aidl/android/hardware/bluetooth/audio/IBluetoothAudioProvider.h>
 #include <aidl/android/hardware/bluetooth/audio/IBluetoothAudioProviderFactory.h>
+#include <aidl/android/hardware/bluetooth/audio/LatencyMode.h>
 #include <aidl/android/hardware/bluetooth/audio/SessionType.h>
 #include <fmq/AidlMessageQueue.h>
 #include <hardware/audio.h>
@@ -164,6 +165,8 @@
   bool GetPresentationPosition(PresentationPosition& presentation_position);
   void UpdateSourceMetadata(const struct source_metadata& source_metadata);
   void UpdateSinkMetadata(const struct sink_metadata& sink_metadata);
+  void SetLatencyMode(LatencyMode latency_mode);
+  void SetCodecType(CodecType codec_type);
 
   // The control function writes stream to FMQ
   size_t OutWritePcmData(const void* buffer, size_t bytes);
diff --git a/common/aidl/Android.bp b/common/aidl/Android.bp
index 028c923..549d970 100644
--- a/common/aidl/Android.bp
+++ b/common/aidl/Android.bp
@@ -30,6 +30,7 @@
         ndk: {
             apex_available: [
                 "//apex_available:platform",
+                "com.android.bluetooth",
                 "com.android.media.swcodec",
                 "com.android.neuralnetworks",
             ],
diff --git a/common/fmq/aidl/Android.bp b/common/fmq/aidl/Android.bp
index 842a75f..6fd4200 100644
--- a/common/fmq/aidl/Android.bp
+++ b/common/fmq/aidl/Android.bp
@@ -29,6 +29,13 @@
         cpp: {
             enabled: false,
         },
+        ndk: {
+            apex_available: [
+                "//apex_available:platform",
+                "com.android.bluetooth",
+            ],
+            min_sdk_version: "29",
+        },
     },
     versions: ["1"],
 }
diff --git a/compatibility_matrices/compatibility_matrix.current.xml b/compatibility_matrices/compatibility_matrix.current.xml
index f751efc..b65b159 100644
--- a/compatibility_matrices/compatibility_matrix.current.xml
+++ b/compatibility_matrices/compatibility_matrix.current.xml
@@ -10,7 +10,7 @@
     <hal format="hidl" optional="false">
         <name>android.hardware.audio</name>
         <version>6.0</version>
-        <version>7.0</version>
+        <version>7.0-1</version>
         <interface>
             <name>IDevicesFactory</name>
             <instance>default</instance>
diff --git a/graphics/OWNERS b/graphics/OWNERS
new file mode 100644
index 0000000..75ceb23
--- /dev/null
+++ b/graphics/OWNERS
@@ -0,0 +1,9 @@
+# Bug component: 1075130
+
+# Graphics team
+adyabr@google.com
+alecmouri@google.com
+chrisforbes@google.com
+jreck@google.com
+lpy@google.com
+sumir@google.com
\ No newline at end of file
diff --git a/radio/1.0/Android.bp b/radio/1.0/Android.bp
index cd64bca..8d0d782 100644
--- a/radio/1.0/Android.bp
+++ b/radio/1.0/Android.bp
@@ -23,5 +23,9 @@
     interfaces: [
         "android.hidl.base@1.0",
     ],
+    apex_available: [
+        "//apex_available:platform",
+        "com.android.bluetooth",
+    ],
     gen_java: true,
 }
diff --git a/radio/aidl/vts/radio_network_test.cpp b/radio/aidl/vts/radio_network_test.cpp
index 391d63c..e1d508d 100644
--- a/radio/aidl/vts/radio_network_test.cpp
+++ b/radio/aidl/vts/radio_network_test.cpp
@@ -264,11 +264,16 @@
             [&](int serial) { return radio_network->setUsageSetting(serial, originalSetting); },
             {RadioError::NONE});
 
+    // After resetting the value to its original value, update the local cache, which must
+    // always succeed.
+    invokeAndExpectResponse([&](int serial) { return radio_network->getUsageSetting(serial); },
+                            {RadioError::NONE});
+
     // Check that indeed the updated setting was set. We do this after resetting to original
     // conditions to avoid early-exiting the test and leaving the device in a modified state.
-    ASSERT_TRUE(expectedSetting == updatedSetting);
+    EXPECT_EQ(expectedSetting, updatedSetting);
     // Check that indeed the original setting was reset.
-    ASSERT_TRUE(originalSetting == radioRsp_network->usageSetting);
+    EXPECT_EQ(originalSetting, radioRsp_network->usageSetting);
 }
 
 /*
@@ -1728,4 +1733,4 @@
                  RadioError::PASSWORD_INCORRECT, RadioError::SIM_ABSENT, RadioError::SYSTEM_ERR}));
     }
     LOG(DEBUG) << "supplyNetworkDepersonalization finished";
-}
\ No newline at end of file
+}
diff --git a/security/keymint/aidl/android/hardware/security/keymint/DeviceInfo.aidl b/security/keymint/aidl/android/hardware/security/keymint/DeviceInfo.aidl
index 180f191..abb2a7b 100644
--- a/security/keymint/aidl/android/hardware/security/keymint/DeviceInfo.aidl
+++ b/security/keymint/aidl/android/hardware/security/keymint/DeviceInfo.aidl
@@ -27,7 +27,9 @@
 @VintfStability
 parcelable DeviceInfo {
     /**
-     * DeviceInfo is a CBOR Map structure described by the following CDDL.
+     * DeviceInfo is a CBOR Map structure described by the following CDDL. DeviceInfo must be
+     * canonicalized according to the specification in RFC 7049. The ordering presented here is
+     * non-canonical to group similar entries semantically.
      *
      *     DeviceInfo = {
      *         "brand" : tstr,
diff --git a/security/keymint/aidl/android/hardware/security/keymint/MacedPublicKey.aidl b/security/keymint/aidl/android/hardware/security/keymint/MacedPublicKey.aidl
index 62a48e9..ad97443 100644
--- a/security/keymint/aidl/android/hardware/security/keymint/MacedPublicKey.aidl
+++ b/security/keymint/aidl/android/hardware/security/keymint/MacedPublicKey.aidl
@@ -37,10 +37,10 @@
      *
      *     PublicKey = {               // COSE_Key
      *         1 : 2,                  // Key type : EC2
-     *         3 : -8                  // Algorithm : ES256
-     *         -1 : 6,                 // Curve : P256
-     *         -2 : bstr               // X coordinate, little-endian
-     *         -3 : bstr               // Y coordinate, little-endian
+     *         3 : -7,                 // Algorithm : ES256
+     *         -1 : 1,                 // Curve : P256
+     *         -2 : bstr,              // X coordinate, little-endian
+     *         -3 : bstr,              // Y coordinate, little-endian
      *         ? -70000 : nil          // Presence indicates this is a test key.  If set, K_mac is
      *                                 // all zeros.
      *     },
diff --git a/security/keymint/aidl/vts/functional/VtsRemotelyProvisionedComponentTests.cpp b/security/keymint/aidl/vts/functional/VtsRemotelyProvisionedComponentTests.cpp
index 7e1b65c..e2d75ce 100644
--- a/security/keymint/aidl/vts/functional/VtsRemotelyProvisionedComponentTests.cpp
+++ b/security/keymint/aidl/vts/functional/VtsRemotelyProvisionedComponentTests.cpp
@@ -422,7 +422,7 @@
         ASSERT_TRUE(deviceInfoMap) << "Failed to parse deviceInfo: " << deviceInfoErrMsg;
         ASSERT_TRUE(deviceInfoMap->asMap());
 
-        checkDeviceInfo(deviceInfoMap->asMap());
+        checkDeviceInfo(deviceInfoMap->asMap(), deviceInfo.deviceInfo);
 
         auto& signingKey = bccContents->back().pubKey;
         auto macKey = verifyAndParseCoseSign1(signedMac->asArray(), signingKey,
@@ -466,7 +466,7 @@
         }
     }
 
-    void checkDeviceInfo(const cppbor::Map* deviceInfo) {
+    void checkDeviceInfo(const cppbor::Map* deviceInfo, bytevec deviceInfoBytes) {
         const auto& version = deviceInfo->get("version");
         ASSERT_TRUE(version);
         ASSERT_TRUE(version->asUint());
@@ -520,6 +520,8 @@
             default:
                 FAIL() << "Unrecognized version: " << version->asUint()->value();
         }
+        ASSERT_EQ(deviceInfo->clone()->asMap()->canonicalize().encode(), deviceInfoBytes)
+                << "DeviceInfo ordering is non-canonical.";
     }
 
     bytevec eekId_;