diff --git a/audio/7.1/Android.bp b/audio/7.1/Android.bp
index d0d96b6..52980e2 100644
--- a/audio/7.1/Android.bp
+++ b/audio/7.1/Android.bp
@@ -13,11 +13,13 @@
     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",
diff --git a/audio/7.1/IDevice.hal b/audio/7.1/IDevice.hal
index 373d17f..e0b1e92 100644
--- a/audio/7.1/IDevice.hal
+++ b/audio/7.1/IDevice.hal
@@ -85,4 +85,16 @@
                     Result retval,
                     IStreamIn inStream,
                     AudioConfig suggestedConfig);
+
+    /**
+     * Notifies the device module about the connection state of an input/output
+     * device attached to it. The devicePort identifies the device and may also
+     * provide extra information such as raw audio descriptors.
+     *
+     * @param devicePort audio device port.
+     * @param connected whether the device is connected.
+     * @return retval operation completion status.
+     */
+    setConnectedState_7_1(AudioPort devicePort, bool connected)
+            generates (Result retval);
 };
diff --git a/audio/7.1/IStreamOut.hal b/audio/7.1/IStreamOut.hal
index 092a9a0..b2013cf 100644
--- a/audio/7.1/IStreamOut.hal
+++ b/audio/7.1/IStreamOut.hal
@@ -16,7 +16,54 @@
 
 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/api/current.txt b/audio/7.1/config/api/current.txt
index 01c2e4b..2963904 100644
--- a/audio/7.1/config/api/current.txt
+++ b/audio/7.1/config/api/current.txt
@@ -62,6 +62,8 @@
     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;
@@ -125,6 +127,7 @@
     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;
@@ -284,6 +287,7 @@
     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;
@@ -458,6 +462,7 @@
     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 long getRecommendedMuteDurationMs();
     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);
@@ -465,6 +470,7 @@
     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 setRecommendedMuteDurationMs(@Nullable long);
     method public void setRole(@Nullable android.audio.policy.configuration.V7_1.Role);
   }
 
diff --git a/audio/7.1/config/audio_policy_configuration.xsd b/audio/7.1/config/audio_policy_configuration.xsd
index 731bb7c..414552e 100644
--- a/audio/7.1/config/audio_policy_configuration.xsd
+++ b/audio/7.1/config/audio_policy_configuration.xsd
@@ -179,6 +179,7 @@
             <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" />
@@ -225,6 +226,7 @@
                              </xs:documentation>
                         </xs:annotation>
                     </xs:attribute>
+                    <xs:attribute name="recommendedMuteDurationMs" type="xs:unsignedInt"/>
                 </xs:complexType>
                 <xs:unique name="mixPortProfileUniqueness">
                     <xs:selector xpath="profile"/>
@@ -276,6 +278,7 @@
             <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"/>
 
@@ -510,6 +513,8 @@
             <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"/>
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/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
index 815f869..6f6a0ca 100644
--- 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
@@ -97,10 +97,12 @@
         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:
@@ -170,6 +172,7 @@
         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;
diff --git a/audio/core/all-versions/default/Device.cpp b/audio/core/all-versions/default/Device.cpp
index ac5a3ba..ca8c03d 100644
--- a/audio/core/all-versions/default/Device.cpp
+++ b/audio/core/all-versions/default/Device.cpp
@@ -616,6 +616,21 @@
 
 #endif
 
+#if MAJOR_VERSION == 7 && MINOR_VERSION == 1
+Return<Result> Device::setConnectedState_7_1(const AudioPort& devicePort, bool connected) {
+    if (version() >= AUDIO_DEVICE_API_VERSION_3_2 &&
+        mDevice->set_device_connected_state_v7 != nullptr) {
+        audio_port_v7 halPort;
+        if (status_t status = HidlUtils::audioPortToHal(devicePort, &halPort); status != NO_ERROR) {
+            return analyzeStatus("audioPortToHal", status);
+        }
+        return analyzeStatus("set_device_connected_state_v7",
+                             mDevice->set_device_connected_state_v7(mDevice, &halPort, connected));
+    }
+    return Result::NOT_SUPPORTED;
+}
+#endif
+
 }  // namespace implementation
 }  // namespace CPP_VERSION
 }  // namespace audio
diff --git a/audio/core/all-versions/default/StreamOut.cpp b/audio/core/all-versions/default/StreamOut.cpp
index d4a89d7..09df4ed 100644
--- a/audio/core/all-versions/default/StreamOut.cpp
+++ b/audio/core/all-versions/default/StreamOut.cpp
@@ -761,6 +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 0aeb6b3..8cde3e0 100644
--- a/audio/core/all-versions/default/include/core/default/Device.h
+++ b/audio/core/all-versions/default/include/core/default/Device.h
@@ -163,6 +163,9 @@
                                   const hidl_vec<AudioPortConfig>& sinks,
                                   createAudioPatch_cb _hidl_cb) override;
 #endif
+#if MAJOR_VERSION == 7 && MINOR_VERSION == 1
+    Return<Result> setConnectedState_7_1(const AudioPort& devicePort, bool connected) override;
+#endif
     Return<void> debug(const hidl_handle& fd, const hidl_vec<hidl_string>& options) override;
 
     // Utility methods for extending interfaces.
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 60ad5d5..ce5253f 100644
--- a/audio/core/all-versions/default/include/core/default/StreamOut.h
+++ b/audio/core/all-versions/default/include/core/default/StreamOut.h
@@ -153,6 +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
 
@@ -163,6 +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;
@@ -177,6 +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/vts/functional/7.1/AudioPrimaryHidlHalTest.cpp b/audio/core/all-versions/vts/functional/7.1/AudioPrimaryHidlHalTest.cpp
index b750f56..d82d4ad 100644
--- a/audio/core/all-versions/vts/functional/7.1/AudioPrimaryHidlHalTest.cpp
+++ b/audio/core/all-versions/vts/functional/7.1/AudioPrimaryHidlHalTest.cpp
@@ -16,3 +16,34 @@
 
 // pull in all the <= 7.0 tests
 #include "7.0/AudioPrimaryHidlHalTest.cpp"
+
+TEST_P(AudioHidlDeviceTest, SetConnectedState_7_1) {
+    doc::test("Check that the HAL can be notified of device connection and disconnection");
+    using AD = xsd::AudioDevice;
+    for (auto deviceType : {AD::AUDIO_DEVICE_OUT_HDMI, AD::AUDIO_DEVICE_OUT_WIRED_HEADPHONE,
+                            AD::AUDIO_DEVICE_IN_USB_HEADSET}) {
+        SCOPED_TRACE("device=" + toString(deviceType));
+        for (bool state : {true, false}) {
+            SCOPED_TRACE("state=" + ::testing::PrintToString(state));
+            DeviceAddress address = {};
+            address.deviceType = toString(deviceType);
+            if (deviceType == AD::AUDIO_DEVICE_IN_USB_HEADSET) {
+                address.address.alsa({0, 0});
+            }
+            AudioPort devicePort;
+            devicePort.ext.device(address);
+            auto ret = getDevice()->setConnectedState_7_1(devicePort, state);
+            ASSERT_TRUE(ret.isOk());
+            if (ret == Result::NOT_SUPPORTED) {
+                doc::partialTest("setConnectedState_7_1 is not supported");
+                break;  // other deviceType might be supported
+            }
+            ASSERT_OK(ret);
+        }
+    }
+
+    // Because there is no way of knowing if the devices were connected before
+    // calling setConnectedState, there is no way to restore the HAL to its
+    // initial state. To workaround this, destroy the HAL at the end of this test.
+    ASSERT_TRUE(resetDevice());
+}
diff --git a/automotive/evs/1.1/default/Android.bp b/automotive/evs/1.1/default/Android.bp
index ea1851f..4c08ef3 100644
--- a/automotive/evs/1.1/default/Android.bp
+++ b/automotive/evs/1.1/default/Android.bp
@@ -13,48 +13,46 @@
     proprietary: true,
     relative_install_path: "hw",
     srcs: [
-        "service.cpp",
-        "EvsCamera.cpp",
-        "EvsEnumerator.cpp",
-        "EvsDisplay.cpp",
-        "ConfigManager.cpp",
-        "ConfigManagerUtil.cpp",
-        "EvsUltrasonicsArray.cpp",
+        "*.cpp",
     ],
     init_rc: ["android.hardware.automotive.evs@1.1-service.rc"],
-
     shared_libs: [
+        "android.frameworks.automotive.display@1.0",
         "android.hardware.automotive.evs@1.0",
         "android.hardware.automotive.evs@1.1",
         "android.hardware.camera.device@3.3",
+        "android.hardware.graphics.bufferqueue@1.0",
+        "android.hardware.graphics.bufferqueue@2.0",
         "android.hidl.allocator@1.0",
         "android.hidl.memory@1.0",
+        "android.hidl.token@1.0-utils",
+        "libEGL",
+        "libGLESv2",
         "libbase",
         "libbinder",
-        "liblog",
+        "libbufferqueueconverter",
+        "libcamera_metadata",
         "libhardware",
         "libhidlbase",
         "libhidlmemory",
         "liblog",
+        "libtinyxml2",
         "libui",
         "libutils",
-        "libcamera_metadata",
-        "libtinyxml2",
-        "android.hidl.token@1.0-utils",
-        "android.frameworks.automotive.display@1.0",
-        "android.hardware.graphics.bufferqueue@1.0",
-        "android.hardware.graphics.bufferqueue@2.0",
     ],
-
     cflags: [
         "-O0",
         "-g",
+        "-DLOG_TAG=\"MockEvsDriver\"",
+        "-DGL_GLEXT_PROTOTYPES",
+        "-DEGL_EGLEXT_PROTOTYPES",
     ],
-
+    include_dirs: [
+        "frameworks/native/include/",
+    ],
     required: [
         "evs_default_configuration.xml",
     ],
-
     vintf_fragments: [
         "manifest_android.hardware.automotive.evs@1.1-service.xml",
     ],
diff --git a/automotive/evs/1.1/default/ConfigManager.cpp b/automotive/evs/1.1/default/ConfigManager.cpp
index 986793e..ca8cfae 100644
--- a/automotive/evs/1.1/default/ConfigManager.cpp
+++ b/automotive/evs/1.1/default/ConfigManager.cpp
@@ -14,38 +14,40 @@
  * limitations under the License.
  */
 
-#include <sstream>
-#include <fstream>
-#include <thread>
-
-#include <hardware/gralloc.h>
-#include <utils/SystemClock.h>
-#include <android/hardware/camera/device/3.2/ICameraDevice.h>
-
 #include "ConfigManager.h"
 
-using ::android::hardware::camera::device::V3_2::StreamRotation;
+#include <android/hardware/camera/device/3.2/ICameraDevice.h>
+#include <hardware/gralloc.h>
+#include <utils/SystemClock.h>
 
+#include <fstream>
+#include <sstream>
+#include <thread>
+
+namespace android::hardware::automotive::evs::V1_1::implementation {
+
+using namespace std;
+using namespace tinyxml2;
+using hardware::camera::device::V3_2::StreamRotation;
 
 ConfigManager::~ConfigManager() {
     /* Nothing to do */
 }
 
-
-void ConfigManager::readCameraInfo(const XMLElement * const aCameraElem) {
+void ConfigManager::readCameraInfo(const XMLElement* const aCameraElem) {
     if (aCameraElem == nullptr) {
         ALOGW("XML file does not have required camera element");
         return;
     }
 
-    const XMLElement *curElem = aCameraElem->FirstChildElement();
+    const XMLElement* curElem = aCameraElem->FirstChildElement();
     while (curElem != nullptr) {
         if (!strcmp(curElem->Name(), "group")) {
             /* camera group identifier */
-            const char *id = curElem->FindAttribute("id")->Value();
+            const char* id = curElem->FindAttribute("id")->Value();
 
             /* create a camera group to be filled */
-            CameraGroupInfo *aCamera = new CameraGroupInfo();
+            CameraGroupInfo* aCamera = new CameraGroupInfo();
 
             /* read camera device information */
             if (!readCameraDeviceInfo(aCamera, curElem)) {
@@ -55,28 +57,26 @@
             }
 
             /* camera group synchronization */
-            const char *sync = curElem->FindAttribute("synchronized")->Value();
+            const char* sync = curElem->FindAttribute("synchronized")->Value();
             if (!strcmp(sync, "CALIBRATED")) {
-                aCamera->synchronized =
-                    ANDROID_LOGICAL_MULTI_CAMERA_SENSOR_SYNC_TYPE_CALIBRATED;
+                aCamera->synchronized = ANDROID_LOGICAL_MULTI_CAMERA_SENSOR_SYNC_TYPE_CALIBRATED;
             } else if (!strcmp(sync, "APPROXIMATE")) {
-                aCamera->synchronized =
-                    ANDROID_LOGICAL_MULTI_CAMERA_SENSOR_SYNC_TYPE_APPROXIMATE;
+                aCamera->synchronized = ANDROID_LOGICAL_MULTI_CAMERA_SENSOR_SYNC_TYPE_APPROXIMATE;
             } else {
-                aCamera->synchronized = 0; // Not synchronized
+                aCamera->synchronized = 0;  // Not synchronized
             }
 
             /* add a group to hash map */
             mCameraGroupInfos.insert_or_assign(id, unique_ptr<CameraGroupInfo>(aCamera));
         } else if (!strcmp(curElem->Name(), "device")) {
             /* camera unique identifier */
-            const char *id = curElem->FindAttribute("id")->Value();
+            const char* id = curElem->FindAttribute("id")->Value();
 
             /* camera mount location */
-            const char *pos = curElem->FindAttribute("position")->Value();
+            const char* pos = curElem->FindAttribute("position")->Value();
 
             /* create a camera device to be filled */
-            CameraInfo *aCamera = new CameraInfo();
+            CameraInfo* aCamera = new CameraInfo();
 
             /* read camera device information */
             if (!readCameraDeviceInfo(aCamera, curElem)) {
@@ -99,10 +99,7 @@
     }
 }
 
-
-bool
-ConfigManager::readCameraDeviceInfo(CameraInfo *aCamera,
-                                    const XMLElement *aDeviceElem) {
+bool ConfigManager::readCameraDeviceInfo(CameraInfo* aCamera, const XMLElement* aDeviceElem) {
     if (aCamera == nullptr || aDeviceElem == nullptr) {
         return false;
     }
@@ -113,16 +110,11 @@
 
     /* read device capabilities */
     totalEntries +=
-        readCameraCapabilities(aDeviceElem->FirstChildElement("caps"),
-                               aCamera,
-                               totalDataSize);
-
+            readCameraCapabilities(aDeviceElem->FirstChildElement("caps"), aCamera, totalDataSize);
 
     /* read camera metadata */
-    totalEntries +=
-        readCameraMetadata(aDeviceElem->FirstChildElement("characteristics"),
-                           aCamera,
-                           totalDataSize);
+    totalEntries += readCameraMetadata(aDeviceElem->FirstChildElement("characteristics"), aCamera,
+                                       totalDataSize);
 
     /* construct camera_metadata_t */
     if (!constructCameraMetadata(aCamera, totalEntries, totalDataSize)) {
@@ -133,40 +125,34 @@
     return true;
 }
 
-
-size_t
-ConfigManager::readCameraCapabilities(const XMLElement * const aCapElem,
-                                      CameraInfo *aCamera,
-                                      size_t &dataSize) {
+size_t ConfigManager::readCameraCapabilities(const XMLElement* const aCapElem, CameraInfo* aCamera,
+                                             size_t& dataSize) {
     if (aCapElem == nullptr || aCamera == nullptr) {
         return 0;
     }
 
     string token;
-    const XMLElement *curElem = nullptr;
+    const XMLElement* curElem = nullptr;
 
     /* a list of supported camera parameters/controls */
     curElem = aCapElem->FirstChildElement("supported_controls");
     if (curElem != nullptr) {
-        const XMLElement *ctrlElem = curElem->FirstChildElement("control");
+        const XMLElement* ctrlElem = curElem->FirstChildElement("control");
         while (ctrlElem != nullptr) {
-            const char *nameAttr = ctrlElem->FindAttribute("name")->Value();;
+            const char* nameAttr = ctrlElem->FindAttribute("name")->Value();
+            ;
             const int32_t minVal = stoi(ctrlElem->FindAttribute("min")->Value());
             const int32_t maxVal = stoi(ctrlElem->FindAttribute("max")->Value());
 
             int32_t stepVal = 1;
-            const XMLAttribute *stepAttr = ctrlElem->FindAttribute("step");
+            const XMLAttribute* stepAttr = ctrlElem->FindAttribute("step");
             if (stepAttr != nullptr) {
                 stepVal = stoi(stepAttr->Value());
             }
 
             CameraParam aParam;
-            if (ConfigManagerUtil::convertToEvsCameraParam(nameAttr,
-                                                           aParam)) {
-                aCamera->controls.emplace(
-                    aParam,
-                    make_tuple(minVal, maxVal, stepVal)
-                );
+            if (ConfigManagerUtil::convertToEvsCameraParam(nameAttr, aParam)) {
+                aCamera->controls.emplace(aParam, make_tuple(minVal, maxVal, stepVal));
             }
 
             ctrlElem = ctrlElem->NextSiblingElement("control");
@@ -177,11 +163,11 @@
     curElem = aCapElem->FirstChildElement("stream");
     while (curElem != nullptr) {
         /* read 5 attributes */
-        const XMLAttribute *idAttr     = curElem->FindAttribute("id");
-        const XMLAttribute *widthAttr  = curElem->FindAttribute("width");
-        const XMLAttribute *heightAttr = curElem->FindAttribute("height");
-        const XMLAttribute *fmtAttr    = curElem->FindAttribute("format");
-        const XMLAttribute *fpsAttr    = curElem->FindAttribute("framerate");
+        const XMLAttribute* idAttr = curElem->FindAttribute("id");
+        const XMLAttribute* widthAttr = curElem->FindAttribute("width");
+        const XMLAttribute* heightAttr = curElem->FindAttribute("height");
+        const XMLAttribute* fmtAttr = curElem->FindAttribute("format");
+        const XMLAttribute* fpsAttr = curElem->FindAttribute("framerate");
 
         const int32_t id = stoi(idAttr->Value());
         int32_t framerate = 0;
@@ -190,16 +176,13 @@
         }
 
         int32_t pixFormat;
-        if (ConfigManagerUtil::convertToPixelFormat(fmtAttr->Value(),
-                                                    pixFormat)) {
-            RawStreamConfiguration cfg = {
-                id,
-                stoi(widthAttr->Value()),
-                stoi(heightAttr->Value()),
-                pixFormat,
-                ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS_OUTPUT,
-                framerate
-            };
+        if (ConfigManagerUtil::convertToPixelFormat(fmtAttr->Value(), pixFormat)) {
+            RawStreamConfiguration cfg = {id,
+                                          stoi(widthAttr->Value()),
+                                          stoi(heightAttr->Value()),
+                                          pixFormat,
+                                          ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS_OUTPUT,
+                                          framerate};
             aCamera->streamConfigurations.insert_or_assign(id, cfg);
         }
 
@@ -207,70 +190,58 @@
     }
 
     dataSize = calculate_camera_metadata_entry_data_size(
-                   get_camera_metadata_tag_type(
-                       ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS
-                   ),
-                   aCamera->streamConfigurations.size() * kStreamCfgSz
-               );
+            get_camera_metadata_tag_type(ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS),
+            aCamera->streamConfigurations.size() * kStreamCfgSz);
 
     /* a single camera metadata entry contains multiple stream configurations */
     return dataSize > 0 ? 1 : 0;
 }
 
-
-size_t
-ConfigManager::readCameraMetadata(const XMLElement * const aParamElem,
-                                  CameraInfo *aCamera,
-                                  size_t &dataSize) {
+size_t ConfigManager::readCameraMetadata(const XMLElement* const aParamElem, CameraInfo* aCamera,
+                                         size_t& dataSize) {
     if (aParamElem == nullptr || aCamera == nullptr) {
         return 0;
     }
 
-    const XMLElement *curElem = aParamElem->FirstChildElement("parameter");
+    const XMLElement* curElem = aParamElem->FirstChildElement("parameter");
     size_t numEntries = 0;
     camera_metadata_tag_t tag;
     while (curElem != nullptr) {
         if (!ConfigManagerUtil::convertToMetadataTag(curElem->FindAttribute("name")->Value(),
                                                      tag)) {
-            switch(tag) {
+            switch (tag) {
                 case ANDROID_LENS_DISTORTION:
                 case ANDROID_LENS_POSE_ROTATION:
                 case ANDROID_LENS_POSE_TRANSLATION:
                 case ANDROID_LENS_INTRINSIC_CALIBRATION: {
                     /* float[] */
                     size_t count = 0;
-                    void   *data = ConfigManagerUtil::convertFloatArray(
-                                        curElem->FindAttribute("size")->Value(),
-                                        curElem->FindAttribute("value")->Value(),
-                                        count
-                                   );
+                    void* data = ConfigManagerUtil::convertFloatArray(
+                            curElem->FindAttribute("size")->Value(),
+                            curElem->FindAttribute("value")->Value(), count);
 
                     aCamera->cameraMetadata.insert_or_assign(
-                        tag, make_pair(make_unique<void *>(data), count)
-                    );
+                            tag, make_pair(make_unique<void*>(data), count));
 
                     ++numEntries;
                     dataSize += calculate_camera_metadata_entry_data_size(
-                                    get_camera_metadata_tag_type(tag), count
-                                );
+                            get_camera_metadata_tag_type(tag), count);
 
                     break;
                 }
 
                 case ANDROID_REQUEST_AVAILABLE_CAPABILITIES: {
-                    camera_metadata_enum_android_request_available_capabilities_t *data =
-                        new camera_metadata_enum_android_request_available_capabilities_t[1];
+                    camera_metadata_enum_android_request_available_capabilities_t* data =
+                            new camera_metadata_enum_android_request_available_capabilities_t[1];
                     if (ConfigManagerUtil::convertToCameraCapability(
-                            curElem->FindAttribute("value")->Value(), *data)) {
-                                        curElem->FindAttribute("value")->Value(),
-                        aCamera->cameraMetadata.insert_or_assign(
-                            tag, make_pair(make_unique<void *>(data), 1)
-                        );
+                                curElem->FindAttribute("value")->Value(), *data)) {
+                        curElem->FindAttribute("value")->Value(),
+                                aCamera->cameraMetadata.insert_or_assign(
+                                        tag, make_pair(make_unique<void*>(data), 1));
 
                         ++numEntries;
                         dataSize += calculate_camera_metadata_entry_data_size(
-                                        get_camera_metadata_tag_type(tag), 1
-                                    );
+                                get_camera_metadata_tag_type(tag), 1);
                     }
                     break;
                 }
@@ -278,13 +249,11 @@
                 case ANDROID_LOGICAL_MULTI_CAMERA_PHYSICAL_IDS: {
                     /* a comma-separated list of physical camera devices */
                     size_t len = strlen(curElem->FindAttribute("value")->Value());
-                    char *data = new char[len + 1];
-                    memcpy(data,
-                           curElem->FindAttribute("value")->Value(),
-                           len * sizeof(char));
+                    char* data = new char[len + 1];
+                    memcpy(data, curElem->FindAttribute("value")->Value(), len * sizeof(char));
 
                     /* replace commas with null char */
-                    char *p = data;
+                    char* p = data;
                     while (*p != '\0') {
                         if (*p == ',') {
                             *p = '\0';
@@ -293,19 +262,16 @@
                     }
 
                     aCamera->cameraMetadata.insert_or_assign(
-                        tag, make_pair(make_unique<void *>(data), len)
-                    );
+                            tag, make_pair(make_unique<void*>(data), len));
 
                     ++numEntries;
                     dataSize += calculate_camera_metadata_entry_data_size(
-                                    get_camera_metadata_tag_type(tag), len
-                                );
+                            get_camera_metadata_tag_type(tag), len);
                     break;
                 }
 
                 default:
-                    ALOGW("Parameter %s is not supported",
-                          curElem->FindAttribute("name")->Value());
+                    ALOGW("Parameter %s is not supported", curElem->FindAttribute("name")->Value());
                     break;
             }
         }
@@ -316,11 +282,8 @@
     return numEntries;
 }
 
-
-bool
-ConfigManager::constructCameraMetadata(CameraInfo *aCamera,
-                                       const size_t totalEntries,
-                                       const size_t totalDataSize) {
+bool ConfigManager::constructCameraMetadata(CameraInfo* aCamera, const size_t totalEntries,
+                                            const size_t totalDataSize) {
     if (aCamera == nullptr || !aCamera->allocate(totalEntries, totalDataSize)) {
         ALOGE("Failed to allocate memory for camera metadata");
         return false;
@@ -328,16 +291,15 @@
 
     const size_t numStreamConfigs = aCamera->streamConfigurations.size();
     unique_ptr<int32_t[]> data(new int32_t[kStreamCfgSz * numStreamConfigs]);
-    int32_t *ptr = data.get();
-    for (auto &cfg : aCamera->streamConfigurations) {
+    int32_t* ptr = data.get();
+    for (auto& cfg : aCamera->streamConfigurations) {
         for (auto i = 0; i < kStreamCfgSz; ++i) {
-          *ptr++ = cfg.second[i];
+            *ptr++ = cfg.second[i];
         }
     }
     int32_t err = add_camera_metadata_entry(aCamera->characteristics,
                                             ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS,
-                                            data.get(),
-                                            numStreamConfigs * kStreamCfgSz);
+                                            data.get(), numStreamConfigs * kStreamCfgSz);
 
     if (err) {
         ALOGE("Failed to add stream configurations to metadata, ignored");
@@ -345,11 +307,9 @@
     }
 
     bool success = true;
-    for (auto &[tag, entry] : aCamera->cameraMetadata) {
+    for (auto& [tag, entry] : aCamera->cameraMetadata) {
         /* try to add new camera metadata entry */
-        int32_t err = add_camera_metadata_entry(aCamera->characteristics,
-                                                tag,
-                                                entry.first.get(),
+        int32_t err = add_camera_metadata_entry(aCamera->characteristics, tag, entry.first.get(),
                                                 entry.second);
         if (err) {
             ALOGE("Failed to add an entry with a tag 0x%X", tag);
@@ -376,8 +336,7 @@
     return success;
 }
 
-
-void ConfigManager::readSystemInfo(const XMLElement * const aSysElem) {
+void ConfigManager::readSystemInfo(const XMLElement* const aSysElem) {
     if (aSysElem == nullptr) {
         return;
     }
@@ -389,24 +348,22 @@
      */
 
     /* read number of cameras available in the system */
-    const XMLElement *xmlElem = aSysElem->FirstChildElement("num_cameras");
+    const XMLElement* xmlElem = aSysElem->FirstChildElement("num_cameras");
     if (xmlElem != nullptr) {
-        mSystemInfo.numCameras =
-            stoi(xmlElem->FindAttribute("value")->Value());
+        mSystemInfo.numCameras = stoi(xmlElem->FindAttribute("value")->Value());
     }
 }
 
-
-void ConfigManager::readDisplayInfo(const XMLElement * const aDisplayElem) {
+void ConfigManager::readDisplayInfo(const XMLElement* const aDisplayElem) {
     if (aDisplayElem == nullptr) {
         ALOGW("XML file does not have required camera element");
         return;
     }
 
-    const XMLElement *curDev = aDisplayElem->FirstChildElement("device");
+    const XMLElement* curDev = aDisplayElem->FirstChildElement("device");
     while (curDev != nullptr) {
-        const char *id = curDev->FindAttribute("id")->Value();
-        //const char *pos = curDev->FirstAttribute("position")->Value();
+        const char* id = curDev->FindAttribute("id")->Value();
+        // const char *pos = curDev->FirstAttribute("position")->Value();
 
         unique_ptr<DisplayInfo> dpy(new DisplayInfo());
         if (dpy == nullptr) {
@@ -414,27 +371,26 @@
             return;
         }
 
-        const XMLElement *cap = curDev->FirstChildElement("caps");
+        const XMLElement* cap = curDev->FirstChildElement("caps");
         if (cap != nullptr) {
-            const XMLElement *curStream = cap->FirstChildElement("stream");
+            const XMLElement* curStream = cap->FirstChildElement("stream");
             while (curStream != nullptr) {
                 /* read 4 attributes */
-                const XMLAttribute *idAttr     = curStream->FindAttribute("id");
-                const XMLAttribute *widthAttr  = curStream->FindAttribute("width");
-                const XMLAttribute *heightAttr = curStream->FindAttribute("height");
-                const XMLAttribute *fmtAttr    = curStream->FindAttribute("format");
+                const XMLAttribute* idAttr = curStream->FindAttribute("id");
+                const XMLAttribute* widthAttr = curStream->FindAttribute("width");
+                const XMLAttribute* heightAttr = curStream->FindAttribute("height");
+                const XMLAttribute* fmtAttr = curStream->FindAttribute("format");
 
                 const int32_t id = stoi(idAttr->Value());
                 int32_t pixFormat;
-                if (ConfigManagerUtil::convertToPixelFormat(fmtAttr->Value(),
-                                                            pixFormat)) {
+                if (ConfigManagerUtil::convertToPixelFormat(fmtAttr->Value(), pixFormat)) {
                     RawStreamConfiguration cfg = {
-                        id,
-                        stoi(widthAttr->Value()),
-                        stoi(heightAttr->Value()),
-                        pixFormat,
-                        ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS_INPUT,
-                        0   // unused
+                            id,
+                            stoi(widthAttr->Value()),
+                            stoi(heightAttr->Value()),
+                            pixFormat,
+                            ANDROID_SCALER_AVAILABLE_STREAM_CONFIGURATIONS_INPUT,
+                            0  // unused
                     };
                     dpy->streamConfigurations.insert_or_assign(id, cfg);
                 }
@@ -450,7 +406,6 @@
     return;
 }
 
-
 bool ConfigManager::readConfigDataFromXML() noexcept {
     XMLDocument xmlDoc;
 
@@ -464,7 +419,7 @@
     }
 
     /* retrieve the root element */
-    const XMLElement *rootElem = xmlDoc.RootElement();
+    const XMLElement* rootElem = xmlDoc.RootElement();
     if (strcmp(rootElem->Name(), "configuration")) {
         ALOGE("A configuration file is not in the required format.  "
               "See /etc/automotive/evs/evs_configuration.dtd");
@@ -487,12 +442,10 @@
     ALOGI("Parsing configuration file takes %lf (ms)",
           (double)(parsingEnd - parsingStart) / 1000000.0);
 
-
     return true;
 }
 
-
-std::unique_ptr<ConfigManager> ConfigManager::Create(const char *path) {
+std::unique_ptr<ConfigManager> ConfigManager::Create(const char* path) {
     unique_ptr<ConfigManager> cfgMgr(new ConfigManager(path));
 
     /*
@@ -510,3 +463,4 @@
     }
 }
 
+}  // namespace android::hardware::automotive::evs::V1_1::implementation
diff --git a/automotive/evs/1.1/default/ConfigManager.h b/automotive/evs/1.1/default/ConfigManager.h
index b0b2670..0a15360 100644
--- a/automotive/evs/1.1/default/ConfigManager.h
+++ b/automotive/evs/1.1/default/ConfigManager.h
@@ -13,28 +13,26 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-#ifndef CONFIG_MANAGER_H
-#define CONFIG_MANAGER_H
-
-#include <vector>
-#include <string>
-#include <unordered_map>
-#include <unordered_set>
-
-#include <tinyxml2.h>
-
-#include <system/camera_metadata.h>
-#include <log/log.h>
-#include <android/hardware/automotive/evs/1.1/types.h>
+#ifndef ANDROID_HARDWARE_AUTOMOTIVE_EVS_V1_1_CONFIGMANAGER_H
+#define ANDROID_HARDWARE_AUTOMOTIVE_EVS_V1_1_CONFIGMANAGER_H
 
 #include "ConfigManagerUtil.h"
 
-using namespace std;
-using namespace tinyxml2;
+#include <android/hardware/automotive/evs/1.1/types.h>
+#include <log/log.h>
+#include <system/camera_metadata.h>
+#include <tinyxml2.h>
 
-using ::android::hardware::hidl_vec;
-using ::android::hardware::camera::device::V3_2::Stream;
-using ::android::hardware::automotive::evs::V1_1::CameraParam;
+#include <string>
+#include <unordered_map>
+#include <unordered_set>
+#include <vector>
+
+namespace android::hardware::automotive::evs::V1_1::implementation {
+
+using hardware::hidl_vec;
+using hardware::automotive::evs::V1_1::CameraParam;
+using hardware::camera::device::V3_2::Stream;
 
 /*
  * Plese note that this is different from what is defined in
@@ -45,8 +43,8 @@
 typedef std::array<int32_t, kStreamCfgSz> RawStreamConfiguration;
 
 class ConfigManager {
-public:
-    static std::unique_ptr<ConfigManager> Create(const char *path = "");
+  public:
+    static std::unique_ptr<ConfigManager> Create(const char* path = "");
     ConfigManager(const ConfigManager&) = delete;
     ConfigManager& operator=(const ConfigManager&) = delete;
 
@@ -54,15 +52,11 @@
 
     /* Camera device's capabilities and metadata */
     class CameraInfo {
-    public:
-        CameraInfo() :
-            characteristics(nullptr) {
-            /* Nothing to do */
+      public:
+        CameraInfo() : characteristics(nullptr) { /* Nothing to do */
         }
 
-        virtual ~CameraInfo() {
-            free_camera_metadata(characteristics);
-        }
+        virtual ~CameraInfo() { free_camera_metadata(characteristics); }
 
         /* Allocate memory for camera_metadata_t */
         bool allocate(size_t entry_cap, size_t data_cap) {
@@ -79,50 +73,49 @@
          * List of supported controls that the primary client can program.
          * Paraemters are stored with its valid range
          */
-        unordered_map<CameraParam,
-                      tuple<int32_t, int32_t, int32_t>> controls;
+        std::unordered_map<CameraParam, std::tuple<int32_t, int32_t, int32_t>> controls;
 
         /*
          * List of supported output stream configurations; each array stores
          * format, width, height, and direction values in the order.
          */
-        unordered_map<int32_t, RawStreamConfiguration> streamConfigurations;
+        std::unordered_map<int32_t, RawStreamConfiguration> streamConfigurations;
 
         /*
          * Internal storage for camera metadata.  Each entry holds a pointer to
          * data and number of elements
          */
-        unordered_map<camera_metadata_tag_t,
-                      pair<unique_ptr<void *>, size_t>> cameraMetadata;
+        std::unordered_map<camera_metadata_tag_t, std::pair<std::unique_ptr<void*>, size_t>>
+                cameraMetadata;
 
         /* Camera module characteristics */
-        camera_metadata_t *characteristics;
+        camera_metadata_t* characteristics;
     };
 
     class CameraGroupInfo : public CameraInfo {
-    public:
+      public:
         CameraGroupInfo() {}
 
         /* ID of member camera devices */
-        unordered_set<string> devices;
+        std::unordered_set<std::string> devices;
 
         /* The capture operation of member camera devices are synchronized */
         bool synchronized = false;
     };
 
     class SystemInfo {
-    public:
+      public:
         /* number of available cameras */
         int32_t numCameras = 0;
     };
 
     class DisplayInfo {
-    public:
+      public:
         /*
          * List of supported input stream configurations; each array stores
          * format, width, height, and direction values in the order.
          */
-        unordered_map<int32_t, RawStreamConfiguration> streamConfigurations;
+        std::unordered_map<int32_t, RawStreamConfiguration> streamConfigurations;
     };
 
     /*
@@ -131,80 +124,74 @@
      * @return SystemInfo
      *         Constant reference of SystemInfo.
      */
-    const SystemInfo &getSystemInfo() {
-        return mSystemInfo;
-    }
+    const SystemInfo& getSystemInfo() { return mSystemInfo; }
 
     /*
      * Return a list of cameras
      *
      * This function assumes that it is not being called frequently.
      *
-     * @return vector<string>
+     * @return std::vector<std::string>
      *         A vector that contains unique camera device identifiers.
      */
-    vector<string> getCameraList() {
-        vector<string> aList;
-        for (auto &v : mCameraInfo) {
-            aList.emplace_back(v.first);
+    std::vector<std::string> getCameraList() {
+        std::vector<std::string> aList;
+        for (auto& v : mCameraInfo) {
+            aList.push_back(v.first);
         }
 
         return aList;
     }
 
-
     /*
      * Return a list of cameras
      *
      * @return CameraGroupInfo
      *         A pointer to a camera group identified by a given id.
      */
-    unique_ptr<CameraGroupInfo>& getCameraGroupInfo(const string& gid) {
+    std::unique_ptr<CameraGroupInfo>& getCameraGroupInfo(const std::string& gid) {
         return mCameraGroupInfos[gid];
     }
 
-
     /*
      * Return a camera metadata
      *
      * @param  cameraId
-     *         Unique camera node identifier in string
+     *         Unique camera node identifier in std::string
      *
-     * @return unique_ptr<CameraInfo>
+     * @return std::unique_ptr<CameraInfo>
      *         A pointer to CameraInfo that is associated with a given camera
      *         ID.  This returns a null pointer if this does not recognize a
      *         given camera identifier.
      */
-    unique_ptr<CameraInfo>& getCameraInfo(const string cameraId) noexcept {
+    std::unique_ptr<CameraInfo>& getCameraInfo(const std::string cameraId) noexcept {
         return mCameraInfo[cameraId];
     }
 
-private:
+  private:
     /* Constructors */
-    ConfigManager(const char *xmlPath) :
-        mConfigFilePath(xmlPath) {
-    }
+    ConfigManager(const char* xmlPath) : mConfigFilePath(xmlPath) {}
 
     /* System configuration */
     SystemInfo mSystemInfo;
 
     /* Internal data structure for camera device information */
-    unordered_map<string, unique_ptr<CameraInfo>> mCameraInfo;
+    std::unordered_map<std::string, std::unique_ptr<CameraInfo>> mCameraInfo;
 
     /* Internal data structure for camera device information */
-    unordered_map<string, unique_ptr<DisplayInfo>> mDisplayInfo;
+    std::unordered_map<std::string, std::unique_ptr<DisplayInfo>> mDisplayInfo;
 
     /* Camera groups are stored in <groud id, CameraGroupInfo> hash map */
-    unordered_map<string, unique_ptr<CameraGroupInfo>> mCameraGroupInfos;
+    std::unordered_map<std::string, std::unique_ptr<CameraGroupInfo>> mCameraGroupInfos;
 
     /*
      * Camera positions are stored in <position, camera id set> hash map.
      * The position must be one of front, rear, left, and right.
      */
-    unordered_map<string, unordered_set<string>>  mCameraPosition;
+    std::unordered_map<std::string, std::unordered_set<std::string>> mCameraPosition;
 
     /* A path to XML configuration file */
-    const char *mConfigFilePath;
+    const char* mConfigFilePath;
 
     /*
      * Parse a given EVS configuration file and store the information
@@ -221,7 +208,7 @@
      * @param  aSysElem
      *         A pointer to "system" XML element.
      */
-    void readSystemInfo(const XMLElement * const aSysElem);
+    void readSystemInfo(const tinyxml2::XMLElement* const aSysElem);
 
     /*
      * read the information of camera devices
@@ -230,7 +217,7 @@
      *         A pointer to "camera" XML element that may contain multiple
      *         "device" elements.
      */
-    void readCameraInfo(const XMLElement * const aCameraElem);
+    void readCameraInfo(const tinyxml2::XMLElement* const aCameraElem);
 
     /*
      * read display device information
@@ -239,7 +226,7 @@
      *         A pointer to "display" XML element that may contain multiple
      *         "device" elements.
      */
-    void readDisplayInfo(const XMLElement * const aDisplayElem);
+    void readDisplayInfo(const tinyxml2::XMLElement* const aDisplayElem);
 
     /*
      * read camera device information
@@ -255,8 +242,7 @@
      *         Return false upon any failure in reading and processing camera
      *         device information.
      */
-    bool readCameraDeviceInfo(CameraInfo *aCamera,
-                              const XMLElement *aDeviceElem);
+    bool readCameraDeviceInfo(CameraInfo* aCamera, const tinyxml2::XMLElement* aDeviceElem);
 
     /*
      * read camera metadata
@@ -273,9 +259,8 @@
      * @return size_t
      *         Number of camera metadata entries
      */
-    size_t readCameraCapabilities(const XMLElement * const aCapElem,
-                                  CameraInfo *aCamera,
-                                  size_t &dataSize);
+    size_t readCameraCapabilities(const tinyxml2::XMLElement* const aCapElem, CameraInfo* aCamera,
+                                  size_t& dataSize);
 
     /*
      * read camera metadata
@@ -291,9 +276,8 @@
      * @return size_t
      *         Number of camera metadata entries
      */
-    size_t readCameraMetadata(const XMLElement * const aParamElem,
-                              CameraInfo *aCamera,
-                              size_t &dataSize);
+    size_t readCameraMetadata(const tinyxml2::XMLElement* const aParamElem, CameraInfo* aCamera,
+                              size_t& dataSize);
 
     /*
      * construct camera_metadata_t from camera capabilities and metadata
@@ -310,9 +294,9 @@
      *         or its size is not large enough to add all found camera metadata
      *         entries.
      */
-    bool constructCameraMetadata(CameraInfo *aCamera,
-                                 const size_t totalEntries,
+    bool constructCameraMetadata(CameraInfo* aCamera, const size_t totalEntries,
                                  const size_t totalDataSize);
 };
-#endif // CONFIG_MANAGER_H
 
+}  // namespace android::hardware::automotive::evs::V1_1::implementation
+#endif  // ANDROID_HARDWARE_AUTOMOTIVE_EVS_V1_1_CONFIGMANAGER_H
diff --git a/automotive/evs/1.1/default/ConfigManagerUtil.cpp b/automotive/evs/1.1/default/ConfigManagerUtil.cpp
index d10f236..5edd405 100644
--- a/automotive/evs/1.1/default/ConfigManagerUtil.cpp
+++ b/automotive/evs/1.1/default/ConfigManagerUtil.cpp
@@ -16,43 +16,45 @@
 
 #include "ConfigManagerUtil.h"
 
-#include <string>
-#include <sstream>
-#include <linux/videodev2.h>
-
 #include <log/log.h>
 #include <system/graphics-base-v1.0.h>
 
+#include <linux/videodev2.h>
+#include <sstream>
+#include <string>
 
-bool ConfigManagerUtil::convertToEvsCameraParam(const string &id,
-                                                CameraParam &camParam) {
+namespace android::hardware::automotive::evs::V1_1::implementation {
+
+using namespace std;
+
+bool ConfigManagerUtil::convertToEvsCameraParam(const string& id, CameraParam& camParam) {
     string trimmed = ConfigManagerUtil::trimString(id);
     bool success = true;
 
     if (!trimmed.compare("BRIGHTNESS")) {
-        camParam =  CameraParam::BRIGHTNESS;
+        camParam = CameraParam::BRIGHTNESS;
     } else if (!trimmed.compare("CONTRAST")) {
-        camParam =  CameraParam::CONTRAST;
+        camParam = CameraParam::CONTRAST;
     } else if (!trimmed.compare("AUTOGAIN")) {
-        camParam =  CameraParam::AUTOGAIN;
+        camParam = CameraParam::AUTOGAIN;
     } else if (!trimmed.compare("GAIN")) {
-        camParam =  CameraParam::GAIN;
+        camParam = CameraParam::GAIN;
     } else if (!trimmed.compare("AUTO_WHITE_BALANCE")) {
-        camParam =  CameraParam::AUTO_WHITE_BALANCE;
+        camParam = CameraParam::AUTO_WHITE_BALANCE;
     } else if (!trimmed.compare("WHITE_BALANCE_TEMPERATURE")) {
-        camParam =  CameraParam::WHITE_BALANCE_TEMPERATURE;
+        camParam = CameraParam::WHITE_BALANCE_TEMPERATURE;
     } else if (!trimmed.compare("SHARPNESS")) {
-        camParam =  CameraParam::SHARPNESS;
+        camParam = CameraParam::SHARPNESS;
     } else if (!trimmed.compare("AUTO_EXPOSURE")) {
-        camParam =  CameraParam::AUTO_EXPOSURE;
+        camParam = CameraParam::AUTO_EXPOSURE;
     } else if (!trimmed.compare("ABSOLUTE_EXPOSURE")) {
-        camParam =  CameraParam::ABSOLUTE_EXPOSURE;
+        camParam = CameraParam::ABSOLUTE_EXPOSURE;
     } else if (!trimmed.compare("ABSOLUTE_FOCUS")) {
-        camParam =  CameraParam::ABSOLUTE_FOCUS;
+        camParam = CameraParam::ABSOLUTE_FOCUS;
     } else if (!trimmed.compare("AUTO_FOCUS")) {
-        camParam =  CameraParam::AUTO_FOCUS;
+        camParam = CameraParam::AUTO_FOCUS;
     } else if (!trimmed.compare("ABSOLUTE_ZOOM")) {
-        camParam =  CameraParam::ABSOLUTE_ZOOM;
+        camParam = CameraParam::ABSOLUTE_ZOOM;
     } else {
         success = false;
     }
@@ -60,18 +62,16 @@
     return success;
 }
 
-
-bool ConfigManagerUtil::convertToPixelFormat(const string &format,
-                                             int32_t &pixFormat) {
+bool ConfigManagerUtil::convertToPixelFormat(const string& format, int32_t& pixFormat) {
     string trimmed = ConfigManagerUtil::trimString(format);
     bool success = true;
 
     if (!trimmed.compare("RGBA_8888")) {
-        pixFormat =  HAL_PIXEL_FORMAT_RGBA_8888;
+        pixFormat = HAL_PIXEL_FORMAT_RGBA_8888;
     } else if (!trimmed.compare("YCRCB_420_SP")) {
-        pixFormat =  HAL_PIXEL_FORMAT_YCRCB_420_SP;
+        pixFormat = HAL_PIXEL_FORMAT_YCRCB_420_SP;
     } else if (!trimmed.compare("YCBCR_422_I")) {
-        pixFormat =  HAL_PIXEL_FORMAT_YCBCR_422_I;
+        pixFormat = HAL_PIXEL_FORMAT_YCBCR_422_I;
     } else {
         success = false;
     }
@@ -79,21 +79,19 @@
     return success;
 }
 
-
-bool ConfigManagerUtil::convertToMetadataTag(const char *name,
-                                             camera_metadata_tag &aTag) {
+bool ConfigManagerUtil::convertToMetadataTag(const char* name, camera_metadata_tag& aTag) {
     if (!strcmp(name, "LENS_DISTORTION")) {
-        aTag =  ANDROID_LENS_DISTORTION;
+        aTag = ANDROID_LENS_DISTORTION;
     } else if (!strcmp(name, "LENS_INTRINSIC_CALIBRATION")) {
-        aTag =  ANDROID_LENS_INTRINSIC_CALIBRATION;
+        aTag = ANDROID_LENS_INTRINSIC_CALIBRATION;
     } else if (!strcmp(name, "LENS_POSE_ROTATION")) {
-        aTag =  ANDROID_LENS_POSE_ROTATION;
+        aTag = ANDROID_LENS_POSE_ROTATION;
     } else if (!strcmp(name, "LENS_POSE_TRANSLATION")) {
-        aTag =  ANDROID_LENS_POSE_TRANSLATION;
+        aTag = ANDROID_LENS_POSE_TRANSLATION;
     } else if (!strcmp(name, "REQUEST_AVAILABLE_CAPABILITIES")) {
-        aTag =  ANDROID_REQUEST_AVAILABLE_CAPABILITIES;
+        aTag = ANDROID_REQUEST_AVAILABLE_CAPABILITIES;
     } else if (!strcmp(name, "LOGICAL_MULTI_CAMERA_PHYSICAL_IDS")) {
-        aTag =  ANDROID_LOGICAL_MULTI_CAMERA_PHYSICAL_IDS;
+        aTag = ANDROID_LOGICAL_MULTI_CAMERA_PHYSICAL_IDS;
     } else {
         return false;
     }
@@ -101,11 +99,8 @@
     return true;
 }
 
-
 bool ConfigManagerUtil::convertToCameraCapability(
-    const char *name,
-    camera_metadata_enum_android_request_available_capabilities_t &cap) {
-
+        const char* name, camera_metadata_enum_android_request_available_capabilities_t& cap) {
     if (!strcmp(name, "DEPTH_OUTPUT")) {
         cap = ANDROID_REQUEST_AVAILABLE_CAPABILITIES_DEPTH_OUTPUT;
     } else if (!strcmp(name, "LOGICAL_MULTI_CAMERA")) {
@@ -121,14 +116,13 @@
     return true;
 }
 
-
-float *ConfigManagerUtil::convertFloatArray(const char *sz, const char *vals,
-                                            size_t &count, const char delimiter) {
+float* ConfigManagerUtil::convertFloatArray(const char* sz, const char* vals, size_t& count,
+                                            const char delimiter) {
     string size_string(sz);
     string value_string(vals);
 
     count = stoi(size_string);
-    float *result = new float[count];
+    float* result = new float[count];
     stringstream values(value_string);
 
     int32_t idx = 0;
@@ -140,8 +134,7 @@
     return result;
 }
 
-
-string ConfigManagerUtil::trimString(const string &src, const string &ws) {
+string ConfigManagerUtil::trimString(const string& src, const string& ws) {
     const auto s = src.find_first_not_of(ws);
     if (s == string::npos) {
         return "";
@@ -153,3 +146,4 @@
     return src.substr(s, r);
 }
 
+}  // namespace android::hardware::automotive::evs::V1_1::implementation
diff --git a/automotive/evs/1.1/default/ConfigManagerUtil.h b/automotive/evs/1.1/default/ConfigManagerUtil.h
index 1710cac..9d42ec1 100644
--- a/automotive/evs/1.1/default/ConfigManagerUtil.h
+++ b/automotive/evs/1.1/default/ConfigManagerUtil.h
@@ -13,57 +13,48 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-#ifndef CONFIG_MANAGER_UTIL_H
-#define CONFIG_MANAGER_UTIL_H
+#ifndef ANDROID_HARDWARE_AUTOMOTIVE_EVS_V1_1_CONFIGMANAGERUTIL_H
+#define ANDROID_HARDWARE_AUTOMOTIVE_EVS_V1_1_CONFIGMANAGERUTIL_H
 
-#include <utility>
-#include <string>
-#include <system/camera_metadata.h>
 #include <android/hardware/automotive/evs/1.1/types.h>
+#include <system/camera_metadata.h>
+#include <string>
+#include <utility>
 
-using namespace std;
-using ::android::hardware::automotive::evs::V1_1::CameraParam;
-
+namespace android::hardware::automotive::evs::V1_1::implementation {
 
 class ConfigManagerUtil {
-public:
+  public:
     /**
      * Convert a given string into V4L2_CID_*
      */
-    static bool convertToEvsCameraParam(const string &id,
-                                        CameraParam &camParam);
+    static bool convertToEvsCameraParam(const std::string& id, CameraParam& camParam);
     /**
      * Convert a given string into android.hardware.graphics.common.PixelFormat
      */
-    static bool convertToPixelFormat(const string &format,
-                                     int32_t &pixelFormat);
+    static bool convertToPixelFormat(const std::string& format, int32_t& pixelFormat);
     /**
      * Convert a given string into corresponding camera metadata data tag defined in
      * system/media/camera/include/system/camera_metadta_tags.h
      */
-    static bool convertToMetadataTag(const char *name,
-                                     camera_metadata_tag &aTag);
+    static bool convertToMetadataTag(const char* name, camera_metadata_tag& aTag);
     /**
      * Convert a given string into a floating value array
      */
-    static float *convertFloatArray(const char *sz,
-                                    const char *vals,
-                                    size_t &count,
+    static float* convertFloatArray(const char* sz, const char* vals, size_t& count,
                                     const char delimiter = ',');
     /**
      * Trim a string
      */
-    static string trimString(const string &src,
-                             const string &ws = " \n\r\t\f\v");
+    static std::string trimString(const std::string& src, const std::string& ws = " \n\r\t\f\v");
 
     /**
      * Convert a given string to corresponding camera capabilities
      */
     static bool convertToCameraCapability(
-        const char *name,
-        camera_metadata_enum_android_request_available_capabilities_t &cap);
-
+            const char* name, camera_metadata_enum_android_request_available_capabilities_t& cap);
 };
 
-#endif // CONFIG_MANAGER_UTIL_H
+}  // namespace android::hardware::automotive::evs::V1_1::implementation
 
+#endif  // ANDROID_HARDWARE_AUTOMOTIVE_EVS_V1_1_CONFIGMANAGERUTIL_H
diff --git a/automotive/evs/1.1/default/EvsCamera.cpp b/automotive/evs/1.1/default/EvsCamera.cpp
index 0e69ed4..520670a 100644
--- a/automotive/evs/1.1/default/EvsCamera.cpp
+++ b/automotive/evs/1.1/default/EvsCamera.cpp
@@ -14,69 +14,69 @@
  * limitations under the License.
  */
 
-#define LOG_TAG "android.hardware.automotive.evs@1.1-service"
-
 #include "EvsCamera.h"
+#include "ConfigManager.h"
 #include "EvsEnumerator.h"
 
 #include <ui/GraphicBufferAllocator.h>
 #include <ui/GraphicBufferMapper.h>
 #include <utils/SystemClock.h>
 
-namespace android {
-namespace hardware {
-namespace automotive {
-namespace evs {
-namespace V1_1 {
-namespace implementation {
-
-
-// Special camera names for which we'll initialize alternate test data
-const char EvsCamera::kCameraName_Backup[] = "backup";
-
+namespace {
 
 // Arbitrary limit on number of graphics buffers allowed to be allocated
 // Safeguards against unreasonable resource consumption and provides a testable limit
-const unsigned MAX_BUFFERS_IN_FLIGHT = 100;
+constexpr unsigned kMaxBuffersInFlight = 100;
 
+// Minimum number of buffers to run a video stream
+constexpr int kMinimumBuffersInFlight = 1;
 
-EvsCamera::EvsCamera(const char *id,
-                     unique_ptr<ConfigManager::CameraInfo> &camInfo) :
-        mFramesAllowed(0),
-        mFramesInUse(0),
-        mStreamState(STOPPED),
-        mCameraInfo(camInfo) {
+// Colors for the colorbar test pattern in ABGR format
+constexpr uint32_t kColors[] = {
+        0xFFFFFFFF,  // white
+        0xFF00FFFF,  // yellow
+        0xFFFFFF00,  // cyan
+        0xFF00FF00,  // green
+        0xFFFF00FF,  // fuchsia
+        0xFF0000FF,  // red
+        0xFFFF0000,  // blue
+        0xFF000000,  // black
+};
+constexpr uint32_t kNumColors = sizeof(kColors) / sizeof(kColors[0]);
 
-    ALOGD("EvsCamera instantiated");
+}  // namespace
+
+namespace android::hardware::automotive::evs::V1_1::implementation {
+
+using V1_0::EvsResult;
+
+EvsCamera::EvsCamera(const char* id, std::unique_ptr<ConfigManager::CameraInfo>& camInfo)
+    : mFramesAllowed(0), mFramesInUse(0), mStreamState(STOPPED), mCameraInfo(camInfo) {
+    ALOGD("%s", __FUNCTION__);
 
     /* set a camera id */
     mDescription.v1.cameraId = id;
 
     /* set camera metadata */
-    mDescription.metadata.setToExternal((uint8_t *)camInfo->characteristics,
+    mDescription.metadata.setToExternal((uint8_t*)camInfo->characteristics,
                                         get_camera_metadata_size(camInfo->characteristics));
 }
 
-
 EvsCamera::~EvsCamera() {
-    ALOGD("EvsCamera being destroyed");
+    ALOGD("%s", __FUNCTION__);
     forceShutdown();
 }
 
-
-//
 // This gets called if another caller "steals" ownership of the camera
-//
-void EvsCamera::forceShutdown()
-{
-    ALOGD("EvsCamera forceShutdown");
+void EvsCamera::forceShutdown() {
+    ALOGD("%s", __FUNCTION__);
 
     // Make sure our output stream is cleaned up
     // (It really should be already)
     stopVideoStream();
 
     // Claim the lock while we work on internal state
-    std::lock_guard <std::mutex> lock(mAccessLock);
+    std::lock_guard<std::mutex> lock(mAccessLock);
 
     // Drop all the graphics buffers we've been using
     if (mBuffers.size() > 0) {
@@ -96,19 +96,18 @@
     mStreamState = DEAD;
 }
 
-
 // Methods from ::android::hardware::automotive::evs::V1_0::IEvsCamera follow.
 Return<void> EvsCamera::getCameraInfo(getCameraInfo_cb _hidl_cb) {
-    ALOGD("getCameraInfo");
+    ALOGD("%s", __FUNCTION__);
 
     // Send back our self description
     _hidl_cb(mDescription.v1);
-    return Void();
+    return {};
 }
 
-
 Return<EvsResult> EvsCamera::setMaxFramesInFlight(uint32_t bufferCount) {
-    ALOGD("setMaxFramesInFlight");
+    ALOGD("%s, bufferCount = %u", __FUNCTION__, bufferCount);
+
     std::lock_guard<std::mutex> lock(mAccessLock);
 
     // If we've been displaced by another owner of the camera, then we can't do anything else
@@ -131,9 +130,9 @@
     }
 }
 
+Return<EvsResult> EvsCamera::startVideoStream(const ::android::sp<V1_0::IEvsCameraStream>& stream) {
+    ALOGD("%s", __FUNCTION__);
 
-Return<EvsResult> EvsCamera::startVideoStream(const ::android::sp<IEvsCameraStream_1_0>& stream)  {
-    ALOGD("startVideoStream");
     std::lock_guard<std::mutex> lock(mAccessLock);
 
     // If we've been displaced by another owner of the camera, then we can't do anything else
@@ -141,82 +140,86 @@
         ALOGE("ignoring startVideoStream call when camera has been lost.");
         return EvsResult::OWNERSHIP_LOST;
     }
+
     if (mStreamState != STOPPED) {
         ALOGE("ignoring startVideoStream call when a stream is already running.");
         return EvsResult::STREAM_ALREADY_RUNNING;
     }
 
     // If the client never indicated otherwise, configure ourselves for a single streaming buffer
-    if (mFramesAllowed < 1) {
-        if (!setAvailableFrames_Locked(1)) {
+    if (mFramesAllowed < kMinimumBuffersInFlight) {
+        if (!setAvailableFrames_Locked(kMinimumBuffersInFlight)) {
             ALOGE("Failed to start stream because we couldn't get a graphics buffer");
             return EvsResult::BUFFER_NOT_AVAILABLE;
         }
     }
 
     // Record the user's callback for use when we have a frame ready
-    mStream = IEvsCameraStream_1_1::castFrom(stream).withDefault(nullptr);
-    if (mStream == nullptr) {
+    mStream = IEvsCameraStream::castFrom(stream).withDefault(nullptr);
+    if (!mStream) {
         ALOGE("Default implementation does not support v1.0 IEvsCameraStream");
         return EvsResult::INVALID_ARG;
     }
 
     // Start the frame generation thread
     mStreamState = RUNNING;
-    mCaptureThread = std::thread([this](){ generateFrames(); });
+    mCaptureThread = std::thread([this]() { generateFrames(); });
 
     return EvsResult::OK;
 }
 
-
-Return<void> EvsCamera::doneWithFrame(const BufferDesc_1_0& buffer) {
-    std::lock_guard <std::mutex> lock(mAccessLock);
-    returnBuffer(buffer.bufferId, buffer.memHandle);
-
-    return Void();
-}
-
-
-Return<void> EvsCamera::stopVideoStream()  {
-    ALOGD("stopVideoStream");
-    std::unique_lock <std::mutex> lock(mAccessLock);
-
-    if (mStreamState == RUNNING) {
-        // Tell the GenerateFrames loop we want it to stop
-        mStreamState = STOPPING;
-
-        // Block outside the mutex until the "stop" flag has been acknowledged
-        // We won't send any more frames, but the client might still get some already in flight
-        ALOGD("Waiting for stream thread to end...");
-        lock.unlock();
-        mCaptureThread.join();
-        lock.lock();
-
-        mStreamState = STOPPED;
-        mStream = nullptr;
-        ALOGD("Stream marked STOPPED.");
-    }
-
-    return Void();
-}
-
-
-Return<int32_t> EvsCamera::getExtendedInfo(uint32_t opaqueIdentifier)  {
-    ALOGD("getExtendedInfo");
+Return<void> EvsCamera::doneWithFrame(const V1_0::BufferDesc& buffer) {
     std::lock_guard<std::mutex> lock(mAccessLock);
+    returnBufferLocked(buffer.bufferId, buffer.memHandle);
 
-    // For any single digit value, return the index itself as a test value
-    if (opaqueIdentifier <= 9) {
-        return opaqueIdentifier;
-    }
-
-    // Return zero by default as required by the spec
-    return 0;
+    return {};
 }
 
+Return<void> EvsCamera::stopVideoStream() {
+    ALOGD("%s", __FUNCTION__);
 
-Return<EvsResult> EvsCamera::setExtendedInfo(uint32_t /*opaqueIdentifier*/, int32_t /*opaqueValue*/)  {
-    ALOGD("setExtendedInfo");
+    std::unique_lock<std::mutex> lock(mAccessLock);
+
+    if (mStreamState != RUNNING) {
+        return {};
+    }
+
+    // Tell the GenerateFrames loop we want it to stop
+    mStreamState = STOPPING;
+
+    // Block outside the mutex until the "stop" flag has been acknowledged
+    // We won't send any more frames, but the client might still get some already in flight
+    ALOGD("Waiting for stream thread to end...");
+    lock.unlock();
+    if (mCaptureThread.joinable()) {
+        mCaptureThread.join();
+    }
+    lock.lock();
+
+    mStreamState = STOPPED;
+    mStream = nullptr;
+    ALOGD("Stream marked STOPPED.");
+
+    return {};
+}
+
+Return<int32_t> EvsCamera::getExtendedInfo(uint32_t opaqueIdentifier) {
+    ALOGD("%s", __FUNCTION__);
+
+    std::lock_guard<std::mutex> lock(mAccessLock);
+    const auto it = mExtInfo.find(opaqueIdentifier);
+    if (it == mExtInfo.end()) {
+        // Return zero by default as required by the spec
+        return 0;
+    } else {
+        return it->second[0];
+    }
+}
+
+Return<EvsResult> EvsCamera::setExtendedInfo([[maybe_unused]] uint32_t opaqueIdentifier,
+                                             [[maybe_unused]] int32_t opaqueValue) {
+    ALOGD("%s", __FUNCTION__);
+
     std::lock_guard<std::mutex> lock(mAccessLock);
 
     // If we've been displaced by another owner of the camera, then we can't do anything else
@@ -225,76 +228,73 @@
         return EvsResult::OWNERSHIP_LOST;
     }
 
-    // We don't store any device specific information in this implementation
-    return EvsResult::INVALID_ARG;
+    mExtInfo.insert_or_assign(opaqueIdentifier, opaqueValue);
+    return EvsResult::OK;
 }
 
-
 // Methods from ::android::hardware::automotive::evs::V1_1::IEvsCamera follow.
 Return<void> EvsCamera::getCameraInfo_1_1(getCameraInfo_1_1_cb _hidl_cb) {
-    ALOGD("getCameraInfo_1_1");
+    ALOGD("%s", __FUNCTION__);
 
     // Send back our self description
     _hidl_cb(mDescription);
-    return Void();
+    return {};
 }
 
-
-Return<void> EvsCamera::getPhysicalCameraInfo(const hidl_string& id,
+Return<void> EvsCamera::getPhysicalCameraInfo([[maybe_unused]] const hidl_string& id,
                                               getCameraInfo_1_1_cb _hidl_cb) {
     ALOGD("%s", __FUNCTION__);
 
     // This works exactly same as getCameraInfo_1_1() in default implementation.
-    (void)id;
     _hidl_cb(mDescription);
-    return Void();
+    return {};
 }
 
+Return<EvsResult> EvsCamera::doneWithFrame_1_1(const hidl_vec<BufferDesc>& buffers) {
+    ALOGD("%s", __FUNCTION__);
 
-Return<EvsResult> EvsCamera::doneWithFrame_1_1(const hidl_vec<BufferDesc_1_1>& buffers)  {
-    std::lock_guard <std::mutex> lock(mAccessLock);
-
+    std::lock_guard<std::mutex> lock(mAccessLock);
     for (auto&& buffer : buffers) {
-        returnBuffer(buffer.bufferId, buffer.buffer.nativeHandle);
+        returnBufferLocked(buffer.bufferId, buffer.buffer.nativeHandle);
     }
-
     return EvsResult::OK;
 }
 
-
 Return<EvsResult> EvsCamera::pauseVideoStream() {
+    ALOGD("%s", __FUNCTION__);
     // Default implementation does not support this.
     return EvsResult::UNDERLYING_SERVICE_ERROR;
 }
 
-
 Return<EvsResult> EvsCamera::resumeVideoStream() {
+    ALOGD("%s", __FUNCTION__);
     // Default implementation does not support this.
     return EvsResult::UNDERLYING_SERVICE_ERROR;
 }
 
-
 Return<EvsResult> EvsCamera::setMaster() {
+    ALOGD("%s", __FUNCTION__);
     // Default implementation does not expect multiple subscribers and therefore
     // return a success code always.
     return EvsResult::OK;
 }
 
-Return<EvsResult> EvsCamera::forceMaster(const sp<IEvsDisplay_1_0>& ) {
+Return<EvsResult> EvsCamera::forceMaster(const sp<V1_0::IEvsDisplay>&) {
+    ALOGD("%s", __FUNCTION__);
     // Default implementation does not expect multiple subscribers and therefore
     // return a success code always.
     return EvsResult::OK;
 }
 
-
 Return<EvsResult> EvsCamera::unsetMaster() {
+    ALOGD("%s", __FUNCTION__);
     // Default implementation does not expect multiple subscribers and therefore
     // return a success code always.
     return EvsResult::OK;
 }
 
-
 Return<void> EvsCamera::getParameterList(getParameterList_cb _hidl_cb) {
+    ALOGD("%s", __FUNCTION__);
     hidl_vec<CameraParam> hidlCtrls;
     hidlCtrls.resize(mCameraInfo->controls.size());
     unsigned idx = 0;
@@ -303,72 +303,132 @@
     }
 
     _hidl_cb(hidlCtrls);
-    return Void();
-}
-
-
-Return<void> EvsCamera::getIntParameterRange(CameraParam id,
-                                             getIntParameterRange_cb _hidl_cb) {
-    auto range = mCameraInfo->controls[id];
-    _hidl_cb(get<0>(range), get<1>(range), get<2>(range));
-    return Void();
-}
-
-
-Return<void> EvsCamera::setIntParameter(CameraParam id, int32_t value,
-                                        setIntParameter_cb _hidl_cb) {
-    // Default implementation does not support this.
-    (void)id;
-    (void)value;
-    _hidl_cb(EvsResult::INVALID_ARG, 0);
-    return Void();
-}
-
-
-Return<void> EvsCamera::getIntParameter(CameraParam id,
-                                        getIntParameter_cb _hidl_cb) {
-    // Default implementation does not support this.
-    (void)id;
-    _hidl_cb(EvsResult::INVALID_ARG, 0);
-    return Void();
-}
-
-
-Return<EvsResult> EvsCamera::setExtendedInfo_1_1(uint32_t opaqueIdentifier,
-                                                 const hidl_vec<uint8_t>& opaqueValue) {
-    // Default implementation does not use an extended info.
-    (void)opaqueIdentifier;
-    (void)opaqueValue;
-    return EvsResult::INVALID_ARG;
-}
-
-
-Return<void> EvsCamera::getExtendedInfo_1_1(uint32_t opaqueIdentifier,
-                                            getExtendedInfo_1_1_cb _hidl_cb) {
-    // Default implementation does not use an extended info.
-    (void)opaqueIdentifier;
-
-    hidl_vec<uint8_t> value;
-    _hidl_cb(EvsResult::INVALID_ARG, value);
-    return Void();
-}
-
-
-Return<void>
-EvsCamera::importExternalBuffers(const hidl_vec<BufferDesc_1_1>& /* buffers */,
-                                 importExternalBuffers_cb _hidl_cb) {
-    ALOGW("%s is not implemented yet.", __FUNCTION__);
-    _hidl_cb(EvsResult::UNDERLYING_SERVICE_ERROR, 0);
     return {};
 }
 
+Return<void> EvsCamera::getIntParameterRange(CameraParam id, getIntParameterRange_cb _hidl_cb) {
+    ALOGD("%s", __FUNCTION__);
+    auto it = mCameraInfo->controls.find(id);
+    if (it == mCameraInfo->controls.end()) {
+        _hidl_cb(0, 0, 0);
+    } else {
+        _hidl_cb(std::get<0>(it->second), std::get<1>(it->second), std::get<2>(it->second));
+    }
+    return {};
+}
+
+Return<void> EvsCamera::setIntParameter(CameraParam id, int32_t value,
+                                        setIntParameter_cb _hidl_cb) {
+    ALOGD("%s", __FUNCTION__);
+    mParams.insert_or_assign(id, value);
+    _hidl_cb(EvsResult::OK, {value});
+    return {};
+}
+
+Return<void> EvsCamera::getIntParameter([[maybe_unused]] CameraParam id,
+                                        getIntParameter_cb _hidl_cb) {
+    ALOGD("%s", __FUNCTION__);
+    auto it = mParams.find(id);
+    std::vector<int32_t> values;
+    if (it == mParams.end()) {
+        _hidl_cb(EvsResult::INVALID_ARG, values);
+    } else {
+        values.push_back(it->second);
+        _hidl_cb(EvsResult::OK, values);
+    }
+    return {};
+}
+
+Return<EvsResult> EvsCamera::setExtendedInfo_1_1(uint32_t opaqueIdentifier,
+                                                 const hidl_vec<uint8_t>& opaqueValue) {
+    ALOGD("%s", __FUNCTION__);
+    mExtInfo.insert_or_assign(opaqueIdentifier, opaqueValue);
+    return EvsResult::OK;
+}
+
+Return<void> EvsCamera::getExtendedInfo_1_1(uint32_t opaqueIdentifier,
+                                            getExtendedInfo_1_1_cb _hidl_cb) {
+    ALOGD("%s", __FUNCTION__);
+    auto status = EvsResult::OK;
+    hidl_vec<uint8_t> value;
+    const auto it = mExtInfo.find(opaqueIdentifier);
+    if (it == mExtInfo.end()) {
+        status = EvsResult::INVALID_ARG;
+    } else {
+        value = it->second;
+    }
+    _hidl_cb(status, value);
+    return {};
+}
+
+Return<void> EvsCamera::importExternalBuffers([[maybe_unused]] const hidl_vec<BufferDesc>& buffers,
+                                              importExternalBuffers_cb _hidl_cb) {
+    auto numBuffersToAdd = buffers.size();
+    if (numBuffersToAdd < 1) {
+        ALOGD("No buffers to add");
+        _hidl_cb(EvsResult::OK, mFramesAllowed);
+        return {};
+    }
+
+    {
+        std::scoped_lock<std::mutex> lock(mAccessLock);
+
+        if (numBuffersToAdd > (kMaxBuffersInFlight - mFramesAllowed)) {
+            numBuffersToAdd -= (kMaxBuffersInFlight - mFramesAllowed);
+            ALOGW("Exceed the limit on number of buffers. %" PRIu64 " buffers will be added only.",
+                  static_cast<uint64_t>(numBuffersToAdd));
+        }
+
+        GraphicBufferMapper& mapper = GraphicBufferMapper::get();
+        const auto before = mFramesAllowed;
+        for (auto i = 0; i < numBuffersToAdd; ++i) {
+            // TODO: reject if external buffer is configured differently.
+            auto& b = buffers[i];
+            const AHardwareBuffer_Desc* pDesc =
+                    reinterpret_cast<const AHardwareBuffer_Desc*>(&b.buffer.description);
+
+            // Import a buffer to add
+            buffer_handle_t memHandle = nullptr;
+            status_t result =
+                    mapper.importBuffer(b.buffer.nativeHandle, pDesc->width, pDesc->height, 1,
+                                        pDesc->format, pDesc->usage, pDesc->stride, &memHandle);
+            if (result != android::NO_ERROR || !memHandle) {
+                ALOGW("Failed to import a buffer %d", b.bufferId);
+                continue;
+            }
+
+            auto stored = false;
+            for (auto&& rec : mBuffers) {
+                if (rec.handle == nullptr) {
+                    // Use this existing entry
+                    rec.handle = memHandle;
+                    rec.inUse = false;
+
+                    stored = true;
+                    break;
+                }
+            }
+
+            if (!stored) {
+                // Add a BufferRecord wrapping this handle to our set of available buffers
+                mBuffers.emplace_back(memHandle);
+            }
+
+            ++mFramesAllowed;
+        }
+
+        _hidl_cb(EvsResult::OK, mFramesAllowed - before);
+        return {};
+    }
+}
 
 bool EvsCamera::setAvailableFrames_Locked(unsigned bufferCount) {
-    if (bufferCount < 1) {
-        ALOGE("Ignoring request to set buffer count to zero");
+    if (bufferCount < kMinimumBuffersInFlight) {
+        ALOGE("Ignoring request to set buffer count below the minimum number of buffers to run a "
+              "video stream");
         return false;
     }
-    if (bufferCount > MAX_BUFFERS_IN_FLIGHT) {
+    if (bufferCount > kMaxBuffersInFlight) {
         ALOGE("Rejecting buffer request in excess of internal limit");
         return false;
     }
@@ -403,17 +463,16 @@
     return true;
 }
 
-
 unsigned EvsCamera::increaseAvailableFrames_Locked(unsigned numToAdd) {
     // Acquire the graphics buffer allocator
-    GraphicBufferAllocator &alloc(GraphicBufferAllocator::get());
+    GraphicBufferAllocator& alloc(GraphicBufferAllocator::get());
 
     unsigned added = 0;
 
     while (added < numToAdd) {
         buffer_handle_t memHandle = nullptr;
-        status_t result = alloc.allocate(mWidth, mHeight, mFormat, 1, mUsage,
-                                         &memHandle, &mStride, 0, "EvsCamera");
+        status_t result = alloc.allocate(mWidth, mHeight, mFormat, 1, mUsage, &memHandle, &mStride,
+                                         0, "EvsCamera");
         if (result != NO_ERROR) {
             ALOGE("Error %d allocating %d x %d graphics buffer", result, mWidth, mHeight);
             break;
@@ -436,7 +495,7 @@
         }
         if (!stored) {
             // Add a BufferRecord wrapping this handle to our set of available buffers
-            mBuffers.emplace_back(memHandle);
+            mBuffers.push_back(std::move(BufferRecord(memHandle)));
         }
 
         mFramesAllowed++;
@@ -446,10 +505,9 @@
     return added;
 }
 
-
 unsigned EvsCamera::decreaseAvailableFrames_Locked(unsigned numToRemove) {
     // Acquire the graphics buffer allocator
-    GraphicBufferAllocator &alloc(GraphicBufferAllocator::get());
+    GraphicBufferAllocator& alloc(GraphicBufferAllocator::get());
 
     unsigned removed = 0;
 
@@ -472,14 +530,12 @@
     return removed;
 }
 
-
 // This is the asynchronous frame generation thread that runs in parallel with the
 // main serving thread.  There is one for each active camera instance.
 void EvsCamera::generateFrames() {
     ALOGD("Frame generation loop started");
 
     unsigned idx;
-
     while (true) {
         bool timeForFrame = false;
         nsecs_t startTime = systemTime(SYSTEM_TIME_MONOTONIC);
@@ -521,9 +577,9 @@
 
         if (timeForFrame) {
             // Assemble the buffer description we'll transmit below
-            BufferDesc_1_1 newBuffer = {};
+            BufferDesc newBuffer = {};
             AHardwareBuffer_Desc* pDesc =
-                reinterpret_cast<AHardwareBuffer_Desc *>(&newBuffer.buffer.description);
+                    reinterpret_cast<AHardwareBuffer_Desc*>(&newBuffer.buffer.description);
             pDesc->width = mWidth;
             pDesc->height = mHeight;
             pDesc->layers = 1;
@@ -534,19 +590,16 @@
             newBuffer.pixelSize = sizeof(uint32_t);
             newBuffer.bufferId = idx;
             newBuffer.deviceId = mDescription.v1.cameraId;
-            newBuffer.timestamp = elapsedRealtimeNano();
+            newBuffer.timestamp = elapsedRealtimeNano() * 1e+3;  // timestamps is in microseconds
 
             // Write test data into the image buffer
             fillTestFrame(newBuffer);
 
             // Issue the (asynchronous) callback to the client -- can't be holding the lock
-            hidl_vec<BufferDesc_1_1> frames;
-            frames.resize(1);
-            frames[0] = newBuffer;
-            auto result = mStream->deliverFrame_1_1(frames);
+            auto result = mStream->deliverFrame_1_1({newBuffer});
             if (result.isOk()) {
-                ALOGD("Delivered %p as id %d",
-                      newBuffer.buffer.nativeHandle.getNativeHandle(), newBuffer.bufferId);
+                ALOGD("Delivered %p as id %d", newBuffer.buffer.nativeHandle.getNativeHandle(),
+                      newBuffer.bufferId);
             } else {
                 // This can happen if the client dies and is likely unrecoverable.
                 // To avoid consuming resources generating failing calls, we stop sending
@@ -563,63 +616,50 @@
             }
         }
 
-        // We arbitrarily choose to generate frames at 12 fps to ensure we pass the 10fps test requirement
-        static const int kTargetFrameRate = 12;
-        static const nsecs_t kTargetFrameTimeUs = 1000*1000 / kTargetFrameRate;
+        // We arbitrarily choose to generate frames at 15 fps to ensure we pass the 10fps test
+        // requirement
+        static const int kTargetFrameRate = 15;
+        static const nsecs_t kTargetFrameIntervalUs = 1000 * 1000 / kTargetFrameRate;
         const nsecs_t now = systemTime(SYSTEM_TIME_MONOTONIC);
-        const nsecs_t workTimeUs = (now - startTime) / 1000;
-        const nsecs_t sleepDurationUs = kTargetFrameTimeUs - workTimeUs;
+        const nsecs_t elapsedTimeUs = (now - startTime) / 1000;
+        const nsecs_t sleepDurationUs = kTargetFrameIntervalUs - elapsedTimeUs;
         if (sleepDurationUs > 0) {
             usleep(sleepDurationUs);
         }
     }
 
     // If we've been asked to stop, send an event to signal the actual end of stream
-    EvsEventDesc event;
-    event.aType = EvsEventType::STREAM_STOPPED;
-    auto result = mStream->notify(event);
-    if (!result.isOk()) {
+    EvsEventDesc event = {
+            .aType = EvsEventType::STREAM_STOPPED,
+    };
+    if (!mStream->notify(event).isOk()) {
         ALOGE("Error delivering end of stream marker");
     }
 
     return;
 }
 
-
-void EvsCamera::fillTestFrame(const BufferDesc_1_1& buff) {
+void EvsCamera::fillTestFrame(const BufferDesc& buff) {
     // Lock our output buffer for writing
-    uint32_t *pixels = nullptr;
+    uint32_t* pixels = nullptr;
     const AHardwareBuffer_Desc* pDesc =
-        reinterpret_cast<const AHardwareBuffer_Desc *>(&buff.buffer.description);
-    GraphicBufferMapper &mapper = GraphicBufferMapper::get();
+            reinterpret_cast<const AHardwareBuffer_Desc*>(&buff.buffer.description);
+    GraphicBufferMapper& mapper = GraphicBufferMapper::get();
     mapper.lock(buff.buffer.nativeHandle,
                 GRALLOC_USAGE_SW_WRITE_OFTEN | GRALLOC_USAGE_SW_READ_NEVER,
-                android::Rect(pDesc->width, pDesc->height),
-                (void **) &pixels);
+                android::Rect(pDesc->width, pDesc->height), (void**)&pixels);
 
     // If we failed to lock the pixel buffer, we're about to crash, but log it first
     if (!pixels) {
         ALOGE("Camera failed to gain access to image buffer for writing");
+        return;
     }
 
-    // Fill in the test pixels
+    // Fill in the test pixels; the colorbar in ABGR format
     for (unsigned row = 0; row < pDesc->height; row++) {
         for (unsigned col = 0; col < pDesc->width; col++) {
-            // Index into the row to check the pixel at this column.
-            // We expect 0xFF in the LSB channel, a vertical gradient in the
-            // second channel, a horitzontal gradient in the third channel, and
-            // 0xFF in the MSB.
-            // The exception is the very first 32 bits which is used for the
-            // time varying frame signature to avoid getting fooled by a static image.
-            uint32_t expectedPixel = 0xFF0000FF           | // MSB and LSB
-                                     ((row & 0xFF) <<  8) | // vertical gradient
-                                     ((col & 0xFF) << 16);  // horizontal gradient
-            if ((row | col) == 0) {
-                static uint32_t sFrameTicker = 0;
-                expectedPixel = (sFrameTicker) & 0xFF;
-                sFrameTicker++;
-            }
-            pixels[col] = expectedPixel;
+            const uint32_t index = col * kNumColors / pDesc->width;
+            pixels[col] = kColors[index];
         }
         // Point to the next row
         // NOTE:  stride retrieved from gralloc is in units of pixels
@@ -630,39 +670,35 @@
     mapper.unlock(buff.buffer.nativeHandle);
 }
 
-
-void EvsCamera::fillTestFrame(const BufferDesc_1_0& buff) {
-    BufferDesc_1_1 newBufDesc = {};
-    AHardwareBuffer_Desc desc = {
-        buff.width,   // width
-        buff.height,  // height
-        1,            // layers, always 1 for EVS
-        buff.format,  // One of AHardwareBuffer_Format
-        buff.usage,   // Combination of AHardwareBuffer_UsageFlags
-        buff.stride,  // Row stride in pixels
-        0,            // Reserved
-        0             // Reserved
+void EvsCamera::fillTestFrame(const V1_0::BufferDesc& buff) {
+    BufferDesc newBuffer = {
+            .buffer.nativeHandle = buff.memHandle,
+            .pixelSize = buff.pixelSize,
+            .bufferId = buff.bufferId,
     };
-    memcpy(&desc, &newBufDesc.buffer.description, sizeof(desc));
-    newBufDesc.buffer.nativeHandle = buff.memHandle;
-    newBufDesc.pixelSize = buff.pixelSize;
-    newBufDesc.bufferId = buff.bufferId;
-
-    return fillTestFrame(newBufDesc);
+    AHardwareBuffer_Desc* pDesc =
+            reinterpret_cast<AHardwareBuffer_Desc*>(&newBuffer.buffer.description);
+    *pDesc = {
+            buff.width,   // width
+            buff.height,  // height
+            1,            // layers, always 1 for EVS
+            buff.format,  // One of AHardwareBuffer_Format
+            buff.usage,   // Combination of AHardwareBuffer_UsageFlags
+            buff.stride,  // Row stride in pixels
+            0,            // Reserved
+            0             // Reserved
+    };
+    return fillTestFrame(newBuffer);
 }
 
-
-void EvsCamera::returnBuffer(const uint32_t bufferId, const buffer_handle_t memHandle) {
-    std::lock_guard <std::mutex> lock(mAccessLock);
-
+void EvsCamera::returnBufferLocked(const uint32_t bufferId, const buffer_handle_t memHandle) {
     if (memHandle == nullptr) {
         ALOGE("ignoring doneWithFrame called with null handle");
     } else if (bufferId >= mBuffers.size()) {
-        ALOGE("ignoring doneWithFrame called with invalid bufferId %d (max is %zu)",
-              bufferId, mBuffers.size()-1);
+        ALOGE("ignoring doneWithFrame called with invalid bufferId %d (max is %zu)", bufferId,
+              mBuffers.size() - 1);
     } else if (!mBuffers[bufferId].inUse) {
-        ALOGE("ignoring doneWithFrame called on frame %d which is already free",
-              bufferId);
+        ALOGE("ignoring doneWithFrame called on frame %d which is already free", bufferId);
     } else {
         // Mark the frame as available
         mBuffers[bufferId].inUse = false;
@@ -683,42 +719,33 @@
     }
 }
 
-
-sp<EvsCamera> EvsCamera::Create(const char *deviceName) {
-    unique_ptr<ConfigManager::CameraInfo> nullCamInfo = nullptr;
+sp<EvsCamera> EvsCamera::Create(const char* deviceName) {
+    std::unique_ptr<ConfigManager::CameraInfo> nullCamInfo = nullptr;
 
     return Create(deviceName, nullCamInfo);
 }
 
-
-sp<EvsCamera> EvsCamera::Create(const char *deviceName,
-                                unique_ptr<ConfigManager::CameraInfo> &camInfo,
-                                const Stream *streamCfg) {
+sp<EvsCamera> EvsCamera::Create(const char* deviceName,
+                                std::unique_ptr<ConfigManager::CameraInfo>& camInfo,
+                                [[maybe_unused]] const Stream* streamCfg) {
     sp<EvsCamera> evsCamera = new EvsCamera(deviceName, camInfo);
     if (evsCamera == nullptr) {
         return nullptr;
     }
 
-    /* default implementation does not use a given configuration */
-    (void)streamCfg;
-
-    /* Use the first resolution from the list for the testing */
+    // Use the first resolution from the list for the testing
+    // TODO(b/214835237): Uses a given Stream configuration to choose the best
+    // stream configuration.
     auto it = camInfo->streamConfigurations.begin();
     evsCamera->mWidth = it->second[1];
     evsCamera->mHeight = it->second[2];
-    evsCamera->mDescription.v1.vendorFlags = 0xFFFFFFFF; // Arbitrary test value
+    evsCamera->mDescription.v1.vendorFlags = 0xFFFFFFFF;  // Arbitrary test value
 
     evsCamera->mFormat = HAL_PIXEL_FORMAT_RGBA_8888;
-    evsCamera->mUsage  = GRALLOC_USAGE_HW_TEXTURE | GRALLOC_USAGE_HW_CAMERA_WRITE |
-                         GRALLOC_USAGE_SW_READ_RARELY | GRALLOC_USAGE_SW_WRITE_RARELY;
+    evsCamera->mUsage = GRALLOC_USAGE_HW_TEXTURE | GRALLOC_USAGE_HW_CAMERA_WRITE |
+                        GRALLOC_USAGE_SW_READ_RARELY | GRALLOC_USAGE_SW_WRITE_RARELY;
 
     return evsCamera;
 }
 
-
-} // namespace implementation
-} // namespace V1_0
-} // namespace evs
-} // namespace automotive
-} // namespace hardware
-} // namespace android
+}  // namespace android::hardware::automotive::evs::V1_1::implementation
diff --git a/automotive/evs/1.1/default/EvsCamera.h b/automotive/evs/1.1/default/EvsCamera.h
index 6163a34..1ea1186 100644
--- a/automotive/evs/1.1/default/EvsCamera.h
+++ b/automotive/evs/1.1/default/EvsCamera.h
@@ -17,91 +17,70 @@
 #ifndef ANDROID_HARDWARE_AUTOMOTIVE_EVS_V1_1_EVSCAMERA_H
 #define ANDROID_HARDWARE_AUTOMOTIVE_EVS_V1_1_EVSCAMERA_H
 
-#include <android/hardware/automotive/evs/1.1/types.h>
+#include "ConfigManager.h"
+
 #include <android/hardware/automotive/evs/1.1/IEvsCamera.h>
 #include <android/hardware/automotive/evs/1.1/IEvsCameraStream.h>
 #include <android/hardware/automotive/evs/1.1/IEvsDisplay.h>
+#include <android/hardware/automotive/evs/1.1/types.h>
 #include <ui/GraphicBuffer.h>
 
 #include <thread>
 
-#include "ConfigManager.h"
-
-using BufferDesc_1_0 = ::android::hardware::automotive::evs::V1_0::BufferDesc;
-using BufferDesc_1_1 = ::android::hardware::automotive::evs::V1_1::BufferDesc;
-using IEvsCameraStream_1_0 = ::android::hardware::automotive::evs::V1_0::IEvsCameraStream;
-using IEvsCameraStream_1_1 = ::android::hardware::automotive::evs::V1_1::IEvsCameraStream;
-using ::android::hardware::automotive::evs::V1_0::EvsResult;
-using ::android::hardware::automotive::evs::V1_0::CameraDesc;
-using IEvsDisplay_1_0 = ::android::hardware::automotive::evs::V1_0::IEvsDisplay;
-using IEvsDisplay_1_1 = ::android::hardware::automotive::evs::V1_1::IEvsDisplay;
-
-
-namespace android {
-namespace hardware {
-namespace automotive {
-namespace evs {
-namespace V1_1 {
-namespace implementation {
-
+namespace android::hardware::automotive::evs::V1_1::implementation {
 
 // From EvsEnumerator.h
 class EvsEnumerator;
 
-
 class EvsCamera : public IEvsCamera {
-public:
+  public:
     // Methods from ::android::hardware::automotive::evs::V1_0::IEvsCamera follow.
-    Return<void>      getCameraInfo(getCameraInfo_cb _hidl_cb)  override;
-    Return<EvsResult> setMaxFramesInFlight(uint32_t bufferCount) override;
-    Return<EvsResult> startVideoStream(const ::android::sp<IEvsCameraStream_1_0>& stream) override;
-    Return<void>      stopVideoStream() override;
-    Return<void>      doneWithFrame(const BufferDesc_1_0& buffer) override;
+    Return<void> getCameraInfo(getCameraInfo_cb _hidl_cb) override;
+    Return<V1_0::EvsResult> setMaxFramesInFlight(uint32_t bufferCount) override;
+    Return<V1_0::EvsResult> startVideoStream(const sp<V1_0::IEvsCameraStream>& stream) override;
+    Return<void> stopVideoStream() override;
+    Return<void> doneWithFrame(const V1_0::BufferDesc& buffer) override;
 
-    Return<int32_t>   getExtendedInfo(uint32_t opaqueIdentifier) override;
-    Return<EvsResult> setExtendedInfo(uint32_t opaqueIdentifier, int32_t opaqueValue) override;
+    Return<int32_t> getExtendedInfo(uint32_t opaqueIdentifier) override;
+    Return<V1_0::EvsResult> setExtendedInfo(uint32_t opaqueIdentifier,
+                                            int32_t opaqueValue) override;
 
     // Methods from ::android::hardware::automotive::evs::V1_1::IEvsCamera follow.
-    Return<void>      getCameraInfo_1_1(getCameraInfo_1_1_cb _hidl_cb)  override;
-    Return<void>      getPhysicalCameraInfo(const hidl_string& id,
-                                            getPhysicalCameraInfo_cb _hidl_cb)  override;
-    Return<EvsResult> pauseVideoStream() override;
-    Return<EvsResult> resumeVideoStream() override;
-    Return<EvsResult> doneWithFrame_1_1(const hidl_vec<BufferDesc_1_1>& buffer) override;
-    Return<EvsResult> setMaster() override;
-    Return<EvsResult> forceMaster(const sp<IEvsDisplay_1_0>& display) override;
-    Return<EvsResult> unsetMaster() override;
-    Return<void>      getParameterList(getParameterList_cb _hidl_cb) override;
-    Return<void>      getIntParameterRange(CameraParam id,
-                                           getIntParameterRange_cb _hidl_cb) override;
-    Return<void>      setIntParameter(CameraParam id, int32_t value,
-                                      setIntParameter_cb _hidl_cb) override;
-    Return<void>      getIntParameter(CameraParam id,
-                                      getIntParameter_cb _hidl_cb) override;
-    Return<EvsResult> setExtendedInfo_1_1(uint32_t opaqueIdentifier,
-                                          const hidl_vec<uint8_t>& opaqueValue) override;
-    Return<void>      getExtendedInfo_1_1(uint32_t opaqueIdentifier,
-                                          getExtendedInfo_1_1_cb _hidl_cb) override;
-    Return<void>      importExternalBuffers(const hidl_vec<BufferDesc_1_1>& buffers,
-                                            importExternalBuffers_cb _hidl_cb) override;
+    Return<void> getCameraInfo_1_1(getCameraInfo_1_1_cb _hidl_cb) override;
+    Return<void> getPhysicalCameraInfo(const hidl_string& id,
+                                       getPhysicalCameraInfo_cb _hidl_cb) override;
+    Return<V1_0::EvsResult> pauseVideoStream() override;
+    Return<V1_0::EvsResult> resumeVideoStream() override;
+    Return<V1_0::EvsResult> doneWithFrame_1_1(const hidl_vec<BufferDesc>& buffer) override;
+    Return<V1_0::EvsResult> setMaster() override;
+    Return<V1_0::EvsResult> forceMaster(const sp<V1_0::IEvsDisplay>& display) override;
+    Return<V1_0::EvsResult> unsetMaster() override;
+    Return<void> getParameterList(getParameterList_cb _hidl_cb) override;
+    Return<void> getIntParameterRange(CameraParam id, getIntParameterRange_cb _hidl_cb) override;
+    Return<void> setIntParameter(CameraParam id, int32_t value,
+                                 setIntParameter_cb _hidl_cb) override;
+    Return<void> getIntParameter(CameraParam id, getIntParameter_cb _hidl_cb) override;
+    Return<V1_0::EvsResult> setExtendedInfo_1_1(uint32_t opaqueIdentifier,
+                                                const hidl_vec<uint8_t>& opaqueValue) override;
+    Return<void> getExtendedInfo_1_1(uint32_t opaqueIdentifier,
+                                     getExtendedInfo_1_1_cb _hidl_cb) override;
+    Return<void> importExternalBuffers(const hidl_vec<BufferDesc>& buffers,
+                                       importExternalBuffers_cb _hidl_cb) override;
 
-    static sp<EvsCamera> Create(const char *deviceName);
-    static sp<EvsCamera> Create(const char *deviceName,
-                                unique_ptr<ConfigManager::CameraInfo> &camInfo,
-                                const Stream *streamCfg = nullptr);
+    static sp<EvsCamera> Create(const char* deviceName);
+    static sp<EvsCamera> Create(const char* deviceName,
+                                std::unique_ptr<ConfigManager::CameraInfo>& camInfo,
+                                const Stream* streamCfg = nullptr);
     EvsCamera(const EvsCamera&) = delete;
     EvsCamera& operator=(const EvsCamera&) = delete;
 
     virtual ~EvsCamera() override;
-    void forceShutdown();   // This gets called if another caller "steals" ownership of the camera
+    void forceShutdown();  // This gets called if another caller "steals" ownership of the camera
 
     const CameraDesc& getDesc() { return mDescription; };
 
-    static const char kCameraName_Backup[];
-
-private:
-    EvsCamera(const char *id,
-              unique_ptr<ConfigManager::CameraInfo> &camInfo);
+  private:
+    EvsCamera(const char* id, std::unique_ptr<ConfigManager::CameraInfo>& camInfo);
     // These three functions are expected to be called while mAccessLock is held
     //
     bool setAvailableFrames_Locked(unsigned bufferCount);
@@ -109,34 +88,34 @@
     unsigned decreaseAvailableFrames_Locked(unsigned numToRemove);
 
     void generateFrames();
-    void fillTestFrame(const BufferDesc_1_0& buff);
-    void fillTestFrame(const BufferDesc_1_1& buff);
-    void returnBuffer(const uint32_t bufferId, const buffer_handle_t memHandle);
+    void fillTestFrame(const V1_0::BufferDesc& buff);
+    void fillTestFrame(const BufferDesc& buff);
+    void returnBufferLocked(const uint32_t bufferId, const buffer_handle_t memHandle);
 
     sp<EvsEnumerator> mEnumerator;  // The enumerator object that created this camera
 
-    CameraDesc mDescription = {};   // The properties of this camera
+    CameraDesc mDescription = {};  // The properties of this camera
 
-    std::thread mCaptureThread;     // The thread we'll use to synthesize frames
+    std::thread mCaptureThread;  // The thread we'll use to synthesize frames
 
-    uint32_t mWidth  = 0;           // Horizontal pixel count in the buffers
-    uint32_t mHeight = 0;           // Vertical pixel count in the buffers
-    uint32_t mFormat = 0;           // Values from android_pixel_format_t
-    uint64_t mUsage  = 0;           // Values from from Gralloc.h
-    uint32_t mStride = 0;           // Bytes per line in the buffers
+    uint32_t mWidth = 0;   // Horizontal pixel count in the buffers
+    uint32_t mHeight = 0;  // Vertical pixel count in the buffers
+    uint32_t mFormat = 0;  // Values from android_pixel_format_t
+    uint64_t mUsage = 0;   // Values from from Gralloc.h
+    uint32_t mStride = 0;  // Bytes per line in the buffers
 
-    sp<IEvsCameraStream_1_1> mStream = nullptr;  // The callback used to deliver each frame
+    sp<IEvsCameraStream> mStream = nullptr;  // The callback used to deliver each frame
 
     struct BufferRecord {
         buffer_handle_t handle;
         bool inUse;
 
-        explicit BufferRecord(buffer_handle_t h) : handle(h), inUse(false) {};
+        explicit BufferRecord(buffer_handle_t h) : handle(h), inUse(false){};
     };
 
-    std::vector <BufferRecord> mBuffers;  // Graphics buffers to transfer images
-    unsigned mFramesAllowed;              // How many buffers are we currently using
-    unsigned mFramesInUse;                // How many buffers are currently outstanding
+    std::vector<BufferRecord> mBuffers;  // Graphics buffers to transfer images
+    unsigned mFramesAllowed;             // How many buffers are we currently using
+    unsigned mFramesInUse;               // How many buffers are currently outstanding
 
     enum StreamStateValues {
         STOPPED,
@@ -150,14 +129,13 @@
     std::mutex mAccessLock;
 
     // Static camera module information
-    unique_ptr<ConfigManager::CameraInfo> &mCameraInfo;
+    std::unique_ptr<ConfigManager::CameraInfo>& mCameraInfo;
+
+    // For the extended info
+    std::unordered_map<uint32_t, hidl_vec<uint8_t>> mExtInfo;
+    std::unordered_map<CameraParam, int32_t> mParams;
 };
 
-} // namespace implementation
-} // namespace V1_1
-} // namespace evs
-} // namespace automotive
-} // namespace hardware
-} // namespace android
+}  // namespace android::hardware::automotive::evs::V1_1::implementation
 
 #endif  // ANDROID_HARDWARE_AUTOMOTIVE_EVS_V1_1_EVSCAMERA_H
diff --git a/automotive/evs/1.1/default/EvsDisplay.cpp b/automotive/evs/1.1/default/EvsDisplay.cpp
index 2b5a4a9..f7169e5 100644
--- a/automotive/evs/1.1/default/EvsDisplay.cpp
+++ b/automotive/evs/1.1/default/EvsDisplay.cpp
@@ -14,8 +14,6 @@
  * limitations under the License.
  */
 
-#define LOG_TAG "android.hardware.automotive.evs@1.1-service"
-
 #include "EvsDisplay.h"
 
 #include <ui/GraphicBufferAllocator.h>
@@ -23,51 +21,53 @@
 
 using ::android::frameworks::automotive::display::V1_0::HwDisplayConfig;
 using ::android::frameworks::automotive::display::V1_0::HwDisplayState;
+using ::android::frameworks::automotive::display::V1_0::IAutomotiveDisplayProxyService;
+using ::android::hardware::automotive::evs::V1_0::DisplayDesc;
+using ::android::hardware::automotive::evs::V1_0::DisplayState;
+using ::android::hardware::automotive::evs::V1_0::EvsResult;
 
-namespace android {
-namespace hardware {
-namespace automotive {
-namespace evs {
-namespace V1_1 {
-namespace implementation {
+namespace {
 
+    // Arbitrary magic number for self-recognition
+    constexpr uint32_t kDefaultDisplayBufferId = 0x3870;
+
+}  // namespace
+
+namespace android::hardware::automotive::evs::V1_1::implementation {
 
 EvsDisplay::EvsDisplay() {
     EvsDisplay(nullptr, 0);
 }
 
-
 EvsDisplay::EvsDisplay(sp<IAutomotiveDisplayProxyService> pDisplayProxy, uint64_t displayId)
     : mDisplayProxy(pDisplayProxy),
-      mDisplayId(displayId) {
+      mDisplayId(displayId),
+      mGlWrapper(std::make_unique<GlWrapper>()) {
     ALOGD("EvsDisplay instantiated");
 
     // Set up our self description
     // NOTE:  These are arbitrary values chosen for testing
-    mInfo.displayId             = "Mock Display";
-    mInfo.vendorFlags           = 3870;
+    mInfo.displayId = "Mock Display";
+    mInfo.vendorFlags = 3870;
 
     // Assemble the buffer description we'll use for our render target
-    mBuffer.width       = 320;
-    mBuffer.height      = 240;
-    mBuffer.format      = HAL_PIXEL_FORMAT_RGBA_8888;
-    mBuffer.usage       = GRALLOC_USAGE_HW_RENDER | GRALLOC_USAGE_HW_COMPOSER;
-    mBuffer.bufferId    = 0x3870;  // Arbitrary magic number for self recognition
-    mBuffer.pixelSize   = 4;
+    mBuffer.width = 640;
+    mBuffer.height = 360;
+    mBuffer.format = HAL_PIXEL_FORMAT_RGBA_8888;
+    mBuffer.usage = GRALLOC_USAGE_HW_RENDER | GRALLOC_USAGE_HW_COMPOSER;
+    mBuffer.bufferId = kDefaultDisplayBufferId;
+    mBuffer.pixelSize = 4;
 }
 
-
 EvsDisplay::~EvsDisplay() {
     ALOGD("EvsDisplay being destroyed");
     forceShutdown();
 }
 
-
 /**
  * This gets called if another caller "steals" ownership of the display
  */
-void EvsDisplay::forceShutdown()
-{
+void EvsDisplay::forceShutdown() {
     ALOGD("EvsDisplay forceShutdown");
     std::lock_guard<std::mutex> lock(mAccessLock);
 
@@ -84,6 +84,11 @@
         GraphicBufferAllocator& alloc(GraphicBufferAllocator::get());
         alloc.free(mBuffer.memHandle);
         mBuffer.memHandle = nullptr;
+
+        if (mGlWrapper) {
+            mGlWrapper->hideWindow(mDisplayProxy, mDisplayId);
+            mGlWrapper->shutdown();
+        }
     }
 
     // Put this object into an unrecoverable error state since somebody else
@@ -91,20 +96,18 @@
     mRequestedState = DisplayState::DEAD;
 }
 
-
 /**
  * Returns basic information about the EVS display provided by the system.
  * See the description of the DisplayDesc structure for details.
  */
-Return<void> EvsDisplay::getDisplayInfo(getDisplayInfo_cb _hidl_cb)  {
+Return<void> EvsDisplay::getDisplayInfo(getDisplayInfo_cb _hidl_cb) {
     ALOGD("getDisplayInfo");
 
     // Send back our self description
     _hidl_cb(mInfo);
-    return Void();
+    return {};
 }
 
-
 /**
  * Clients may set the display state to express their desired state.
  * The HAL implementation must gracefully accept a request for any state
@@ -124,18 +127,28 @@
     }
 
     // Ensure we recognize the requested state so we don't go off the rails
-    if (state < DisplayState::NUM_STATES) {
-        // Record the requested state
-        mRequestedState = state;
-        return EvsResult::OK;
-    }
-    else {
-        // Turn off the display if asked for an unrecognized state
-        mRequestedState = DisplayState::NOT_VISIBLE;
+    if (state >= DisplayState::NUM_STATES) {
         return EvsResult::INVALID_ARG;
     }
-}
 
+    if (!mGlWrapper) {
+        switch (state) {
+            case DisplayState::NOT_VISIBLE:
+                mGlWrapper->hideWindow(mDisplayProxy, mDisplayId);
+                break;
+            case DisplayState::VISIBLE:
+                mGlWrapper->showWindow(mDisplayProxy, mDisplayId);
+                break;
+            default:
+                break;
+        }
+    }
+
+    // Record the requested state
+    mRequestedState = state;
+
+    return EvsResult::OK;
+}
 
 /**
  * The HAL implementation should report the actual current state, which might
@@ -144,14 +157,13 @@
  * the device layer, making it undesirable for the HAL implementation to
  * spontaneously change display states.
  */
-Return<DisplayState> EvsDisplay::getDisplayState()  {
+Return<DisplayState> EvsDisplay::getDisplayState() {
     ALOGD("getDisplayState");
     std::lock_guard<std::mutex> lock(mAccessLock);
 
     return mRequestedState;
 }
 
-
 /**
  * This call returns a handle to a frame buffer associated with the display.
  * This buffer may be locked and written to by software and/or GL.  This buffer
@@ -159,43 +171,55 @@
  * display is no longer visible.
  */
 // TODO: We need to know if/when our client dies so we can get the buffer back! (blocked b/31632518)
-Return<void> EvsDisplay::getTargetBuffer(getTargetBuffer_cb _hidl_cb)  {
+Return<void> EvsDisplay::getTargetBuffer(getTargetBuffer_cb _hidl_cb) {
     ALOGD("getTargetBuffer");
     std::lock_guard<std::mutex> lock(mAccessLock);
 
     if (mRequestedState == DisplayState::DEAD) {
         ALOGE("Rejecting buffer request from object that lost ownership of the display.");
-        BufferDesc_1_0 nullBuff = {};
-        _hidl_cb(nullBuff);
-        return Void();
+        _hidl_cb({});
+        return {};
     }
 
     // If we don't already have a buffer, allocate one now
     if (!mBuffer.memHandle) {
+        // Initialize our display window
+        // NOTE:  This will cause the display to become "VISIBLE" before a frame is actually
+        // returned, which is contrary to the spec and will likely result in a black frame being
+        // (briefly) shown.
+        if (mGlWrapper->initialize(mDisplayProxy, mDisplayId)) {
+            // Assemble the buffer description we'll use for our render target
+            mBuffer.width = mGlWrapper->getWidth();
+            mBuffer.height = mGlWrapper->getHeight();
+            mBuffer.format = HAL_PIXEL_FORMAT_RGBA_8888;
+            mBuffer.usage = GRALLOC_USAGE_HW_RENDER | GRALLOC_USAGE_HW_COMPOSER;
+            mBuffer.bufferId = kDefaultDisplayBufferId;
+            mBuffer.pixelSize = 4;
+        } else {
+            // If we failed to initialize a EGL, then we're not going to display
+            // any.
+            mGlWrapper = nullptr;
+        }
+
         // Allocate the buffer that will hold our displayable image
         buffer_handle_t handle = nullptr;
         GraphicBufferAllocator& alloc(GraphicBufferAllocator::get());
-        status_t result = alloc.allocate(
-            mBuffer.width, mBuffer.height, mBuffer.format, 1, mBuffer.usage,
-            &handle, &mBuffer.stride, 0, "EvsDisplay");
-        if (result != NO_ERROR) {
-            ALOGE("Error %d allocating %d x %d graphics buffer",
-                  result, mBuffer.width, mBuffer.height);
-            BufferDesc_1_0 nullBuff = {};
-            _hidl_cb(nullBuff);
-            return Void();
-        }
-        if (!handle) {
-            ALOGE("We didn't get a buffer handle back from the allocator");
-            BufferDesc_1_0 nullBuff = {};
-            _hidl_cb(nullBuff);
-            return Void();
+        status_t result = alloc.allocate(mBuffer.width, mBuffer.height, mBuffer.format, 1,
+                                         mBuffer.usage, &handle, &mBuffer.stride, 0, "EvsDisplay");
+        if (result != NO_ERROR || !handle) {
+            ALOGE("Error %d allocating %d x %d graphics buffer", result, mBuffer.width,
+                  mBuffer.height);
+            if (mGlWrapper) {
+                mGlWrapper->shutdown();
+            }
+            _hidl_cb({});
+            return {};
         }
 
         mBuffer.memHandle = handle;
         mFrameBusy = false;
-        ALOGD("Allocated new buffer %p with stride %u",
-              mBuffer.memHandle.getNativeHandle(), mBuffer.stride);
+        ALOGD("Allocated new buffer %p with stride %u", mBuffer.memHandle.getNativeHandle(),
+              mBuffer.stride);
     }
 
     // Do we have a frame available?
@@ -205,41 +229,40 @@
         // a previously issued buffer yet (they're behaving badly).
         // NOTE:  We have to make the callback even if we have nothing to provide
         ALOGE("getTargetBuffer called while no buffers available.");
-        BufferDesc_1_0 nullBuff = {};
-        _hidl_cb(nullBuff);
-        return Void();
+        _hidl_cb({});
+        return {};
     } else {
         // Mark our buffer as busy
         mFrameBusy = true;
 
         // Send the buffer to the client
-        ALOGD("Providing display buffer handle %p as id %d",
-              mBuffer.memHandle.getNativeHandle(), mBuffer.bufferId);
+        ALOGD("Providing display buffer handle %p as id %d", mBuffer.memHandle.getNativeHandle(),
+              mBuffer.bufferId);
         _hidl_cb(mBuffer);
-        return Void();
+        return {};
     }
 }
 
-
 /**
  * This call tells the display that the buffer is ready for display.
  * The buffer is no longer valid for use by the client after this call.
  */
-Return<EvsResult> EvsDisplay::returnTargetBufferForDisplayImpl(const uint32_t bufferId, const buffer_handle_t memHandle) {
+Return<EvsResult> EvsDisplay::returnTargetBufferForDisplayImpl(const uint32_t bufferId,
+                                                               const buffer_handle_t memHandle) {
     ALOGD("returnTargetBufferForDisplay %p", memHandle);
     std::lock_guard<std::mutex> lock(mAccessLock);
 
     // Nobody should call us with a null handle
     if (!memHandle) {
-        ALOGE ("returnTargetBufferForDisplay called without a valid buffer handle.\n");
+        ALOGE("returnTargetBufferForDisplay called without a valid buffer handle.\n");
         return EvsResult::INVALID_ARG;
     }
     if (bufferId != mBuffer.bufferId) {
-        ALOGE ("Got an unrecognized frame returned.\n");
+        ALOGE("Got an unrecognized frame returned.\n");
         return EvsResult::INVALID_ARG;
     }
     if (!mFrameBusy) {
-        ALOGE ("A frame was returned with no outstanding frames.\n");
+        ALOGE("A frame was returned with no outstanding frames.\n");
         return EvsResult::BUFFER_NOT_AVAILABLE;
     }
 
@@ -253,23 +276,32 @@
     // If we were waiting for a new frame, this is it!
     if (mRequestedState == DisplayState::VISIBLE_ON_NEXT_FRAME) {
         mRequestedState = DisplayState::VISIBLE;
+        if (mGlWrapper) {
+            mGlWrapper->showWindow(mDisplayProxy, mDisplayId);
+        }
     }
 
     // Validate we're in an expected state
     if (mRequestedState != DisplayState::VISIBLE) {
         // We shouldn't get frames back when we're not visible.
-        ALOGE ("Got an unexpected frame returned while not visible - ignoring.\n");
-    } else {
+        ALOGE("Got an unexpected frame returned while not visible - ignoring.\n");
+    } else if (mGlWrapper) {
         // This is where the buffer would be made visible.
-        // For now we simply validate it has the data we expect in it by reading it back
+        if (!mGlWrapper->updateImageTexture(mBuffer)) {
+            return EvsResult::UNDERLYING_SERVICE_ERROR;
+        }
 
+        // Put the image on the screen
+        mGlWrapper->renderImageToScreen();
+    } else {
+        // TODO: Move below validation logic to somewhere else
+#if 0
+        // For now we simply validate it has the data we expect in it by reading it back
         // Lock our display buffer for reading
         uint32_t* pixels = nullptr;
-        GraphicBufferMapper &mapper = GraphicBufferMapper::get();
-        mapper.lock(mBuffer.memHandle,
-                    GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_NEVER,
-                    android::Rect(mBuffer.width, mBuffer.height),
-                    (void **)&pixels);
+        GraphicBufferMapper& mapper = GraphicBufferMapper::get();
+        mapper.lock(mBuffer.memHandle, GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_NEVER,
+                    android::Rect(mBuffer.width, mBuffer.height), (void**)&pixels);
 
         // If we failed to lock the pixel buffer, we're about to crash, but log it first
         if (!pixels) {
@@ -286,8 +318,8 @@
                 // 0xFF in the MSB.
                 // The exception is the very first 32 bits which is used for the
                 // time varying frame signature to avoid getting fooled by a static image.
-                uint32_t expectedPixel = 0xFF0000FF           | // MSB and LSB
-                                         ((row & 0xFF) <<  8) | // vertical gradient
+                uint32_t expectedPixel = 0xFF0000FF |           // MSB and LSB
+                                         ((row & 0xFF) << 8) |  // vertical gradient
                                          ((col & 0xFF) << 16);  // horizontal gradient
                 if ((row | col) == 0) {
                     // we'll check the "uniqueness" of the frame signature below
@@ -318,39 +350,31 @@
             ALOGE("Duplicate, likely stale frame buffer detected");
         }
 
-
         // Release our output buffer
         mapper.unlock(mBuffer.memHandle);
 
         if (!frameLooksGood) {
             return EvsResult::UNDERLYING_SERVICE_ERROR;
         }
+#endif
     }
 
     return EvsResult::OK;
 }
 
-
-Return<EvsResult> EvsDisplay::returnTargetBufferForDisplay(const BufferDesc_1_0& buffer)  {
+Return<EvsResult> EvsDisplay::returnTargetBufferForDisplay(const V1_0::BufferDesc& buffer) {
     return returnTargetBufferForDisplayImpl(buffer.bufferId, buffer.memHandle);
 }
 
-
 Return<void> EvsDisplay::getDisplayInfo_1_1(getDisplayInfo_1_1_cb _info_cb) {
     if (mDisplayProxy != nullptr) {
         return mDisplayProxy->getDisplayInfo(mDisplayId, _info_cb);
     } else {
         HwDisplayConfig nullConfig;
-        HwDisplayState  nullState;
+        HwDisplayState nullState;
         _info_cb(nullConfig, nullState);
-        return Void();
+        return {};
     }
 }
 
-
-} // namespace implementation
-} // namespace V1_1
-} // namespace evs
-} // namespace automotive
-} // namespace hardware
-} // namespace android
+}  // namespace android::hardware::automotive::evs::V1_1::implementation
diff --git a/automotive/evs/1.1/default/EvsDisplay.h b/automotive/evs/1.1/default/EvsDisplay.h
index 9b2ed90..b2ec3e8 100644
--- a/automotive/evs/1.1/default/EvsDisplay.h
+++ b/automotive/evs/1.1/default/EvsDisplay.h
@@ -17,64 +17,48 @@
 #ifndef ANDROID_HARDWARE_AUTOMOTIVE_EVS_V1_1_EVSDISPLAY_H
 #define ANDROID_HARDWARE_AUTOMOTIVE_EVS_V1_1_EVSDISPLAY_H
 
-#include <android/hardware/automotive/evs/1.1/IEvsDisplay.h>
+#include "GlWrapper.h"
+
 #include <android/frameworks/automotive/display/1.0/IAutomotiveDisplayProxyService.h>
+#include <android/hardware/automotive/evs/1.1/IEvsDisplay.h>
 #include <ui/GraphicBuffer.h>
 
-using ::android::hardware::automotive::evs::V1_1::IEvsDisplay;
-using ::android::hardware::automotive::evs::V1_0::DisplayDesc;
-using ::android::hardware::automotive::evs::V1_0::DisplayState;
-using ::android::hardware::automotive::evs::V1_0::EvsResult;
-using BufferDesc_1_0 = ::android::hardware::automotive::evs::V1_0::BufferDesc;
-using android::frameworks::automotive::display::V1_0::IAutomotiveDisplayProxyService;
-
-namespace android {
-namespace hardware {
-namespace automotive {
-namespace evs {
-namespace V1_1 {
-namespace implementation {
-
+namespace android::hardware::automotive::evs::V1_1::implementation {
 
 class EvsDisplay : public IEvsDisplay {
-public:
+  public:
     // Methods from ::android::hardware::automotive::evs::V1_0::IEvsDisplay follow.
-    Return<void>         getDisplayInfo(getDisplayInfo_cb _hidl_cb)  override;
-    Return<EvsResult>    setDisplayState(DisplayState state)  override;
-    Return<DisplayState> getDisplayState()  override;
-    Return<void>         getTargetBuffer(getTargetBuffer_cb _hidl_cb)  override;
-    Return<EvsResult>    returnTargetBufferForDisplay(const BufferDesc_1_0& buffer)  override;
+    Return<void> getDisplayInfo(getDisplayInfo_cb _hidl_cb) override;
+    Return<V1_0::EvsResult> setDisplayState(V1_0::DisplayState state) override;
+    Return<V1_0::DisplayState> getDisplayState() override;
+    Return<void> getTargetBuffer(getTargetBuffer_cb _hidl_cb) override;
+    Return<V1_0::EvsResult> returnTargetBufferForDisplay(const V1_0::BufferDesc& buffer) override;
 
     // Methods from ::android::hardware::automotive::evs::V1_1::IEvsDisplay follow.
-    Return<void>         getDisplayInfo_1_1(getDisplayInfo_1_1_cb _info_cb) override;
+    Return<void> getDisplayInfo_1_1(getDisplayInfo_1_1_cb _info_cb) override;
 
     // Implementation details
     EvsDisplay();
-    EvsDisplay(sp<IAutomotiveDisplayProxyService> pDisplayProxy, uint64_t displayId);
+    EvsDisplay(
+            sp<frameworks::automotive::display::V1_0::IAutomotiveDisplayProxyService> pDisplayProxy,
+            uint64_t displayId);
     virtual ~EvsDisplay() override;
 
-    void forceShutdown();   // This gets called if another caller "steals" ownership of the display
-    Return<EvsResult> returnTargetBufferForDisplayImpl(const uint32_t bufferId,
-                                                       const buffer_handle_t memHandle);
+    void forceShutdown();  // This gets called if another caller "steals" ownership of the display
+    Return<V1_0::EvsResult> returnTargetBufferForDisplayImpl(const uint32_t bufferId,
+                                                             const buffer_handle_t memHandle);
 
-private:
-    DisplayDesc     mInfo           = {};
-    BufferDesc_1_0  mBuffer         = {};       // A graphics buffer into which we'll store images
-
-    bool            mFrameBusy      = false;    // A flag telling us our buffer is in use
-    DisplayState    mRequestedState = DisplayState::NOT_VISIBLE;
-
-    std::mutex      mAccessLock;
-
-    sp<IAutomotiveDisplayProxyService> mDisplayProxy;
-    uint64_t                           mDisplayId;
+  private:
+    V1_0::DisplayDesc mInfo = {};
+    V1_0::BufferDesc mBuffer = {};  // A graphics buffer into which we'll store images
+    V1_0::DisplayState mRequestedState = V1_0::DisplayState::NOT_VISIBLE;
+    bool mFrameBusy = false;  // A flag telling us our buffer is in use
+    std::mutex mAccessLock;
+    sp<frameworks::automotive::display::V1_0::IAutomotiveDisplayProxyService> mDisplayProxy;
+    uint64_t mDisplayId;
+    std::unique_ptr<GlWrapper> mGlWrapper;
 };
 
-} // namespace implementation
-} // namespace V1_1
-} // namespace evs
-} // namespace automotive
-} // namespace hardware
-} // namespace android
+}  // namespace android::hardware::automotive::evs::V1_1::implementation
 
 #endif  // ANDROID_HARDWARE_AUTOMOTIVE_EVS_V1_1_EVSDISPLAY_H
diff --git a/automotive/evs/1.1/default/EvsEnumerator.cpp b/automotive/evs/1.1/default/EvsEnumerator.cpp
index d066471..b84268a 100644
--- a/automotive/evs/1.1/default/EvsEnumerator.cpp
+++ b/automotive/evs/1.1/default/EvsEnumerator.cpp
@@ -14,184 +14,171 @@
  * limitations under the License.
  */
 
-#define LOG_TAG "android.hardware.automotive.evs@1.1-service"
-
 #include "EvsEnumerator.h"
 #include "EvsCamera.h"
 #include "EvsDisplay.h"
 #include "EvsUltrasonicsArray.h"
 
-namespace android {
-namespace hardware {
-namespace automotive {
-namespace evs {
-namespace V1_1 {
-namespace implementation {
+using android::frameworks::automotive::display::V1_0::IAutomotiveDisplayProxyService;
+using android::hardware::automotive::evs::V1_0::EvsResult;
 
+namespace android::hardware::automotive::evs::V1_1::implementation {
+
+namespace evs_v1_0 = ::android::hardware::automotive::evs::V1_0;
 
 // NOTE:  All members values are static so that all clients operate on the same state
 //        That is to say, this is effectively a singleton despite the fact that HIDL
 //        constructs a new instance for each client.
-std::list<EvsEnumerator::CameraRecord>              EvsEnumerator::sCameraList;
-wp<EvsDisplay>                                      EvsEnumerator::sActiveDisplay;
-unique_ptr<ConfigManager>                           EvsEnumerator::sConfigManager;
-sp<IAutomotiveDisplayProxyService>                  EvsEnumerator::sDisplayProxyService;
-std::unordered_map<uint8_t, uint64_t>               EvsEnumerator::sDisplayPortList;
-std::list<EvsEnumerator::UltrasonicsArrayRecord>    EvsEnumerator::sUltrasonicsArrayRecordList;
+std::list<EvsEnumerator::CameraRecord> EvsEnumerator::sCameraList;
+wp<EvsDisplay> EvsEnumerator::sActiveDisplay;
+std::unique_ptr<ConfigManager> EvsEnumerator::sConfigManager;
+sp<IAutomotiveDisplayProxyService> EvsEnumerator::sDisplayProxyService;
+std::unordered_map<uint8_t, uint64_t> EvsEnumerator::sDisplayPortList;
+std::list<EvsEnumerator::UltrasonicsArrayRecord> EvsEnumerator::sUltrasonicsArrayRecordList;
+uint64_t EvsEnumerator::sInternalDisplayId;
 
-EvsEnumerator::EvsEnumerator(sp<IAutomotiveDisplayProxyService> windowService) {
-    ALOGD("EvsEnumerator created");
+EvsEnumerator::EvsEnumerator(sp<IAutomotiveDisplayProxyService>& windowService) {
+    ALOGD("%s", __FUNCTION__);
 
     // Add sample camera data to our list of cameras
     // In a real driver, this would be expected to can the available hardware
     sConfigManager =
-        ConfigManager::Create("/vendor/etc/automotive/evs/evs_default_configuration.xml");
+            ConfigManager::Create("/vendor/etc/automotive/evs/evs_default_configuration.xml");
 
     // Add available cameras
     for (auto v : sConfigManager->getCameraList()) {
-        sCameraList.emplace_back(v.c_str());
+        CameraRecord rec(v.data());
+        std::unique_ptr<ConfigManager::CameraInfo>& pInfo = sConfigManager->getCameraInfo(v);
+        if (pInfo) {
+            rec.desc.metadata.setToExternal(reinterpret_cast<uint8_t*>(pInfo->characteristics),
+                                            get_camera_metadata_size(pInfo->characteristics));
+        }
+        sCameraList.push_back(std::move(rec));
     }
 
-    if (sDisplayProxyService == nullptr) {
+    if (!sDisplayProxyService) {
         /* sets a car-window service handle */
         sDisplayProxyService = windowService;
     }
 
     // Add available displays
-    if (sDisplayProxyService != nullptr) {
+    if (sDisplayProxyService) {
         // Get a display ID list.
-        sDisplayProxyService->getDisplayIdList([](const auto& displayIds) {
-            for (const auto& id : displayIds) {
-                const auto port = id & 0xF;
-                sDisplayPortList.insert_or_assign(port, id);
+        auto status = sDisplayProxyService->getDisplayIdList([](const auto& displayIds) {
+            if (displayIds.size() > 0) {
+                sInternalDisplayId = displayIds[0];
+                for (const auto& id : displayIds) {
+                    const auto port = id & 0xF;
+                    sDisplayPortList.insert_or_assign(port, id);
+                }
             }
         });
+
+        if (!status.isOk()) {
+            ALOGE("Failed to read a display list");
+        }
     }
 
     // Add ultrasonics array desc.
-    sUltrasonicsArrayRecordList.emplace_back(
-            EvsUltrasonicsArray::GetMockArrayDesc("front_array"));
+    sUltrasonicsArrayRecordList.emplace_back(EvsUltrasonicsArray::GetMockArrayDesc("front_array"));
 }
 
-
 // Methods from ::android::hardware::automotive::evs::V1_0::IEvsEnumerator follow.
-Return<void> EvsEnumerator::getCameraList(getCameraList_cb _hidl_cb)  {
-    ALOGD("getCameraList");
+Return<void> EvsEnumerator::getCameraList(getCameraList_cb _hidl_cb) {
+    ALOGD("%s", __FUNCTION__);
 
-    const unsigned numCameras = sCameraList.size();
+    const auto numCameras = sCameraList.size();
 
     // Build up a packed array of CameraDesc for return
     // NOTE:  Only has to live until the callback returns
-    std::vector<CameraDesc_1_0> descriptions;
+    std::vector<evs_v1_0::CameraDesc> descriptions;
     descriptions.reserve(numCameras);
     for (const auto& cam : sCameraList) {
-        descriptions.push_back( cam.desc.v1 );
+        descriptions.push_back(cam.desc.v1);
     }
 
     // Encapsulate our camera descriptions in the HIDL vec type
-    hidl_vec<CameraDesc_1_0> hidlCameras(descriptions);
+    hidl_vec<evs_v1_0::CameraDesc> hidlCameras(descriptions);
 
     // Send back the results
     ALOGD("reporting %zu cameras available", hidlCameras.size());
     _hidl_cb(hidlCameras);
-
-    // HIDL convention says we return Void if we sent our result back via callback
-    return Void();
+    return {};
 }
 
-
-Return<sp<IEvsCamera_1_0>> EvsEnumerator::openCamera(const hidl_string& cameraId) {
-    ALOGD("openCamera");
+Return<sp<evs_v1_0::IEvsCamera>> EvsEnumerator::openCamera(const hidl_string& cameraId) {
+    ALOGD("%s", __FUNCTION__);
 
     // Find the named camera
-    CameraRecord *pRecord = nullptr;
-    for (auto &&cam : sCameraList) {
-        if (cam.desc.v1.cameraId == cameraId) {
-            // Found a match!
-            pRecord = &cam;
-            break;
-        }
-    }
-
-    // Is this a recognized camera id?
-    if (!pRecord) {
+    auto it = std::find_if(sCameraList.begin(), sCameraList.end(), [&cameraId](const auto& cam) {
+        return cameraId == cam.desc.v1.cameraId;
+    });
+    if (it == sCameraList.end()) {
         ALOGE("Requested camera %s not found", cameraId.c_str());
         return nullptr;
     }
 
     // Has this camera already been instantiated by another caller?
-    sp<EvsCamera> pActiveCamera = pRecord->activeInstance.promote();
+    sp<EvsCamera> pActiveCamera = it->activeInstance.promote();
     if (pActiveCamera != nullptr) {
         ALOGW("Killing previous camera because of new caller");
         closeCamera(pActiveCamera);
     }
 
     // Construct a camera instance for the caller
-    if (sConfigManager == nullptr) {
+    if (!sConfigManager) {
         pActiveCamera = EvsCamera::Create(cameraId.c_str());
     } else {
-        pActiveCamera = EvsCamera::Create(cameraId.c_str(),
-                                          sConfigManager->getCameraInfo(cameraId));
+        pActiveCamera =
+                EvsCamera::Create(cameraId.c_str(), sConfigManager->getCameraInfo(cameraId));
     }
-    pRecord->activeInstance = pActiveCamera;
-    if (pActiveCamera == nullptr) {
+    it->activeInstance = pActiveCamera;
+    if (!pActiveCamera) {
         ALOGE("Failed to allocate new EvsCamera object for %s\n", cameraId.c_str());
     }
 
     return pActiveCamera;
 }
 
+Return<void> EvsEnumerator::closeCamera(const ::android::sp<evs_v1_0::IEvsCamera>& pCamera) {
+    ALOGD("%s", __FUNCTION__);
 
-Return<void> EvsEnumerator::closeCamera(const ::android::sp<IEvsCamera_1_0>& pCamera) {
-    ALOGD("closeCamera");
-
-    auto pCamera_1_1 = IEvsCamera_1_1::castFrom(pCamera).withDefault(nullptr);
-    if (pCamera_1_1 == nullptr) {
+    auto pCamera_1_1 = IEvsCamera::castFrom(pCamera).withDefault(nullptr);
+    if (!pCamera_1_1) {
         ALOGE("Ignoring call to closeCamera with null camera ptr");
-        return Void();
+        return {};
     }
 
     // Get the camera id so we can find it in our list
     std::string cameraId;
-    pCamera_1_1->getCameraInfo_1_1([&cameraId](CameraDesc desc) {
-                               cameraId = desc.v1.cameraId;
-                           }
-    );
+    pCamera_1_1->getCameraInfo_1_1([&cameraId](CameraDesc desc) { cameraId = desc.v1.cameraId; });
 
     // Find the named camera
-    CameraRecord *pRecord = nullptr;
-    for (auto &&cam : sCameraList) {
-        if (cam.desc.v1.cameraId == cameraId) {
-            // Found a match!
-            pRecord = &cam;
-            break;
-        }
+    auto it = std::find_if(sCameraList.begin(), sCameraList.end(), [&cameraId](const auto& cam) {
+        return cameraId == cam.desc.v1.cameraId;
+    });
+    if (it == sCameraList.end()) {
+        ALOGE("Ignores a request to close unknown camera, %s", cameraId.data());
+        return {};
     }
 
-    // Is the display being destroyed actually the one we think is active?
-    if (!pRecord) {
-        ALOGE("Asked to close a camera who's name isn't recognized");
+    sp<EvsCamera> pActiveCamera = it->activeInstance.promote();
+    if (!pActiveCamera) {
+        ALOGE("Somehow a camera is being destroyed when the enumerator didn't know one existed");
+    } else if (pActiveCamera != pCamera_1_1) {
+        // This can happen if the camera was aggressively reopened, orphaning this previous instance
+        ALOGW("Ignoring close of previously orphaned camera - why did a client steal?");
     } else {
-        sp<EvsCamera> pActiveCamera = pRecord->activeInstance.promote();
-
-        if (pActiveCamera == nullptr) {
-            ALOGE("Somehow a camera is being destroyed when the enumerator didn't know one existed");
-        } else if (pActiveCamera != pCamera_1_1) {
-            // This can happen if the camera was aggressively reopened, orphaning this previous instance
-            ALOGW("Ignoring close of previously orphaned camera - why did a client steal?");
-        } else {
-            // Drop the active camera
-            pActiveCamera->forceShutdown();
-            pRecord->activeInstance = nullptr;
-        }
+        // Drop the active camera
+        pActiveCamera->forceShutdown();
+        it->activeInstance = nullptr;
     }
 
-    return Void();
+    return {};
 }
 
-
-Return<sp<IEvsDisplay_1_0>> EvsEnumerator::openDisplay() {
-    ALOGD("openDisplay");
+Return<sp<V1_0::IEvsDisplay>> EvsEnumerator::openDisplay() {
+    ALOGD("%s", __FUNCTION__);
 
     // If we already have a display active, then we need to shut it down so we can
     // give exclusive access to the new caller.
@@ -202,28 +189,25 @@
     }
 
     // Create a new display interface and return it
-    pActiveDisplay = new EvsDisplay();
+    pActiveDisplay = new EvsDisplay(sDisplayProxyService, sInternalDisplayId);
     sActiveDisplay = pActiveDisplay;
 
     ALOGD("Returning new EvsDisplay object %p", pActiveDisplay.get());
     return pActiveDisplay;
 }
 
-
 Return<void> EvsEnumerator::getDisplayIdList(getDisplayIdList_cb _list_cb) {
     hidl_vec<uint8_t> ids;
-
     ids.resize(sDisplayPortList.size());
+
     unsigned i = 0;
-    for (const auto& [port, id] : sDisplayPortList) {
-        ids[i++] = port;
-    }
+    std::for_each(sDisplayPortList.begin(), sDisplayPortList.end(),
+                  [&](const auto& element) { ids[i++] = element.first; });
 
     _list_cb(ids);
-    return Void();
+    return {};
 }
 
-
 Return<sp<IEvsDisplay>> EvsEnumerator::openDisplay_1_1(uint8_t port) {
     ALOGD("%s", __FUNCTION__);
 
@@ -243,10 +227,8 @@
     return pActiveDisplay;
 }
 
-
-
-Return<void> EvsEnumerator::closeDisplay(const ::android::sp<IEvsDisplay_1_0>& pDisplay) {
-    ALOGD("closeDisplay");
+Return<void> EvsEnumerator::closeDisplay(const ::android::sp<V1_0::IEvsDisplay>& pDisplay) {
+    ALOGD("%s", __FUNCTION__);
 
     // Do we still have a display object we think should be active?
     sp<EvsDisplay> pActiveDisplay = sActiveDisplay.promote();
@@ -260,123 +242,111 @@
         sActiveDisplay = nullptr;
     }
 
-    return Void();
+    return {};
 }
 
-
-Return<DisplayState> EvsEnumerator::getDisplayState()  {
-    ALOGD("getDisplayState");
+Return<V1_0::DisplayState> EvsEnumerator::getDisplayState() {
+    ALOGD("%s", __FUNCTION__);
 
     // Do we still have a display object we think should be active?
     sp<IEvsDisplay> pActiveDisplay = sActiveDisplay.promote();
     if (pActiveDisplay != nullptr) {
         return pActiveDisplay->getDisplayState();
     } else {
-        return DisplayState::NOT_OPEN;
+        return V1_0::DisplayState::NOT_OPEN;
     }
 }
 
-
 // Methods from ::android::hardware::automotive::evs::V1_1::IEvsEnumerator follow.
-Return<void> EvsEnumerator::getCameraList_1_1(getCameraList_1_1_cb _hidl_cb)  {
-    ALOGD("getCameraList");
+Return<void> EvsEnumerator::getCameraList_1_1(getCameraList_1_1_cb _hidl_cb) {
+    ALOGD("%s", __FUNCTION__);
 
-    const unsigned numCameras = sCameraList.size();
+    const auto numCameras = sCameraList.size();
 
     // Build up a packed array of CameraDesc for return
     // NOTE:  Only has to live until the callback returns
-    std::vector<CameraDesc_1_1> descriptions;
+    std::vector<CameraDesc> descriptions;
     descriptions.reserve(numCameras);
-    for (const auto& cam : sCameraList) {
-        descriptions.push_back( cam.desc );
-    }
+    std::for_each(sCameraList.begin(), sCameraList.end(),
+                  [&](const auto& cam) { descriptions.push_back(cam.desc); });
 
     // Encapsulate our camera descriptions in the HIDL vec type
-    hidl_vec<CameraDesc_1_1> hidlCameras(descriptions);
+    hidl_vec<CameraDesc> hidlCameras(descriptions);
 
     // Send back the results
     ALOGD("reporting %zu cameras available", hidlCameras.size());
     _hidl_cb(hidlCameras);
-
-    // HIDL convention says we return Void if we sent our result back via callback
-    return Void();
+    return {};
 }
 
-Return<sp<IEvsCamera_1_1>>
-EvsEnumerator::openCamera_1_1(const hidl_string& cameraId,
-                              const Stream& streamCfg) {
-    // Find the named camera
-    CameraRecord *pRecord = nullptr;
-    for (auto &&cam : sCameraList) {
-        if (cam.desc.v1.cameraId == cameraId) {
-            // Found a match!
-            pRecord = &cam;
-            break;
-        }
-    }
+Return<sp<IEvsCamera>> EvsEnumerator::openCamera_1_1(const hidl_string& cameraId,
+                                                     const Stream& streamCfg) {
+    ALOGD("%s", __FUNCTION__);
 
-    // Is this a recognized camera id?
-    if (!pRecord) {
+    // Find the named camera
+    auto it = std::find_if(sCameraList.begin(), sCameraList.end(), [&cameraId](const auto& cam) {
+        return cameraId == cam.desc.v1.cameraId;
+    });
+    if (it == sCameraList.end()) {
         ALOGE("Requested camera %s not found", cameraId.c_str());
         return nullptr;
     }
 
     // Has this camera already been instantiated by another caller?
-    sp<EvsCamera> pActiveCamera = pRecord->activeInstance.promote();
+    sp<EvsCamera> pActiveCamera = it->activeInstance.promote();
     if (pActiveCamera != nullptr) {
         ALOGW("Killing previous camera because of new caller");
         closeCamera(pActiveCamera);
     }
 
     // Construct a camera instance for the caller
-    if (sConfigManager == nullptr) {
+    if (!sConfigManager) {
         pActiveCamera = EvsCamera::Create(cameraId.c_str());
     } else {
-        pActiveCamera = EvsCamera::Create(cameraId.c_str(),
-                                          sConfigManager->getCameraInfo(cameraId),
+        pActiveCamera = EvsCamera::Create(cameraId.c_str(), sConfigManager->getCameraInfo(cameraId),
                                           &streamCfg);
     }
 
-    pRecord->activeInstance = pActiveCamera;
-    if (pActiveCamera == nullptr) {
+    it->activeInstance = pActiveCamera;
+    if (!pActiveCamera) {
         ALOGE("Failed to allocate new EvsCamera object for %s\n", cameraId.c_str());
     }
 
     return pActiveCamera;
 }
 
-
 EvsEnumerator::CameraRecord* EvsEnumerator::findCameraById(const std::string& cameraId) {
-    // Find the named camera
-    CameraRecord *pRecord = nullptr;
-    for (auto &&cam : sCameraList) {
-        if (cam.desc.v1.cameraId == cameraId) {
-            // Found a match!
-            pRecord = &cam;
-            break;
-        }
-    }
+    ALOGD("%s", __FUNCTION__);
 
-    return pRecord;
+    // Find the named camera
+    auto it = std::find_if(sCameraList.begin(), sCameraList.end(), [&cameraId](const auto& cam) {
+        return cameraId == cam.desc.v1.cameraId;
+    });
+    return (it != sCameraList.end()) ? &*it : nullptr;
 }
 
 EvsEnumerator::UltrasonicsArrayRecord* EvsEnumerator::findUltrasonicsArrayById(
         const std::string& ultrasonicsArrayId) {
-    auto recordIt = std::find_if(
-            sUltrasonicsArrayRecordList.begin(), sUltrasonicsArrayRecordList.end(),
-                    [&ultrasonicsArrayId](const UltrasonicsArrayRecord& record) {
-                            return ultrasonicsArrayId == record.desc.ultrasonicsArrayId;});
+    ALOGD("%s", __FUNCTION__);
+
+    auto recordIt =
+            std::find_if(sUltrasonicsArrayRecordList.begin(), sUltrasonicsArrayRecordList.end(),
+                         [&ultrasonicsArrayId](const UltrasonicsArrayRecord& record) {
+                             return ultrasonicsArrayId == record.desc.ultrasonicsArrayId;
+                         });
 
     return (recordIt != sUltrasonicsArrayRecordList.end()) ? &*recordIt : nullptr;
 }
 
 Return<void> EvsEnumerator::getUltrasonicsArrayList(getUltrasonicsArrayList_cb _hidl_cb) {
+    ALOGD("%s", __FUNCTION__);
+
     hidl_vec<UltrasonicsArrayDesc> desc;
     desc.resize(sUltrasonicsArrayRecordList.size());
 
     // Copy over desc from sUltrasonicsArrayRecordList.
     for (auto p = std::make_pair(sUltrasonicsArrayRecordList.begin(), desc.begin());
-            p.first != sUltrasonicsArrayRecordList.end(); p.first++, p.second++) {
+         p.first != sUltrasonicsArrayRecordList.end(); p.first++, p.second++) {
         *p.second = p.first->desc;
     }
 
@@ -385,11 +355,13 @@
     _hidl_cb(desc);
 
     // HIDL convention says we return Void if we sent our result back via callback
-    return Void();
+    return {};
 }
 
 Return<sp<IEvsUltrasonicsArray>> EvsEnumerator::openUltrasonicsArray(
         const hidl_string& ultrasonicsArrayId) {
+    ALOGD("%s", __FUNCTION__);
+
     // Find the named ultrasonic array.
     UltrasonicsArrayRecord* pRecord = findUltrasonicsArrayById(ultrasonicsArrayId);
 
@@ -419,10 +391,11 @@
 
 Return<void> EvsEnumerator::closeUltrasonicsArray(
         const sp<IEvsUltrasonicsArray>& pEvsUltrasonicsArray) {
+    ALOGD("%s", __FUNCTION__);
 
     if (pEvsUltrasonicsArray.get() == nullptr) {
         ALOGE("Ignoring call to closeUltrasonicsArray with null ultrasonics array");
-        return Void();
+        return {};
     }
 
     // Get the ultrasonics array id so we can find it in our list.
@@ -435,7 +408,7 @@
     UltrasonicsArrayRecord* pRecord = findUltrasonicsArrayById(ultrasonicsArrayId);
     if (!pRecord) {
         ALOGE("Asked to close a ultrasonics array whose name isnt not found");
-        return Void();
+        return {};
     }
 
     sp<EvsUltrasonicsArray> pActiveUltrasonicsArray = pRecord->activeInstance.promote();
@@ -453,12 +426,7 @@
         pRecord->activeInstance = nullptr;
     }
 
-    return Void();
+    return {};
 }
 
-} // namespace implementation
-} // namespace V1_1
-} // namespace evs
-} // namespace automotive
-} // namespace hardware
-} // namespace android
+}  // namespace android::hardware::automotive::evs::V1_1::implementation
diff --git a/automotive/evs/1.1/default/EvsEnumerator.h b/automotive/evs/1.1/default/EvsEnumerator.h
index d80124b..513fc8d 100644
--- a/automotive/evs/1.1/default/EvsEnumerator.h
+++ b/automotive/evs/1.1/default/EvsEnumerator.h
@@ -17,56 +17,41 @@
 #ifndef ANDROID_HARDWARE_AUTOMOTIVE_EVS_V1_1_EVSCAMERAENUMERATOR_H
 #define ANDROID_HARDWARE_AUTOMOTIVE_EVS_V1_1_EVSCAMERAENUMERATOR_H
 
-#include <android/hardware/automotive/evs/1.1/IEvsEnumerator.h>
+#include "ConfigManager.h"
+
+#include <android/frameworks/automotive/display/1.0/IAutomotiveDisplayProxyService.h>
 #include <android/hardware/automotive/evs/1.1/IEvsCamera.h>
 #include <android/hardware/automotive/evs/1.1/IEvsDisplay.h>
-#include <android/frameworks/automotive/display/1.0/IAutomotiveDisplayProxyService.h>
+#include <android/hardware/automotive/evs/1.1/IEvsEnumerator.h>
 #include <android/hardware/automotive/evs/1.1/IEvsUltrasonicsArray.h>
 
 #include <list>
 
-#include "ConfigManager.h"
+namespace android::hardware::automotive::evs::V1_1::implementation {
 
-using ::android::hardware::automotive::evs::V1_0::EvsResult;
-using ::android::hardware::automotive::evs::V1_0::DisplayState;
-using IEvsCamera_1_0 = ::android::hardware::automotive::evs::V1_0::IEvsCamera;
-using IEvsCamera_1_1 = ::android::hardware::automotive::evs::V1_1::IEvsCamera;
-using CameraDesc_1_0 = ::android::hardware::automotive::evs::V1_0::CameraDesc;
-using CameraDesc_1_1 = ::android::hardware::automotive::evs::V1_1::CameraDesc;
-using IEvsDisplay_1_0  = ::android::hardware::automotive::evs::V1_0::IEvsDisplay;
-using IEvsDisplay_1_1  = ::android::hardware::automotive::evs::V1_1::IEvsDisplay;
-using android::frameworks::automotive::display::V1_0::IAutomotiveDisplayProxyService;
+namespace evs_v1_0 = ::android::hardware::automotive::evs::V1_0;
 
-namespace android {
-namespace hardware {
-namespace automotive {
-namespace evs {
-namespace V1_1 {
-namespace implementation {
-
-
-class EvsCamera;    // from EvsCamera.h
-class EvsDisplay;   // from EvsDisplay.h
+class EvsCamera;            // from EvsCamera.h
+class EvsDisplay;           // from EvsDisplay.h
 class EvsUltrasonicsArray;  // from EvsUltrasonicsArray.h
 
-
 class EvsEnumerator : public IEvsEnumerator {
-public:
+  public:
     // Methods from ::android::hardware::automotive::evs::V1_0::IEvsEnumerator follow.
-    Return<void>                getCameraList(getCameraList_cb _hidl_cb)  override;
-    Return<sp<IEvsCamera_1_0>>  openCamera(const hidl_string& cameraId) override;
-    Return<void>                closeCamera(const ::android::sp<IEvsCamera_1_0>& carCamera)  override;
-    Return<sp<IEvsDisplay_1_0>> openDisplay()  override;
-    Return<void>                closeDisplay(const ::android::sp<IEvsDisplay_1_0>& display)  override;
-    Return<DisplayState>        getDisplayState()  override;
+    Return<void> getCameraList(getCameraList_cb _hidl_cb) override;
+    Return<sp<evs_v1_0::IEvsCamera>> openCamera(const hidl_string& cameraId) override;
+    Return<void> closeCamera(const ::android::sp<evs_v1_0::IEvsCamera>& carCamera) override;
+    Return<sp<evs_v1_0::IEvsDisplay>> openDisplay() override;
+    Return<void> closeDisplay(const ::android::sp<evs_v1_0::IEvsDisplay>& display) override;
+    Return<V1_0::DisplayState> getDisplayState() override;
 
     // Methods from ::android::hardware::automotive::evs::V1_1::IEvsEnumerator follow.
-    Return<void> getCameraList_1_1(getCameraList_1_1_cb _hidl_cb)  override;
-    Return<sp<IEvsCamera_1_1>>  openCamera_1_1(const hidl_string& cameraId,
-                                               const Stream& streamCfg) override;
+    Return<void> getCameraList_1_1(getCameraList_1_1_cb _hidl_cb) override;
+    Return<sp<IEvsCamera>> openCamera_1_1(const hidl_string& cameraId,
+                                          const Stream& streamCfg) override;
     Return<bool> isHardware() override { return true; }
-    Return<void>                getDisplayIdList(getDisplayIdList_cb _list_cb) override;
-    Return<sp<IEvsDisplay_1_1>> openDisplay_1_1(uint8_t port) override;
+    Return<void> getDisplayIdList(getDisplayIdList_cb _list_cb) override;
+    Return<sp<IEvsDisplay>> openDisplay_1_1(uint8_t port) override;
     Return<void> getUltrasonicsArrayList(getUltrasonicsArrayList_cb _hidl_cb) override;
     Return<sp<IEvsUltrasonicsArray>> openUltrasonicsArray(
             const hidl_string& ultrasonicsArrayId) override;
@@ -74,49 +59,40 @@
             const ::android::sp<IEvsUltrasonicsArray>& evsUltrasonicsArray) override;
 
     // Implementation details
-    EvsEnumerator(sp<IAutomotiveDisplayProxyService> windowService = nullptr);
+    EvsEnumerator(sp<frameworks::automotive::display::V1_0::IAutomotiveDisplayProxyService>&
+                          windowService);
 
-private:
+  private:
     // NOTE:  All members values are static so that all clients operate on the same state
     //        That is to say, this is effectively a singleton despite the fact that HIDL
     //        constructs a new instance for each client.
     struct CameraRecord {
-        CameraDesc_1_1      desc;
-        wp<EvsCamera>       activeInstance;
+        CameraDesc desc;
+        wp<EvsCamera> activeInstance;
 
-        CameraRecord(const char *cameraId) : desc() { desc.v1.cameraId = cameraId; }
+        CameraRecord(const char* cameraId) : desc() { desc.v1.cameraId = cameraId; }
     };
 
     struct UltrasonicsArrayRecord {
         UltrasonicsArrayDesc desc;
         wp<EvsUltrasonicsArray> activeInstance;
 
-        UltrasonicsArrayRecord(const UltrasonicsArrayDesc& arrayDesc) : desc(arrayDesc) {};
+        UltrasonicsArrayRecord(const UltrasonicsArrayDesc& arrayDesc) : desc(arrayDesc){};
     };
 
     static CameraRecord* findCameraById(const std::string& cameraId);
-
-    static std::list<CameraRecord>   sCameraList;
-
+    static std::list<CameraRecord> sCameraList;
     static UltrasonicsArrayRecord* findUltrasonicsArrayById(const std::string& ultrasonicsArrayId);
-
     static std::list<UltrasonicsArrayRecord> sUltrasonicsArrayRecordList;
 
-    // Weak pointer. Object destructs if client dies.
-    static wp<EvsDisplay>            sActiveDisplay;
-
-    static unique_ptr<ConfigManager> sConfigManager;
-
-    static sp<IAutomotiveDisplayProxyService> sDisplayProxyService;
-    static std::unordered_map<uint8_t,
-                              uint64_t> sDisplayPortList;
+    static wp<EvsDisplay> sActiveDisplay;  // Weak pointer. Object destructs if client dies.
+    static uint64_t sInternalDisplayId;
+    static sp<frameworks::automotive::display::V1_0::IAutomotiveDisplayProxyService>
+            sDisplayProxyService;
+    static std::unordered_map<uint8_t, uint64_t> sDisplayPortList;
+    static std::unique_ptr<ConfigManager> sConfigManager;
 };
 
-} // namespace implementation
-} // namespace V1_1
-} // namespace evs
-} // namespace automotive
-} // namespace hardware
-} // namespace android
+}  // namespace android::hardware::automotive::evs::V1_1::implementation
 
 #endif  // ANDROID_HARDWARE_AUTOMOTIVE_EVS_V1_1_EVSCAMERAENUMERATOR_H
diff --git a/automotive/evs/1.1/default/EvsUltrasonicsArray.cpp b/automotive/evs/1.1/default/EvsUltrasonicsArray.cpp
index ebd47c6..951937a 100644
--- a/automotive/evs/1.1/default/EvsUltrasonicsArray.cpp
+++ b/automotive/evs/1.1/default/EvsUltrasonicsArray.cpp
@@ -113,10 +113,9 @@
     dataFrameDesc.receiversReadingsCountList = receiversReadingsCountList;
 
     const std::vector<WaveformData> waveformDataList = {
-            {recvIdList[0], { {1000, 0.1f}, {2000, 0.8f} }},
-            {recvIdList[1], { {1000, 0.1f}, {2000, 1.0f} }},
-            {recvIdList[2], { {1000, 0.1f}, {2000, 0.2f}, {4000, 0.2f}, {5000, 0.1f} }}
-    };
+            {recvIdList[0], {{1000, 0.1f}, {2000, 0.8f}}},
+            {recvIdList[1], {{1000, 0.1f}, {2000, 1.0f}}},
+            {recvIdList[2], {{1000, 0.1f}, {2000, 0.2f}, {4000, 0.2f}, {5000, 0.1f}}}};
 
     if (pIMemory.get() == nullptr) {
         return false;
diff --git a/automotive/evs/1.1/default/EvsUltrasonicsArray.h b/automotive/evs/1.1/default/EvsUltrasonicsArray.h
index 88aa600..681f68f 100644
--- a/automotive/evs/1.1/default/EvsUltrasonicsArray.h
+++ b/automotive/evs/1.1/default/EvsUltrasonicsArray.h
@@ -119,7 +119,7 @@
     std::mutex mAccessLock;
     std::vector<DataFrameRecord> mDataFrames GUARDED_BY(mAccessLock);  // Shared memory buffers.
     unsigned mFramesAllowed GUARDED_BY(mAccessLock);  // How many buffers are we currently using.
-    unsigned mFramesInUse GUARDED_BY(mAccessLock);  // How many buffers are currently outstanding.
+    unsigned mFramesInUse GUARDED_BY(mAccessLock);    // How many buffers are currently outstanding.
 
     StreamStateValues mStreamState GUARDED_BY(mAccessLock);
 };
diff --git a/automotive/evs/1.1/default/GlWrapper.cpp b/automotive/evs/1.1/default/GlWrapper.cpp
new file mode 100644
index 0000000..357b67c
--- /dev/null
+++ b/automotive/evs/1.1/default/GlWrapper.cpp
@@ -0,0 +1,450 @@
+/*
+ * 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.
+ */
+
+#include "GlWrapper.h"
+
+#include <ui/DisplayMode.h>
+#include <ui/DisplayState.h>
+#include <ui/GraphicBuffer.h>
+
+#include <fcntl.h>
+#include <stdio.h>
+#include <sys/ioctl.h>
+#include <utility>
+
+using android::GraphicBuffer;
+using android::sp;
+
+namespace {
+
+// Defines a default color to clear the screen in RGBA format
+constexpr float kDefaultColorInRgba[] = {0.1f, 0.5f, 0.1f, 1.0f};
+
+// Defines the size of the preview area relative to the entire display
+constexpr float kDisplayAreaRatio = 0.8f;
+
+constexpr const char vertexShaderSource[] =
+        ""
+        "#version 300 es                    \n"
+        "layout(location = 0) in vec4 pos;  \n"
+        "layout(location = 1) in vec2 tex;  \n"
+        "out vec2 uv;                       \n"
+        "void main()                        \n"
+        "{                                  \n"
+        "   gl_Position = pos;              \n"
+        "   uv = tex;                       \n"
+        "}                                  \n";
+
+constexpr const char pixelShaderSource[] =
+        "#version 300 es                    \n"
+        "precision mediump float;           \n"
+        "uniform sampler2D tex;             \n"
+        "in vec2 uv;                        \n"
+        "out vec4 color;                    \n"
+        "void main()                        \n"
+        "{                                  \n"
+        "    vec4 texel = texture(tex, uv); \n"
+        "    color = texel;                 \n"
+        "}                                  \n";
+
+const char* getEGLError(void) {
+    switch (eglGetError()) {
+        case EGL_SUCCESS:
+            return "EGL_SUCCESS";
+        case EGL_NOT_INITIALIZED:
+            return "EGL_NOT_INITIALIZED";
+        case EGL_BAD_ACCESS:
+            return "EGL_BAD_ACCESS";
+        case EGL_BAD_ALLOC:
+            return "EGL_BAD_ALLOC";
+        case EGL_BAD_ATTRIBUTE:
+            return "EGL_BAD_ATTRIBUTE";
+        case EGL_BAD_CONTEXT:
+            return "EGL_BAD_CONTEXT";
+        case EGL_BAD_CONFIG:
+            return "EGL_BAD_CONFIG";
+        case EGL_BAD_CURRENT_SURFACE:
+            return "EGL_BAD_CURRENT_SURFACE";
+        case EGL_BAD_DISPLAY:
+            return "EGL_BAD_DISPLAY";
+        case EGL_BAD_SURFACE:
+            return "EGL_BAD_SURFACE";
+        case EGL_BAD_MATCH:
+            return "EGL_BAD_MATCH";
+        case EGL_BAD_PARAMETER:
+            return "EGL_BAD_PARAMETER";
+        case EGL_BAD_NATIVE_PIXMAP:
+            return "EGL_BAD_NATIVE_PIXMAP";
+        case EGL_BAD_NATIVE_WINDOW:
+            return "EGL_BAD_NATIVE_WINDOW";
+        case EGL_CONTEXT_LOST:
+            return "EGL_CONTEXT_LOST";
+        default:
+            return "Unknown error";
+    }
+}
+
+// Given shader source, load and compile it
+GLuint loadShader(GLenum type, const char* shaderSrc) {
+    // Create the shader object
+    GLuint shader = glCreateShader(type);
+    if (shader == 0) {
+        LOG(ERROR) << "glCreateSharder() failed with error = " << glGetError();
+        return 0;
+    }
+
+    // Load and compile the shader
+    glShaderSource(shader, 1, &shaderSrc, nullptr);
+    glCompileShader(shader);
+
+    // Verify the compilation worked as expected
+    GLint compiled = 0;
+    glGetShaderiv(shader, GL_COMPILE_STATUS, &compiled);
+    if (!compiled) {
+        LOG(ERROR) << "Error compiling shader";
+
+        GLint size = 0;
+        glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &size);
+        if (size > 0) {
+            // Get and report the error message
+            char infoLog[size];
+            glGetShaderInfoLog(shader, size, nullptr, infoLog);
+            LOG(ERROR) << "  msg:" << std::endl << infoLog;
+        }
+
+        glDeleteShader(shader);
+        return 0;
+    }
+
+    return shader;
+}
+
+// Create a program object given vertex and pixels shader source
+GLuint buildShaderProgram(const char* vtxSrc, const char* pxlSrc) {
+    GLuint program = glCreateProgram();
+    if (program == 0) {
+        LOG(ERROR) << "Failed to allocate program object";
+        return 0;
+    }
+
+    // Compile the shaders and bind them to this program
+    GLuint vertexShader = loadShader(GL_VERTEX_SHADER, vtxSrc);
+    if (vertexShader == 0) {
+        LOG(ERROR) << "Failed to load vertex shader";
+        glDeleteProgram(program);
+        return 0;
+    }
+    GLuint pixelShader = loadShader(GL_FRAGMENT_SHADER, pxlSrc);
+    if (pixelShader == 0) {
+        LOG(ERROR) << "Failed to load pixel shader";
+        glDeleteProgram(program);
+        glDeleteShader(vertexShader);
+        return 0;
+    }
+    glAttachShader(program, vertexShader);
+    glAttachShader(program, pixelShader);
+
+    // Link the program
+    glLinkProgram(program);
+    GLint linked = 0;
+    glGetProgramiv(program, GL_LINK_STATUS, &linked);
+    if (!linked) {
+        LOG(ERROR) << "Error linking program";
+        GLint size = 0;
+        glGetProgramiv(program, GL_INFO_LOG_LENGTH, &size);
+        if (size > 0) {
+            // Get and report the error message
+            char* infoLog = (char*)malloc(size);
+            glGetProgramInfoLog(program, size, nullptr, infoLog);
+            LOG(ERROR) << "  msg:  " << infoLog;
+            free(infoLog);
+        }
+
+        glDeleteProgram(program);
+        glDeleteShader(vertexShader);
+        glDeleteShader(pixelShader);
+        return 0;
+    }
+
+    return program;
+}
+
+}  // namespace
+
+namespace android::hardware::automotive::evs::V1_1::implementation {
+
+// Main entry point
+bool GlWrapper::initialize(const sp<IAutomotiveDisplayProxyService>& service, uint64_t displayId) {
+    LOG(DEBUG) << __FUNCTION__;
+
+    if (!service) {
+        LOG(WARNING) << "IAutomotiveDisplayProxyService is invalid.";
+        return false;
+    }
+
+    // We will use the first display in the list as the primary.
+    service->getDisplayInfo(displayId, [this](auto dpyConfig, auto dpyState) {
+        ui::DisplayMode* pConfig = reinterpret_cast<ui::DisplayMode*>(dpyConfig.data());
+        mWidth = pConfig->resolution.getWidth();
+        mHeight = pConfig->resolution.getHeight();
+
+        ui::DisplayState* pState = reinterpret_cast<ui::DisplayState*>(dpyState.data());
+        if (pState->orientation != ui::ROTATION_0 && pState->orientation != ui::ROTATION_180) {
+            // rotate
+            std::swap(mWidth, mHeight);
+        }
+
+        LOG(DEBUG) << "Display resolution is " << mWidth << " x " << mHeight;
+    });
+
+    mGfxBufferProducer = service->getIGraphicBufferProducer(displayId);
+    if (mGfxBufferProducer == nullptr) {
+        LOG(ERROR) << "Failed to get IGraphicBufferProducer from IAutomotiveDisplayProxyService.";
+        return false;
+    }
+
+    mSurfaceHolder = getSurfaceFromHGBP(mGfxBufferProducer);
+    if (mSurfaceHolder == nullptr) {
+        LOG(ERROR) << "Failed to get a Surface from HGBP.";
+        return false;
+    }
+
+    mWindow = getNativeWindow(mSurfaceHolder.get());
+    if (mWindow == nullptr) {
+        LOG(ERROR) << "Failed to get a native window from Surface.";
+        return false;
+    }
+
+    // Set up our OpenGL ES context associated with the default display
+    mDisplay = eglGetDisplay(EGL_DEFAULT_DISPLAY);
+    if (mDisplay == EGL_NO_DISPLAY) {
+        LOG(ERROR) << "Failed to get egl display";
+        return false;
+    }
+
+    EGLint major = 3;
+    EGLint minor = 0;
+    if (!eglInitialize(mDisplay, &major, &minor)) {
+        LOG(ERROR) << "Failed to initialize EGL: " << getEGLError();
+        return false;
+    }
+
+    const EGLint config_attribs[] = {
+            // Tag                  Value
+            EGL_RED_SIZE, 8, EGL_GREEN_SIZE, 8, EGL_BLUE_SIZE, 8, EGL_DEPTH_SIZE, 0, EGL_NONE};
+
+    // Pick the default configuration without constraints (is this good enough?)
+    EGLConfig egl_config = {0};
+    EGLint numConfigs = -1;
+    eglChooseConfig(mDisplay, config_attribs, &egl_config, 1, &numConfigs);
+    if (numConfigs != 1) {
+        LOG(ERROR) << "Didn't find a suitable format for our display window";
+        return false;
+    }
+
+    // Create the EGL render target surface
+    mSurface = eglCreateWindowSurface(mDisplay, egl_config, mWindow, nullptr);
+    if (mSurface == EGL_NO_SURFACE) {
+        LOG(ERROR) << "eglCreateWindowSurface failed: " << getEGLError();
+        ;
+        return false;
+    }
+
+    // Create the EGL context
+    // NOTE:  Our shader is (currently at least) written to require version 3, so this
+    //        is required.
+    const EGLint context_attribs[] = {EGL_CONTEXT_CLIENT_VERSION, 3, EGL_NONE};
+    mContext = eglCreateContext(mDisplay, egl_config, EGL_NO_CONTEXT, context_attribs);
+    if (mContext == EGL_NO_CONTEXT) {
+        LOG(ERROR) << "Failed to create OpenGL ES Context: " << getEGLError();
+        return false;
+    }
+
+    // Activate our render target for drawing
+    if (!eglMakeCurrent(mDisplay, mSurface, mSurface, mContext)) {
+        LOG(ERROR) << "Failed to make the OpenGL ES Context current: " << getEGLError();
+        return false;
+    }
+
+    // Create the shader program for our simple pipeline
+    mShaderProgram = buildShaderProgram(vertexShaderSource, pixelShaderSource);
+    if (!mShaderProgram) {
+        LOG(ERROR) << "Failed to build shader program: " << getEGLError();
+        return false;
+    }
+
+    // Create a GL texture that will eventually wrap our externally created texture surface(s)
+    glGenTextures(1, &mTextureMap);
+    if (mTextureMap <= 0) {
+        LOG(ERROR) << "Didn't get a texture handle allocated: " << getEGLError();
+        return false;
+    }
+
+    // Turn off mip-mapping for the created texture surface
+    // (the inbound camera imagery doesn't have MIPs)
+    glBindTexture(GL_TEXTURE_2D, mTextureMap);
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+    glBindTexture(GL_TEXTURE_2D, 0);
+
+    return true;
+}
+
+void GlWrapper::shutdown() {
+    // Drop our device textures
+    if (mKHRimage != EGL_NO_IMAGE_KHR) {
+        eglDestroyImageKHR(mDisplay, mKHRimage);
+        mKHRimage = EGL_NO_IMAGE_KHR;
+    }
+
+    // Release all GL resources
+    eglMakeCurrent(mDisplay, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
+    eglDestroySurface(mDisplay, mSurface);
+    eglDestroyContext(mDisplay, mContext);
+    eglTerminate(mDisplay);
+    mSurface = EGL_NO_SURFACE;
+    mContext = EGL_NO_CONTEXT;
+    mDisplay = EGL_NO_DISPLAY;
+
+    // Release the window
+    mSurfaceHolder = nullptr;
+}
+
+void GlWrapper::showWindow(sp<IAutomotiveDisplayProxyService>& service, uint64_t id) {
+    if (service != nullptr) {
+        service->showWindow(id);
+    } else {
+        LOG(ERROR) << "IAutomotiveDisplayProxyService is not available.";
+    }
+}
+
+void GlWrapper::hideWindow(sp<IAutomotiveDisplayProxyService>& service, uint64_t id) {
+    if (service != nullptr) {
+        service->hideWindow(id);
+    } else {
+        LOG(ERROR) << "IAutomotiveDisplayProxyService is not available.";
+    }
+}
+
+bool GlWrapper::updateImageTexture(const V1_0::BufferDesc& buffer) {
+    BufferDesc newBuffer = {
+            .buffer =
+                    {
+                            .nativeHandle = buffer.memHandle,
+                    },
+            .pixelSize = buffer.pixelSize,
+            .bufferId = buffer.bufferId,
+    };
+    AHardwareBuffer_Desc* pDesc =
+            reinterpret_cast<AHardwareBuffer_Desc*>(&newBuffer.buffer.description);
+    *pDesc = {
+            .width = buffer.width,
+            .height = buffer.height,
+            .layers = 1,
+            .format = buffer.format,
+            .usage = buffer.usage,
+    };
+    return updateImageTexture(newBuffer);
+}
+
+bool GlWrapper::updateImageTexture(const BufferDesc& aFrame) {
+    // If we haven't done it yet, create an "image" object to wrap the gralloc buffer
+    if (mKHRimage == EGL_NO_IMAGE_KHR) {
+        // create a temporary GraphicBuffer to wrap the provided handle
+        const AHardwareBuffer_Desc* pDesc =
+                reinterpret_cast<const AHardwareBuffer_Desc*>(&aFrame.buffer.description);
+        sp<GraphicBuffer> pGfxBuffer = new GraphicBuffer(
+                pDesc->width, pDesc->height, pDesc->format, pDesc->layers, pDesc->usage,
+                pDesc->stride,
+                const_cast<native_handle_t*>(aFrame.buffer.nativeHandle.getNativeHandle()),
+                false /* keep ownership */
+        );
+        if (pGfxBuffer.get() == nullptr) {
+            LOG(ERROR) << "Failed to allocate GraphicBuffer to wrap our native handle";
+            return false;
+        }
+
+        // Get a GL compatible reference to the graphics buffer we've been given
+        EGLint eglImageAttributes[] = {EGL_IMAGE_PRESERVED_KHR, EGL_TRUE, EGL_NONE};
+        EGLClientBuffer cbuf = static_cast<EGLClientBuffer>(pGfxBuffer->getNativeBuffer());
+        mKHRimage = eglCreateImageKHR(mDisplay, EGL_NO_CONTEXT, EGL_NATIVE_BUFFER_ANDROID, cbuf,
+                                      eglImageAttributes);
+        if (mKHRimage == EGL_NO_IMAGE_KHR) {
+            LOG(ERROR) << "Error creating EGLImage: " << getEGLError();
+            return false;
+        }
+
+        // Update the texture handle we already created to refer to this gralloc buffer
+        glActiveTexture(GL_TEXTURE0);
+        glBindTexture(GL_TEXTURE_2D, mTextureMap);
+        glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, static_cast<GLeglImageOES>(mKHRimage));
+    }
+
+    return true;
+}
+
+void GlWrapper::renderImageToScreen() {
+    // Set the viewport
+    glViewport(0, 0, mWidth, mHeight);
+
+    // Clear the color buffer
+    glClearColor(kDefaultColorInRgba[0], kDefaultColorInRgba[1],
+                 kDefaultColorInRgba[2], kDefaultColorInRgba[3]);
+    glClear(GL_COLOR_BUFFER_BIT);
+
+    // Select our screen space simple texture shader
+    glUseProgram(mShaderProgram);
+
+    // Bind the texture and assign it to the shader's sampler
+    glActiveTexture(GL_TEXTURE0);
+    glBindTexture(GL_TEXTURE_2D, mTextureMap);
+    GLint sampler = glGetUniformLocation(mShaderProgram, "tex");
+    glUniform1i(sampler, 0);
+
+    // We want our image to show up opaque regardless of alpha values
+    glDisable(GL_BLEND);
+
+    // Draw a rectangle on the screen
+    GLfloat vertsCarPos[] = {
+            -kDisplayAreaRatio,  kDisplayAreaRatio, 0.0f,  // left top in window space
+             kDisplayAreaRatio,  kDisplayAreaRatio, 0.0f,  // right top
+            -kDisplayAreaRatio, -kDisplayAreaRatio, 0.0f,  // left bottom
+             kDisplayAreaRatio, -kDisplayAreaRatio, 0.0f   // right bottom
+    };
+
+    // NOTE:  We didn't flip the image in the texture, so V=0 is actually the top of the image
+    GLfloat vertsCarTex[] = {
+            0.0f, 0.0f,  // left top
+            1.0f, 0.0f,  // right top
+            0.0f, 1.0f,  // left bottom
+            1.0f, 1.0f   // right bottom
+    };
+    glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, vertsCarPos);
+    glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 0, vertsCarTex);
+    glEnableVertexAttribArray(0);
+    glEnableVertexAttribArray(1);
+
+    glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
+
+    // Clean up and flip the rendered result to the front so it is visible
+    glDisableVertexAttribArray(0);
+    glDisableVertexAttribArray(1);
+
+    glFinish();
+
+    eglSwapBuffers(mDisplay, mSurface);
+}
+
+}  // namespace android::hardware::automotive::evs::V1_1::implementation
diff --git a/automotive/evs/1.1/default/GlWrapper.h b/automotive/evs/1.1/default/GlWrapper.h
new file mode 100644
index 0000000..44c206f
--- /dev/null
+++ b/automotive/evs/1.1/default/GlWrapper.h
@@ -0,0 +1,78 @@
+/*
+ * 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_HARDWARE_AUTOMOTIVE_EVS_V1_1_DISPLAY_GLWRAPPER_H
+#define ANDROID_HARDWARE_AUTOMOTIVE_EVS_V1_1_DISPLAY_GLWRAPPER_H
+
+#include <android-base/logging.h>
+#include <android/frameworks/automotive/display/1.0/IAutomotiveDisplayProxyService.h>
+#include <android/hardware/automotive/evs/1.1/types.h>
+#include <bufferqueueconverter/BufferQueueConverter.h>
+
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+#include <GLES2/gl2.h>
+#include <GLES2/gl2ext.h>
+#include <GLES3/gl3.h>
+#include <GLES3/gl3ext.h>
+
+namespace android::hardware::automotive::evs::V1_1::implementation {
+
+using frameworks::automotive::display::V1_0::IAutomotiveDisplayProxyService;
+using hardware::graphics::bufferqueue::V2_0::IGraphicBufferProducer;
+
+class GlWrapper {
+  public:
+    GlWrapper() : mSurfaceHolder(android::SurfaceHolderUniquePtr(nullptr, nullptr)) {}
+    bool initialize(const sp<IAutomotiveDisplayProxyService>& service, uint64_t displayId);
+    void shutdown();
+
+    bool updateImageTexture(const V1_0::BufferDesc& buffer);
+    bool updateImageTexture(const BufferDesc& buffer);
+    void renderImageToScreen();
+
+    void showWindow(sp<IAutomotiveDisplayProxyService>& service, uint64_t id);
+    void hideWindow(sp<IAutomotiveDisplayProxyService>& service, uint64_t id);
+
+    unsigned getWidth() { return mWidth; };
+    unsigned getHeight() { return mHeight; };
+
+  private:
+    sp<IGraphicBufferProducer> mGfxBufferProducer;
+
+    EGLDisplay mDisplay;
+    EGLSurface mSurface;
+    EGLContext mContext;
+
+    unsigned mWidth = 0;
+    unsigned mHeight = 0;
+
+    EGLImageKHR mKHRimage = EGL_NO_IMAGE_KHR;
+
+    GLuint mTextureMap = 0;
+    GLuint mShaderProgram = 0;
+
+    // Opaque handle for a native hardware buffer defined in
+    // frameworks/native/opengl/include/EGL/eglplatform.h
+    ANativeWindow* mWindow;
+
+    // Pointer to a Surface wrapper.
+    android::SurfaceHolderUniquePtr mSurfaceHolder;
+};
+
+}  // namespace android::hardware::automotive::evs::V1_1::implementation
+
+#endif  // ANDROID_HARDWARE_AUTOMOTIVE_EVS_V1_1_DISPLAY_GLWRAPPER_H
diff --git a/automotive/evs/1.1/default/android.hardware.automotive.evs@1.1-service.rc b/automotive/evs/1.1/default/android.hardware.automotive.evs@1.1-service.rc
index 284b3fd..5d4daf9 100644
--- a/automotive/evs/1.1/default/android.hardware.automotive.evs@1.1-service.rc
+++ b/automotive/evs/1.1/default/android.hardware.automotive.evs@1.1-service.rc
@@ -1,5 +1,8 @@
 service vendor.evs-hal-mock /vendor/bin/hw/android.hardware.automotive.evs@1.1-service
     class hal
-    user automotive_evs
-    group automotive_evs
-    disabled
+    priority -20
+    user graphics
+    group automotive_evs camera
+    onrestart restart automotive_display
+    onrestart restart evs_manager
+    disabled # will not automatically start with its class; must be explicitly started.
diff --git a/automotive/evs/1.1/default/manifest_android.hardware.automotive.evs@1.1-service.xml b/automotive/evs/1.1/default/manifest_android.hardware.automotive.evs@1.1-service.xml
index d4d9b17..d975701 100644
--- a/automotive/evs/1.1/default/manifest_android.hardware.automotive.evs@1.1-service.xml
+++ b/automotive/evs/1.1/default/manifest_android.hardware.automotive.evs@1.1-service.xml
@@ -15,12 +15,8 @@
 -->
 <manifest version="1.0" type="device" >
     <hal format="hidl">
-        <name>android.hardware.automotive.evs</name>
         <transport>hwbinder</transport>
-        <version>1.1</version>
-        <interface>
-            <name>IEvsEnumerator</name>
-            <instance>hw/0</instance>
-        </interface>
+        <name>android.hardware.automotive.evs</name>
+        <fqname>@1.1::IEvsEnumerator/hw/0</fqname>
     </hal>
 </manifest>
diff --git a/automotive/evs/1.1/default/resources/evs_default_configuration.xml b/automotive/evs/1.1/default/resources/evs_default_configuration.xml
index a79e7c2..6cbc18e 100644
--- a/automotive/evs/1.1/default/resources/evs_default_configuration.xml
+++ b/automotive/evs/1.1/default/resources/evs_default_configuration.xml
@@ -30,31 +30,8 @@
 
     <!-- camera information -->
     <camera>
-        <!-- camera group starts -->
-        <group id='group1' synchronized='APPROXIMATE'>
-            <caps>
-                <stream id='0' width='640'  height='360'  format='RGBA_8888' framerate='30'/>
-            </caps>
-
-            <!-- list of parameters -->
-            <characteristics>
-                <parameter
-                    name='REQUEST_AVAILABLE_CAPABILITIES'
-                    type='enum'
-                    size='1'
-                    value='LOGICAL_MULTI_CAMERA'
-                />
-                <parameter
-                    name='LOGICAL_MULTI_CAMERA_PHYSICAL_IDS'
-                    type='byte[]'
-                    size='1'
-                    value='/dev/video1'
-                />
-            </characteristics>
-        </group>
-
         <!-- camera device starts -->
-        <device id='/dev/video1' position='rear'>
+        <device id='/dev/video10' position='rear'>
             <caps>
                 <!-- list of supported controls -->
                 <supported_controls>
diff --git a/automotive/evs/1.1/default/service.cpp b/automotive/evs/1.1/default/service.cpp
index 374b646..2764a26 100644
--- a/automotive/evs/1.1/default/service.cpp
+++ b/automotive/evs/1.1/default/service.cpp
@@ -14,42 +14,42 @@
  * limitations under the License.
  */
 
-#define LOG_TAG "android.hardware.automotive.evs@1.1-service"
-
-#include <unistd.h>
+#include "EvsDisplay.h"
+#include "EvsEnumerator.h"
+#include "ServiceNames.h"
 
 #include <hidl/HidlTransportSupport.h>
 #include <log/log.h>
 #include <utils/Errors.h>
 #include <utils/StrongPointer.h>
 
-#include "ServiceNames.h"
-#include "EvsEnumerator.h"
-#include "EvsDisplay.h"
+#include <unistd.h>
 
-
-// libhidl:
+using android::frameworks::automotive::display::V1_0::IAutomotiveDisplayProxyService;
 using android::hardware::configureRpcThreadpool;
 using android::hardware::joinRpcThreadpool;
-
-// Generated HIDL files
+using android::hardware::automotive::evs::V1_0::DisplayState;
 using android::hardware::automotive::evs::V1_1::IEvsEnumerator;
-
-// The namespace in which all our implementation code lives
-using namespace android::hardware::automotive::evs::V1_1::implementation;
-using namespace android;
-
+using android::hardware::automotive::evs::V1_1::implementation::EvsEnumerator;
 
 int main() {
     ALOGI("EVS Hardware Enumerator service is starting");
-    android::sp<IEvsEnumerator> service = new EvsEnumerator();
+
+    android::sp<IAutomotiveDisplayProxyService> carWindowService =
+            IAutomotiveDisplayProxyService::getService("default");
+    if (carWindowService == nullptr) {
+        ALOGE("Cannot use AutomotiveDisplayProxyService.  Exiting.");
+        return EXIT_FAILURE;
+    }
+
+    android::sp<IEvsEnumerator> service = new EvsEnumerator(carWindowService);
 
     configureRpcThreadpool(1, true /* callerWillJoin */);
 
     // Register our service -- if somebody is already registered by our name,
     // they will be killed (their thread pool will throw an exception).
-    status_t status = service->registerAsService(kEnumeratorServiceName);
-    if (status == OK) {
+    auto status = service->registerAsService(kEnumeratorServiceName);
+    if (status == android::OK) {
         ALOGD("%s is ready.", kEnumeratorServiceName);
         joinRpcThreadpool();
     } else {
@@ -58,5 +58,5 @@
 
     // In normal operation, we don't expect the thread pool to exit
     ALOGE("EVS Hardware Enumerator is shutting down");
-    return 1;
+    return EXIT_SUCCESS;
 }
diff --git a/automotive/evs/aidl/aidl_api/android.hardware.automotive.evs/current/android/hardware/automotive/evs/IEvsEnumerator.aidl b/automotive/evs/aidl/aidl_api/android.hardware.automotive.evs/current/android/hardware/automotive/evs/IEvsEnumerator.aidl
index a79c68d..225b504 100644
--- a/automotive/evs/aidl/aidl_api/android.hardware.automotive.evs/current/android/hardware/automotive/evs/IEvsEnumerator.aidl
+++ b/automotive/evs/aidl/aidl_api/android.hardware.automotive.evs/current/android/hardware/automotive/evs/IEvsEnumerator.aidl
@@ -44,7 +44,7 @@
   android.hardware.automotive.evs.UltrasonicsArrayDesc[] getUltrasonicsArrayList();
   boolean isHardware();
   android.hardware.automotive.evs.IEvsCamera openCamera(in String cameraId, in android.hardware.automotive.evs.Stream streamCfg);
-  android.hardware.automotive.evs.IEvsDisplay openDisplay(in byte id);
+  android.hardware.automotive.evs.IEvsDisplay openDisplay(in int id);
   android.hardware.automotive.evs.IEvsUltrasonicsArray openUltrasonicsArray(in String ultrasonicsArrayId);
   void registerStatusCallback(in android.hardware.automotive.evs.IEvsEnumeratorStatusCallback callback);
 }
diff --git a/automotive/evs/aidl/android/hardware/automotive/evs/IEvsEnumerator.aidl b/automotive/evs/aidl/android/hardware/automotive/evs/IEvsEnumerator.aidl
index 8e380e0..8698700 100644
--- a/automotive/evs/aidl/android/hardware/automotive/evs/IEvsEnumerator.aidl
+++ b/automotive/evs/aidl/android/hardware/automotive/evs/IEvsEnumerator.aidl
@@ -146,7 +146,7 @@
      * @return EvsDisplay object to be used.
      * @throws EvsResult::INVALID_ARG if no display with a given id exists
      */
-    IEvsDisplay openDisplay(in byte id);
+    IEvsDisplay openDisplay(in int id);
 
     /**
      * Gets the IEvsUltrasonicsArray associated with a ultrasonicsArrayId from a
diff --git a/automotive/evs/aidl/impl/default/include/DefaultEvsEnumerator.h b/automotive/evs/aidl/impl/default/include/DefaultEvsEnumerator.h
index 8bcd867..03a578d 100644
--- a/automotive/evs/aidl/impl/default/include/DefaultEvsEnumerator.h
+++ b/automotive/evs/aidl/impl/default/include/DefaultEvsEnumerator.h
@@ -37,7 +37,7 @@
             const ::aidl::android::hardware::automotive::evs::CameraDesc& desc,
             std::vector<::aidl::android::hardware::automotive::evs::Stream>* _aidl_return) override;
     ::ndk::ScopedAStatus openDisplay(
-            int8_t displayId,
+            int32_t displayId,
             std::shared_ptr<::aidl::android::hardware::automotive::evs::IEvsDisplay>* obj) override;
     ::ndk::ScopedAStatus closeDisplay(
             const std::shared_ptr<::aidl::android::hardware::automotive::evs::IEvsDisplay>& obj)
diff --git a/automotive/evs/aidl/impl/default/src/DefaultEvsEnumerator.cpp b/automotive/evs/aidl/impl/default/src/DefaultEvsEnumerator.cpp
index 2ff6d59..5a81d05 100644
--- a/automotive/evs/aidl/impl/default/src/DefaultEvsEnumerator.cpp
+++ b/automotive/evs/aidl/impl/default/src/DefaultEvsEnumerator.cpp
@@ -51,7 +51,7 @@
     return ScopedAStatus::ok();
 }
 
-ScopedAStatus DefaultEvsEnumerator::openDisplay(int8_t displayId,
+ScopedAStatus DefaultEvsEnumerator::openDisplay(int32_t displayId,
                                                 std::shared_ptr<IEvsDisplay>* obj) {
     return ScopedAStatus::ok();
 }
diff --git a/automotive/vehicle/aidl/aidl_test/Android.bp b/automotive/vehicle/aidl/aidl_test/Android.bp
index 5284a0a..cb92c6b 100644
--- a/automotive/vehicle/aidl/aidl_test/Android.bp
+++ b/automotive/vehicle/aidl/aidl_test/Android.bp
@@ -26,7 +26,7 @@
         "libhidlbase",
     ],
     static_libs: [
-        "VehicleHalUtils",
+        "VehicleHalUtilsVendor",
         "android.hardware.automotive.vehicle@2.0",
         "libgtest",
         "libgmock",
diff --git a/automotive/vehicle/aidl/impl/default_config/Android.bp b/automotive/vehicle/aidl/impl/default_config/Android.bp
index 0feaf23..7a98b64 100644
--- a/automotive/vehicle/aidl/impl/default_config/Android.bp
+++ b/automotive/vehicle/aidl/impl/default_config/Android.bp
@@ -24,8 +24,8 @@
     local_include_dirs: ["include"],
     export_include_dirs: ["include"],
     defaults: ["VehicleHalDefaults"],
-    static_libs: ["VehicleHalUtils"],
+    static_libs: ["VehicleHalUtilsVendor"],
     header_libs: ["VehicleHalTestUtilHeaders"],
-    export_static_lib_headers: ["VehicleHalUtils"],
+    export_static_lib_headers: ["VehicleHalUtilsVendor"],
     export_header_lib_headers: ["VehicleHalTestUtilHeaders"],
 }
diff --git a/automotive/vehicle/aidl/impl/default_config/test/Android.bp b/automotive/vehicle/aidl/impl/default_config/test/Android.bp
index 771472c..0c4a3a4 100644
--- a/automotive/vehicle/aidl/impl/default_config/test/Android.bp
+++ b/automotive/vehicle/aidl/impl/default_config/test/Android.bp
@@ -24,7 +24,7 @@
     defaults: ["VehicleHalDefaults"],
     srcs: ["*.cpp"],
     static_libs: [
-        "VehicleHalUtils",
+        "VehicleHalUtilsVendor",
         "libgtest",
     ],
     header_libs: [
diff --git a/automotive/vehicle/aidl/impl/fake_impl/GeneratorHub/Android.bp b/automotive/vehicle/aidl/impl/fake_impl/GeneratorHub/Android.bp
index ab223d3..e6c4ee9 100644
--- a/automotive/vehicle/aidl/impl/fake_impl/GeneratorHub/Android.bp
+++ b/automotive/vehicle/aidl/impl/fake_impl/GeneratorHub/Android.bp
@@ -26,7 +26,7 @@
     export_include_dirs: ["include"],
     defaults: ["VehicleHalDefaults"],
     static_libs: [
-        "VehicleHalUtils",
+        "VehicleHalUtilsVendor",
         "FakeObd2Frame",
     ],
     shared_libs: [
diff --git a/automotive/vehicle/aidl/impl/fake_impl/GeneratorHub/test/Android.bp b/automotive/vehicle/aidl/impl/fake_impl/GeneratorHub/test/Android.bp
index ac8db44..58f0e98 100644
--- a/automotive/vehicle/aidl/impl/fake_impl/GeneratorHub/test/Android.bp
+++ b/automotive/vehicle/aidl/impl/fake_impl/GeneratorHub/test/Android.bp
@@ -24,7 +24,7 @@
     srcs: ["*.cpp"],
     defaults: ["VehicleHalDefaults"],
     static_libs: [
-        "VehicleHalUtils",
+        "VehicleHalUtilsVendor",
         "FakeVehicleHalValueGenerators",
         "FakeObd2Frame",
     ],
diff --git a/automotive/vehicle/aidl/impl/fake_impl/hardware/Android.bp b/automotive/vehicle/aidl/impl/fake_impl/hardware/Android.bp
index dcd9208..49f7671 100644
--- a/automotive/vehicle/aidl/impl/fake_impl/hardware/Android.bp
+++ b/automotive/vehicle/aidl/impl/fake_impl/hardware/Android.bp
@@ -39,7 +39,7 @@
     ],
     export_header_lib_headers: ["IVehicleHardware"],
     static_libs: [
-        "VehicleHalUtils",
+        "VehicleHalUtilsVendor",
         "FakeVehicleHalValueGenerators",
         "FakeObd2Frame",
         "FakeUserHal",
@@ -47,5 +47,5 @@
     shared_libs: [
         "libjsoncpp",
     ],
-    export_static_lib_headers: ["VehicleHalUtils"],
+    export_static_lib_headers: ["VehicleHalUtilsVendor"],
 }
diff --git a/automotive/vehicle/aidl/impl/fake_impl/hardware/test/Android.bp b/automotive/vehicle/aidl/impl/fake_impl/hardware/test/Android.bp
index 90d1516..9f679bc 100644
--- a/automotive/vehicle/aidl/impl/fake_impl/hardware/test/Android.bp
+++ b/automotive/vehicle/aidl/impl/fake_impl/hardware/test/Android.bp
@@ -29,7 +29,7 @@
         "VehicleHalTestUtilHeaders",
     ],
     static_libs: [
-        "VehicleHalUtils",
+        "VehicleHalUtilsVendor",
         "FakeVehicleHardware",
         "FakeVehicleHalValueGenerators",
         "FakeObd2Frame",
diff --git a/automotive/vehicle/aidl/impl/fake_impl/obd2frame/Android.bp b/automotive/vehicle/aidl/impl/fake_impl/obd2frame/Android.bp
index c1cee84..c21ad53 100644
--- a/automotive/vehicle/aidl/impl/fake_impl/obd2frame/Android.bp
+++ b/automotive/vehicle/aidl/impl/fake_impl/obd2frame/Android.bp
@@ -26,7 +26,7 @@
     export_include_dirs: ["include"],
     defaults: ["VehicleHalDefaults"],
     static_libs: [
-        "VehicleHalUtils",
+        "VehicleHalUtilsVendor",
     ],
-    export_static_lib_headers: ["VehicleHalUtils"],
+    export_static_lib_headers: ["VehicleHalUtilsVendor"],
 }
diff --git a/automotive/vehicle/aidl/impl/fake_impl/obd2frame/test/Android.bp b/automotive/vehicle/aidl/impl/fake_impl/obd2frame/test/Android.bp
index 55b8c93..a16185b 100644
--- a/automotive/vehicle/aidl/impl/fake_impl/obd2frame/test/Android.bp
+++ b/automotive/vehicle/aidl/impl/fake_impl/obd2frame/test/Android.bp
@@ -25,7 +25,7 @@
     defaults: ["VehicleHalDefaults"],
     static_libs: [
         "FakeObd2Frame",
-        "VehicleHalUtils",
+        "VehicleHalUtilsVendor",
     ],
     test_suites: ["device-tests"],
 }
diff --git a/automotive/vehicle/aidl/impl/fake_impl/userhal/Android.bp b/automotive/vehicle/aidl/impl/fake_impl/userhal/Android.bp
index 2e95531..1689102 100644
--- a/automotive/vehicle/aidl/impl/fake_impl/userhal/Android.bp
+++ b/automotive/vehicle/aidl/impl/fake_impl/userhal/Android.bp
@@ -26,7 +26,7 @@
     export_include_dirs: ["include"],
     defaults: ["VehicleHalDefaults"],
     static_libs: [
-        "VehicleHalUtils",
+        "VehicleHalUtilsVendor",
     ],
-    export_static_lib_headers: ["VehicleHalUtils"],
+    export_static_lib_headers: ["VehicleHalUtilsVendor"],
 }
diff --git a/automotive/vehicle/aidl/impl/fake_impl/userhal/test/Android.bp b/automotive/vehicle/aidl/impl/fake_impl/userhal/test/Android.bp
index 7d0a534..1471ea6 100644
--- a/automotive/vehicle/aidl/impl/fake_impl/userhal/test/Android.bp
+++ b/automotive/vehicle/aidl/impl/fake_impl/userhal/test/Android.bp
@@ -25,7 +25,7 @@
     defaults: ["VehicleHalDefaults"],
     static_libs: [
         "FakeUserHal",
-        "VehicleHalUtils",
+        "VehicleHalUtilsVendor",
         "libgtest",
         "libgmock",
     ],
diff --git a/automotive/vehicle/aidl/impl/grpc/utils/proto_message_converter/Android.bp b/automotive/vehicle/aidl/impl/grpc/utils/proto_message_converter/Android.bp
index 7670c25..6209880 100644
--- a/automotive/vehicle/aidl/impl/grpc/utils/proto_message_converter/Android.bp
+++ b/automotive/vehicle/aidl/impl/grpc/utils/proto_message_converter/Android.bp
@@ -34,10 +34,10 @@
     shared_libs: ["libprotobuf-cpp-full"],
     static_libs: [
         "VehicleHalProtos",
-        "VehicleHalUtils",
+        "VehicleHalUtilsVendor",
     ],
     defaults: ["VehicleHalDefaults"],
-    export_static_lib_headers: ["VehicleHalUtils"],
+    export_static_lib_headers: ["VehicleHalUtilsVendor"],
 }
 
 cc_test {
@@ -51,7 +51,7 @@
     static_libs: [
         "VehicleHalProtoMessageConverter",
         "VehicleHalProtos",
-        "VehicleHalUtils",
+        "VehicleHalUtilsVendor",
         "libgtest",
     ],
     header_libs: ["VehicleHalDefaultConfig"],
diff --git a/automotive/vehicle/aidl/impl/utils/common/Android.bp b/automotive/vehicle/aidl/impl/utils/common/Android.bp
index ace505d..88713f1 100644
--- a/automotive/vehicle/aidl/impl/utils/common/Android.bp
+++ b/automotive/vehicle/aidl/impl/utils/common/Android.bp
@@ -19,7 +19,7 @@
 }
 
 cc_library {
-    name: "VehicleHalUtils",
+    name: "VehicleHalUtilsVendor",
     srcs: ["src/*.cpp"],
     vendor: true,
     local_include_dirs: ["include"],
@@ -27,6 +27,33 @@
     defaults: ["VehicleHalDefaults"],
 }
 
+// This is a non-vendor version for VehicleHalUtilsVendor.
+cc_library {
+    name: "VehicleHalUtils",
+    srcs: ["src/*.cpp"],
+    local_include_dirs: ["include"],
+    export_include_dirs: ["include"],
+    static_libs: [
+        "android-automotive-large-parcelable-lib",
+        "android.hardware.automotive.vehicle-V1-ndk",
+        "libmath",
+    ],
+    shared_libs: [
+        "libbase",
+        "liblog",
+        "libutils",
+    ],
+    cflags: [
+        "-Wall",
+        "-Wextra",
+        "-Werror",
+        "-Wthread-safety",
+    ],
+    defaults: [
+        "android-automotive-large-parcelable-defaults",
+    ],
+}
+
 cc_library_headers {
     name: "VehicleHalUtilHeaders",
     export_include_dirs: ["include"],
diff --git a/automotive/vehicle/aidl/impl/utils/common/test/Android.bp b/automotive/vehicle/aidl/impl/utils/common/test/Android.bp
index 250b331..bcb3c8d 100644
--- a/automotive/vehicle/aidl/impl/utils/common/test/Android.bp
+++ b/automotive/vehicle/aidl/impl/utils/common/test/Android.bp
@@ -19,11 +19,11 @@
 }
 
 cc_test {
-    name: "VehicleHalVehicleUtilsTest",
+    name: "VehicleHalVehicleUtilsVendorTest",
     srcs: ["*.cpp"],
     vendor: true,
     static_libs: [
-        "VehicleHalUtils",
+        "VehicleHalUtilsVendor",
         "libgtest",
         "libgmock",
     ],
diff --git a/automotive/vehicle/aidl/impl/vhal/Android.bp b/automotive/vehicle/aidl/impl/vhal/Android.bp
index 49f48f7..295cbb7 100644
--- a/automotive/vehicle/aidl/impl/vhal/Android.bp
+++ b/automotive/vehicle/aidl/impl/vhal/Android.bp
@@ -33,7 +33,7 @@
     static_libs: [
         "DefaultVehicleHal",
         "FakeVehicleHardware",
-        "VehicleHalUtils",
+        "VehicleHalUtilsVendor",
     ],
     header_libs: [
         "IVehicleHardware",
@@ -58,7 +58,7 @@
         "src/SubscriptionManager.cpp",
     ],
     static_libs: [
-        "VehicleHalUtils",
+        "VehicleHalUtilsVendor",
     ],
     header_libs: [
         "IVehicleHardware",
diff --git a/automotive/vehicle/aidl/impl/vhal/test/Android.bp b/automotive/vehicle/aidl/impl/vhal/test/Android.bp
index 7122aa5..d89f2c1 100644
--- a/automotive/vehicle/aidl/impl/vhal/test/Android.bp
+++ b/automotive/vehicle/aidl/impl/vhal/test/Android.bp
@@ -24,7 +24,7 @@
     srcs: ["*.cpp"],
     static_libs: [
         "DefaultVehicleHal",
-        "VehicleHalUtils",
+        "VehicleHalUtilsVendor",
         "libgtest",
         "libgmock",
     ],
diff --git a/biometrics/face/aidl/Android.bp b/biometrics/face/aidl/Android.bp
index fff2c1d..174f1da 100644
--- a/biometrics/face/aidl/Android.bp
+++ b/biometrics/face/aidl/Android.bp
@@ -22,7 +22,6 @@
     backend: {
         java: {
             platform_apis: true,
-            srcs_available: true,
         },
         cpp: {
             enabled: false,
diff --git a/compatibility_matrices/compatibility_matrix.current.xml b/compatibility_matrices/compatibility_matrix.current.xml
index dc716bb..95ba217 100644
--- a/compatibility_matrices/compatibility_matrix.current.xml
+++ b/compatibility_matrices/compatibility_matrix.current.xml
@@ -382,6 +382,14 @@
             <instance>default</instance>
         </interface>
     </hal>
+    <hal format="aidl" optional="true">
+        <name>android.hardware.input.processor</name>
+        <version>1</version>
+        <interface>
+            <name>IInputProcessor</name>
+            <instance>default</instance>
+        </interface>
+    </hal>
     <hal format="hidl" optional="true">
         <name>android.hardware.keymaster</name>
         <version>3.0</version>
@@ -503,7 +511,7 @@
     </hal>
     <hal format="aidl" optional="false">
         <name>android.hardware.power</name>
-        <version>1-3</version>
+        <version>2-3</version>
         <interface>
             <name>IPower</name>
             <instance>default</instance>
diff --git a/contexthub/aidl/android/hardware/contexthub/IContextHub.aidl b/contexthub/aidl/android/hardware/contexthub/IContextHub.aidl
index 2135041..16666ef 100644
--- a/contexthub/aidl/android/hardware/contexthub/IContextHub.aidl
+++ b/contexthub/aidl/android/hardware/contexthub/IContextHub.aidl
@@ -189,9 +189,8 @@
      * called, the HAL is expected to clean up any resources attached to the messaging channel
      * associated with this host endpoint ID.
      *
-     * @param hostEndPointId The ID of the host that has disconnected.
-     *
-     * @throws EX_ILLEGAL_ARGUMENT if hostEndpointId is not associated with a connected host.
+     * @param hostEndPointId The ID of the host that has disconnected. Any invalid values for this
+     *                       parameter should be ignored (no-op).
      */
     void onHostEndpointDisconnected(char hostEndpointId);
 
diff --git a/contexthub/aidl/vts/VtsAidlHalContextHubTargetTest.cpp b/contexthub/aidl/vts/VtsAidlHalContextHubTargetTest.cpp
index f0583be..3c01c6b 100644
--- a/contexthub/aidl/vts/VtsAidlHalContextHubTargetTest.cpp
+++ b/contexthub/aidl/vts/VtsAidlHalContextHubTargetTest.cpp
@@ -338,8 +338,7 @@
 TEST_P(ContextHubAidl, TestInvalidHostConnection) {
     constexpr char16_t kHostEndpointId = 1;
 
-    Status status = contextHub->onHostEndpointDisconnected(kHostEndpointId);
-    ASSERT_EQ(status.exceptionCode(), android::binder::Status::EX_ILLEGAL_ARGUMENT);
+    ASSERT_TRUE(contextHub->onHostEndpointDisconnected(kHostEndpointId).isOk());
 }
 
 std::string PrintGeneratedTest(const testing::TestParamInfo<ContextHubAidl::ParamType>& info) {
diff --git a/gnss/aidl/aidl_api/android.hardware.gnss/current/android/hardware/gnss/IGnssDebug.aidl b/gnss/aidl/aidl_api/android.hardware.gnss/current/android/hardware/gnss/IGnssDebug.aidl
index 27d9887..8e4b5f2 100644
--- a/gnss/aidl/aidl_api/android.hardware.gnss/current/android/hardware/gnss/IGnssDebug.aidl
+++ b/gnss/aidl/aidl_api/android.hardware.gnss/current/android/hardware/gnss/IGnssDebug.aidl
@@ -42,13 +42,6 @@
     NOT_AVAILABLE = 2,
   }
   @Backing(type="int") @VintfStability
-  enum SatelliteEphemerisSource {
-    DEMODULATED = 0,
-    SUPL_PROVIDED = 1,
-    OTHER_SERVER_PROVIDED = 2,
-    OTHER = 3,
-  }
-  @Backing(type="int") @VintfStability
   enum SatelliteEphemerisHealth {
     GOOD = 0,
     BAD = 1,
@@ -79,7 +72,7 @@
     int svid;
     android.hardware.gnss.GnssConstellationType constellation;
     android.hardware.gnss.IGnssDebug.SatelliteEphemerisType ephemerisType;
-    android.hardware.gnss.IGnssDebug.SatelliteEphemerisSource ephemerisSource;
+    android.hardware.gnss.SatellitePvt.SatelliteEphemerisSource ephemerisSource;
     android.hardware.gnss.IGnssDebug.SatelliteEphemerisHealth ephemerisHealth;
     float ephemerisAgeSeconds;
     boolean serverPredictionIsAvailable;
diff --git a/gnss/aidl/aidl_api/android.hardware.gnss/current/android/hardware/gnss/SatellitePvt.aidl b/gnss/aidl/aidl_api/android.hardware.gnss/current/android/hardware/gnss/SatellitePvt.aidl
index 8c17841..21a2520 100644
--- a/gnss/aidl/aidl_api/android.hardware.gnss/current/android/hardware/gnss/SatellitePvt.aidl
+++ b/gnss/aidl/aidl_api/android.hardware.gnss/current/android/hardware/gnss/SatellitePvt.aidl
@@ -40,7 +40,19 @@
   android.hardware.gnss.SatelliteClockInfo satClockInfo;
   double ionoDelayMeters;
   double tropoDelayMeters;
+  int TOC;
+  int IODC;
+  int TOE;
+  int IODE;
+  android.hardware.gnss.SatellitePvt.SatelliteEphemerisSource ephemerisSource = android.hardware.gnss.SatellitePvt.SatelliteEphemerisSource.OTHER;
   const int HAS_POSITION_VELOCITY_CLOCK_INFO = 1;
   const int HAS_IONO = 2;
   const int HAS_TROPO = 4;
+  @Backing(type="int") @VintfStability
+  enum SatelliteEphemerisSource {
+    DEMODULATED = 0,
+    SERVER_NORMAL = 1,
+    SERVER_LONG_TERM = 2,
+    OTHER = 3,
+  }
 }
diff --git a/gnss/aidl/android/hardware/gnss/IGnssDebug.aidl b/gnss/aidl/android/hardware/gnss/IGnssDebug.aidl
index 475a4a3..3071dce5 100644
--- a/gnss/aidl/android/hardware/gnss/IGnssDebug.aidl
+++ b/gnss/aidl/android/hardware/gnss/IGnssDebug.aidl
@@ -17,6 +17,7 @@
 package android.hardware.gnss;
 
 import android.hardware.gnss.GnssConstellationType;
+import android.hardware.gnss.SatellitePvt.SatelliteEphemerisSource;
 
 /**
  * Extended interface for GNSS Debug support
@@ -35,16 +36,6 @@
         NOT_AVAILABLE = 2,
     }
 
-    /** Satellite's ephemeris source */
-    @VintfStability
-    @Backing(type="int")
-    enum SatelliteEphemerisSource {
-        DEMODULATED = 0,
-        SUPL_PROVIDED = 1,
-        OTHER_SERVER_PROVIDED = 2,
-        OTHER = 3,
-    }
-
     /** Satellite's ephemeris health */
     @VintfStability
     @Backing(type="int")
diff --git a/gnss/aidl/android/hardware/gnss/SatellitePvt.aidl b/gnss/aidl/android/hardware/gnss/SatellitePvt.aidl
index a238e3f..e79249d 100644
--- a/gnss/aidl/android/hardware/gnss/SatellitePvt.aidl
+++ b/gnss/aidl/android/hardware/gnss/SatellitePvt.aidl
@@ -74,4 +74,62 @@
 
     /** Tropospheric delay in meters. */
     double tropoDelayMeters;
+
+    /**
+     * Time of Clock.
+     *
+     * This is defined in GPS ICD200 documentation
+     * (e.g., https://www.gps.gov/technical/icwg/IS-GPS-200H.pdf).
+     */
+    int TOC;
+
+    /**
+     * Issue of Data, Clock.
+     *
+     * This is defined in GPS ICD200 documentation
+     * (e.g., https://www.gps.gov/technical/icwg/IS-GPS-200H.pdf).
+     *
+     * The field must be set to 0 if it is not supported.
+     */
+    int IODC;
+
+    /**
+     * Time of Ephemeris.
+     *
+     * This is defined in GPS ICD200 documentation
+     * (e.g., https://www.gps.gov/technical/icwg/IS-GPS-200H.pdf).
+     */
+    int TOE;
+
+    /**
+     * Issue of Data, Ephemeris.
+     *
+     * This is defined in GPS ICD200 documentation
+     * (e.g., https://www.gps.gov/technical/icwg/IS-GPS-200H.pdf).
+     *
+     * The field must be set to 0 if it is not supported.
+     */
+    int IODE;
+
+    /** Satellite's ephemeris source */
+    @VintfStability
+    @Backing(type="int")
+    enum SatelliteEphemerisSource {
+        // Demodulated from broadcast signals
+        DEMODULATED = 0,
+        // Server provided Normal type ephemeris data, which is similar to broadcast ephemeris in
+        // longevity (e.g. SUPL) - lasting for few hours and providing satellite orbit and clock
+        // with accuracy of 1 - 2 meters.
+        SERVER_NORMAL = 1,
+        // Server provided Long-Term type ephemeris data, which lasts for many hours to several days
+        // and often provides satellite orbit and clock accuracy of 2 - 20 meters.
+        SERVER_LONG_TERM = 2,
+        // Other source
+        OTHER = 3,
+    }
+
+    /**
+     * Source of the ephemeris.
+     */
+    SatelliteEphemerisSource ephemerisSource = SatelliteEphemerisSource.OTHER;
 }
diff --git a/gnss/aidl/vts/gnss_hal_test_cases.cpp b/gnss/aidl/vts/gnss_hal_test_cases.cpp
index 1b69488..a4a0044 100644
--- a/gnss/aidl/vts/gnss_hal_test_cases.cpp
+++ b/gnss/aidl/vts/gnss_hal_test_cases.cpp
@@ -102,7 +102,7 @@
     }
 }
 
-void CheckSatellitePvt(const SatellitePvt& satellitePvt) {
+void CheckSatellitePvt(const SatellitePvt& satellitePvt, const int interfaceVersion) {
     const double kMaxOrbitRadiusMeters = 43000000.0;
     const double kMaxVelocityMps = 4000.0;
     // The below values are determined using GPS ICD Table 20-1
@@ -147,6 +147,14 @@
         ALOGD("Found HAS_TROPO");
         ASSERT_TRUE(satellitePvt.tropoDelayMeters > 0 && satellitePvt.tropoDelayMeters < 100);
     }
+    if (interfaceVersion >= 2) {
+        ASSERT_TRUE(satellitePvt.TOC >= 0 && satellitePvt.TOC <= 604784);
+        ASSERT_TRUE(satellitePvt.TOE >= 0 && satellitePvt.TOE <= 604784);
+        // IODC has 10 bits
+        ASSERT_TRUE(satellitePvt.IODC >= 0 && satellitePvt.IODC <= 1023);
+        // IODE has 8 bits
+        ASSERT_TRUE(satellitePvt.IODE >= 0 && satellitePvt.IODE <= 255);
+    }
 }
 
 void CheckGnssMeasurementClockFields(const GnssData& measurement) {
@@ -226,7 +234,7 @@
                 kIsSatellitePvtSupported == true) {
                 ALOGD("Found a measurement with SatellitePvt");
                 satellitePvtFound = true;
-                CheckSatellitePvt(measurement.satellitePvt);
+                CheckSatellitePvt(measurement.satellitePvt, aidl_gnss_hal_->getInterfaceVersion());
             }
         }
     }
diff --git a/gnss/common/utils/default/Utils.cpp b/gnss/common/utils/default/Utils.cpp
index 122a293..4e6a718 100644
--- a/gnss/common/utils/default/Utils.cpp
+++ b/gnss/common/utils/default/Utils.cpp
@@ -32,6 +32,7 @@
 using aidl::android::hardware::gnss::GnssLocation;
 using aidl::android::hardware::gnss::GnssMeasurement;
 using aidl::android::hardware::gnss::IGnss;
+using aidl::android::hardware::gnss::IGnssDebug;
 using aidl::android::hardware::gnss::IGnssMeasurementCallback;
 using aidl::android::hardware::gnss::SatellitePvt;
 using GnssSvInfo = aidl::android::hardware::gnss::IGnssCallback::GnssSvInfo;
@@ -181,21 +182,30 @@
             .fullInterSignalBiasUncertaintyNs = 792.0,
             .satelliteInterSignalBiasNs = 233.9,
             .satelliteInterSignalBiasUncertaintyNs = 921.2,
-            .satellitePvt = {.flags = SatellitePvt::HAS_POSITION_VELOCITY_CLOCK_INFO |
-                                      SatellitePvt::HAS_IONO | SatellitePvt::HAS_TROPO,
-                             .satPosEcef = {.posXMeters = 10442993.1153328,
-                                            .posYMeters = -19926932.8051666,
-                                            .posZMeters = -12034295.0216203,
-                                            .ureMeters = 1000.2345678},
-                             .satVelEcef = {.velXMps = -478.667183715732,
-                                            .velYMps = 1580.68371984114,
-                                            .velZMps = -3030.52994449997,
-                                            .ureRateMps = 10.2345678},
-                             .satClockInfo = {.satHardwareCodeBiasMeters = 1.396983861923e-09,
-                                              .satTimeCorrectionMeters = -7113.08964331,
-                                              .satClkDriftMps = 0},
-                             .ionoDelayMeters = 3.069949602639317e-08,
-                             .tropoDelayMeters = 3.882265204404031},
+            .satellitePvt =
+                    {
+                            .flags = SatellitePvt::HAS_POSITION_VELOCITY_CLOCK_INFO |
+                                     SatellitePvt::HAS_IONO | SatellitePvt::HAS_TROPO,
+                            .satPosEcef = {.posXMeters = 10442993.1153328,
+                                           .posYMeters = -19926932.8051666,
+                                           .posZMeters = -12034295.0216203,
+                                           .ureMeters = 1000.2345678},
+                            .satVelEcef = {.velXMps = -478.667183715732,
+                                           .velYMps = 1580.68371984114,
+                                           .velZMps = -3030.52994449997,
+                                           .ureRateMps = 10.2345678},
+                            .satClockInfo = {.satHardwareCodeBiasMeters = 1.396983861923e-09,
+                                             .satTimeCorrectionMeters = -7113.08964331,
+                                             .satClkDriftMps = 0},
+                            .ionoDelayMeters = 3.069949602639317e-08,
+                            .tropoDelayMeters = 3.882265204404031,
+                            .ephemerisSource =
+                                    SatellitePvt::SatelliteEphemerisSource::SERVER_LONG_TERM,
+                            .TOC = 12345,
+                            .IODC = 143,
+                            .TOE = 9876,
+                            .IODE = 48,
+                    },
             .correlationVectors = {}};
 
     GnssClock clock = {.gnssClockFlags = GnssClock::HAS_FULL_BIAS | GnssClock::HAS_BIAS |
diff --git a/input/classifier/README.md b/input/classifier/README.md
new file mode 100644
index 0000000..a68d726
--- /dev/null
+++ b/input/classifier/README.md
@@ -0,0 +1 @@
+This HAL is deprecated. Do not use this HAL. Use IInputProcessor instead, located in `hardware/interfaces/input/processor`.
\ No newline at end of file
diff --git a/input/common/aidl/Android.bp b/input/common/aidl/Android.bp
index 6cf64a6..b96f4d0 100644
--- a/input/common/aidl/Android.bp
+++ b/input/common/aidl/Android.bp
@@ -9,6 +9,7 @@
 
 aidl_interface {
     name: "android.hardware.input.common",
+    vendor_available: true,
     srcs: ["android/hardware/input/common/*.aidl"],
     stability: "vintf",
     backend: {
diff --git a/input/common/aidl/aidl_api/android.hardware.input.common/current/android/hardware/input/common/Source.aidl b/input/common/aidl/aidl_api/android.hardware.input.common/current/android/hardware/input/common/Source.aidl
index 24d02cd..396e06d 100644
--- a/input/common/aidl/aidl_api/android.hardware.input.common/current/android/hardware/input/common/Source.aidl
+++ b/input/common/aidl/aidl_api/android.hardware.input.common/current/android/hardware/input/common/Source.aidl
@@ -48,6 +48,7 @@
   TOUCH_NAVIGATION = 2097152,
   ROTARY_ENCODER = 4194304,
   JOYSTICK = 16777232,
+  HDMI = 33554433,
   SENSOR = 67108864,
   ANY = -256,
 }
diff --git a/input/common/aidl/android/hardware/input/common/Source.aidl b/input/common/aidl/android/hardware/input/common/Source.aidl
index 7eb6d66..c6a825a 100644
--- a/input/common/aidl/android/hardware/input/common/Source.aidl
+++ b/input/common/aidl/android/hardware/input/common/Source.aidl
@@ -38,6 +38,11 @@
     TOUCH_NAVIGATION = (1 << 21) | SourceClass.NONE,
     ROTARY_ENCODER = (1 << 22) | SourceClass.NONE,
     JOYSTICK = (1 << 24) | SourceClass.JOYSTICK,
+    /**
+     * The input source is a device connected through HDMI-based bus.
+     * The keys come in through HDMI-CEC or MHL signal line.
+     */
+    HDMI = (1 << 25) | SourceClass.BUTTON,
     SENSOR = (1 << 26) | SourceClass.NONE,
     ANY = 0xFFFFFF00,
 }
diff --git a/input/processor/aidl/Android.bp b/input/processor/aidl/Android.bp
new file mode 100644
index 0000000..f848a57
--- /dev/null
+++ b/input/processor/aidl/Android.bp
@@ -0,0 +1,26 @@
+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"],
+}
+
+aidl_interface {
+    name: "android.hardware.input.processor",
+    vendor_available: true,
+    srcs: ["android/hardware/input/processor/*.aidl"],
+    imports: [
+        "android.hardware.input.common",
+    ],
+    stability: "vintf",
+    backend: {
+        cpp: {
+            enabled: false,
+        },
+        java: {
+            enabled: false,
+        },
+    },
+}
diff --git a/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/NeighboringCell.aidl b/input/processor/aidl/aidl_api/android.hardware.input.processor/current/android/hardware/input/processor/IInputProcessor.aidl
similarity index 84%
rename from radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/NeighboringCell.aidl
rename to input/processor/aidl/aidl_api/android.hardware.input.processor/current/android/hardware/input/processor/IInputProcessor.aidl
index 4f29c0b..9d00c70 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.network/current/android/hardware/radio/network/NeighboringCell.aidl
+++ b/input/processor/aidl/aidl_api/android.hardware.input.processor/current/android/hardware/input/processor/IInputProcessor.aidl
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2021 The Android Open Source Project
+ * 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.
@@ -31,9 +31,10 @@
 // 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.radio.network;
+package android.hardware.input.processor;
 @VintfStability
-parcelable NeighboringCell {
-  String cid;
-  int rssi;
+interface IInputProcessor {
+  android.hardware.input.common.Classification classify(in android.hardware.input.common.MotionEvent event);
+  void reset();
+  void resetDevice(in int deviceId);
 }
diff --git a/input/processor/aidl/android/hardware/input/processor/IInputProcessor.aidl b/input/processor/aidl/android/hardware/input/processor/IInputProcessor.aidl
new file mode 100644
index 0000000..635ff0a
--- /dev/null
+++ b/input/processor/aidl/android/hardware/input/processor/IInputProcessor.aidl
@@ -0,0 +1,40 @@
+/*
+ * 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.input.processor;
+
+@VintfStability
+interface IInputProcessor {
+    /**
+     * Upon receiving the current motion event, return the classification based on the current
+     * sequence of motion events.
+     * Once the classification has been determined, it should not change until a new gesture is
+     * started.
+     */
+    android.hardware.input.common.Classification classify(
+            in android.hardware.input.common.MotionEvent event);
+
+    /**
+     * Reset the HAL internal state. The reset may be called to prevent an inconsistent
+     * stream of events to be sent to the HAL.
+     */
+    void reset();
+
+    /**
+     * Called when an input device has been reset.
+     */
+    void resetDevice(in int deviceId);
+}
diff --git a/input/processor/aidl/default/Android.bp b/input/processor/aidl/default/Android.bp
new file mode 100644
index 0000000..f485597
--- /dev/null
+++ b/input/processor/aidl/default/Android.bp
@@ -0,0 +1,54 @@
+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_static {
+    name: "libinputprocessorexampleimpl",
+    vendor: true,
+    shared_libs: [
+        "libbase",
+        "libbinder_ndk",
+        "liblog",
+        "libutils",
+        "android.hardware.input.common-V1-ndk",
+        "android.hardware.input.processor-V1-ndk",
+    ],
+    export_include_dirs: ["include"],
+    srcs: [
+        "InputProcessor.cpp",
+    ],
+    visibility: [
+        ":__subpackages__",
+        "//hardware/interfaces/tests/extension/input/processor:__subpackages__",
+    ],
+}
+
+filegroup {
+    name: "android.hardware.input.processor.xml",
+    srcs: ["android.hardware.input.processor.xml"],
+}
+
+cc_binary {
+    name: "android.hardware.input.processor-service.example",
+    relative_install_path: "hw",
+    init_rc: ["inputprocessor-default.rc"],
+    vintf_fragments: [":android.hardware.input.processor.xml"],
+    vendor: true,
+    shared_libs: [
+        "libbase",
+        "libbinder_ndk",
+        "liblog",
+        "libutils",
+        "android.hardware.input.common-V1-ndk",
+        "android.hardware.input.processor-V1-ndk",
+    ],
+    static_libs: [
+        "libinputprocessorexampleimpl",
+    ],
+    srcs: ["main.cpp"],
+}
diff --git a/input/processor/aidl/default/InputProcessor.cpp b/input/processor/aidl/default/InputProcessor.cpp
new file mode 100644
index 0000000..fb6bbd5
--- /dev/null
+++ b/input/processor/aidl/default/InputProcessor.cpp
@@ -0,0 +1,44 @@
+/*
+ * 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.
+ */
+
+#include "inputprocessor-impl/InputProcessor.h"
+
+namespace aidl {
+namespace android {
+namespace hardware {
+namespace input {
+namespace processor {
+
+using ::aidl::android::hardware::input::common::Classification;
+using aidl::android::hardware::input::common::MotionEvent;
+
+::ndk::ScopedAStatus InputProcessor::classify(const MotionEvent& /*in_event*/,
+                                              Classification* _aidl_return) {
+    *_aidl_return = Classification::NONE;
+    return ndk::ScopedAStatus::ok();
+}
+::ndk::ScopedAStatus InputProcessor::reset() {
+    return ndk::ScopedAStatus::ok();
+}
+::ndk::ScopedAStatus InputProcessor::resetDevice(int32_t /*in_deviceId*/) {
+    return ndk::ScopedAStatus::ok();
+}
+
+}  // namespace processor
+}  // namespace input
+}  // namespace hardware
+}  // namespace android
+}  // namespace aidl
\ No newline at end of file
diff --git a/input/processor/aidl/default/android.hardware.input.processor.xml b/input/processor/aidl/default/android.hardware.input.processor.xml
new file mode 100644
index 0000000..5ecbd2a
--- /dev/null
+++ b/input/processor/aidl/default/android.hardware.input.processor.xml
@@ -0,0 +1,7 @@
+<manifest version="1.0" type="device">
+    <hal format="aidl">
+        <name>android.hardware.input.processor</name>
+        <version>1</version>
+        <fqname>IInputProcessor/default</fqname>
+    </hal>
+</manifest>
\ No newline at end of file
diff --git a/input/processor/aidl/default/include/inputprocessor-impl/InputProcessor.h b/input/processor/aidl/default/include/inputprocessor-impl/InputProcessor.h
new file mode 100644
index 0000000..0d6bc58
--- /dev/null
+++ b/input/processor/aidl/default/include/inputprocessor-impl/InputProcessor.h
@@ -0,0 +1,40 @@
+/*
+ * 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.
+ */
+
+#pragma once
+
+#include <aidl/android/hardware/input/processor/BnInputProcessor.h>
+
+namespace aidl {
+namespace android {
+namespace hardware {
+namespace input {
+namespace processor {
+
+class InputProcessor : public ::aidl::android::hardware::input::processor::BnInputProcessor {
+  public:
+    ::ndk::ScopedAStatus classify(
+            const ::aidl::android::hardware::input::common::MotionEvent& in_event,
+            ::aidl::android::hardware::input::common::Classification* _aidl_return) override;
+    ::ndk::ScopedAStatus reset() override;
+    ::ndk::ScopedAStatus resetDevice(int32_t in_deviceId) override;
+};
+
+}  // namespace processor
+}  // namespace input
+}  // namespace hardware
+}  // namespace android
+}  // namespace aidl
\ No newline at end of file
diff --git a/input/processor/aidl/default/inputprocessor-default.rc b/input/processor/aidl/default/inputprocessor-default.rc
new file mode 100644
index 0000000..bcc6c02
--- /dev/null
+++ b/input/processor/aidl/default/inputprocessor-default.rc
@@ -0,0 +1,4 @@
+service vendor.inputprocessor-default /vendor/bin/hw/android.hardware.input.processor-service.example
+    class hal
+    user nobody
+    group nobody
\ No newline at end of file
diff --git a/input/processor/aidl/default/main.cpp b/input/processor/aidl/default/main.cpp
new file mode 100644
index 0000000..7b519dd
--- /dev/null
+++ b/input/processor/aidl/default/main.cpp
@@ -0,0 +1,36 @@
+/*
+ * 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.
+ */
+
+#include "inputprocessor-impl/InputProcessor.h"
+
+#include <android-base/logging.h>
+#include <android/binder_manager.h>
+#include <android/binder_process.h>
+
+using ::aidl::android::hardware::input::processor::IInputProcessor;
+using ::aidl::android::hardware::input::processor::InputProcessor;
+
+int main() {
+    ABinderProcess_setThreadPoolMaxThreadCount(0);
+
+    auto processor = ndk::SharedRefBase::make<InputProcessor>();
+    const std::string name = std::string() + InputProcessor::descriptor + "/default";
+    binder_status_t status = AServiceManager_addService(processor->asBinder().get(), name.c_str());
+    CHECK_EQ(status, STATUS_OK);
+
+    ABinderProcess_joinThreadPool();
+    return EXIT_FAILURE;  // should not reach
+}
\ No newline at end of file
diff --git a/radio/aidl/aidl_api/android.hardware.radio.data/current/android/hardware/radio/data/DataProfileInfo.aidl b/radio/aidl/aidl_api/android.hardware.radio.data/current/android/hardware/radio/data/DataProfileInfo.aidl
index c8efea0..02bbf21 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.data/current/android/hardware/radio/data/DataProfileInfo.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.data/current/android/hardware/radio/data/DataProfileInfo.aidl
@@ -53,7 +53,7 @@
   boolean preferred;
   boolean persistent;
   boolean alwaysOn;
-  @nullable android.hardware.radio.data.TrafficDescriptor trafficDescriptor;
+  android.hardware.radio.data.TrafficDescriptor trafficDescriptor;
   const int ID_DEFAULT = 0;
   const int ID_TETHERED = 1;
   const int ID_IMS = 2;
@@ -62,6 +62,6 @@
   const int ID_OEM_BASE = 1000;
   const int ID_INVALID = -1;
   const int TYPE_COMMON = 0;
-  const int TYPE_THREE_GPP = 1;
-  const int TYPE_THREE_GPP2 = 2;
+  const int TYPE_3GPP = 1;
+  const int TYPE_3GPP2 = 2;
 }
diff --git a/radio/aidl/aidl_api/android.hardware.radio.data/current/android/hardware/radio/data/IRadioData.aidl b/radio/aidl/aidl_api/android.hardware.radio.data/current/android/hardware/radio/data/IRadioData.aidl
index dc6092a..7b572f1 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.data/current/android/hardware/radio/data/IRadioData.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.data/current/android/hardware/radio/data/IRadioData.aidl
@@ -44,7 +44,7 @@
   oneway void setDataAllowed(in int serial, in boolean allow);
   oneway void setDataProfile(in int serial, in android.hardware.radio.data.DataProfileInfo[] profiles);
   oneway void setDataThrottling(in int serial, in android.hardware.radio.data.DataThrottlingAction dataThrottlingAction, in long completionDurationMillis);
-  oneway void setInitialAttachApn(in int serial, in android.hardware.radio.data.DataProfileInfo dataProfileInfo);
+  oneway void setInitialAttachApn(in int serial, in @nullable android.hardware.radio.data.DataProfileInfo dataProfileInfo);
   oneway void setResponseFunctions(in android.hardware.radio.data.IRadioDataResponse radioDataResponse, in android.hardware.radio.data.IRadioDataIndication radioDataIndication);
   oneway void setupDataCall(in int serial, in android.hardware.radio.AccessNetwork accessNetwork, in android.hardware.radio.data.DataProfileInfo dataProfileInfo, in boolean roamingAllowed, in android.hardware.radio.data.DataRequestReason reason, in android.hardware.radio.data.LinkAddress[] addresses, in String[] dnses, in int pduSessionId, in @nullable android.hardware.radio.data.SliceInfo sliceInfo, in boolean matchAllRuleAllowed);
   oneway void startHandover(in int serial, in int callId);
diff --git a/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/IRadioMessaging.aidl b/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/IRadioMessaging.aidl
index b0fc349..dfec59a 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/IRadioMessaging.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/IRadioMessaging.aidl
@@ -37,7 +37,6 @@
   oneway void acknowledgeIncomingGsmSmsWithPdu(in int serial, in boolean success, in String ackPdu);
   oneway void acknowledgeLastIncomingCdmaSms(in int serial, in android.hardware.radio.messaging.CdmaSmsAck smsAck);
   oneway void acknowledgeLastIncomingGsmSms(in int serial, in boolean success, in android.hardware.radio.messaging.SmsAcknowledgeFailCause cause);
-  oneway void cancelPendingUssd(in int serial);
   oneway void deleteSmsOnRuim(in int serial, in int index);
   oneway void deleteSmsOnSim(in int serial, in int index);
   oneway void getCdmaBroadcastConfig(in int serial);
@@ -50,7 +49,6 @@
   oneway void sendImsSms(in int serial, in android.hardware.radio.messaging.ImsSmsMessage message);
   oneway void sendSms(in int serial, in android.hardware.radio.messaging.GsmSmsMessage message);
   oneway void sendSmsExpectMore(in int serial, in android.hardware.radio.messaging.GsmSmsMessage message);
-  oneway void sendUssd(in int serial, in String ussd);
   oneway void setCdmaBroadcastActivation(in int serial, in boolean activate);
   oneway void setCdmaBroadcastConfig(in int serial, in android.hardware.radio.messaging.CdmaBroadcastSmsConfigInfo[] configInfo);
   oneway void setGsmBroadcastActivation(in int serial, in boolean activate);
diff --git a/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/IRadioMessagingIndication.aidl b/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/IRadioMessagingIndication.aidl
index 89a0f3b..8f7824f 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/IRadioMessagingIndication.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/IRadioMessagingIndication.aidl
@@ -40,6 +40,5 @@
   oneway void newSms(in android.hardware.radio.RadioIndicationType type, in byte[] pdu);
   oneway void newSmsOnSim(in android.hardware.radio.RadioIndicationType type, in int recordNumber);
   oneway void newSmsStatusReport(in android.hardware.radio.RadioIndicationType type, in byte[] pdu);
-  oneway void onUssd(in android.hardware.radio.RadioIndicationType type, in android.hardware.radio.messaging.UssdModeType modeType, in String msg);
   oneway void simSmsStorageFull(in android.hardware.radio.RadioIndicationType type);
 }
diff --git a/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/IRadioMessagingResponse.aidl b/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/IRadioMessagingResponse.aidl
index 156f24b..c3af7a6 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/IRadioMessagingResponse.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/IRadioMessagingResponse.aidl
@@ -38,7 +38,6 @@
   oneway void acknowledgeLastIncomingCdmaSmsResponse(in android.hardware.radio.RadioResponseInfo info);
   oneway void acknowledgeLastIncomingGsmSmsResponse(in android.hardware.radio.RadioResponseInfo info);
   oneway void acknowledgeRequest(in int serial);
-  oneway void cancelPendingUssdResponse(in android.hardware.radio.RadioResponseInfo info);
   oneway void deleteSmsOnRuimResponse(in android.hardware.radio.RadioResponseInfo info);
   oneway void deleteSmsOnSimResponse(in android.hardware.radio.RadioResponseInfo info);
   oneway void getCdmaBroadcastConfigResponse(in android.hardware.radio.RadioResponseInfo info, in android.hardware.radio.messaging.CdmaBroadcastSmsConfigInfo[] configs);
@@ -50,7 +49,6 @@
   oneway void sendImsSmsResponse(in android.hardware.radio.RadioResponseInfo info, in android.hardware.radio.messaging.SendSmsResult sms);
   oneway void sendSmsExpectMoreResponse(in android.hardware.radio.RadioResponseInfo info, in android.hardware.radio.messaging.SendSmsResult sms);
   oneway void sendSmsResponse(in android.hardware.radio.RadioResponseInfo info, in android.hardware.radio.messaging.SendSmsResult sms);
-  oneway void sendUssdResponse(in android.hardware.radio.RadioResponseInfo info);
   oneway void setCdmaBroadcastActivationResponse(in android.hardware.radio.RadioResponseInfo info);
   oneway void setCdmaBroadcastConfigResponse(in android.hardware.radio.RadioResponseInfo info);
   oneway void setGsmBroadcastActivationResponse(in android.hardware.radio.RadioResponseInfo info);
diff --git a/radio/aidl/aidl_api/android.hardware.radio.sim/current/android/hardware/radio/sim/CarrierRestrictions.aidl b/radio/aidl/aidl_api/android.hardware.radio.sim/current/android/hardware/radio/sim/CarrierRestrictions.aidl
index ef9c779..85cf86e 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.sim/current/android/hardware/radio/sim/CarrierRestrictions.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.sim/current/android/hardware/radio/sim/CarrierRestrictions.aidl
@@ -36,6 +36,5 @@
 parcelable CarrierRestrictions {
   android.hardware.radio.sim.Carrier[] allowedCarriers;
   android.hardware.radio.sim.Carrier[] excludedCarriers;
-  boolean priority;
   boolean allowedCarriersPrioritized;
 }
diff --git a/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/IRadioVoice.aidl b/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/IRadioVoice.aidl
index 34d155a..603b1d6 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/IRadioVoice.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/IRadioVoice.aidl
@@ -35,6 +35,7 @@
 @VintfStability
 interface IRadioVoice {
   oneway void acceptCall(in int serial);
+  oneway void cancelPendingUssd(in int serial);
   oneway void conference(in int serial);
   oneway void dial(in int serial, in android.hardware.radio.voice.Dial dialInfo);
   oneway void emergencyDial(in int serial, in android.hardware.radio.voice.Dial dialInfo, in int categories, in String[] urns, in android.hardware.radio.voice.EmergencyCallRouting routing, in boolean hasKnownUserIntentEmergency, in boolean isTesting);
@@ -59,6 +60,7 @@
   oneway void sendBurstDtmf(in int serial, in String dtmf, in int on, in int off);
   oneway void sendCdmaFeatureCode(in int serial, in String featureCode);
   oneway void sendDtmf(in int serial, in String s);
+  oneway void sendUssd(in int serial, in String ussd);
   oneway void separateConnection(in int serial, in int gsmIndex);
   oneway void setCallForward(in int serial, in android.hardware.radio.voice.CallForwardInfo callInfo);
   oneway void setCallWaiting(in int serial, in boolean enable, in int serviceClass);
diff --git a/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/IRadioVoiceIndication.aidl b/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/IRadioVoiceIndication.aidl
index af3417d..189ed43 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/IRadioVoiceIndication.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/IRadioVoiceIndication.aidl
@@ -44,6 +44,7 @@
   oneway void exitEmergencyCallbackMode(in android.hardware.radio.RadioIndicationType type);
   oneway void indicateRingbackTone(in android.hardware.radio.RadioIndicationType type, in boolean start);
   oneway void onSupplementaryServiceIndication(in android.hardware.radio.RadioIndicationType type, in android.hardware.radio.voice.StkCcUnsolSsResult ss);
+  oneway void onUssd(in android.hardware.radio.RadioIndicationType type, in android.hardware.radio.voice.UssdModeType modeType, in String msg);
   oneway void resendIncallMute(in android.hardware.radio.RadioIndicationType type);
   oneway void srvccStateNotify(in android.hardware.radio.RadioIndicationType type, in android.hardware.radio.voice.SrvccState state);
   oneway void stkCallControlAlphaNotify(in android.hardware.radio.RadioIndicationType type, in String alpha);
diff --git a/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/IRadioVoiceResponse.aidl b/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/IRadioVoiceResponse.aidl
index a3b5e58..7acc044 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/IRadioVoiceResponse.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/IRadioVoiceResponse.aidl
@@ -36,6 +36,7 @@
 interface IRadioVoiceResponse {
   oneway void acceptCallResponse(in android.hardware.radio.RadioResponseInfo info);
   oneway void acknowledgeRequest(in int serial);
+  oneway void cancelPendingUssdResponse(in android.hardware.radio.RadioResponseInfo info);
   oneway void conferenceResponse(in android.hardware.radio.RadioResponseInfo info);
   oneway void dialResponse(in android.hardware.radio.RadioResponseInfo info);
   oneway void emergencyDialResponse(in android.hardware.radio.RadioResponseInfo info);
@@ -59,6 +60,7 @@
   oneway void sendBurstDtmfResponse(in android.hardware.radio.RadioResponseInfo info);
   oneway void sendCdmaFeatureCodeResponse(in android.hardware.radio.RadioResponseInfo info);
   oneway void sendDtmfResponse(in android.hardware.radio.RadioResponseInfo info);
+  oneway void sendUssdResponse(in android.hardware.radio.RadioResponseInfo info);
   oneway void separateConnectionResponse(in android.hardware.radio.RadioResponseInfo info);
   oneway void setCallForwardResponse(in android.hardware.radio.RadioResponseInfo info);
   oneway void setCallWaitingResponse(in android.hardware.radio.RadioResponseInfo info);
diff --git a/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/UssdModeType.aidl b/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/UssdModeType.aidl
similarity index 97%
rename from radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/UssdModeType.aidl
rename to radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/UssdModeType.aidl
index 5395b11..9a9d723 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.messaging/current/android/hardware/radio/messaging/UssdModeType.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.voice/current/android/hardware/radio/voice/UssdModeType.aidl
@@ -31,7 +31,7 @@
 // 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.radio.messaging;
+package android.hardware.radio.voice;
 @Backing(type="int") @VintfStability
 enum UssdModeType {
   NOTIFY = 0,
diff --git a/radio/aidl/android/hardware/radio/data/DataProfileInfo.aidl b/radio/aidl/android/hardware/radio/data/DataProfileInfo.aidl
index 7360202..123b3ed 100644
--- a/radio/aidl/android/hardware/radio/data/DataProfileInfo.aidl
+++ b/radio/aidl/android/hardware/radio/data/DataProfileInfo.aidl
@@ -16,9 +16,7 @@
 
 package android.hardware.radio.data;
 
-import android.hardware.radio.RadioAccessFamily;
 import android.hardware.radio.data.ApnAuthType;
-import android.hardware.radio.data.ApnTypes;
 import android.hardware.radio.data.PdpProtocolType;
 import android.hardware.radio.data.TrafficDescriptor;
 
@@ -36,8 +34,8 @@
     const int ID_INVALID = 0xFFFFFFFF;
 
     const int TYPE_COMMON = 0;
-    const int TYPE_THREE_GPP = 1;
-    const int TYPE_THREE_GPP2 = 2;
+    const int TYPE_3GPP = 1;
+    const int TYPE_3GPP2 = 2;
 
     /**
      * ID of the data profile.
@@ -130,5 +128,5 @@
      * it does not specify the end point to be used for the data call. The end point is specified by
      * apn; apn must be used as the end point if one is not specified through URSP rules.
      */
-    @nullable TrafficDescriptor trafficDescriptor;
+    TrafficDescriptor trafficDescriptor;
 }
diff --git a/radio/aidl/android/hardware/radio/data/IRadioData.aidl b/radio/aidl/android/hardware/radio/data/IRadioData.aidl
index 54a045c..e1ba568 100644
--- a/radio/aidl/android/hardware/radio/data/IRadioData.aidl
+++ b/radio/aidl/android/hardware/radio/data/IRadioData.aidl
@@ -159,14 +159,15 @@
             in long completionDurationMillis);
 
     /**
-     * Set an APN to initial attach network.
+     * Set an APN to initial attach network or clear the existing initial attach APN.
      *
      * @param serial Serial number of request.
-     * @param dataProfileInfo data profile containing APN settings
+     * @param dataProfileInfo Data profile containing APN settings or null to clear the existing
+     *        initial attach APN.
      *
      * Response function is IRadioDataResponse.setInitialAttachApnResponse()
      */
-    void setInitialAttachApn(in int serial, in DataProfileInfo dataProfileInfo);
+    void setInitialAttachApn(in int serial, in @nullable DataProfileInfo dataProfileInfo);
 
     /**
      * Set response functions for data radio requests and indications.
diff --git a/radio/aidl/android/hardware/radio/messaging/IRadioMessaging.aidl b/radio/aidl/android/hardware/radio/messaging/IRadioMessaging.aidl
index 1dbaed3..8bd84a3 100644
--- a/radio/aidl/android/hardware/radio/messaging/IRadioMessaging.aidl
+++ b/radio/aidl/android/hardware/radio/messaging/IRadioMessaging.aidl
@@ -79,15 +79,6 @@
             in int serial, in boolean success, in SmsAcknowledgeFailCause cause);
 
     /**
-     * Cancel the current USSD session if one exists.
-     *
-     * @param serial Serial number of request.
-     *
-     * Response function is IRadioMessagingResponse.cancelPendingUssdResponse()
-     */
-    void cancelPendingUssd(in int serial);
-
-    /**
      * Deletes a CDMA SMS message from RUIM memory.
      *
      * @param serial Serial number of request.
@@ -212,23 +203,6 @@
     void sendSmsExpectMore(in int serial, in GsmSmsMessage message);
 
     /**
-     * Send a USSD message. If a USSD session already exists, the message must be sent in the
-     * context of that session. Otherwise, a new session must be created. The network reply must be
-     * reported via unsolOnUssd.
-     *
-     * Only one USSD session must exist at a time, and the session is assumed to exist until:
-     * a) The android system invokes cancelUssd()
-     * b) The implementation sends a unsolOnUssd() with a type code of
-     *    "0" (USSD-Notify/no further action) or "2" (session terminated)
-     *
-     * @param serial Serial number of request.
-     * @param ussd string containing the USSD request in UTF-8 format
-     *
-     * Response function is IRadioMessagingResponse.sendUssdResponse()
-     */
-    void sendUssd(in int serial, in String ussd);
-
-    /**
      * Enable or disable the reception of CDMA Cell Broadcast SMS
      *
      * @param serial Serial number of request.
diff --git a/radio/aidl/android/hardware/radio/messaging/IRadioMessagingIndication.aidl b/radio/aidl/android/hardware/radio/messaging/IRadioMessagingIndication.aidl
index 4b40bfb..8834cd9 100644
--- a/radio/aidl/android/hardware/radio/messaging/IRadioMessagingIndication.aidl
+++ b/radio/aidl/android/hardware/radio/messaging/IRadioMessagingIndication.aidl
@@ -18,7 +18,6 @@
 
 import android.hardware.radio.RadioIndicationType;
 import android.hardware.radio.messaging.CdmaSmsMessage;
-import android.hardware.radio.messaging.UssdModeType;
 
 /**
  * Interface declaring unsolicited radio indications for messaging APIs.
@@ -86,16 +85,6 @@
     void newSmsStatusReport(in RadioIndicationType type, in byte[] pdu);
 
     /**
-     * Indicates when a new USSD message is received. The USSD session is assumed to persist if the
-     * type code is REQUEST, otherwise the current session (if any) is assumed to have terminated.
-     *
-     * @param type Type of radio indication
-     * @param modeType USSD type code
-     * @param msg Message string in UTF-8, if applicable
-     */
-    void onUssd(in RadioIndicationType type, in UssdModeType modeType, in String msg);
-
-    /**
      * Indicates that SMS storage on the SIM is full. Sent when the network attempts to deliver a
      * new SMS message. Messages cannot be saved on the SIM until space is freed. In particular,
      * incoming Class 2 messages must not be stored.
diff --git a/radio/aidl/android/hardware/radio/messaging/IRadioMessagingResponse.aidl b/radio/aidl/android/hardware/radio/messaging/IRadioMessagingResponse.aidl
index 75fa390..492755f 100644
--- a/radio/aidl/android/hardware/radio/messaging/IRadioMessagingResponse.aidl
+++ b/radio/aidl/android/hardware/radio/messaging/IRadioMessagingResponse.aidl
@@ -92,27 +92,6 @@
      * Valid errors returned:
      *   RadioError:NONE
      *   RadioError:RADIO_NOT_AVAILABLE
-     *   RadioError:SIM_BUSY
-     *   RadioError:OPERATION_NOT_ALLOWED
-     *   RadioError:MODEM_ERR
-     *   RadioError:INTERNAL_ERR
-     *   RadioError:NO_MEMORY
-     *   RadioError:INVALID_STATE
-     *   RadioError:INVALID_ARGUMENTS
-     *   RadioError:SYSTEM_ERR
-     *   RadioError:REQUEST_NOT_SUPPORTED
-     *   RadioError:INVALID_MODEM_STATE
-     *   RadioError:NO_RESOURCES
-     *   RadioError:CANCELLED
-     */
-    void cancelPendingUssdResponse(in RadioResponseInfo info);
-
-    /**
-     * @param info Response info struct containing response type, serial no. and error
-     *
-     * Valid errors returned:
-     *   RadioError:NONE
-     *   RadioError:RADIO_NOT_AVAILABLE
      *   RadioError:INVALID_ARGUMENTS
      *   RadioError:NO_MEMORY
      *   RadioError:SYSTEM_ERR
@@ -407,32 +386,6 @@
      * Valid errors returned:
      *   RadioError:NONE
      *   RadioError:RADIO_NOT_AVAILABLE
-     *   RadioError:FDN_CHECK_FAILURE
-     *   RadioError:USSD_MODIFIED_TO_DIAL
-     *   RadioError:USSD_MODIFIED_TO_SS
-     *   RadioError:USSD_MODIFIED_TO_USSD
-     *   RadioError:SIM_BUSY
-     *   RadioError:OPERATION_NOT_ALLOWED
-     *   RadioError:INVALID_ARGUMENTS
-     *   RadioError:NO_MEMORY
-     *   RadioError:MODEM_ERR
-     *   RadioError:INTERNAL_ERR
-     *   RadioError:ABORTED
-     *   RadioError:SYSTEM_ERR
-     *   RadioError:INVALID_STATE
-     *   RadioError:REQUEST_NOT_SUPPORTED
-     *   RadioError:INVALID_MODEM_STATE
-     *   RadioError:NO_RESOURCES
-     *   RadioError:CANCELLED
-     */
-    void sendUssdResponse(in RadioResponseInfo info);
-
-    /**
-     * @param info Response info struct containing response type, serial no. and error
-     *
-     * Valid errors returned:
-     *   RadioError:NONE
-     *   RadioError:RADIO_NOT_AVAILABLE
      *   RadioError:INVALID_ARGUMENTS
      *   RadioError:INVALID_STATE
      *   RadioError:NO_MEMORY
diff --git a/radio/aidl/android/hardware/radio/modem/RadioCapability.aidl b/radio/aidl/android/hardware/radio/modem/RadioCapability.aidl
index 9bd5f21..96b9d0d 100644
--- a/radio/aidl/android/hardware/radio/modem/RadioCapability.aidl
+++ b/radio/aidl/android/hardware/radio/modem/RadioCapability.aidl
@@ -16,8 +16,6 @@
 
 package android.hardware.radio.modem;
 
-import android.hardware.radio.RadioAccessFamily;
-
 @VintfStability
 parcelable RadioCapability {
     /**
diff --git a/radio/aidl/android/hardware/radio/network/IRadioNetwork.aidl b/radio/aidl/android/hardware/radio/network/IRadioNetwork.aidl
index 7a22a9a..cce52ff 100644
--- a/radio/aidl/android/hardware/radio/network/IRadioNetwork.aidl
+++ b/radio/aidl/android/hardware/radio/network/IRadioNetwork.aidl
@@ -17,7 +17,6 @@
 package android.hardware.radio.network;
 
 import android.hardware.radio.AccessNetwork;
-import android.hardware.radio.RadioAccessFamily;
 import android.hardware.radio.network.CdmaRoamingType;
 import android.hardware.radio.network.IRadioNetworkIndication;
 import android.hardware.radio.network.IRadioNetworkResponse;
diff --git a/radio/aidl/android/hardware/radio/network/IRadioNetworkIndication.aidl b/radio/aidl/android/hardware/radio/network/IRadioNetworkIndication.aidl
index 6863ac3..f471433 100644
--- a/radio/aidl/android/hardware/radio/network/IRadioNetworkIndication.aidl
+++ b/radio/aidl/android/hardware/radio/network/IRadioNetworkIndication.aidl
@@ -21,7 +21,6 @@
 import android.hardware.radio.network.BarringInfo;
 import android.hardware.radio.network.CellIdentity;
 import android.hardware.radio.network.CellInfo;
-import android.hardware.radio.network.Domain;
 import android.hardware.radio.network.LinkCapacityEstimate;
 import android.hardware.radio.network.NetworkScanResult;
 import android.hardware.radio.network.PhoneRestrictedState;
diff --git a/radio/aidl/android/hardware/radio/network/IRadioNetworkResponse.aidl b/radio/aidl/android/hardware/radio/network/IRadioNetworkResponse.aidl
index e650321..dcf0004 100644
--- a/radio/aidl/android/hardware/radio/network/IRadioNetworkResponse.aidl
+++ b/radio/aidl/android/hardware/radio/network/IRadioNetworkResponse.aidl
@@ -16,7 +16,6 @@
 
 package android.hardware.radio.network;
 
-import android.hardware.radio.RadioAccessFamily;
 import android.hardware.radio.RadioResponseInfo;
 import android.hardware.radio.RadioTechnology;
 import android.hardware.radio.RadioTechnologyFamily;
@@ -24,8 +23,6 @@
 import android.hardware.radio.network.CdmaRoamingType;
 import android.hardware.radio.network.CellIdentity;
 import android.hardware.radio.network.CellInfo;
-import android.hardware.radio.network.LceDataInfo;
-import android.hardware.radio.network.NeighboringCell;
 import android.hardware.radio.network.OperatorInfo;
 import android.hardware.radio.network.RadioAccessSpecifier;
 import android.hardware.radio.network.RadioBandMode;
diff --git a/radio/aidl/android/hardware/radio/network/NeighboringCell.aidl b/radio/aidl/android/hardware/radio/network/NeighboringCell.aidl
deleted file mode 100644
index 270bdee..0000000
--- a/radio/aidl/android/hardware/radio/network/NeighboringCell.aidl
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
- * Copyright (C) 2021 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.radio.network;
-
-@VintfStability
-parcelable NeighboringCell {
-    /**
-     * Combination of LAC and cell ID in 32 bits in GSM. Upper 16 bits is LAC and lower 16 bits is
-     * CID (as described in TS 27.005).
-     */
-    String cid;
-    /**
-     * Received RSSI in GSM, level index of CPICH Received Signal Code Power in UMTS
-     */
-    int rssi;
-}
diff --git a/radio/aidl/android/hardware/radio/sim/CarrierRestrictions.aidl b/radio/aidl/android/hardware/radio/sim/CarrierRestrictions.aidl
index 12df138..ef38fdc 100644
--- a/radio/aidl/android/hardware/radio/sim/CarrierRestrictions.aidl
+++ b/radio/aidl/android/hardware/radio/sim/CarrierRestrictions.aidl
@@ -31,11 +31,6 @@
      */
     Carrier[] excludedCarriers;
     /**
-     * Whether this is a carrier restriction with priority or not.
-     * If this is false, allowedCarriersPrioritized is not applicable.
-     */
-    boolean priority;
-    /**
      * True means that only carriers included in the allowed list and not in the excluded list
      * are permitted. Eg. allowedCarriers match mcc/mnc, excludedCarriers has same mcc/mnc and
      * gid1 is ABCD. It means except the carrier whose gid1 is ABCD, all carriers with the
diff --git a/radio/aidl/android/hardware/radio/voice/EmergencyNumber.aidl b/radio/aidl/android/hardware/radio/voice/EmergencyNumber.aidl
index ddc5d76..9fed78e 100644
--- a/radio/aidl/android/hardware/radio/voice/EmergencyNumber.aidl
+++ b/radio/aidl/android/hardware/radio/voice/EmergencyNumber.aidl
@@ -16,8 +16,6 @@
 
 package android.hardware.radio.voice;
 
-import android.hardware.radio.voice.EmergencyServiceCategory;
-
 /**
  * Emergency number contains information of number, one or more service category(s), zero or more
  * emergency uniform resource names, mobile country code (mcc), mobile network country (mnc) and
diff --git a/radio/aidl/android/hardware/radio/voice/IRadioVoice.aidl b/radio/aidl/android/hardware/radio/voice/IRadioVoice.aidl
index b25e63d..c05d237 100644
--- a/radio/aidl/android/hardware/radio/voice/IRadioVoice.aidl
+++ b/radio/aidl/android/hardware/radio/voice/IRadioVoice.aidl
@@ -19,7 +19,6 @@
 import android.hardware.radio.voice.CallForwardInfo;
 import android.hardware.radio.voice.Dial;
 import android.hardware.radio.voice.EmergencyCallRouting;
-import android.hardware.radio.voice.EmergencyServiceCategory;
 import android.hardware.radio.voice.IRadioVoiceIndication;
 import android.hardware.radio.voice.IRadioVoiceResponse;
 import android.hardware.radio.voice.TtyMode;
@@ -45,6 +44,15 @@
     void acceptCall(in int serial);
 
     /**
+     * Cancel the current USSD session if one exists.
+     *
+     * @param serial Serial number of request.
+     *
+     * Response function is IRadioVoiceResponse.cancelPendingUssdResponse()
+     */
+    void cancelPendingUssd(in int serial);
+
+    /**
      * Conference holding and active (like AT+CHLD=3)
      *
      * @param serial Serial number of request.
@@ -325,6 +333,23 @@
     void sendDtmf(in int serial, in String s);
 
     /**
+     * Send a USSD message. If a USSD session already exists, the message must be sent in the
+     * context of that session. Otherwise, a new session must be created. The network reply must be
+     * reported via unsolOnUssd.
+     *
+     * Only one USSD session must exist at a time, and the session is assumed to exist until:
+     * a) The android system invokes cancelUssd()
+     * b) The implementation sends a unsolOnUssd() with a type code of
+     *    "0" (USSD-Notify/no further action) or "2" (session terminated)
+     *
+     * @param serial Serial number of request.
+     * @param ussd string containing the USSD request in UTF-8 format
+     *
+     * Response function is IRadioVoiceResponse.sendUssdResponse()
+     */
+    void sendUssd(in int serial, in String ussd);
+
+    /**
      * Separate a party from a multiparty call placing the multiparty call (less the specified
      * party) on hold and leaving the specified party as the only other member of the current
      * (active) call. Like AT+CHLD=2x.
diff --git a/radio/aidl/android/hardware/radio/voice/IRadioVoiceIndication.aidl b/radio/aidl/android/hardware/radio/voice/IRadioVoiceIndication.aidl
index 25e87b3..437fef6 100644
--- a/radio/aidl/android/hardware/radio/voice/IRadioVoiceIndication.aidl
+++ b/radio/aidl/android/hardware/radio/voice/IRadioVoiceIndication.aidl
@@ -24,6 +24,7 @@
 import android.hardware.radio.voice.EmergencyNumber;
 import android.hardware.radio.voice.SrvccState;
 import android.hardware.radio.voice.StkCcUnsolSsResult;
+import android.hardware.radio.voice.UssdModeType;
 
 /**
  * Interface declaring unsolicited radio indications for voice APIs.
@@ -138,6 +139,16 @@
     void onSupplementaryServiceIndication(in RadioIndicationType type, in StkCcUnsolSsResult ss);
 
     /**
+     * Indicates when a new USSD message is received. The USSD session is assumed to persist if the
+     * type code is REQUEST, otherwise the current session (if any) is assumed to have terminated.
+     *
+     * @param type Type of radio indication
+     * @param modeType USSD type code
+     * @param msg Message string in UTF-8, if applicable
+     */
+    void onUssd(in RadioIndicationType type, in UssdModeType modeType, in String msg);
+
+    /**
      * Indicates that framework/application must reset the uplink mute state.
      *
      * @param type Type of radio indication
diff --git a/radio/aidl/android/hardware/radio/voice/IRadioVoiceResponse.aidl b/radio/aidl/android/hardware/radio/voice/IRadioVoiceResponse.aidl
index d126fc1..cf1b953 100644
--- a/radio/aidl/android/hardware/radio/voice/IRadioVoiceResponse.aidl
+++ b/radio/aidl/android/hardware/radio/voice/IRadioVoiceResponse.aidl
@@ -62,6 +62,27 @@
      *
      * Valid errors returned:
      *   RadioError:NONE
+     *   RadioError:RADIO_NOT_AVAILABLE
+     *   RadioError:SIM_BUSY
+     *   RadioError:OPERATION_NOT_ALLOWED
+     *   RadioError:MODEM_ERR
+     *   RadioError:INTERNAL_ERR
+     *   RadioError:NO_MEMORY
+     *   RadioError:INVALID_STATE
+     *   RadioError:INVALID_ARGUMENTS
+     *   RadioError:SYSTEM_ERR
+     *   RadioError:REQUEST_NOT_SUPPORTED
+     *   RadioError:INVALID_MODEM_STATE
+     *   RadioError:NO_RESOURCES
+     *   RadioError:CANCELLED
+     */
+    void cancelPendingUssdResponse(in RadioResponseInfo info);
+
+    /**
+     * @param info Response info struct containing response type, serial no. and error
+     *
+     * Valid errors returned:
+     *   RadioError:NONE
      *   RadioError:RADIO_NOT_AVAILABLE (radio resetting)
      *   RadioError:NO_MEMORY
      *   RadioError:MODEM_ERR
@@ -569,6 +590,32 @@
      * Valid errors returned:
      *   RadioError:NONE
      *   RadioError:RADIO_NOT_AVAILABLE
+     *   RadioError:FDN_CHECK_FAILURE
+     *   RadioError:USSD_MODIFIED_TO_DIAL
+     *   RadioError:USSD_MODIFIED_TO_SS
+     *   RadioError:USSD_MODIFIED_TO_USSD
+     *   RadioError:SIM_BUSY
+     *   RadioError:OPERATION_NOT_ALLOWED
+     *   RadioError:INVALID_ARGUMENTS
+     *   RadioError:NO_MEMORY
+     *   RadioError:MODEM_ERR
+     *   RadioError:INTERNAL_ERR
+     *   RadioError:ABORTED
+     *   RadioError:SYSTEM_ERR
+     *   RadioError:INVALID_STATE
+     *   RadioError:REQUEST_NOT_SUPPORTED
+     *   RadioError:INVALID_MODEM_STATE
+     *   RadioError:NO_RESOURCES
+     *   RadioError:CANCELLED
+     */
+    void sendUssdResponse(in RadioResponseInfo info);
+
+    /**
+     * @param info Response info struct containing response type, serial no. and error
+     *
+     * Valid errors returned:
+     *   RadioError:NONE
+     *   RadioError:RADIO_NOT_AVAILABLE
      *   RadioError:INVALID_ARGUMENTS
      *   RadioError:INVALID_STATE
      *   RadioError:NO_RESOURCES
diff --git a/radio/aidl/android/hardware/radio/messaging/UssdModeType.aidl b/radio/aidl/android/hardware/radio/voice/UssdModeType.aidl
similarity index 95%
rename from radio/aidl/android/hardware/radio/messaging/UssdModeType.aidl
rename to radio/aidl/android/hardware/radio/voice/UssdModeType.aidl
index c3c111e..48d1fca 100644
--- a/radio/aidl/android/hardware/radio/messaging/UssdModeType.aidl
+++ b/radio/aidl/android/hardware/radio/voice/UssdModeType.aidl
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package android.hardware.radio.messaging;
+package android.hardware.radio.voice;
 
 @VintfStability
 @Backing(type="int")
diff --git a/radio/aidl/compat/libradiocompat/data/RadioData.cpp b/radio/aidl/compat/libradiocompat/data/RadioData.cpp
index d2f3687..51f5543 100644
--- a/radio/aidl/compat/libradiocompat/data/RadioData.cpp
+++ b/radio/aidl/compat/libradiocompat/data/RadioData.cpp
@@ -122,9 +122,10 @@
     return ok();
 }
 
-ScopedAStatus RadioData::setInitialAttachApn(int32_t serial, const aidl::DataProfileInfo& info) {
+ScopedAStatus RadioData::setInitialAttachApn(int32_t serial,
+                                             const std::optional<aidl::DataProfileInfo>& info) {
     LOG_CALL << serial;
-    mHal1_5->setInitialAttachApn_1_5(serial, toHidl(info));
+    mHal1_5->setInitialAttachApn_1_5(serial, toHidl(info.value()));
     return ok();
 }
 
@@ -136,14 +137,15 @@
     return ok();
 }
 
-ScopedAStatus RadioData::setupDataCall(  //
-        int32_t serial, aidlCommon::AccessNetwork accessNetwork,
-        const aidl::DataProfileInfo& dataProfileInfo, bool roamingAllowed,
-        aidl::DataRequestReason reason, const std::vector<aidl::LinkAddress>& addresses,
-        const std::vector<std::string>& dnses, int32_t pduSessId,
-        const std::optional<aidl::SliceInfo>& sliceInfo, bool matchAllRuleAllowed) {
+ScopedAStatus RadioData::setupDataCall(int32_t serial, aidlCommon::AccessNetwork accessNetwork,
+                                       const aidl::DataProfileInfo& dataProfileInfo,
+                                       bool roamingAllowed, aidl::DataRequestReason reason,
+                                       const std::vector<aidl::LinkAddress>& addresses,
+                                       const std::vector<std::string>& dnses, int32_t pduSessId,
+                                       const std::optional<aidl::SliceInfo>& sliceInfo,
+                                       bool matchAllRuleAllowed) {
     if (mHal1_6) {
-        mHal1_6->setupDataCall_1_6(  //
+        mHal1_6->setupDataCall_1_6(
                 serial, V1_5::AccessNetwork(accessNetwork), toHidl(dataProfileInfo), roamingAllowed,
                 V1_2::DataRequestReason(reason), toHidl(addresses), toHidl(dnses), pduSessId,
                 toHidl<V1_6::OptionalSliceInfo>(sliceInfo),
@@ -151,7 +153,7 @@
                 matchAllRuleAllowed);
         mContext->addDataProfile(dataProfileInfo);
     } else {
-        mHal1_5->setupDataCall_1_5(  //
+        mHal1_5->setupDataCall_1_5(
                 serial, V1_5::AccessNetwork(accessNetwork), toHidl(dataProfileInfo), roamingAllowed,
                 V1_2::DataRequestReason(reason), toHidl(addresses), toHidl(dnses));
     }
diff --git a/radio/aidl/compat/libradiocompat/include/libradiocompat/RadioData.h b/radio/aidl/compat/libradiocompat/include/libradiocompat/RadioData.h
index c617ec2..c2c0de3 100644
--- a/radio/aidl/compat/libradiocompat/include/libradiocompat/RadioData.h
+++ b/radio/aidl/compat/libradiocompat/include/libradiocompat/RadioData.h
@@ -44,7 +44,8 @@
             int64_t completionDurationMillis) override;
     ::ndk::ScopedAStatus setInitialAttachApn(
             int32_t serial,
-            const ::aidl::android::hardware::radio::data::DataProfileInfo& dpInfo) override;
+            const std::optional<::aidl::android::hardware::radio::data::DataProfileInfo>& dpInfo)
+            override;
     ::ndk::ScopedAStatus setResponseFunctions(
             const std::shared_ptr<::aidl::android::hardware::radio::data::IRadioDataResponse>&
                     radioDataResponse,
diff --git a/radio/aidl/compat/libradiocompat/include/libradiocompat/RadioMessaging.h b/radio/aidl/compat/libradiocompat/include/libradiocompat/RadioMessaging.h
index 419e9fb..047f836 100644
--- a/radio/aidl/compat/libradiocompat/include/libradiocompat/RadioMessaging.h
+++ b/radio/aidl/compat/libradiocompat/include/libradiocompat/RadioMessaging.h
@@ -33,7 +33,6 @@
     ::ndk::ScopedAStatus acknowledgeLastIncomingGsmSms(
             int32_t serial, bool success,
             ::aidl::android::hardware::radio::messaging::SmsAcknowledgeFailCause cause) override;
-    ::ndk::ScopedAStatus cancelPendingUssd(int32_t serial) override;
     ::ndk::ScopedAStatus deleteSmsOnRuim(int32_t serial, int32_t index) override;
     ::ndk::ScopedAStatus deleteSmsOnSim(int32_t serial, int32_t index) override;
     ::ndk::ScopedAStatus getCdmaBroadcastConfig(int32_t serial) override;
@@ -56,7 +55,6 @@
     ::ndk::ScopedAStatus sendSmsExpectMore(
             int32_t serial,
             const ::aidl::android::hardware::radio::messaging::GsmSmsMessage& message) override;
-    ::ndk::ScopedAStatus sendUssd(int32_t serial, const std::string& ussd) override;
     ::ndk::ScopedAStatus setCdmaBroadcastActivation(int32_t serial, bool activate) override;
     ::ndk::ScopedAStatus setCdmaBroadcastConfig(
             int32_t serial,
diff --git a/radio/aidl/compat/libradiocompat/include/libradiocompat/RadioVoice.h b/radio/aidl/compat/libradiocompat/include/libradiocompat/RadioVoice.h
index a0e1e82..0f1d5fd 100644
--- a/radio/aidl/compat/libradiocompat/include/libradiocompat/RadioVoice.h
+++ b/radio/aidl/compat/libradiocompat/include/libradiocompat/RadioVoice.h
@@ -26,6 +26,7 @@
     std::shared_ptr<::aidl::android::hardware::radio::voice::IRadioVoiceResponse> respond();
 
     ::ndk::ScopedAStatus acceptCall(int32_t serial) override;
+    ::ndk::ScopedAStatus cancelPendingUssd(int32_t serial) override;
     ::ndk::ScopedAStatus conference(int32_t serial) override;
     ::ndk::ScopedAStatus dial(
             int32_t serial, const ::aidl::android::hardware::radio::voice::Dial& dialInfo) override;
@@ -58,6 +59,7 @@
                                        int32_t off) override;
     ::ndk::ScopedAStatus sendCdmaFeatureCode(int32_t serial, const std::string& fcode) override;
     ::ndk::ScopedAStatus sendDtmf(int32_t serial, const std::string& s) override;
+    ::ndk::ScopedAStatus sendUssd(int32_t serial, const std::string& ussd) override;
     ::ndk::ScopedAStatus separateConnection(int32_t serial, int32_t gsmIndex) override;
     ::ndk::ScopedAStatus setCallForward(
             int32_t serial,
diff --git a/radio/aidl/compat/libradiocompat/messaging/RadioIndication-messaging.cpp b/radio/aidl/compat/libradiocompat/messaging/RadioIndication-messaging.cpp
index e5c33b3..eb87828 100644
--- a/radio/aidl/compat/libradiocompat/messaging/RadioIndication-messaging.cpp
+++ b/radio/aidl/compat/libradiocompat/messaging/RadioIndication-messaging.cpp
@@ -73,13 +73,6 @@
     return {};
 }
 
-Return<void> RadioIndication::onUssd(V1_0::RadioIndicationType type, V1_0::UssdModeType modeType,
-                                     const hidl_string& msg) {
-    LOG_CALL << type;
-    messagingCb()->onUssd(toAidl(type), aidl::UssdModeType(modeType), msg);
-    return {};
-}
-
 Return<void> RadioIndication::simSmsStorageFull(V1_0::RadioIndicationType type) {
     LOG_CALL << type;
     messagingCb()->simSmsStorageFull(toAidl(type));
diff --git a/radio/aidl/compat/libradiocompat/messaging/RadioMessaging.cpp b/radio/aidl/compat/libradiocompat/messaging/RadioMessaging.cpp
index 4d94e17..56d49f1 100644
--- a/radio/aidl/compat/libradiocompat/messaging/RadioMessaging.cpp
+++ b/radio/aidl/compat/libradiocompat/messaging/RadioMessaging.cpp
@@ -54,12 +54,6 @@
     return ok();
 }
 
-ScopedAStatus RadioMessaging::cancelPendingUssd(int32_t serial) {
-    LOG_CALL << serial;
-    mHal1_5->cancelPendingUssd(serial);
-    return ok();
-}
-
 ScopedAStatus RadioMessaging::deleteSmsOnRuim(int32_t serial, int32_t index) {
     LOG_CALL << serial << ' ' << index;
     mHal1_5->deleteSmsOnRuim(serial, index);
@@ -148,12 +142,6 @@
     return ok();
 }
 
-ScopedAStatus RadioMessaging::sendUssd(int32_t serial, const std::string& ussd) {
-    LOG_CALL << serial << ' ' << ussd;
-    mHal1_5->sendUssd(serial, ussd);
-    return ok();
-}
-
 ScopedAStatus RadioMessaging::setCdmaBroadcastActivation(int32_t serial, bool activate) {
     LOG_CALL << serial << ' ' << activate;
     mHal1_5->setCdmaBroadcastActivation(serial, activate);
diff --git a/radio/aidl/compat/libradiocompat/messaging/RadioResponse-messaging.cpp b/radio/aidl/compat/libradiocompat/messaging/RadioResponse-messaging.cpp
index 24ad3d7..7a9273f 100644
--- a/radio/aidl/compat/libradiocompat/messaging/RadioResponse-messaging.cpp
+++ b/radio/aidl/compat/libradiocompat/messaging/RadioResponse-messaging.cpp
@@ -57,12 +57,6 @@
     return {};
 }
 
-Return<void> RadioResponse::cancelPendingUssdResponse(const V1_0::RadioResponseInfo& info) {
-    LOG_CALL << info.serial;
-    messagingCb()->cancelPendingUssdResponse(toAidl(info));
-    return {};
-}
-
 Return<void> RadioResponse::deleteSmsOnRuimResponse(const V1_0::RadioResponseInfo& info) {
     LOG_CALL << info.serial;
     messagingCb()->deleteSmsOnRuimResponse(toAidl(info));
@@ -166,12 +160,6 @@
     return {};
 }
 
-Return<void> RadioResponse::sendUssdResponse(const V1_0::RadioResponseInfo& info) {
-    LOG_CALL << info.serial;
-    messagingCb()->sendUssdResponse(toAidl(info));
-    return {};
-}
-
 Return<void> RadioResponse::setCdmaBroadcastActivationResponse(
         const V1_0::RadioResponseInfo& info) {
     LOG_CALL << info.serial;
diff --git a/radio/aidl/compat/libradiocompat/network/structs.cpp b/radio/aidl/compat/libradiocompat/network/structs.cpp
index 87a021f..c1d9b35 100644
--- a/radio/aidl/compat/libradiocompat/network/structs.cpp
+++ b/radio/aidl/compat/libradiocompat/network/structs.cpp
@@ -650,13 +650,6 @@
     };
 }
 
-aidl::NeighboringCell toAidl(const V1_0::NeighboringCell& cell) {
-    return {
-            .cid = cell.cid,
-            .rssi = cell.rssi,
-    };
-}
-
 aidl::LceDataInfo toAidl(const V1_0::LceDataInfo& info) {
     return {
             .lastHopCapacityKbps = static_cast<int32_t>(info.lastHopCapacityKbps),
diff --git a/radio/aidl/compat/libradiocompat/network/structs.h b/radio/aidl/compat/libradiocompat/network/structs.h
index 854cb38..aaa49a0 100644
--- a/radio/aidl/compat/libradiocompat/network/structs.h
+++ b/radio/aidl/compat/libradiocompat/network/structs.h
@@ -20,7 +20,6 @@
 #include <aidl/android/hardware/radio/network/CellInfo.h>
 #include <aidl/android/hardware/radio/network/LceDataInfo.h>
 #include <aidl/android/hardware/radio/network/LinkCapacityEstimate.h>
-#include <aidl/android/hardware/radio/network/NeighboringCell.h>
 #include <aidl/android/hardware/radio/network/NetworkScanRequest.h>
 #include <aidl/android/hardware/radio/network/NetworkScanResult.h>
 #include <aidl/android/hardware/radio/network/OperatorInfo.h>
@@ -92,8 +91,6 @@
 ::aidl::android::hardware::radio::network::RegStateResult toAidl(const V1_5::RegStateResult& res);
 ::aidl::android::hardware::radio::network::RegStateResult toAidl(const V1_6::RegStateResult& res);
 
-::aidl::android::hardware::radio::network::NeighboringCell toAidl(const V1_0::NeighboringCell& c);
-
 ::aidl::android::hardware::radio::network::LceDataInfo toAidl(const V1_0::LceDataInfo& info);
 
 }  // namespace android::hardware::radio::compat
diff --git a/radio/aidl/compat/libradiocompat/voice/RadioIndication-voice.cpp b/radio/aidl/compat/libradiocompat/voice/RadioIndication-voice.cpp
index 359fce0..23878ed 100644
--- a/radio/aidl/compat/libradiocompat/voice/RadioIndication-voice.cpp
+++ b/radio/aidl/compat/libradiocompat/voice/RadioIndication-voice.cpp
@@ -102,6 +102,13 @@
     return {};
 }
 
+Return<void> RadioIndication::onUssd(V1_0::RadioIndicationType type, V1_0::UssdModeType modeType,
+                                     const hidl_string& msg) {
+    LOG_CALL << type;
+    voiceCb()->onUssd(toAidl(type), aidl::UssdModeType(modeType), msg);
+    return {};
+}
+
 Return<void> RadioIndication::resendIncallMute(V1_0::RadioIndicationType type) {
     LOG_CALL << type;
     voiceCb()->resendIncallMute(toAidl(type));
diff --git a/radio/aidl/compat/libradiocompat/voice/RadioResponse-voice.cpp b/radio/aidl/compat/libradiocompat/voice/RadioResponse-voice.cpp
index d233548..5307e11 100644
--- a/radio/aidl/compat/libradiocompat/voice/RadioResponse-voice.cpp
+++ b/radio/aidl/compat/libradiocompat/voice/RadioResponse-voice.cpp
@@ -42,6 +42,12 @@
     return {};
 }
 
+Return<void> RadioResponse::cancelPendingUssdResponse(const V1_0::RadioResponseInfo& info) {
+    LOG_CALL << info.serial;
+    voiceCb()->cancelPendingUssdResponse(toAidl(info));
+    return {};
+}
+
 Return<void> RadioResponse::conferenceResponse(const V1_0::RadioResponseInfo& info) {
     LOG_CALL << info.serial;
     voiceCb()->conferenceResponse(toAidl(info));
@@ -198,6 +204,12 @@
     return {};
 }
 
+Return<void> RadioResponse::sendUssdResponse(const V1_0::RadioResponseInfo& info) {
+    LOG_CALL << info.serial;
+    voiceCb()->sendUssdResponse(toAidl(info));
+    return {};
+}
+
 Return<void> RadioResponse::separateConnectionResponse(const V1_0::RadioResponseInfo& info) {
     LOG_CALL << info.serial;
     voiceCb()->separateConnectionResponse(toAidl(info));
diff --git a/radio/aidl/compat/libradiocompat/voice/RadioVoice.cpp b/radio/aidl/compat/libradiocompat/voice/RadioVoice.cpp
index 71d1a56..9088f01 100644
--- a/radio/aidl/compat/libradiocompat/voice/RadioVoice.cpp
+++ b/radio/aidl/compat/libradiocompat/voice/RadioVoice.cpp
@@ -40,6 +40,12 @@
     return ok();
 }
 
+ScopedAStatus RadioVoice::cancelPendingUssd(int32_t serial) {
+    LOG_CALL << serial;
+    mHal1_5->cancelPendingUssd(serial);
+    return ok();
+}
+
 ScopedAStatus RadioVoice::conference(int32_t serial) {
     LOG_CALL << serial;
     mHal1_5->conference(serial);
@@ -201,6 +207,12 @@
     return ok();
 }
 
+ScopedAStatus RadioVoice::sendUssd(int32_t serial, const std::string& ussd) {
+    LOG_CALL << serial << ' ' << ussd;
+    mHal1_5->sendUssd(serial, ussd);
+    return ok();
+}
+
 ScopedAStatus RadioVoice::separateConnection(int32_t serial, int32_t gsmIndex) {
     LOG_CALL << serial;
     mHal1_5->separateConnection(serial, gsmIndex);
diff --git a/radio/aidl/vts/OWNERS b/radio/aidl/vts/OWNERS
new file mode 100644
index 0000000..e75c6c8
--- /dev/null
+++ b/radio/aidl/vts/OWNERS
@@ -0,0 +1,3 @@
+# Bug component: 20868
+include ../../1.0/vts/OWNERS
+
diff --git a/radio/aidl/vts/radio_data_test.cpp b/radio/aidl/vts/radio_data_test.cpp
index 616e339..f38a958 100644
--- a/radio/aidl/vts/radio_data_test.cpp
+++ b/radio/aidl/vts/radio_data_test.cpp
@@ -83,7 +83,7 @@
     dataProfileInfo.authType = ApnAuthType::NO_PAP_NO_CHAP;
     dataProfileInfo.user = std::string("username");
     dataProfileInfo.password = std::string("password");
-    dataProfileInfo.type = DataProfileInfo::TYPE_THREE_GPP;
+    dataProfileInfo.type = DataProfileInfo::TYPE_3GPP;
     dataProfileInfo.maxConnsTime = 300;
     dataProfileInfo.maxConns = 20;
     dataProfileInfo.waitTime = 0;
@@ -157,7 +157,7 @@
     dataProfileInfo.authType = ApnAuthType::NO_PAP_NO_CHAP;
     dataProfileInfo.user = std::string("username");
     dataProfileInfo.password = std::string("password");
-    dataProfileInfo.type = DataProfileInfo::TYPE_THREE_GPP;
+    dataProfileInfo.type = DataProfileInfo::TYPE_3GPP;
     dataProfileInfo.maxConnsTime = 300;
     dataProfileInfo.maxConns = 20;
     dataProfileInfo.waitTime = 0;
@@ -326,7 +326,7 @@
     dataProfileInfo.authType = ApnAuthType::NO_PAP_NO_CHAP;
     dataProfileInfo.user = std::string("username");
     dataProfileInfo.password = std::string("password");
-    dataProfileInfo.type = DataProfileInfo::TYPE_THREE_GPP;
+    dataProfileInfo.type = DataProfileInfo::TYPE_3GPP;
     dataProfileInfo.maxConnsTime = 300;
     dataProfileInfo.maxConns = 20;
     dataProfileInfo.waitTime = 0;
@@ -369,7 +369,7 @@
     dataProfileInfo.authType = ApnAuthType::NO_PAP_NO_CHAP;
     dataProfileInfo.user = std::string("username");
     dataProfileInfo.password = std::string("password");
-    dataProfileInfo.type = DataProfileInfo::TYPE_THREE_GPP;
+    dataProfileInfo.type = DataProfileInfo::TYPE_3GPP;
     dataProfileInfo.maxConnsTime = 300;
     dataProfileInfo.maxConns = 20;
     dataProfileInfo.waitTime = 0;
diff --git a/radio/aidl/vts/radio_messaging_indication.cpp b/radio/aidl/vts/radio_messaging_indication.cpp
index c69611f..481239e 100644
--- a/radio/aidl/vts/radio_messaging_indication.cpp
+++ b/radio/aidl/vts/radio_messaging_indication.cpp
@@ -48,12 +48,6 @@
     return ndk::ScopedAStatus::ok();
 }
 
-ndk::ScopedAStatus RadioMessagingIndication::onUssd(RadioIndicationType /*type*/,
-                                                    UssdModeType /*modeType*/,
-                                                    const std::string& /*msg*/) {
-    return ndk::ScopedAStatus::ok();
-}
-
 ndk::ScopedAStatus RadioMessagingIndication::simSmsStorageFull(RadioIndicationType /*type*/) {
     return ndk::ScopedAStatus::ok();
 }
diff --git a/radio/aidl/vts/radio_messaging_response.cpp b/radio/aidl/vts/radio_messaging_response.cpp
index 451a10c..49c0806 100644
--- a/radio/aidl/vts/radio_messaging_response.cpp
+++ b/radio/aidl/vts/radio_messaging_response.cpp
@@ -44,13 +44,6 @@
     return ndk::ScopedAStatus::ok();
 }
 
-ndk::ScopedAStatus RadioMessagingResponse::cancelPendingUssdResponse(
-        const RadioResponseInfo& info) {
-    rspInfo = info;
-    parent_messaging.notify(info.serial);
-    return ndk::ScopedAStatus::ok();
-}
-
 ndk::ScopedAStatus RadioMessagingResponse::deleteSmsOnRuimResponse(const RadioResponseInfo& info) {
     rspInfo = info;
     parent_messaging.notify(info.serial);
@@ -130,12 +123,6 @@
     return ndk::ScopedAStatus::ok();
 }
 
-ndk::ScopedAStatus RadioMessagingResponse::sendUssdResponse(const RadioResponseInfo& info) {
-    rspInfo = info;
-    parent_messaging.notify(info.serial);
-    return ndk::ScopedAStatus::ok();
-}
-
 ndk::ScopedAStatus RadioMessagingResponse::setCdmaBroadcastActivationResponse(
         const RadioResponseInfo& info) {
     rspInfo = info;
diff --git a/radio/aidl/vts/radio_messaging_test.cpp b/radio/aidl/vts/radio_messaging_test.cpp
index 0abdfbc..9f1718b 100644
--- a/radio/aidl/vts/radio_messaging_test.cpp
+++ b/radio/aidl/vts/radio_messaging_test.cpp
@@ -418,7 +418,9 @@
     EXPECT_EQ(serial, radioRsp_messaging->rspInfo.serial);
 
     if (cardStatus.cardState == CardStatus::STATE_ABSENT) {
-        // TODO(shuoq): Will add error check when we know the expected error from QC
+        ASSERT_TRUE(CheckAnyOfErrors(radioRsp_messaging->rspInfo.error,
+                                     {RadioError::INVALID_ARGUMENTS, RadioError::NO_SMS_TO_ACK},
+                                     CHECK_GENERAL_ERROR));
     }
     LOG(DEBUG) << "acknowledgeIncomingGsmSmsWithPdu finished";
 }
@@ -727,44 +729,3 @@
     }
     LOG(DEBUG) << "reportSmsMemoryStatus finished";
 }
-
-/*
- * Test IRadioMessaging.sendUssd() for the response returned.
- */
-TEST_P(RadioMessagingTest, sendUssd) {
-    LOG(DEBUG) << "sendUssd";
-    serial = GetRandomSerialNumber();
-    radio_messaging->sendUssd(serial, std::string("test"));
-    EXPECT_EQ(std::cv_status::no_timeout, wait());
-    EXPECT_EQ(RadioResponseType::SOLICITED, radioRsp_messaging->rspInfo.type);
-    EXPECT_EQ(serial, radioRsp_messaging->rspInfo.serial);
-
-    if (cardStatus.cardState == CardStatus::STATE_ABSENT) {
-        ASSERT_TRUE(CheckAnyOfErrors(
-                radioRsp_messaging->rspInfo.error,
-                {RadioError::INVALID_ARGUMENTS, RadioError::INVALID_STATE, RadioError::MODEM_ERR},
-                CHECK_GENERAL_ERROR));
-    }
-    LOG(DEBUG) << "sendUssd finished";
-}
-
-/*
- * Test IRadioMessaging.cancelPendingUssd() for the response returned.
- */
-TEST_P(RadioMessagingTest, cancelPendingUssd) {
-    LOG(DEBUG) << "cancelPendingUssd";
-    serial = GetRandomSerialNumber();
-
-    radio_messaging->cancelPendingUssd(serial);
-    EXPECT_EQ(std::cv_status::no_timeout, wait());
-    EXPECT_EQ(RadioResponseType::SOLICITED, radioRsp_messaging->rspInfo.type);
-    EXPECT_EQ(serial, radioRsp_messaging->rspInfo.serial);
-
-    if (cardStatus.cardState == CardStatus::STATE_ABSENT) {
-        ASSERT_TRUE(CheckAnyOfErrors(
-                radioRsp_messaging->rspInfo.error,
-                {RadioError::NONE, RadioError::INVALID_STATE, RadioError::MODEM_ERR},
-                CHECK_GENERAL_ERROR));
-    }
-    LOG(DEBUG) << "cancelPendingUssd finished";
-}
diff --git a/radio/aidl/vts/radio_messaging_utils.h b/radio/aidl/vts/radio_messaging_utils.h
index 7bb99cd..7b66192 100644
--- a/radio/aidl/vts/radio_messaging_utils.h
+++ b/radio/aidl/vts/radio_messaging_utils.h
@@ -49,8 +49,6 @@
 
     virtual ndk::ScopedAStatus acknowledgeRequest(int32_t serial) override;
 
-    virtual ndk::ScopedAStatus cancelPendingUssdResponse(const RadioResponseInfo& info) override;
-
     virtual ndk::ScopedAStatus deleteSmsOnRuimResponse(const RadioResponseInfo& info) override;
 
     virtual ndk::ScopedAStatus deleteSmsOnSimResponse(const RadioResponseInfo& info) override;
@@ -84,8 +82,6 @@
     virtual ndk::ScopedAStatus sendSmsResponse(const RadioResponseInfo& info,
                                                const SendSmsResult& sms) override;
 
-    virtual ndk::ScopedAStatus sendUssdResponse(const RadioResponseInfo& info) override;
-
     virtual ndk::ScopedAStatus setCdmaBroadcastActivationResponse(
             const RadioResponseInfo& info) override;
 
@@ -132,9 +128,6 @@
     virtual ndk::ScopedAStatus newSmsStatusReport(RadioIndicationType type,
                                                   const std::vector<uint8_t>& pdu) override;
 
-    virtual ndk::ScopedAStatus onUssd(RadioIndicationType type, UssdModeType modeType,
-                                      const std::string& msg) override;
-
     virtual ndk::ScopedAStatus simSmsStorageFull(RadioIndicationType type) override;
 };
 
diff --git a/radio/aidl/vts/radio_network_test.cpp b/radio/aidl/vts/radio_network_test.cpp
index 1c2d50f..391d63c 100644
--- a/radio/aidl/vts/radio_network_test.cpp
+++ b/radio/aidl/vts/radio_network_test.cpp
@@ -1529,6 +1529,7 @@
     }
     LOG(DEBUG) << "getOperator finished";
 }
+
 /*
  * Test IRadioNetwork.getNetworkSelectionMode() for the response returned.
  */
@@ -1611,29 +1612,6 @@
 }
 
 /*
- * Test IRadioNetwork.getNeighboringCids() for the response returned.
- */
-TEST_P(RadioNetworkTest, getNeighboringCids) {
-    // TODO: add API for getNeighboringCids
-    /**
-    LOG(DEBUG) << "getNeighboringCids";
-    serial = GetRandomSerialNumber();
-
-    radio_network->getNeighboringCids(serial);
-    EXPECT_EQ(std::cv_status::no_timeout, wait());
-    EXPECT_EQ(RadioResponseType::SOLICITED, radioRsp_network->rspInfo.type);
-    EXPECT_EQ(serial, radioRsp_network->rspInfo.serial);
-
-    if (cardStatus.cardState == CardStatus::STATE_ABSENT) {
-        ASSERT_TRUE(CheckAnyOfErrors(radioRsp_network->rspInfo.error,
-                                     {RadioError::NONE, RadioError::SIM_ABSENT},
-                                     CHECK_GENERAL_ERROR));
-    }
-    LOG(DEBUG) << "getNeighboringCids finished";
-    **/
-}
-
-/*
  * Test IRadioNetwork.setLocationUpdates() for the response returned.
  */
 TEST_P(RadioNetworkTest, setLocationUpdates) {
@@ -1718,7 +1696,6 @@
     LOG(DEBUG) << "setCellInfoListRate";
     serial = GetRandomSerialNumber();
 
-    // TODO(sanketpadawe): RIL crashes with value of rate = 10
     radio_network->setCellInfoListRate(serial, 10);
     EXPECT_EQ(std::cv_status::no_timeout, wait());
     EXPECT_EQ(RadioResponseType::SOLICITED, radioRsp_network->rspInfo.type);
diff --git a/radio/aidl/vts/radio_sim_test.cpp b/radio/aidl/vts/radio_sim_test.cpp
index 146e86c..64474c9 100644
--- a/radio/aidl/vts/radio_sim_test.cpp
+++ b/radio/aidl/vts/radio_sim_test.cpp
@@ -387,7 +387,6 @@
     carrierRestrictions.allowedCarriers[0].mnc = std::string("456");
     carrierRestrictions.allowedCarriers[0].matchType = Carrier::MATCH_TYPE_ALL;
     carrierRestrictions.allowedCarriers[0].matchData = std::string();
-    carrierRestrictions.priority = true;
     carrierRestrictions.allowedCarriersPrioritized = true;
     SimLockMultiSimPolicy multisimPolicy = SimLockMultiSimPolicy::NO_MULTISIM_POLICY;
 
@@ -650,12 +649,10 @@
 }
 
 /*
- * The following test is disabled due to b/109889468
- *
  * Test IRadioSim.getImsiForApp() for the response returned.
  */
-TEST_P(RadioSimTest, DISABLED_getImsiForApp) {
-    LOG(DEBUG) << "DISABLED_getImsiForApp";
+TEST_P(RadioSimTest, getImsiForApp) {
+    LOG(DEBUG) << "getImsiForApp";
     serial = GetRandomSerialNumber();
 
     // Check success returned while getting imsi for 3GPP and 3GPP2 apps only
@@ -679,7 +676,7 @@
             }
         }
     }
-    LOG(DEBUG) << "DISABLED_getImsiForApp finished";
+    LOG(DEBUG) << "getImsiForApp finished";
 }
 
 /*
@@ -723,8 +720,6 @@
     EXPECT_EQ(std::cv_status::no_timeout, wait());
     EXPECT_EQ(RadioResponseType::SOLICITED, radioRsp_sim->rspInfo.type);
     EXPECT_EQ(serial, radioRsp_sim->rspInfo.serial);
-
-    // TODO(sanketpadawe): Add test for error code
     LOG(DEBUG) << "iccTransmitApduBasicChannel finished";
 }
 
@@ -775,8 +770,6 @@
     EXPECT_EQ(std::cv_status::no_timeout, wait());
     EXPECT_EQ(RadioResponseType::SOLICITED, radioRsp_sim->rspInfo.type);
     EXPECT_EQ(serial, radioRsp_sim->rspInfo.serial);
-
-    // TODO(sanketpadawe): Add test for error code
     LOG(DEBUG) << "iccTransmitApduLogicalChannel finished";
 }
 
diff --git a/radio/aidl/vts/radio_voice_indication.cpp b/radio/aidl/vts/radio_voice_indication.cpp
index d814c18..3fee326 100644
--- a/radio/aidl/vts/radio_voice_indication.cpp
+++ b/radio/aidl/vts/radio_voice_indication.cpp
@@ -65,6 +65,12 @@
     return ndk::ScopedAStatus::ok();
 }
 
+ndk::ScopedAStatus RadioVoiceIndication::onUssd(RadioIndicationType /*type*/,
+                                                UssdModeType /*modeType*/,
+                                                const std::string& /*msg*/) {
+    return ndk::ScopedAStatus::ok();
+}
+
 ndk::ScopedAStatus RadioVoiceIndication::resendIncallMute(RadioIndicationType /*type*/) {
     return ndk::ScopedAStatus::ok();
 }
diff --git a/radio/aidl/vts/radio_voice_response.cpp b/radio/aidl/vts/radio_voice_response.cpp
index 95b2d4e..dd7b1bf 100644
--- a/radio/aidl/vts/radio_voice_response.cpp
+++ b/radio/aidl/vts/radio_voice_response.cpp
@@ -28,6 +28,12 @@
     return ndk::ScopedAStatus::ok();
 }
 
+ndk::ScopedAStatus RadioVoiceResponse::cancelPendingUssdResponse(const RadioResponseInfo& info) {
+    rspInfo = info;
+    parent_voice.notify(info.serial);
+    return ndk::ScopedAStatus::ok();
+}
+
 ndk::ScopedAStatus RadioVoiceResponse::conferenceResponse(const RadioResponseInfo& info) {
     rspInfo = info;
     parent_voice.notify(info.serial);
@@ -182,6 +188,12 @@
     return ndk::ScopedAStatus::ok();
 }
 
+ndk::ScopedAStatus RadioVoiceResponse::sendUssdResponse(const RadioResponseInfo& info) {
+    rspInfo = info;
+    parent_voice.notify(info.serial);
+    return ndk::ScopedAStatus::ok();
+}
+
 ndk::ScopedAStatus RadioVoiceResponse::separateConnectionResponse(const RadioResponseInfo& info) {
     rspInfo = info;
     parent_voice.notify(info.serial);
diff --git a/radio/aidl/vts/radio_voice_test.cpp b/radio/aidl/vts/radio_voice_test.cpp
index 0556938..eec28b1 100644
--- a/radio/aidl/vts/radio_voice_test.cpp
+++ b/radio/aidl/vts/radio_voice_test.cpp
@@ -324,7 +324,7 @@
  * Test IRadioVoice.getTtyMode() for the response returned.
  */
 TEST_P(RadioVoiceTest, getTtyMode) {
-    LOG(DEBUG) << "getTTYMode";
+    LOG(DEBUG) << "getTtyMode";
     serial = GetRandomSerialNumber();
 
     radio_voice->getTtyMode(serial);
@@ -335,7 +335,7 @@
     if (cardStatus.cardState == CardStatus::STATE_ABSENT) {
         EXPECT_EQ(RadioError::NONE, radioRsp_voice->rspInfo.error);
     }
-    LOG(DEBUG) << "getTTYMode finished";
+    LOG(DEBUG) << "getTtyMode finished";
 }
 
 /*
@@ -902,3 +902,44 @@
     }
     LOG(DEBUG) << "sendBurstDtmf finished";
 }
+
+/*
+ * Test IRadioVoice.sendUssd() for the response returned.
+ */
+TEST_P(RadioVoiceTest, sendUssd) {
+    LOG(DEBUG) << "sendUssd";
+    serial = GetRandomSerialNumber();
+    radio_voice->sendUssd(serial, std::string("test"));
+    EXPECT_EQ(std::cv_status::no_timeout, wait());
+    EXPECT_EQ(RadioResponseType::SOLICITED, radioRsp_voice->rspInfo.type);
+    EXPECT_EQ(serial, radioRsp_voice->rspInfo.serial);
+
+    if (cardStatus.cardState == CardStatus::STATE_ABSENT) {
+        ASSERT_TRUE(CheckAnyOfErrors(
+                radioRsp_voice->rspInfo.error,
+                {RadioError::INVALID_ARGUMENTS, RadioError::INVALID_STATE, RadioError::MODEM_ERR},
+                CHECK_GENERAL_ERROR));
+    }
+    LOG(DEBUG) << "sendUssd finished";
+}
+
+/*
+ * Test IRadioVoice.cancelPendingUssd() for the response returned.
+ */
+TEST_P(RadioVoiceTest, cancelPendingUssd) {
+    LOG(DEBUG) << "cancelPendingUssd";
+    serial = GetRandomSerialNumber();
+
+    radio_voice->cancelPendingUssd(serial);
+    EXPECT_EQ(std::cv_status::no_timeout, wait());
+    EXPECT_EQ(RadioResponseType::SOLICITED, radioRsp_voice->rspInfo.type);
+    EXPECT_EQ(serial, radioRsp_voice->rspInfo.serial);
+
+    if (cardStatus.cardState == CardStatus::STATE_ABSENT) {
+        ASSERT_TRUE(CheckAnyOfErrors(
+                radioRsp_voice->rspInfo.error,
+                {RadioError::NONE, RadioError::INVALID_STATE, RadioError::MODEM_ERR},
+                CHECK_GENERAL_ERROR));
+    }
+    LOG(DEBUG) << "cancelPendingUssd finished";
+}
diff --git a/radio/aidl/vts/radio_voice_utils.h b/radio/aidl/vts/radio_voice_utils.h
index d61bf1e..0c3df7f 100644
--- a/radio/aidl/vts/radio_voice_utils.h
+++ b/radio/aidl/vts/radio_voice_utils.h
@@ -43,6 +43,8 @@
 
     virtual ndk::ScopedAStatus acknowledgeRequest(int32_t serial) override;
 
+    virtual ndk::ScopedAStatus cancelPendingUssdResponse(const RadioResponseInfo& info) override;
+
     virtual ndk::ScopedAStatus conferenceResponse(const RadioResponseInfo& info) override;
 
     virtual ndk::ScopedAStatus dialResponse(const RadioResponseInfo& info) override;
@@ -103,6 +105,8 @@
 
     virtual ndk::ScopedAStatus sendDtmfResponse(const RadioResponseInfo& info) override;
 
+    virtual ndk::ScopedAStatus sendUssdResponse(const RadioResponseInfo& info) override;
+
     virtual ndk::ScopedAStatus separateConnectionResponse(const RadioResponseInfo& info) override;
 
     virtual ndk::ScopedAStatus setCallForwardResponse(const RadioResponseInfo& info) override;
@@ -164,6 +168,9 @@
     virtual ndk::ScopedAStatus onSupplementaryServiceIndication(
             RadioIndicationType type, const StkCcUnsolSsResult& ss) override;
 
+    virtual ndk::ScopedAStatus onUssd(RadioIndicationType type, UssdModeType modeType,
+                                      const std::string& msg) override;
+
     virtual ndk::ScopedAStatus resendIncallMute(RadioIndicationType type) override;
 
     virtual ndk::ScopedAStatus srvccStateNotify(RadioIndicationType type,
diff --git a/thermal/2.0/default/Android.bp b/thermal/2.0/default/Android.bp
index a63ffbc..f743ade 100644
--- a/thermal/2.0/default/Android.bp
+++ b/thermal/2.0/default/Android.bp
@@ -22,16 +22,26 @@
     default_applicable_licenses: ["hardware_interfaces_license"],
 }
 
+filegroup {
+    name: "android.hardware.thermal@2.0-service.xml",
+    srcs: ["android.hardware.thermal@2.0-service.xml"],
+}
+
+filegroup {
+    name: "android.hardware.thermal@2.0-service.rc",
+    srcs: ["android.hardware.thermal@2.0-service.rc"],
+}
+
 cc_binary {
     name: "android.hardware.thermal@2.0-service.mock",
     defaults: ["hidl_defaults"],
     relative_install_path: "hw",
     vendor: true,
-    init_rc: ["android.hardware.thermal@2.0-service.rc"],
-    vintf_fragments: ["android.hardware.thermal@2.0-service.xml"],
+    init_rc: [":android.hardware.thermal@2.0-service.rc"],
+    vintf_fragments: [":android.hardware.thermal@2.0-service.xml"],
     srcs: [
         "Thermal.cpp",
-        "service.cpp"
+        "service.cpp",
     ],
     shared_libs: [
         "libbase",
diff --git a/thermal/2.0/default/apex/Android.bp b/thermal/2.0/default/apex/Android.bp
new file mode 100644
index 0000000..914a3a8
--- /dev/null
+++ b/thermal/2.0/default/apex/Android.bp
@@ -0,0 +1,55 @@
+// 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 {
+    default_applicable_licenses: ["hardware_interfaces_license"],
+}
+
+apex_key {
+    name: "com.android.hardware.thermal.key",
+    public_key: "com.android.hardware.thermal.avbpubkey",
+    private_key: "com.android.hardware.thermal.pem",
+}
+
+android_app_certificate {
+    name: "com.android.hardware.thermal.certificate",
+    certificate: "com.android.hardware.thermal",
+}
+
+genrule {
+    name: "com.android.hardware.thermal.rc-gen",
+    srcs: [":android.hardware.thermal@2.0-service.rc"],
+    out: ["com.android.hardware.thermal.rc"],
+    cmd: "sed -E 's/\\/vendor/\\/apex\\/com.android.hardware.thermal.mock/' $(in) > $(out)",
+}
+
+prebuilt_etc {
+    name: "com.android.hardware.thermal.rc",
+    src: ":com.android.hardware.thermal.rc-gen",
+    installable: false,
+}
+
+apex {
+    name: "com.android.hardware.thermal.mock",
+    manifest: "manifest.json",
+    file_contexts: "file_contexts",
+    key: "com.android.hardware.thermal.key",
+    certificate: ":com.android.hardware.thermal.certificate",
+    use_vndk_as_stable: true,
+    updatable: false,
+    soc_specific: true,
+    binaries: ["android.hardware.thermal@2.0-service.mock"],
+    prebuilts: ["com.android.hardware.thermal.rc"],
+    vintf_fragments: [":android.hardware.thermal@2.0-service.xml"],
+}
diff --git a/thermal/2.0/default/apex/com.android.hardware.thermal.avbpubkey b/thermal/2.0/default/apex/com.android.hardware.thermal.avbpubkey
new file mode 100644
index 0000000..8f7cf72
--- /dev/null
+++ b/thermal/2.0/default/apex/com.android.hardware.thermal.avbpubkey
Binary files differ
diff --git a/thermal/2.0/default/apex/com.android.hardware.thermal.pem b/thermal/2.0/default/apex/com.android.hardware.thermal.pem
new file mode 100644
index 0000000..4ea6e85
--- /dev/null
+++ b/thermal/2.0/default/apex/com.android.hardware.thermal.pem
@@ -0,0 +1,51 @@
+-----BEGIN RSA PRIVATE KEY-----
+MIIJKQIBAAKCAgEApXL2prEKqnU/xHlYeZB55x5EOrVAsfBuyHN5xOgUY877UuDC
+xoX+DOYAkCDSwMPmBj/Q9E70lId1PXMeI3y0obgYpdFubqRsoGNcEq2zG811tr6J
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+HUcaU3p+BlUad0qLhA8HYTPPBwJq2uHbTXeFrWXngt+UPCdzYubyUjG4WmgHIfee
+zSvoTjud2Gaofnd4/PcE5jFTMYUJuz0D4E+8StZArw+xegfxGcvqFZ4gfKAO1Vha
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+U2qeIZuIrmE5xmyzrzJsCx+5vRQA7A3kpxRo1ZCgbJlzMgdAQaRTe2rqxyyoeFQR
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+bhrw/kNAVA0zUHhlhHWGDnJQ/rkGfjQ9GGhS51IJYgKEoQc5M9hSgZD3idic8hso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+L4ZOCcgHVG7aCLah7f/0Za7BBiPsZFD0uRIzWFTd77st3v8ulMw1JQiO3+xmpL7e
+iOP+onuSEMKgNQqeX9WCnv6pL+mjg0of2IEcGnvCpmfUZRA2x/MlyJRrQ1vHGqkV
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+LuMt72O5QeNsPREX4SsSRAL+vZbz1+8iRI8Fon89csZym3hos3DA4QSml+FNHnLe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-----END RSA PRIVATE KEY-----
diff --git a/thermal/2.0/default/apex/com.android.hardware.thermal.pk8 b/thermal/2.0/default/apex/com.android.hardware.thermal.pk8
new file mode 100644
index 0000000..3e5bf69
--- /dev/null
+++ b/thermal/2.0/default/apex/com.android.hardware.thermal.pk8
Binary files differ
diff --git a/thermal/2.0/default/apex/com.android.hardware.thermal.x509.pem b/thermal/2.0/default/apex/com.android.hardware.thermal.x509.pem
new file mode 100644
index 0000000..048e69a
--- /dev/null
+++ b/thermal/2.0/default/apex/com.android.hardware.thermal.x509.pem
@@ -0,0 +1,34 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
diff --git a/thermal/2.0/default/apex/file_contexts b/thermal/2.0/default/apex/file_contexts
new file mode 100644
index 0000000..e0d87c7
--- /dev/null
+++ b/thermal/2.0/default/apex/file_contexts
@@ -0,0 +1,5 @@
+(/.*)?                                                    u:object_r:vendor_file:s0
+# Permission XMLs
+/etc/permissions(/.*)?                                    u:object_r:vendor_configs_file:s0
+# binary
+/bin/hw/android\.hardware\.thermal@2\.0-service\.mock     u:object_r:hal_thermal_default_exec:s0
diff --git a/thermal/2.0/default/apex/manifest.json b/thermal/2.0/default/apex/manifest.json
new file mode 100644
index 0000000..ee44dc1
--- /dev/null
+++ b/thermal/2.0/default/apex/manifest.json
@@ -0,0 +1,4 @@
+{
+  "name": "com.android.hardware.thermal.mock",
+  "version": 1
+}
diff --git a/tv/tuner/aidl/Android.bp b/tv/tuner/aidl/Android.bp
index c33572d..63f91ac 100644
--- a/tv/tuner/aidl/Android.bp
+++ b/tv/tuner/aidl/Android.bp
@@ -19,7 +19,6 @@
     backend: {
         java: {
             sdk_version: "module_current",
-            srcs_available: true,
         },
         cpp: {
             enabled: false,
diff --git a/tv/tuner/aidl/default/Frontend.cpp b/tv/tuner/aidl/default/Frontend.cpp
index 056d014..3f7797c 100644
--- a/tv/tuner/aidl/default/Frontend.cpp
+++ b/tv/tuner/aidl/default/Frontend.cpp
@@ -393,6 +393,13 @@
 
     {
         FrontendScanMessage msg;
+        msg.set<FrontendScanMessage::Tag::isLocked>(false);
+        mCallback->onScanMessage(FrontendScanMessageType::LOCKED, msg);
+        mIsLocked = false;
+    }
+
+    {
+        FrontendScanMessage msg;
         msg.set<FrontendScanMessage::Tag::isLocked>(true);
         mCallback->onScanMessage(FrontendScanMessageType::LOCKED, msg);
         mIsLocked = true;
diff --git a/uwb/aidl/aidl_api/android.hardware.uwb.fira_android/current/android/hardware/uwb/fira_android/UwbVendorSessionSetAppConfigCmdParams.aidl b/uwb/aidl/aidl_api/android.hardware.uwb.fira_android/current/android/hardware/uwb/fira_android/UwbVendorCapabilityTlvTypes.aidl
similarity index 82%
copy from uwb/aidl/aidl_api/android.hardware.uwb.fira_android/current/android/hardware/uwb/fira_android/UwbVendorSessionSetAppConfigCmdParams.aidl
copy to uwb/aidl/aidl_api/android.hardware.uwb.fira_android/current/android/hardware/uwb/fira_android/UwbVendorCapabilityTlvTypes.aidl
index 0d53431..bc73b89 100644
--- a/uwb/aidl/aidl_api/android.hardware.uwb.fira_android/current/android/hardware/uwb/fira_android/UwbVendorSessionSetAppConfigCmdParams.aidl
+++ b/uwb/aidl/aidl_api/android.hardware.uwb.fira_android/current/android/hardware/uwb/fira_android/UwbVendorCapabilityTlvTypes.aidl
@@ -33,14 +33,14 @@
 
 package android.hardware.uwb.fira_android;
 @Backing(type="int") @VintfStability
-enum UwbVendorSessionSetAppConfigCmdParams {
-  CCC_HOP_MODE_KEY = 160,
-  CCC_UWB_TIME0 = 161,
-  CCC_RANGING_PROTOCOL_VER = 163,
-  CCC_UWB_CONFIG_ID = 164,
-  CCC_PULSESHAPE_COMBO = 165,
-  CCC_URSK_TTL = 166,
-  NB_OF_RANGE_MEASUREMENTS = 227,
-  NB_OF_AZIMUTH_MEASUREMENTS = 228,
-  NB_OF_ELEVATION_MEASUREMENTS = 229,
+enum UwbVendorCapabilityTlvTypes {
+  CCC_SUPPORTED_VERSIONS = 160,
+  CCC_SUPPORTED_UWB_CONFIGS = 161,
+  CCC_SUPPORTED_PULSE_SHAPE_COMBOS = 162,
+  CCC_SUPPORTED_RAN_MULTIPLIER = 163,
+  CCC_SUPPORTED_CHAPS_PER_SLOT = 164,
+  CCC_SUPPORTED_SYNC_CODES = 165,
+  CCC_SUPPORTED_CHANNELS = 166,
+  CCC_SUPPORTED_HOPPING_SEQUENCES = 167,
+  CCC_SUPPORTED_HOPPING_CONFIG_MODES = 168,
 }
diff --git a/uwb/aidl/aidl_api/android.hardware.uwb.fira_android/current/android/hardware/uwb/fira_android/UwbVendorSessionSetAppConfigCmdParams.aidl b/uwb/aidl/aidl_api/android.hardware.uwb.fira_android/current/android/hardware/uwb/fira_android/UwbVendorCapabilityTlvValues.aidl
similarity index 75%
copy from uwb/aidl/aidl_api/android.hardware.uwb.fira_android/current/android/hardware/uwb/fira_android/UwbVendorSessionSetAppConfigCmdParams.aidl
copy to uwb/aidl/aidl_api/android.hardware.uwb.fira_android/current/android/hardware/uwb/fira_android/UwbVendorCapabilityTlvValues.aidl
index 0d53431..ee47a13 100644
--- a/uwb/aidl/aidl_api/android.hardware.uwb.fira_android/current/android/hardware/uwb/fira_android/UwbVendorSessionSetAppConfigCmdParams.aidl
+++ b/uwb/aidl/aidl_api/android.hardware.uwb.fira_android/current/android/hardware/uwb/fira_android/UwbVendorCapabilityTlvValues.aidl
@@ -32,15 +32,23 @@
 // later when a module using the interface is updated, e.g., Mainline modules.
 
 package android.hardware.uwb.fira_android;
-@Backing(type="int") @VintfStability
-enum UwbVendorSessionSetAppConfigCmdParams {
-  CCC_HOP_MODE_KEY = 160,
-  CCC_UWB_TIME0 = 161,
-  CCC_RANGING_PROTOCOL_VER = 163,
-  CCC_UWB_CONFIG_ID = 164,
-  CCC_PULSESHAPE_COMBO = 165,
-  CCC_URSK_TTL = 166,
-  NB_OF_RANGE_MEASUREMENTS = 227,
-  NB_OF_AZIMUTH_MEASUREMENTS = 228,
-  NB_OF_ELEVATION_MEASUREMENTS = 229,
+@Backing(type="long") @VintfStability
+enum UwbVendorCapabilityTlvValues {
+  UWB_CONFIG_0 = 0,
+  UWB_CONFIG_1 = 1,
+  PULSE_SHAPE_SYMMETRICAL_ROOT_RAISED_COSINE = 1,
+  PULSE_SHAPE_PRECURSOR_FREE = 2,
+  PULSE_SHAPE_PRECURSOR_FREE_SPECIAL = 3,
+  CHAPS_PER_SLOT_3 = 3,
+  CHAPS_PER_SLOT_4 = 4,
+  CHAPS_PER_SLOT_6 = 6,
+  CHAPS_PER_SLOT_8 = 8,
+  CHAPS_PER_SLOT_9 = 9,
+  CHAPS_PER_SLOT_12 = 12,
+  CHAPS_PER_SLOT_24 = 24,
+  HOPPING_SEQUENCE_DEFAULT = 0,
+  HOPPING_SEQUENCE_AES = 1,
+  HOPPING_CONFIG_MODE_NONE = 0,
+  HOPPING_CONFIG_MODE_CONTINUOUS = 1,
+  HOPPING_CONFIG_MODE_ADAPTIVE = 2,
 }
diff --git a/uwb/aidl/aidl_api/android.hardware.uwb.fira_android/current/android/hardware/uwb/fira_android/UwbVendorSessionSetAppConfigCmdParams.aidl b/uwb/aidl/aidl_api/android.hardware.uwb.fira_android/current/android/hardware/uwb/fira_android/UwbVendorSessionAppConfigTlvTypes.aidl
similarity index 97%
rename from uwb/aidl/aidl_api/android.hardware.uwb.fira_android/current/android/hardware/uwb/fira_android/UwbVendorSessionSetAppConfigCmdParams.aidl
rename to uwb/aidl/aidl_api/android.hardware.uwb.fira_android/current/android/hardware/uwb/fira_android/UwbVendorSessionAppConfigTlvTypes.aidl
index 0d53431..d35728f 100644
--- a/uwb/aidl/aidl_api/android.hardware.uwb.fira_android/current/android/hardware/uwb/fira_android/UwbVendorSessionSetAppConfigCmdParams.aidl
+++ b/uwb/aidl/aidl_api/android.hardware.uwb.fira_android/current/android/hardware/uwb/fira_android/UwbVendorSessionAppConfigTlvTypes.aidl
@@ -33,7 +33,7 @@
 
 package android.hardware.uwb.fira_android;
 @Backing(type="int") @VintfStability
-enum UwbVendorSessionSetAppConfigCmdParams {
+enum UwbVendorSessionAppConfigTlvTypes {
   CCC_HOP_MODE_KEY = 160,
   CCC_UWB_TIME0 = 161,
   CCC_RANGING_PROTOCOL_VER = 163,
diff --git a/uwb/aidl/android/hardware/uwb/fira_android/UwbVendorCapabilityTlvTypes.aidl b/uwb/aidl/android/hardware/uwb/fira_android/UwbVendorCapabilityTlvTypes.aidl
new file mode 100644
index 0000000..968cd17
--- /dev/null
+++ b/uwb/aidl/android/hardware/uwb/fira_android/UwbVendorCapabilityTlvTypes.aidl
@@ -0,0 +1,94 @@
+/*
+ * Copyright (C) 2021 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.uwb.fira_android;
+
+/**
+ * Android specific capability TLV types in UCI command:
+ * GID: 0000b (UWB Core Group)
+ * OID: 000011b (CORE_GET_CAPS_INFO_CMD)
+ *
+ * For FIRA params, please refer to params mentioned in CR 287.
+ *
+ * Values expected for each type are mentioned in the docs below and the constants
+ * used are defined in UwbVendorCapabilityTlvValues enum.
+ */
+@VintfStability
+@Backing(type="int")
+enum UwbVendorCapabilityTlvTypes {
+    /*********************************************
+     * CCC specific
+     ********************************************/
+
+    /**
+     * 2 byte tuple {major_version (1 byte), minor_version (1 byte)} array with list of supported
+     * CCC versions
+     */
+    CCC_SUPPORTED_VERSIONS = 0xA0,
+    /**
+     * byte array with a list of supported UWB configs
+     * Values:
+     *  UWB_CONFIG_0 = 0
+     *  UWB_CONFIG_1 = 1
+     */
+    CCC_SUPPORTED_UWB_CONFIGS = 0xA1,
+    /**
+     * 1 byte tuple {initiator_tx (4 bits), responder_tx (4 bits)} array with list of supported
+     * pulse shape combos
+     * Values:
+     *  PULSE_SHAPE_SYMMETRICAL_ROOT_RAISED_COSINE = 1
+     *  PULSE_SHAPE_PRECURSOR_FREE = 2
+     *  PULSE_SHAPE_PRECURSOR_FREE_SPECIAL = 3
+     */
+    /**  */
+    CCC_SUPPORTED_PULSE_SHAPE_COMBOS = 0xA2,
+    /** Int value for indicating supported ran multiplier */
+    CCC_SUPPORTED_RAN_MULTIPLIER = 0xA3,
+    /**
+     * byte array with a list of supported chaps per slot
+     * Values:
+     *  CHAPS_PER_SLOT_3 = 3
+     *  CHAPS_PER_SLOT_4 = 4
+     *  CHAPS_PER_SLOT_6 = 6
+     *  CHAPS_PER_SLOT_8 = 8
+     *  CHAPS_PER_SLOT_9 = 9
+     *  CHAPS_PER_SLOT_12 = 12
+     *  CHAPS_PER_SLOT_24 = 24
+     */
+    CCC_SUPPORTED_CHAPS_PER_SLOT = 0xA4,
+    /**
+     * byte array with a list of supported sync codes
+     * Values: 1 - 32
+     */
+    CCC_SUPPORTED_SYNC_CODES = 0xA5,
+    /** byte array with list of supported channels */
+    CCC_SUPPORTED_CHANNELS = 0xA6,
+    /**
+     * byte array with a list of supported hopping sequences
+     * Values:
+        HOPPING_SEQUENCE_DEFAULT = 0
+        HOPPING_SEQUENCE_AES = 1
+     */
+    CCC_SUPPORTED_HOPPING_SEQUENCES = 0xA7,
+    /**
+     * byte array with a list of supported hopping config modes
+     * Values:
+     *  HOPPING_CONFIG_MODE_NONE = 0
+     *  HOPPING_CONFIG_MODE_CONTINUOUS = 1
+     *  HOPPING_CONFIG_MODE_ADAPTIVE = 2
+     */
+    CCC_SUPPORTED_HOPPING_CONFIG_MODES = 0xA8,
+}
diff --git a/uwb/aidl/android/hardware/uwb/fira_android/UwbVendorCapabilityTlvValues.aidl b/uwb/aidl/android/hardware/uwb/fira_android/UwbVendorCapabilityTlvValues.aidl
new file mode 100644
index 0000000..380089f
--- /dev/null
+++ b/uwb/aidl/android/hardware/uwb/fira_android/UwbVendorCapabilityTlvValues.aidl
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2021 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.uwb.fira_android;
+
+/**
+ * Android specific capability TLV values expected in UCI command:
+ * GID: 0000b (UWB Core Group),
+ * OID: 000011b (CORE_GET_CAPS_INFO_CMD),
+ */
+@VintfStability
+@Backing(type="long")
+enum UwbVendorCapabilityTlvValues {
+    /*********************************************
+     * CCC specific
+     ********************************************/
+    UWB_CONFIG_0 = 0,
+    UWB_CONFIG_1 = 1,
+
+    PULSE_SHAPE_SYMMETRICAL_ROOT_RAISED_COSINE = 1,
+    PULSE_SHAPE_PRECURSOR_FREE = 2,
+    PULSE_SHAPE_PRECURSOR_FREE_SPECIAL = 3,
+
+    CHAPS_PER_SLOT_3 = 3,
+    CHAPS_PER_SLOT_4 = 4,
+    CHAPS_PER_SLOT_6 = 6,
+    CHAPS_PER_SLOT_8 = 8,
+    CHAPS_PER_SLOT_9 = 9,
+    CHAPS_PER_SLOT_12 = 12,
+    CHAPS_PER_SLOT_24 = 24,
+
+    HOPPING_SEQUENCE_DEFAULT = 0,
+    HOPPING_SEQUENCE_AES = 1,
+
+    HOPPING_CONFIG_MODE_NONE = 0,
+    HOPPING_CONFIG_MODE_CONTINUOUS = 1,
+    HOPPING_CONFIG_MODE_ADAPTIVE = 2,
+}
diff --git a/uwb/aidl/android/hardware/uwb/fira_android/UwbVendorSessionSetAppConfigCmdParams.aidl b/uwb/aidl/android/hardware/uwb/fira_android/UwbVendorSessionAppConfigTlvTypes.aidl
similarity index 92%
rename from uwb/aidl/android/hardware/uwb/fira_android/UwbVendorSessionSetAppConfigCmdParams.aidl
rename to uwb/aidl/android/hardware/uwb/fira_android/UwbVendorSessionAppConfigTlvTypes.aidl
index eb1f5ac..b770ee0 100644
--- a/uwb/aidl/android/hardware/uwb/fira_android/UwbVendorSessionSetAppConfigCmdParams.aidl
+++ b/uwb/aidl/android/hardware/uwb/fira_android/UwbVendorSessionAppConfigTlvTypes.aidl
@@ -17,16 +17,17 @@
 package android.hardware.uwb.fira_android;
 
 /**
- * Android specific vendor app params set in UCI command:
+ * Android specific vendor app params set/expected in UCI command:
  * GID: 0001b (UWB Session config Group)
  * OID: 000011b (SESSION_SET_APP_CONFIG_CMD)
+ * OID: 000100b (SESSION_GET_APP_CONFIG_CMD)
  *
  * Note: Refer to Table 34 of the UCI specification for the other params
  * expected in this command.
  */
 @VintfStability
 @Backing(type="int")
-enum UwbVendorSessionSetAppConfigCmdParams {
+enum UwbVendorSessionAppConfigTlvTypes {
     /** CCC params for ranging start */
 
     /**
diff --git a/wifi/1.6/default/hidl_callback_util.h b/wifi/1.6/default/hidl_callback_util.h
index 3ac54c1..aab0ae5 100644
--- a/wifi/1.6/default/hidl_callback_util.h
+++ b/wifi/1.6/default/hidl_callback_util.h
@@ -20,6 +20,7 @@
 #include <set>
 
 #include <hidl/HidlSupport.h>
+#include <hidl/HidlTransportSupport.h>
 
 namespace {
 // Type of callback invoked by the death handler.
@@ -68,9 +69,11 @@
         // (callback proxy's raw pointer) to track the death of individual
         // clients.
         uint64_t cookie = reinterpret_cast<uint64_t>(cb.get());
-        if (cb_set_.find(cb) != cb_set_.end()) {
-            LOG(WARNING) << "Duplicate death notification registration";
-            return true;
+        for (const auto& s : cb_set_) {
+            if (interfacesEqual(cb, s)) {
+                LOG(ERROR) << "Duplicate death notification registration";
+                return true;
+            }
         }
         if (!cb->linkToDeath(death_handler_, cookie)) {
             LOG(ERROR) << "Failed to register death notification";
diff --git a/wifi/1.6/default/wifi_legacy_hal.cpp b/wifi/1.6/default/wifi_legacy_hal.cpp
index b006e45..8a75fd8 100644
--- a/wifi/1.6/default/wifi_legacy_hal.cpp
+++ b/wifi/1.6/default/wifi_legacy_hal.cpp
@@ -357,6 +357,15 @@
     }
 }
 
+// Callback to report current CHRE NAN state
+std::function<void(chre_nan_rtt_state)> on_chre_nan_rtt_internal_callback;
+void onAsyncChreNanRttState(chre_nan_rtt_state state) {
+    const auto lock = hidl_sync_util::acquireGlobalLock();
+    if (on_chre_nan_rtt_internal_callback) {
+        on_chre_nan_rtt_internal_callback(state);
+    }
+}
+
 // End of the free-standing "C" style callbacks.
 
 WifiLegacyHal::WifiLegacyHal(const std::weak_ptr<wifi_system::InterfaceTool> iface_tool,
@@ -1551,6 +1560,30 @@
     return {status, radio_combination_matrix_ptr};
 }
 
+wifi_error WifiLegacyHal::chreNanRttRequest(const std::string& iface_name, bool enable) {
+    if (enable)
+        return global_func_table_.wifi_nan_rtt_chre_enable_request(0, getIfaceHandle(iface_name),
+                                                                   NULL);
+    else
+        return global_func_table_.wifi_nan_rtt_chre_disable_request(0, getIfaceHandle(iface_name));
+}
+
+wifi_error WifiLegacyHal::chreRegisterHandler(const std::string& iface_name,
+                                              const ChreCallbackHandlers& handler) {
+    if (on_chre_nan_rtt_internal_callback) {
+        return WIFI_ERROR_NOT_AVAILABLE;
+    }
+
+    on_chre_nan_rtt_internal_callback = handler.on_wifi_chre_nan_rtt_state;
+
+    wifi_error status = global_func_table_.wifi_chre_register_handler(getIfaceHandle(iface_name),
+                                                                      {onAsyncChreNanRttState});
+    if (status != WIFI_SUCCESS) {
+        on_chre_nan_rtt_internal_callback = nullptr;
+    }
+    return status;
+}
+
 void WifiLegacyHal::invalidate() {
     global_handle_ = nullptr;
     iface_name_to_handle_.clear();
@@ -1586,6 +1619,7 @@
     on_twt_event_teardown_completion_callback = nullptr;
     on_twt_event_info_frame_received_callback = nullptr;
     on_twt_event_device_notify_callback = nullptr;
+    on_chre_nan_rtt_internal_callback = nullptr;
 }
 
 }  // namespace legacy_hal
diff --git a/wifi/1.6/default/wifi_legacy_hal.h b/wifi/1.6/default/wifi_legacy_hal.h
index 638bfa1..ab21e8e 100644
--- a/wifi/1.6/default/wifi_legacy_hal.h
+++ b/wifi/1.6/default/wifi_legacy_hal.h
@@ -36,6 +36,7 @@
 namespace legacy_hal {
 // Import all the types defined inside the legacy HAL header files into this
 // namespace.
+using ::chre_nan_rtt_state;
 using ::frame_info;
 using ::frame_type;
 using ::FRAME_TYPE_80211_MGMT;
@@ -458,6 +459,12 @@
     std::function<void(const TwtDeviceNotify&)> on_device_notify;
 };
 
+// CHRE response and event callbacks struct.
+struct ChreCallbackHandlers {
+    // Callback for CHRE NAN RTT
+    std::function<void(chre_nan_rtt_state)> on_wifi_chre_nan_rtt_state;
+};
+
 /**
  * Class that encapsulates all legacy HAL interactions.
  * This class manages the lifetime of the event loop thread used by legacy HAL.
@@ -670,6 +677,12 @@
 
     std::pair<wifi_error, wifi_radio_combination_matrix*> getSupportedRadioCombinationsMatrix();
 
+    // CHRE NAN RTT function
+    wifi_error chreNanRttRequest(const std::string& iface_name, bool enable);
+
+    wifi_error chreRegisterHandler(const std::string& iface_name,
+                                   const ChreCallbackHandlers& handler);
+
   private:
     // Retrieve interface handles for all the available interfaces.
     wifi_error retrieveIfaceHandles();
diff --git a/wifi/1.6/default/wifi_legacy_hal_stubs.cpp b/wifi/1.6/default/wifi_legacy_hal_stubs.cpp
index 05a27cf..5ad22f5 100644
--- a/wifi/1.6/default/wifi_legacy_hal_stubs.cpp
+++ b/wifi/1.6/default/wifi_legacy_hal_stubs.cpp
@@ -163,6 +163,9 @@
     populateStubFor(&hal_fn->wifi_trigger_subsystem_restart);
     populateStubFor(&hal_fn->wifi_set_indoor_state);
     populateStubFor(&hal_fn->wifi_get_supported_radio_combinations_matrix);
+    populateStubFor(&hal_fn->wifi_nan_rtt_chre_enable_request);
+    populateStubFor(&hal_fn->wifi_nan_rtt_chre_disable_request);
+    populateStubFor(&hal_fn->wifi_chre_register_handler);
     return true;
 }
 }  // namespace legacy_hal