diff --git a/audio/7.1/config/api/current.txt b/audio/7.1/config/api/current.txt
index 3a08b71..75fc5c0 100644
--- a/audio/7.1/config/api/current.txt
+++ b/audio/7.1/config/api/current.txt
@@ -359,6 +359,7 @@
     enum_constant public static final android.audio.policy.configuration.V7_1.AudioUsage AUDIO_USAGE_GAME;
     enum_constant public static final android.audio.policy.configuration.V7_1.AudioUsage AUDIO_USAGE_MEDIA;
     enum_constant public static final android.audio.policy.configuration.V7_1.AudioUsage AUDIO_USAGE_NOTIFICATION;
+    enum_constant public static final android.audio.policy.configuration.V7_1.AudioUsage AUDIO_USAGE_NOTIFICATION_EVENT;
     enum_constant public static final android.audio.policy.configuration.V7_1.AudioUsage AUDIO_USAGE_NOTIFICATION_TELEPHONY_RINGTONE;
     enum_constant public static final android.audio.policy.configuration.V7_1.AudioUsage AUDIO_USAGE_SAFETY;
     enum_constant public static final android.audio.policy.configuration.V7_1.AudioUsage AUDIO_USAGE_UNKNOWN;
diff --git a/audio/7.1/config/audio_policy_configuration.xsd b/audio/7.1/config/audio_policy_configuration.xsd
index ebc23ed..7e1da90 100644
--- a/audio/7.1/config/audio_policy_configuration.xsd
+++ b/audio/7.1/config/audio_policy_configuration.xsd
@@ -443,6 +443,7 @@
             <xs:enumeration value="AUDIO_USAGE_ALARM" />
             <xs:enumeration value="AUDIO_USAGE_NOTIFICATION" />
             <xs:enumeration value="AUDIO_USAGE_NOTIFICATION_TELEPHONY_RINGTONE" />
+            <xs:enumeration value="AUDIO_USAGE_NOTIFICATION_EVENT" />
             <xs:enumeration value="AUDIO_USAGE_ASSISTANCE_ACCESSIBILITY" />
             <xs:enumeration value="AUDIO_USAGE_ASSISTANCE_NAVIGATION_GUIDANCE" />
             <xs:enumeration value="AUDIO_USAGE_ASSISTANCE_SONIFICATION" />
diff --git a/audio/aidl/Android.bp b/audio/aidl/Android.bp
index 6a0cfa5..a8846b0 100644
--- a/audio/aidl/Android.bp
+++ b/audio/aidl/Android.bp
@@ -41,7 +41,12 @@
             enabled: true,
         },
         java: {
-            platform_apis: true,
+            sdk_version: "module_current",
+            min_sdk_version: "31",
+            apex_available: [
+                "//apex_available:platform",
+                "com.android.car.framework",
+            ],
         },
         ndk: {
             vndk: {
diff --git a/audio/common/all-versions/default/7.0/HidlUtils.cpp b/audio/common/all-versions/default/7.0/HidlUtils.cpp
index 218d7c0..0fd2947 100644
--- a/audio/common/all-versions/default/7.0/HidlUtils.cpp
+++ b/audio/common/all-versions/default/7.0/HidlUtils.cpp
@@ -485,8 +485,12 @@
 status_t HidlUtils::audioUsageFromHal(audio_usage_t halUsage, AudioUsage* usage) {
     if (halUsage == AUDIO_USAGE_NOTIFICATION_COMMUNICATION_REQUEST ||
         halUsage == AUDIO_USAGE_NOTIFICATION_COMMUNICATION_INSTANT ||
+#if MAJOR_VERSION == 7 && MINOR_VERSION == 1
+        halUsage == AUDIO_USAGE_NOTIFICATION_COMMUNICATION_DELAYED) {
+#else
         halUsage == AUDIO_USAGE_NOTIFICATION_COMMUNICATION_DELAYED ||
         halUsage == AUDIO_USAGE_NOTIFICATION_EVENT) {
+#endif
         halUsage = AUDIO_USAGE_NOTIFICATION;
     }
     *usage = audio_usage_to_string(halUsage);
diff --git a/audio/core/all-versions/vts/functional/4.0/AudioPrimaryHidlHalTest.cpp b/audio/core/all-versions/vts/functional/4.0/AudioPrimaryHidlHalTest.cpp
index a9797bb..7f4a777 100644
--- a/audio/core/all-versions/vts/functional/4.0/AudioPrimaryHidlHalTest.cpp
+++ b/audio/core/all-versions/vts/functional/4.0/AudioPrimaryHidlHalTest.cpp
@@ -28,8 +28,7 @@
     if (getDeviceName() != DeviceManager::kPrimaryDevice) {
         GTEST_SKIP() << "No primary device on this factory";  // returns
     }
-    EXPECT_TRUE(
-            DeviceManager::getInstance().reset(getFactoryName(), DeviceManager::kPrimaryDevice));
+    EXPECT_TRUE(DeviceManager::getInstance().resetPrimary(getFactoryName()));
 
     // Must use IDevicesFactory directly because DeviceManager always uses
     // the latest interfaces version and corresponding methods for opening
diff --git a/audio/core/all-versions/vts/functional/DeviceManager.h b/audio/core/all-versions/vts/functional/DeviceManager.h
index c8e0167..6bb39ed 100644
--- a/audio/core/all-versions/vts/functional/DeviceManager.h
+++ b/audio/core/all-versions/vts/functional/DeviceManager.h
@@ -96,40 +96,83 @@
     }
 };
 
-using FactoryAndDevice = std::tuple<std::string, std::string>;
-class DeviceManager : public InterfaceManager<DeviceManager, FactoryAndDevice, IDevice> {
+namespace impl {
+
+class PrimaryDeviceManager
+    : public InterfaceManager<PrimaryDeviceManager, std::string, IPrimaryDevice> {
   public:
-    static DeviceManager& getInstance() {
-        static DeviceManager instance;
-        return instance;
+    static sp<IPrimaryDevice> createInterfaceInstance(const std::string& factoryName) {
+        sp<IDevicesFactory> factory = DevicesFactoryManager::getInstance().get(factoryName);
+        return openPrimaryDevice(factory);
     }
+
+    bool reset(const std::string& factoryName) __attribute__((warn_unused_result)) {
+#if MAJOR_VERSION <= 5
+        return InterfaceManager::reset(factoryName, true);
+#elif MAJOR_VERSION >= 6
+        {
+            sp<IPrimaryDevice> device = getExisting(factoryName);
+            if (device != nullptr) {
+                auto ret = device->close();
+                ALOGE_IF(!ret.isOk(), "PrimaryDevice %s close failed: %s", factoryName.c_str(),
+                         ret.description().c_str());
+            }
+        }
+        return InterfaceManager::reset(factoryName, false);
+#endif
+    }
+
+  private:
+    static sp<IPrimaryDevice> openPrimaryDevice(const sp<IDevicesFactory>& factory) {
+        if (factory == nullptr) return {};
+        Result result;
+        sp<IPrimaryDevice> primaryDevice;
+#if !(MAJOR_VERSION == 7 && MINOR_VERSION == 1)
+        sp<IDevice> device;
+#if MAJOR_VERSION == 2
+        auto ret = factory->openDevice(IDevicesFactory::Device::PRIMARY, returnIn(result, device));
+        if (ret.isOk() && result == Result::OK && device != nullptr) {
+            primaryDevice = IPrimaryDevice::castFrom(device);
+        }
+#elif MAJOR_VERSION >= 4
+        auto ret = factory->openPrimaryDevice(returnIn(result, device));
+        if (ret.isOk() && result == Result::OK && device != nullptr) {
+            primaryDevice = IPrimaryDevice::castFrom(device);
+        }
+#endif
+        if (!ret.isOk() || result != Result::OK || primaryDevice == nullptr) {
+            ALOGW("Primary device can not be opened, transaction: %s, result %d, device %p",
+                  ret.description().c_str(), result, device.get());
+            return nullptr;
+        }
+#else  // V7.1
+        auto ret = factory->openPrimaryDevice_7_1(returnIn(result, primaryDevice));
+        if (!ret.isOk() || result != Result::OK) {
+            ALOGW("Primary device can not be opened, transaction: %s, result %d",
+                  ret.description().c_str(), result);
+            return nullptr;
+        }
+#endif
+        return primaryDevice;
+    }
+};
+
+using FactoryAndDevice = std::tuple<std::string, std::string>;
+class RegularDeviceManager
+    : public InterfaceManager<RegularDeviceManager, FactoryAndDevice, IDevice> {
+  public:
     static sp<IDevice> createInterfaceInstance(const FactoryAndDevice& factoryAndDevice) {
         auto [factoryName, name] = factoryAndDevice;
         sp<IDevicesFactory> factory = DevicesFactoryManager::getInstance().get(factoryName);
         return openDevice(factory, name);
     }
-    using InterfaceManager::reset;
-
-    static constexpr const char* kPrimaryDevice = "primary";
 
     sp<IDevice> get(const std::string& factoryName, const std::string& name) {
-        if (name == kPrimaryDevice) {
-            (void)getPrimary(factoryName);  // for initializing primaryDevice if needed.
-        }
         return InterfaceManager::get(std::make_tuple(factoryName, name));
     }
-    sp<IPrimaryDevice> getPrimary(const std::string& factoryName) {
-        if (primaryDevice == nullptr) {
-            sp<IDevicesFactory> factory = DevicesFactoryManager::getInstance().get(factoryName);
-            primaryDevice = openPrimaryDevice(factory);
-        }
-        return primaryDevice;
-    }
+
     bool reset(const std::string& factoryName, const std::string& name)
             __attribute__((warn_unused_result)) {
-        if (name == kPrimaryDevice) {
-            primaryDevice.clear();
-        }
 #if MAJOR_VERSION <= 5
         return InterfaceManager::reset(std::make_tuple(factoryName, name), true);
 #elif MAJOR_VERSION >= 6
@@ -144,9 +187,6 @@
         return InterfaceManager::reset(std::make_tuple(factoryName, name), false);
 #endif
     }
-    bool resetPrimary(const std::string& factoryName) __attribute__((warn_unused_result)) {
-        return reset(factoryName, kPrimaryDevice);
-    }
 
   private:
     static sp<IDevice> openDevice(const sp<IDevicesFactory>& factory, const std::string& name) {
@@ -155,9 +195,7 @@
         sp<IDevice> device;
 #if MAJOR_VERSION == 2
         IDevicesFactory::Device dev = IDevicesFactory::IDevicesFactory::Device(-1);
-        if (name == AUDIO_HARDWARE_MODULE_ID_PRIMARY) {
-            dev = IDevicesFactory::Device::PRIMARY;
-        } else if (name == AUDIO_HARDWARE_MODULE_ID_A2DP) {
+        if (name == AUDIO_HARDWARE_MODULE_ID_A2DP) {
             dev = IDevicesFactory::Device::A2DP;
         } else if (name == AUDIO_HARDWARE_MODULE_ID_USB) {
             dev = IDevicesFactory::Device::USB;
@@ -179,47 +217,62 @@
         }
         return device;
     }
+};
 
-    static sp<IPrimaryDevice> openPrimaryDevice(const sp<IDevicesFactory>& factory) {
-        if (factory == nullptr) return {};
-        Result result;
-        sp<IDevice> device;
-        sp<IPrimaryDevice> primaryDevice;
-#if MAJOR_VERSION == 2
-        auto ret = factory->openDevice(IDevicesFactory::Device::PRIMARY, returnIn(result, device));
-        if (ret.isOk() && result == Result::OK && device != nullptr) {
-            primaryDevice = IPrimaryDevice::castFrom(device);
+}  // namespace impl
+
+class DeviceManager {
+  public:
+    static DeviceManager& getInstance() {
+        static DeviceManager instance;
+        return instance;
+    }
+
+    static constexpr const char* kPrimaryDevice = "primary";
+
+    sp<IDevice> get(const std::string& factoryName, const std::string& name) {
+        if (name == kPrimaryDevice) {
+            auto primary = getPrimary(factoryName);
+            return primary ? deviceFromPrimary(primary) : nullptr;
         }
-#elif MAJOR_VERSION >= 4 && (MAJOR_VERSION < 7 || (MAJOR_VERSION == 7 && MINOR_VERSION == 0))
-        auto ret = factory->openPrimaryDevice(returnIn(result, device));
-        if (ret.isOk() && result == Result::OK && device != nullptr) {
-            primaryDevice = IPrimaryDevice::castFrom(device);
-        }
-#elif MAJOR_VERSION == 7 && MINOR_VERSION == 1
-        auto ret = factory->openPrimaryDevice_7_1(returnIn(result, primaryDevice));
-        if (ret.isOk() && result == Result::OK && primaryDevice != nullptr) {
-            auto getDeviceRet = primaryDevice->getDevice();
-            if (getDeviceRet.isOk()) {
-                device = getDeviceRet;
-            } else {
-                primaryDevice.clear();
-                ALOGW("Primary device can not downcast, transaction: %s, primary %p",
-                      getDeviceRet.description().c_str(), primaryDevice.get());
-                return {};
-            }
-        }
-#endif
-        if (!ret.isOk() || result != Result::OK || device == nullptr) {
-            ALOGW("Primary device can not be opened, transaction: %s, result %d, device %p",
-                  ret.description().c_str(), result, device.get());
-            return {};
-        }
-        return primaryDevice;
+        return mDevices.get(factoryName, name);
+    }
+
+    sp<IPrimaryDevice> getPrimary(const std::string& factoryName) {
+        return mPrimary.get(factoryName);
+    }
+
+    bool reset(const std::string& factoryName, const std::string& name)
+            __attribute__((warn_unused_result)) {
+        return name == kPrimaryDevice ? resetPrimary(factoryName)
+                                      : mDevices.reset(factoryName, name);
+    }
+
+    bool resetPrimary(const std::string& factoryName) __attribute__((warn_unused_result)) {
+        return mPrimary.reset(factoryName);
+    }
+
+    static void waitForInstanceDestruction() {
+        // Does not matter which device manager to use.
+        impl::RegularDeviceManager::waitForInstanceDestruction();
     }
 
   private:
-    // There can only be one primary device across all HAL modules.
-    // A reference to a complete interface is used because in V7.1 IDevice can not
-    // be upcasted to IPrimaryDevice.
-    sp<IPrimaryDevice> primaryDevice;
+    sp<IDevice> deviceFromPrimary(const sp<IPrimaryDevice>& primary) {
+#if MAJOR_VERSION == 7 && MINOR_VERSION == 1
+        auto ret = primary->getDevice();
+        if (ret.isOk()) {
+            return ret;
+        } else {
+            ALOGW("Error retrieving IDevice from primary: transaction: %s, primary %p",
+                  ret.description().c_str(), primary.get());
+            return nullptr;
+        }
+#else
+        return primary;
+#endif
+    }
+
+    impl::PrimaryDeviceManager mPrimary;
+    impl::RegularDeviceManager mDevices;
 };
diff --git a/automotive/audiocontrol/aidl/Android.bp b/automotive/audiocontrol/aidl/Android.bp
index 5e69429..890d7a0 100644
--- a/automotive/audiocontrol/aidl/Android.bp
+++ b/automotive/audiocontrol/aidl/Android.bp
@@ -13,6 +13,10 @@
     name: "android.hardware.automotive.audiocontrol",
     vendor_available: true,
     srcs: ["android/hardware/automotive/audiocontrol/*.aidl"],
+    imports: [
+        "android.hardware.audio.common",
+        "android.media.audio.common.types",
+    ],
     stability: "vintf",
     backend: {
         java: {
@@ -24,5 +28,7 @@
             ],
         },
     },
-    versions: ["1"],
+    versions: [
+        "1",
+    ],
 }
diff --git a/automotive/audiocontrol/aidl/aidl_api/android.hardware.automotive.audiocontrol/current/android/hardware/automotive/audiocontrol/AudioFocusChange.aidl b/automotive/audiocontrol/aidl/aidl_api/android.hardware.automotive.audiocontrol/current/android/hardware/automotive/audiocontrol/AudioFocusChange.aidl
index 3dc393a..58a3667 100644
--- a/automotive/audiocontrol/aidl/aidl_api/android.hardware.automotive.audiocontrol/current/android/hardware/automotive/audiocontrol/AudioFocusChange.aidl
+++ b/automotive/audiocontrol/aidl/aidl_api/android.hardware.automotive.audiocontrol/current/android/hardware/automotive/audiocontrol/AudioFocusChange.aidl
@@ -1,14 +1,30 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 ///////////////////////////////////////////////////////////////////////////////
 // THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
 ///////////////////////////////////////////////////////////////////////////////
 
-// This file is a snapshot of an AIDL interface (or parcelable). Do not try to
-// edit this file. It looks like you are doing that because you have modified
-// an AIDL interface in a backward-incompatible way, e.g., deleting a function
-// from an interface or a field from a parcelable and it broke the build. That
-// breakage is intended.
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
 //
-// You must not make a backward incompatible changes to the AIDL files built
+// You must not make a backward incompatible change to any AIDL file built
 // with the aidl_interface module type with versions property set. The module
 // type is used to build AIDL files in a way that they can be used across
 // independently updatable components of the system. If a device is shipped
diff --git a/drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/DecryptResult.aidl b/automotive/audiocontrol/aidl/aidl_api/android.hardware.automotive.audiocontrol/current/android/hardware/automotive/audiocontrol/AudioGainConfigInfo.aidl
similarity index 88%
copy from drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/DecryptResult.aidl
copy to automotive/audiocontrol/aidl/aidl_api/android.hardware.automotive.audiocontrol/current/android/hardware/automotive/audiocontrol/AudioGainConfigInfo.aidl
index d2b48d2..91ce035 100644
--- a/drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/DecryptResult.aidl
+++ b/automotive/audiocontrol/aidl/aidl_api/android.hardware.automotive.audiocontrol/current/android/hardware/automotive/audiocontrol/AudioGainConfigInfo.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.drm;
+package android.hardware.automotive.audiocontrol;
 @VintfStability
-parcelable DecryptResult {
-  int bytesWritten;
-  String detailedError;
+parcelable AudioGainConfigInfo {
+  int zoneId;
+  String devicePortAddress;
+  int volumeIndex;
 }
diff --git a/automotive/audiocontrol/aidl/aidl_api/android.hardware.automotive.audiocontrol/current/android/hardware/automotive/audiocontrol/DuckingInfo.aidl b/automotive/audiocontrol/aidl/aidl_api/android.hardware.automotive.audiocontrol/current/android/hardware/automotive/audiocontrol/DuckingInfo.aidl
index 6d729e2..23abb46 100644
--- a/automotive/audiocontrol/aidl/aidl_api/android.hardware.automotive.audiocontrol/current/android/hardware/automotive/audiocontrol/DuckingInfo.aidl
+++ b/automotive/audiocontrol/aidl/aidl_api/android.hardware.automotive.audiocontrol/current/android/hardware/automotive/audiocontrol/DuckingInfo.aidl
@@ -1,14 +1,30 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 ///////////////////////////////////////////////////////////////////////////////
 // THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
 ///////////////////////////////////////////////////////////////////////////////
 
-// This file is a snapshot of an AIDL interface (or parcelable). Do not try to
-// edit this file. It looks like you are doing that because you have modified
-// an AIDL interface in a backward-incompatible way, e.g., deleting a function
-// from an interface or a field from a parcelable and it broke the build. That
-// breakage is intended.
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
 //
-// You must not make a backward incompatible changes to the AIDL files built
+// You must not make a backward incompatible change to any AIDL file built
 // with the aidl_interface module type with versions property set. The module
 // type is used to build AIDL files in a way that they can be used across
 // independently updatable components of the system. If a device is shipped
@@ -22,4 +38,5 @@
   String[] deviceAddressesToDuck;
   String[] deviceAddressesToUnduck;
   String[] usagesHoldingFocus;
+  @nullable android.hardware.audio.common.PlaybackTrackMetadata[] playbackMetaDataHoldingFocus;
 }
diff --git a/automotive/audiocontrol/aidl/aidl_api/android.hardware.automotive.audiocontrol/current/android/hardware/automotive/audiocontrol/IAudioControl.aidl b/automotive/audiocontrol/aidl/aidl_api/android.hardware.automotive.audiocontrol/current/android/hardware/automotive/audiocontrol/IAudioControl.aidl
index bc4162b..8dc5ffe 100644
--- a/automotive/audiocontrol/aidl/aidl_api/android.hardware.automotive.audiocontrol/current/android/hardware/automotive/audiocontrol/IAudioControl.aidl
+++ b/automotive/audiocontrol/aidl/aidl_api/android.hardware.automotive.audiocontrol/current/android/hardware/automotive/audiocontrol/IAudioControl.aidl
@@ -1,14 +1,30 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 ///////////////////////////////////////////////////////////////////////////////
 // THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
 ///////////////////////////////////////////////////////////////////////////////
 
-// This file is a snapshot of an AIDL interface (or parcelable). Do not try to
-// edit this file. It looks like you are doing that because you have modified
-// an AIDL interface in a backward-incompatible way, e.g., deleting a function
-// from an interface or a field from a parcelable and it broke the build. That
-// breakage is intended.
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
 //
-// You must not make a backward incompatible changes to the AIDL files built
+// You must not make a backward incompatible change to any AIDL file built
 // with the aidl_interface module type with versions property set. The module
 // type is used to build AIDL files in a way that they can be used across
 // independently updatable components of the system. If a device is shipped
@@ -18,10 +34,16 @@
 package android.hardware.automotive.audiocontrol;
 @VintfStability
 interface IAudioControl {
+  /**
+   * @deprecated use {@link android.hardware.audio.common.PlaybackTrackMetadata} instead.
+   */
   oneway void onAudioFocusChange(in String usage, in int zoneId, in android.hardware.automotive.audiocontrol.AudioFocusChange focusChange);
   oneway void onDevicesToDuckChange(in android.hardware.automotive.audiocontrol.DuckingInfo[] duckingInfos);
   oneway void onDevicesToMuteChange(in android.hardware.automotive.audiocontrol.MutingInfo[] mutingInfos);
   oneway void registerFocusListener(in android.hardware.automotive.audiocontrol.IFocusListener listener);
   oneway void setBalanceTowardRight(in float value);
   oneway void setFadeTowardFront(in float value);
+  oneway void onAudioFocusChangeWithMetaData(in android.hardware.audio.common.PlaybackTrackMetadata playbackMetaData, in int zoneId, in android.hardware.automotive.audiocontrol.AudioFocusChange focusChange);
+  oneway void setAudioDeviceGainsChanged(in android.hardware.automotive.audiocontrol.Reasons[] reasons, in android.hardware.automotive.audiocontrol.AudioGainConfigInfo[] gains);
+  oneway void registerGainCallback(in android.hardware.automotive.audiocontrol.IAudioGainCallback callback);
 }
diff --git a/drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/ICryptoFactory.aidl b/automotive/audiocontrol/aidl/aidl_api/android.hardware.automotive.audiocontrol/current/android/hardware/automotive/audiocontrol/IAudioGainCallback.aidl
similarity index 83%
rename from drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/ICryptoFactory.aidl
rename to automotive/audiocontrol/aidl/aidl_api/android.hardware.automotive.audiocontrol/current/android/hardware/automotive/audiocontrol/IAudioGainCallback.aidl
index 0d4296e..17a087f 100644
--- a/drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/ICryptoFactory.aidl
+++ b/automotive/audiocontrol/aidl/aidl_api/android.hardware.automotive.audiocontrol/current/android/hardware/automotive/audiocontrol/IAudioGainCallback.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 +31,8 @@
 // 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.drm;
+package android.hardware.automotive.audiocontrol;
 @VintfStability
-interface ICryptoFactory {
-  @nullable android.hardware.drm.ICryptoPlugin createPlugin(in android.hardware.drm.Uuid uuid, in byte[] initData);
-  boolean isCryptoSchemeSupported(in android.hardware.drm.Uuid uuid);
+interface IAudioGainCallback {
+  oneway void onAudioDeviceGainsChanged(in android.hardware.automotive.audiocontrol.Reasons[] reasons, in android.hardware.automotive.audiocontrol.AudioGainConfigInfo[] gains);
 }
diff --git a/automotive/audiocontrol/aidl/aidl_api/android.hardware.automotive.audiocontrol/current/android/hardware/automotive/audiocontrol/IFocusListener.aidl b/automotive/audiocontrol/aidl/aidl_api/android.hardware.automotive.audiocontrol/current/android/hardware/automotive/audiocontrol/IFocusListener.aidl
index f00f042..3e17552 100644
--- a/automotive/audiocontrol/aidl/aidl_api/android.hardware.automotive.audiocontrol/current/android/hardware/automotive/audiocontrol/IFocusListener.aidl
+++ b/automotive/audiocontrol/aidl/aidl_api/android.hardware.automotive.audiocontrol/current/android/hardware/automotive/audiocontrol/IFocusListener.aidl
@@ -1,14 +1,30 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 ///////////////////////////////////////////////////////////////////////////////
 // THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
 ///////////////////////////////////////////////////////////////////////////////
 
-// This file is a snapshot of an AIDL interface (or parcelable). Do not try to
-// edit this file. It looks like you are doing that because you have modified
-// an AIDL interface in a backward-incompatible way, e.g., deleting a function
-// from an interface or a field from a parcelable and it broke the build. That
-// breakage is intended.
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
 //
-// You must not make a backward incompatible changes to the AIDL files built
+// You must not make a backward incompatible change to any AIDL file built
 // with the aidl_interface module type with versions property set. The module
 // type is used to build AIDL files in a way that they can be used across
 // independently updatable components of the system. If a device is shipped
@@ -20,4 +36,6 @@
 interface IFocusListener {
   oneway void abandonAudioFocus(in String usage, in int zoneId);
   oneway void requestAudioFocus(in String usage, in int zoneId, in android.hardware.automotive.audiocontrol.AudioFocusChange focusGain);
+  oneway void abandonAudioFocusWithMetaData(in android.hardware.audio.common.PlaybackTrackMetadata playbackMetaData, in int zoneId);
+  oneway void requestAudioFocusWithMetaData(in android.hardware.audio.common.PlaybackTrackMetadata playbackMetaData, in int zoneId, in android.hardware.automotive.audiocontrol.AudioFocusChange focusGain);
 }
diff --git a/automotive/audiocontrol/aidl/aidl_api/android.hardware.automotive.audiocontrol/current/android/hardware/automotive/audiocontrol/MutingInfo.aidl b/automotive/audiocontrol/aidl/aidl_api/android.hardware.automotive.audiocontrol/current/android/hardware/automotive/audiocontrol/MutingInfo.aidl
index ab902ec..b25ed0f 100644
--- a/automotive/audiocontrol/aidl/aidl_api/android.hardware.automotive.audiocontrol/current/android/hardware/automotive/audiocontrol/MutingInfo.aidl
+++ b/automotive/audiocontrol/aidl/aidl_api/android.hardware.automotive.audiocontrol/current/android/hardware/automotive/audiocontrol/MutingInfo.aidl
@@ -1,14 +1,30 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 ///////////////////////////////////////////////////////////////////////////////
 // THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
 ///////////////////////////////////////////////////////////////////////////////
 
-// This file is a snapshot of an AIDL interface (or parcelable). Do not try to
-// edit this file. It looks like you are doing that because you have modified
-// an AIDL interface in a backward-incompatible way, e.g., deleting a function
-// from an interface or a field from a parcelable and it broke the build. That
-// breakage is intended.
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
 //
-// You must not make a backward incompatible changes to the AIDL files built
+// You must not make a backward incompatible change to any AIDL file built
 // with the aidl_interface module type with versions property set. The module
 // type is used to build AIDL files in a way that they can be used across
 // independently updatable components of the system. If a device is shipped
diff --git a/drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/BufferType.aidl b/automotive/audiocontrol/aidl/aidl_api/android.hardware.automotive.audiocontrol/current/android/hardware/automotive/audiocontrol/Reasons.aidl
similarity index 81%
copy from drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/BufferType.aidl
copy to automotive/audiocontrol/aidl/aidl_api/android.hardware.automotive.audiocontrol/current/android/hardware/automotive/audiocontrol/Reasons.aidl
index b6ec34d..c1e22d4 100644
--- a/drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/BufferType.aidl
+++ b/automotive/audiocontrol/aidl/aidl_api/android.hardware.automotive.audiocontrol/current/android/hardware/automotive/audiocontrol/Reasons.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 +31,17 @@
 // 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.drm;
+package android.hardware.automotive.audiocontrol;
 @Backing(type="int") @VintfStability
-enum BufferType {
-  SHARED_MEMORY = 0,
-  NATIVE_HANDLE = 1,
+enum Reasons {
+  FORCED_MASTER_MUTE = 1,
+  REMOTE_MUTE = 2,
+  TCU_MUTE = 4,
+  ADAS_DUCKING = 8,
+  NAV_DUCKING = 16,
+  PROJECTION_DUCKING = 32,
+  THERMAL_LIMITATION = 64,
+  SUSPEND_EXIT_VOL_LIMITATION = 128,
+  EXTERNAL_AMP_VOL_FEEDBACK = 256,
+  OTHER = -2147483648,
 }
diff --git a/automotive/audiocontrol/aidl/android/hardware/automotive/audiocontrol/AudioGainConfigInfo.aidl b/automotive/audiocontrol/aidl/android/hardware/automotive/audiocontrol/AudioGainConfigInfo.aidl
new file mode 100644
index 0000000..68bfeab
--- /dev/null
+++ b/automotive/audiocontrol/aidl/android/hardware/automotive/audiocontrol/AudioGainConfigInfo.aidl
@@ -0,0 +1,49 @@
+/*
+ * 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.automotive.audiocontrol;
+
+/**
+ * NOTE:
+ * Was expecting to reuse android.media.audio types... Limit info to minimum to prevent
+ * duplicating aidl_api. Will follow up if AudioGainConfig is exposed by android.media AIDL API.
+ */
+@VintfStability
+parcelable AudioGainConfigInfo {
+    /**
+     * The identifier for the audio zone the audio device port associated to this gain belongs to.
+     *
+     */
+    int zoneId;
+
+    /**
+     * The Audio Output Device Port Address.
+     *
+     * This is the address that can be retrieved at JAVA layer using the introspection
+     * {@link android.media.AudioManager#listAudioDevicePorts} API then
+     * {@link audio.media.AudioDeviceInfo#getAddress} API.
+     *
+     * At HAL layer, it corresponds to audio_port_v7.audio_port_device_ext.address.
+     *
+     * Devices that does not have an address will indicate an empty string "".
+     */
+    String devicePortAddress;
+
+    /**
+     * UI Index of the corresponding AudioGain in AudioPort.gains.
+     */
+    int volumeIndex;
+}
diff --git a/automotive/audiocontrol/aidl/android/hardware/automotive/audiocontrol/DuckingInfo.aidl b/automotive/audiocontrol/aidl/android/hardware/automotive/audiocontrol/DuckingInfo.aidl
index e95fe9b..513af47 100644
--- a/automotive/audiocontrol/aidl/android/hardware/automotive/audiocontrol/DuckingInfo.aidl
+++ b/automotive/audiocontrol/aidl/android/hardware/automotive/audiocontrol/DuckingInfo.aidl
@@ -14,41 +14,51 @@
  * limitations under the License.
  */
 
- package android.hardware.automotive.audiocontrol;
+package android.hardware.automotive.audiocontrol;
 
- /**
-  * The current ducking information for a single audio zone.
-  *
-  * <p>This includes devices to duck, as well as unduck based on the contents of a previous
-  * {@link DuckingInfo}. Additionally, the current usages holding focus in the specified zone are
-  * included, which were used to determine which addresses to duck.
-  */
- @VintfStability
- parcelable DuckingInfo {
-     /**
-      * ID of the associated audio zone
-      */
-     int zoneId;
+import android.hardware.audio.common.PlaybackTrackMetadata;
 
-     /**
-      * List of addresses for audio output devices that should be ducked.
-      *
-      * <p>The provided address strings are defined in audio_policy_configuration.xml.
-      */
-     String[] deviceAddressesToDuck;
+/**
+ * The current ducking information for a single audio zone.
+ *
+ * <p>This includes devices to duck, as well as unduck based on the contents of a previous
+ * {@link DuckingInfo}. Additionally, the current usages holding focus in the specified zone are
+ * included, which were used to determine which addresses to duck.
+ */
+@VintfStability
+parcelable DuckingInfo {
+    /**
+     * ID of the associated audio zone
+     */
+    int zoneId;
 
-     /**
-      * List of addresses for audio output devices that were previously be ducked and should now be
-      * unducked.
-      *
-      * <p>The provided address strings are defined in audio_policy_configuration.xml.
-      */
-     String[] deviceAddressesToUnduck;
+    /**
+     * List of addresses for audio output devices that should be ducked.
+     *
+     * <p>The provided address strings are defined in audio_policy_configuration.xml.
+     */
+    String[] deviceAddressesToDuck;
 
-     /**
-      * List of usages currently holding focus for this audio zone.
-      *
-      * <p> See {@code audioUsage} in audio_policy_configuration.xsd for the list of allowed values.
-      */
-     String[] usagesHoldingFocus;
- }
\ No newline at end of file
+    /**
+     * List of addresses for audio output devices that were previously be ducked and should now be
+     * unducked.
+     *
+     * <p>The provided address strings are defined in audio_policy_configuration.xml.
+     */
+    String[] deviceAddressesToUnduck;
+
+    /**
+     * List of usages currently holding focus for this audio zone.
+     *
+     * This field was deprecated in version 2.
+     * Use playbackMetaDataHoldingFocus instead.
+     *
+     * <p> See {@code audioUsage} in audio_policy_configuration.xsd for the list of allowed values.
+     */
+    String[] usagesHoldingFocus;
+
+    /**
+     *  List of output stream metadata associated with the current focus holder for this audio zone
+     */
+    @nullable PlaybackTrackMetadata[] playbackMetaDataHoldingFocus;
+}
diff --git a/automotive/audiocontrol/aidl/android/hardware/automotive/audiocontrol/IAudioControl.aidl b/automotive/audiocontrol/aidl/android/hardware/automotive/audiocontrol/IAudioControl.aidl
index 3a02245..0ffcd5e 100644
--- a/automotive/audiocontrol/aidl/android/hardware/automotive/audiocontrol/IAudioControl.aidl
+++ b/automotive/audiocontrol/aidl/android/hardware/automotive/audiocontrol/IAudioControl.aidl
@@ -16,10 +16,43 @@
 
 package android.hardware.automotive.audiocontrol;
 
+/**
+ * Important note on Metadata:
+ * Metadata qualifies a playback track for an output stream.
+ * This is highly closed to {@link android.media.AudioAttributes}.
+ * It allows to identify the audio stream rendered / requesting / abandonning the focus.
+ *
+ * AudioControl 1.0 was limited to identification through {@code AttributeUsage} listed as
+ * {@code audioUsage} in audio_policy_configuration.xsd.
+ *
+ * Any new OEM needs would not be possible without extension.
+ *
+ * Relying on {@link android.hardware.automotive.audiocontrol.PlaybackTrackMetadata} allows
+ * to use a combination of {@code AttributeUsage}, {@code AttributeContentType} and
+ * {@code AttributeTags} to identify the use case / routing thanks to
+ * {@link android.media.audiopolicy.AudioProductStrategy}.
+ * The belonging to a strategy is deduced by an AOSP logic (in sync at native and java layer).
+ *
+ * IMPORTANT NOTE ON TAGS:
+ * To limit the possibilies and prevent from confusion, we expect the String to follow
+ * a given formalism that will be enforced.
+ *
+ * 1 / By convention, tags shall be a "key=value" pair.
+ * Vendor must namespace their tag's key (for example com.google.strategy=VR) to avoid conflicts.
+ * vendor specific applications and must be prefixed by "VX_". Vendor must
+ *
+ * 2 / Tags reported here shall be the same as the tags used to define a given
+ * {@link android.media.audiopolicy.AudioProductStrategy} and so in
+ * audio_policy_engine_configuration.xml file.
+ */
+import android.hardware.audio.common.PlaybackTrackMetadata;
 import android.hardware.automotive.audiocontrol.AudioFocusChange;
+import android.hardware.automotive.audiocontrol.AudioGainConfigInfo;
 import android.hardware.automotive.audiocontrol.DuckingInfo;
-import android.hardware.automotive.audiocontrol.MutingInfo;
+import android.hardware.automotive.audiocontrol.IAudioGainCallback;
 import android.hardware.automotive.audiocontrol.IFocusListener;
+import android.hardware.automotive.audiocontrol.MutingInfo;
+import android.hardware.automotive.audiocontrol.Reasons;
 
 /**
  * Interacts with the car's audio subsystem to manage audio sources and volumes
@@ -36,8 +69,12 @@
      * The HAL is not required to wait for an callback of AUDIOFOCUS_GAIN before playing audio, nor
      * is it required to stop playing audio in the event of a AUDIOFOCUS_LOSS callback is received.
      *
+     * This method was deprecated in version 2 to allow getting rid of usages limitation.
+     * Use {@link IAudioControl#onAudioFocusChangeWithMetaData} instead.
+     *
      * @param usage The audio usage associated with the focus change {@code AttributeUsage}. See
      * {@code audioUsage} in audio_policy_configuration.xsd for the list of allowed values.
+     * @deprecated use {@link android.hardware.audio.common.PlaybackTrackMetadata} instead.
      * @param zoneId The identifier for the audio zone that the HAL is playing the stream in
      * @param focusChange the AudioFocusChange that has occurred.
      */
@@ -52,19 +89,19 @@
      * @param duckingInfos an array of {@link DuckingInfo} objects for the audio zones where audio
      * focus has changed.
      */
-     oneway void onDevicesToDuckChange(in DuckingInfo[] duckingInfos);
+    oneway void onDevicesToDuckChange(in DuckingInfo[] duckingInfos);
 
-     /**
-      * Notifies HAL of changes in output devices that the HAL should apply muting to.
-      *
-      * This will be called in response to changes in audio mute state for each volume group
-      * and will include a {@link MutingInfo} object per audio zone that experienced a mute state
-      * event.
-      *
-      * @param mutingInfos an array of {@link MutingInfo} objects for the audio zones where audio
-      * mute state has changed.
-      */
-     oneway void onDevicesToMuteChange(in MutingInfo[] mutingInfos);
+    /**
+     * Notifies HAL of changes in output devices that the HAL should apply muting to.
+     *
+     * This will be called in response to changes in audio mute state for each volume group
+     * and will include a {@link MutingInfo} object per audio zone that experienced a mute state
+     * event.
+     *
+     * @param mutingInfos an array of {@link MutingInfo} objects for the audio zones where audio
+     * mute state has changed.
+     */
+    oneway void onDevicesToMuteChange(in MutingInfo[] mutingInfos);
 
     /**
      * Registers focus listener to be used by HAL for requesting and abandoning audio focus.
@@ -99,4 +136,51 @@
      * range.
      */
     oneway void setFadeTowardFront(in float value);
-}
\ No newline at end of file
+
+    /**
+     * Notifies HAL of changes in audio focus status for focuses requested or abandoned by the HAL.
+     *
+     * This will be called in response to IFocusListener's requestAudioFocus and
+     * abandonAudioFocus, as well as part of any change in focus being held by the HAL due focus
+     * request from other activities or services.
+     *
+     * The HAL is not required to wait for an callback of AUDIOFOCUS_GAIN before playing audio, nor
+     * is it required to stop playing audio in the event of a AUDIOFOCUS_LOSS callback is received.
+     *
+     * @param playbackMetaData The output stream metadata associated with the focus request
+     * @param zoneId The identifier for the audio zone that the HAL is playing the stream in
+     * @param focusChange the AudioFocusChange that has occurred.
+     */
+    oneway void onAudioFocusChangeWithMetaData(in PlaybackTrackMetadata playbackMetaData,
+            in int zoneId, in AudioFocusChange focusChange);
+
+    /**
+     * Notifies HAL of changes in output devices that the HAL should apply gain change to
+     * and the reason(s) why
+     *
+     * This may be called in response to changes in audio focus, and will include a list of
+     * {@link android.hardware.automotive.audiocontrol.AudioGainConfigInfo} objects per audio zone
+     * that experienced a change in audo focus.
+     *
+     * @param reasons List of reasons that triggered the given gains changed.
+     *                This must be one or more of the
+     *                {@link android.hardware.automotive.audiocontrol.Reasons} constants.
+     *
+     * @param gains List of gains the change is intended to.
+     */
+    oneway void setAudioDeviceGainsChanged(in Reasons[] reasons, in AudioGainConfigInfo[] gains);
+
+    /**
+     * Registers callback to be used by HAL for reporting unexpected gain(s) changed and the
+     * reason(s) why.
+     *
+     * It is expected that there will only ever be a single callback registered. If the
+     * observer dies, the HAL implementation must unregister observer automatically. If called when
+     * a listener is already registered, the existing one should be unregistered and replaced with
+     * the new callback.
+     *
+     * @param callback The {@link android.hardware.automotive.audiocontrol.IAudioGainCallback}
+     *                 interface.
+     */
+    oneway void registerGainCallback(in IAudioGainCallback callback);
+}
diff --git a/automotive/audiocontrol/aidl/android/hardware/automotive/audiocontrol/IAudioGainCallback.aidl b/automotive/audiocontrol/aidl/android/hardware/automotive/audiocontrol/IAudioGainCallback.aidl
new file mode 100644
index 0000000..17b4341
--- /dev/null
+++ b/automotive/audiocontrol/aidl/android/hardware/automotive/audiocontrol/IAudioGainCallback.aidl
@@ -0,0 +1,65 @@
+/*
+ * 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.automotive.audiocontrol;
+
+import android.hardware.automotive.audiocontrol.AudioGainConfigInfo;
+import android.hardware.automotive.audiocontrol.Reasons;
+
+/**
+ * Interface definition for a callback to be invoked when the gain(s) of the device port(s) is(are)
+ * updated at HAL layer.
+ *
+ * <p>This defines counter part API of
+ * {@link android.hardware.automotive.audiocontrol.IAudioControl#onDevicesToDuckChange},
+ * {@link android.hardware.automotive.audiocontrol.IAudioControl#onDevicesToMuteChange} and
+ * {@link android.hardware.automotive.audiocontrol.IAudioControl#setAudioDeviceGainsChanged} APIs.
+ *
+ * The previous API defines Mute/Duck order decided by the client (e.g. CarAudioService)
+ * and delegated to AudioControl for application.
+ *
+ * This callback interface defines Mute/Duck notification decided by AudioControl HAL (due to
+ * e.g. - external conditions from Android IVI subsystem
+ *      - regulation / need faster decision rather than using
+ *        {@link android.hardware.automotive.audiocontrol.IAudioControl#onAudioFocusChange} to
+ *        report the use case and then waiting for CarAudioService decision to Mute/Duck.
+ */
+@VintfStability
+oneway interface IAudioGainCallback {
+    /**
+     * Used to indicated the one or more audio device port gains have changed unexpectidely, i.e.
+     * initiated by HAL, not by CarAudioService.
+     * This is the counter part of the
+     *      {@link android.hardware.automotive.audiocontrol.onDevicesToDuckChange},
+     *      {@link android.hardware.automotive.audiocontrol.onDevicesToMuteChange} and
+     *      {@link android.hardware.automotive.audiocontrol.setAudioDeviceGainsChanged} APIs.
+     *
+     * Flexibility is given to OEM to mute/duck in HAL or in CarAudioService.
+     * For critical use cases (i.e. when regulation is required), better to handle mute/duck in
+     * HAL layer and informs upper layer.
+     * Non critical use case may report gain and focus and CarAudioService to decide of duck/mute.
+     *
+     * @param reasons List of reasons that triggered the given gains changed.
+     *                This must be one or more of the
+     *                {@link android.hardware.automotive.audiocontrol.Reasons} constants.
+     *                It will define if the port has been muted/ducked or must now affected
+     *                by gain limitation that shall be notified/enforced at CarAudioService
+     *                layer.
+     *
+     * @param gains List of gains affected by the change.
+     */
+    void onAudioDeviceGainsChanged(in Reasons[] reasons, in AudioGainConfigInfo[] gains);
+}
diff --git a/automotive/audiocontrol/aidl/android/hardware/automotive/audiocontrol/IFocusListener.aidl b/automotive/audiocontrol/aidl/android/hardware/automotive/audiocontrol/IFocusListener.aidl
index b79295a..ac9ac01 100644
--- a/automotive/audiocontrol/aidl/android/hardware/automotive/audiocontrol/IFocusListener.aidl
+++ b/automotive/audiocontrol/aidl/android/hardware/automotive/audiocontrol/IFocusListener.aidl
@@ -16,12 +16,14 @@
 
 package android.hardware.automotive.audiocontrol;
 
+import android.hardware.audio.common.PlaybackTrackMetadata;
 import android.hardware.automotive.audiocontrol.AudioFocusChange;
 
 /**
  * Callback interface for audio focus listener.
  *
  * For typical configuration, the listener the car audio service.
+ *
  */
 @VintfStability
 interface IFocusListener {
@@ -33,6 +35,9 @@
      * interaction is oneway to avoid blocking HAL so that it is not required to wait for a response
      * before stopping audio playback.
      *
+     * Deprecated in version 2 to allow generic interface callback listener.
+     * Use {@link IFocusListener#abandonHalAudioFocusWithMetaData} instead.
+     *
      * @param usage The audio usage for which the HAL is abandoning focus {@code AttributeUsage}.
      * See {@code audioUsage} in audio_policy_configuration.xsd for the list of allowed values.
      * @param zoneId The identifier for the audio zone that the HAL abandoning focus
@@ -47,6 +52,9 @@
      * interaction is oneway to avoid blocking HAL so that it is not required to wait for a response
      * before playing audio.
      *
+     * Deprecated in version 2 to allow generic interface callback listener.
+     * Use {@link IFocusListener#requestAudioFocusWithMetaData} instead.
+     *
      * @param usage The audio usage associated with the focus request {@code AttributeUsage}. See
      * {@code audioUsage} in audio_policy_configuration.xsd for the list of allowed values.
      * @param zoneId The identifier for the audio zone where the HAL is requesting focus
@@ -54,4 +62,29 @@
      * following: GAIN, GAIN_TRANSIENT, GAIN_TRANSIENT_MAY_DUCK, GAIN_TRANSIENT_EXCLUSIVE.
      */
     oneway void requestAudioFocus(in String usage, in int zoneId, in AudioFocusChange focusGain);
-}
\ No newline at end of file
+
+    /**
+     * Used to indicate that the audio output stream associated with
+     * {@link android.hardware.audio.common.PlaybackTrackMetadata} has released
+     * the focus.
+     *
+     * @param playbackMetaData The output stream metadata associated with the focus request
+     * @param zoneId The identifier for the audio zone that the HAL abandoning focus
+     */
+    oneway void abandonAudioFocusWithMetaData(
+            in PlaybackTrackMetadata playbackMetaData, in int zoneId);
+
+    /**
+     * Used to indicate that the audio output stream associated with
+     * {@link android.hardware.audio.common.PlaybackTrackMetadata} has taken the focus.
+     *
+     * @param playbackMetaData The output stream metadata associated with the focus request
+     * @param zoneId The identifier for the audio zone that the HAL abandoning focus
+     * @param focusGain The focus type requested.
+     *                  This must be one of the
+     *                  {@link android.hardware.automotive.audiocontrol.AudioFocusChange}
+     *                  constants.
+     */
+    oneway void requestAudioFocusWithMetaData(in PlaybackTrackMetadata playbackMetaData,
+            in int zoneId, in AudioFocusChange focusGain);
+}
diff --git a/automotive/audiocontrol/aidl/android/hardware/automotive/audiocontrol/Reasons.aidl b/automotive/audiocontrol/aidl/android/hardware/automotive/audiocontrol/Reasons.aidl
new file mode 100644
index 0000000..860bf01
--- /dev/null
+++ b/automotive/audiocontrol/aidl/android/hardware/automotive/audiocontrol/Reasons.aidl
@@ -0,0 +1,85 @@
+/*
+ * 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.automotive.audiocontrol;
+
+/**
+ * Enum to identify the reason(s) of
+ * {@link android.hardware.automotive.audiocontrol.AudioGainConfigInfo} changed event
+ */
+@Backing(type="int")
+@VintfStability
+enum Reasons {
+    /**
+     * Magic Key Code (may be SWRC button combination) to force muting all audio sources.
+     * This may be used for example in case of cyber attach to ensure driver can safely drive back
+     * to garage to restore sw.
+     */
+    FORCED_MASTER_MUTE = 0x1,
+    /**
+     * Reports a mute request outside the IVI (Android) system.
+     * It may target to mute the list of
+     * {@link android.hardware.automotive.audiocontrol.AudioGainConfigInfo}.
+     * A focus request may also be reported in addition if the use case that initiates the mute
+     * has matching {@link android.hardware.automotive.audiocontrol.PlaybackTrackMetadata}
+     * For regulation issue, the action of mute could be managed by HAL itself.
+     */
+    REMOTE_MUTE = 0x2,
+    /**
+     * Reports a mute initiated by the TCU. It may be applied to all audio source (no
+     * associated {@link android.hardware.automotive.audiocontrol.AudioGainConfigInfo} reported, or
+     * it may target to mute only the given list of ports.
+     * A focus request may also be reported in addition.
+     * For regulation issue, the action of mute could be managed by HAL itself.
+     */
+    TCU_MUTE = 0x4,
+    /**
+     * Reports a duck due to ADAS use case. A focus request may also be reported in addition.
+     * For regulation issue, the action of duck could be managed by HAL itself.
+     * It gives a chance to CarAudioService to decide whether contextual volume change may be
+     * applied from the ducked index base or not.
+     */
+    ADAS_DUCKING = 0x8,
+    /**
+     * Reports a duck due to navigation use case. It gives a chance to CarAudioService to decide
+     * whether contextual volume change may be applied from the ducked index base or not.
+     */
+    NAV_DUCKING = 0x10,
+    /**
+     * Some device projection stack may send signal to IVI to duck / unduck main audio stream.
+     * In this case, Contextual Volume Policy may be adapted to control the alternate / secondary
+     * audio stream.
+     */
+    PROJECTION_DUCKING = 0x20,
+    /**
+     * When the amplifier is overheating, it may be recovered by limiting the volume.
+     */
+    THERMAL_LIMITATION = 0x40,
+    /**
+     * Before the system enters suspend, it may ensure while exiting suspend or during cold boot
+     * that the volume is limited to prevent from sound explosion.
+     */
+    SUSPEND_EXIT_VOL_LIMITATION = 0x80,
+    /**
+     * When using an external amplifier, it may be required to keep volume in sync and have
+     * asynchronous notification of effective volume change.
+     */
+    EXTERNAL_AMP_VOL_FEEDBACK = 0x100,
+    /**
+     * For other OEM use.
+     */
+    OTHER = 0x80000000,
+}
diff --git a/automotive/evs/aidl/aidl_api/android.hardware.automotive.evs/current/android/hardware/automotive/evs/Stream.aidl b/automotive/evs/aidl/aidl_api/android.hardware.automotive.evs/current/android/hardware/automotive/evs/Stream.aidl
index a780412..154a693 100644
--- a/automotive/evs/aidl/aidl_api/android.hardware.automotive.evs/current/android/hardware/automotive/evs/Stream.aidl
+++ b/automotive/evs/aidl/aidl_api/android.hardware.automotive.evs/current/android/hardware/automotive/evs/Stream.aidl
@@ -38,6 +38,7 @@
   android.hardware.automotive.evs.StreamType streamType;
   int width;
   int height;
+  int framerate;
   android.hardware.graphics.common.PixelFormat format;
   android.hardware.graphics.common.BufferUsage usage;
   android.hardware.automotive.evs.Rotation rotation;
diff --git a/automotive/evs/aidl/android/hardware/automotive/evs/Stream.aidl b/automotive/evs/aidl/android/hardware/automotive/evs/Stream.aidl
index ae5c7f0..663ba22 100644
--- a/automotive/evs/aidl/android/hardware/automotive/evs/Stream.aidl
+++ b/automotive/evs/aidl/android/hardware/automotive/evs/Stream.aidl
@@ -55,7 +55,7 @@
     int height;
     /**
      * The frame rate of this stream in frames-per-second
-     /
+     */
     int framerate;
     /**
      * The pixel format form the buffers in this stream.
diff --git a/automotive/vehicle/aidl/aidl_test/Android.bp b/automotive/vehicle/aidl/aidl_test/Android.bp
index cb92c6b..5284a0a 100644
--- a/automotive/vehicle/aidl/aidl_test/Android.bp
+++ b/automotive/vehicle/aidl/aidl_test/Android.bp
@@ -26,7 +26,7 @@
         "libhidlbase",
     ],
     static_libs: [
-        "VehicleHalUtilsVendor",
+        "VehicleHalUtils",
         "android.hardware.automotive.vehicle@2.0",
         "libgtest",
         "libgmock",
diff --git a/automotive/vehicle/aidl/impl/Android.bp b/automotive/vehicle/aidl/impl/Android.bp
index 16b6fde..d24a739 100644
--- a/automotive/vehicle/aidl/impl/Android.bp
+++ b/automotive/vehicle/aidl/impl/Android.bp
@@ -21,7 +21,7 @@
 cc_defaults {
     name: "VehicleHalDefaults",
     static_libs: [
-        "android-automotive-large-parcelable-vendor-lib",
+        "android-automotive-large-parcelable-lib",
         "android.hardware.automotive.vehicle-V1-ndk",
         "libmath",
     ],
diff --git a/automotive/vehicle/aidl/impl/default_config/Android.bp b/automotive/vehicle/aidl/impl/default_config/Android.bp
index 7a98b64..0feaf23 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: ["VehicleHalUtilsVendor"],
+    static_libs: ["VehicleHalUtils"],
     header_libs: ["VehicleHalTestUtilHeaders"],
-    export_static_lib_headers: ["VehicleHalUtilsVendor"],
+    export_static_lib_headers: ["VehicleHalUtils"],
     export_header_lib_headers: ["VehicleHalTestUtilHeaders"],
 }
diff --git a/automotive/vehicle/aidl/impl/default_config/include/DefaultConfig.h b/automotive/vehicle/aidl/impl/default_config/include/DefaultConfig.h
index d2b69af..6ecac70 100644
--- a/automotive/vehicle/aidl/impl/default_config/include/DefaultConfig.h
+++ b/automotive/vehicle/aidl/impl/default_config/include/DefaultConfig.h
@@ -754,8 +754,7 @@
         {.config = {.prop = toInt(VehicleProperty::AP_POWER_STATE_REQ),
                     .access = VehiclePropertyAccess::READ,
                     .changeMode = VehiclePropertyChangeMode::ON_CHANGE,
-                    .configArray = {3}},
-         .initialValue = {.int32Values = {toInt(VehicleApPowerStateReq::ON), 0}}},
+                    .configArray = {3}}},
 
         {.config = {.prop = toInt(VehicleProperty::AP_POWER_STATE_REPORT),
                     .access = VehiclePropertyAccess::READ_WRITE,
diff --git a/automotive/vehicle/aidl/impl/default_config/test/Android.bp b/automotive/vehicle/aidl/impl/default_config/test/Android.bp
index 0c4a3a4..771472c 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: [
-        "VehicleHalUtilsVendor",
+        "VehicleHalUtils",
         "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 e6c4ee9..ab223d3 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: [
-        "VehicleHalUtilsVendor",
+        "VehicleHalUtils",
         "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 58f0e98..ac8db44 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: [
-        "VehicleHalUtilsVendor",
+        "VehicleHalUtils",
         "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 49f7671..dcd9208 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: [
-        "VehicleHalUtilsVendor",
+        "VehicleHalUtils",
         "FakeVehicleHalValueGenerators",
         "FakeObd2Frame",
         "FakeUserHal",
@@ -47,5 +47,5 @@
     shared_libs: [
         "libjsoncpp",
     ],
-    export_static_lib_headers: ["VehicleHalUtilsVendor"],
+    export_static_lib_headers: ["VehicleHalUtils"],
 }
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 9f679bc..90d1516 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: [
-        "VehicleHalUtilsVendor",
+        "VehicleHalUtils",
         "FakeVehicleHardware",
         "FakeVehicleHalValueGenerators",
         "FakeObd2Frame",
diff --git a/automotive/vehicle/aidl/impl/fake_impl/hardware/test/FakeVehicleHardwareTest.cpp b/automotive/vehicle/aidl/impl/fake_impl/hardware/test/FakeVehicleHardwareTest.cpp
index 0812c2a..3dae9fc 100644
--- a/automotive/vehicle/aidl/impl/fake_impl/hardware/test/FakeVehicleHardwareTest.cpp
+++ b/automotive/vehicle/aidl/impl/fake_impl/hardware/test/FakeVehicleHardwareTest.cpp
@@ -58,7 +58,6 @@
 using ::testing::ContainerEq;
 using ::testing::ContainsRegex;
 using ::testing::Eq;
-using ::testing::IsSubsetOf;
 using ::testing::WhenSortedBy;
 
 constexpr int INVALID_PROP_ID = 0;
@@ -635,16 +634,16 @@
                     .expectedValuesToGet =
                             {
                                     VehiclePropValue{
-                                            .prop = toInt(VehicleProperty::AP_POWER_STATE_REPORT),
-                                            .value.int32Values = {toInt(
-                                                    VehicleApPowerStateReport::DEEP_SLEEP_EXIT)},
-                                    },
-                                    VehiclePropValue{
                                             .prop = toInt(VehicleProperty::AP_POWER_STATE_REQ),
                                             .status = VehiclePropertyStatus::AVAILABLE,
                                             .value.int32Values = {toInt(VehicleApPowerStateReq::ON),
                                                                   0},
                                     },
+                                    VehiclePropValue{
+                                            .prop = toInt(VehicleProperty::AP_POWER_STATE_REPORT),
+                                            .value.int32Values = {toInt(
+                                                    VehicleApPowerStateReport::DEEP_SLEEP_EXIT)},
+                                    },
                             },
             },
             SetSpecialValueTestCase{
@@ -660,16 +659,16 @@
                     .expectedValuesToGet =
                             {
                                     VehiclePropValue{
-                                            .prop = toInt(VehicleProperty::AP_POWER_STATE_REPORT),
-                                            .value.int32Values = {toInt(
-                                                    VehicleApPowerStateReport::HIBERNATION_EXIT)},
-                                    },
-                                    VehiclePropValue{
                                             .prop = toInt(VehicleProperty::AP_POWER_STATE_REQ),
                                             .status = VehiclePropertyStatus::AVAILABLE,
                                             .value.int32Values = {toInt(VehicleApPowerStateReq::ON),
                                                                   0},
                                     },
+                                    VehiclePropValue{
+                                            .prop = toInt(VehicleProperty::AP_POWER_STATE_REPORT),
+                                            .value.int32Values = {toInt(
+                                                    VehicleApPowerStateReport::HIBERNATION_EXIT)},
+                                    },
                             },
             },
             SetSpecialValueTestCase{
@@ -685,16 +684,16 @@
                     .expectedValuesToGet =
                             {
                                     VehiclePropValue{
-                                            .prop = toInt(VehicleProperty::AP_POWER_STATE_REPORT),
-                                            .value.int32Values = {toInt(
-                                                    VehicleApPowerStateReport::SHUTDOWN_CANCELLED)},
-                                    },
-                                    VehiclePropValue{
                                             .prop = toInt(VehicleProperty::AP_POWER_STATE_REQ),
                                             .status = VehiclePropertyStatus::AVAILABLE,
                                             .value.int32Values = {toInt(VehicleApPowerStateReq::ON),
                                                                   0},
                                     },
+                                    VehiclePropValue{
+                                            .prop = toInt(VehicleProperty::AP_POWER_STATE_REPORT),
+                                            .value.int32Values = {toInt(
+                                                    VehicleApPowerStateReport::SHUTDOWN_CANCELLED)},
+                                    },
                             },
             },
             SetSpecialValueTestCase{
@@ -710,16 +709,16 @@
                     .expectedValuesToGet =
                             {
                                     VehiclePropValue{
-                                            .prop = toInt(VehicleProperty::AP_POWER_STATE_REPORT),
-                                            .value.int32Values = {toInt(
-                                                    VehicleApPowerStateReport::WAIT_FOR_VHAL)},
-                                    },
-                                    VehiclePropValue{
                                             .prop = toInt(VehicleProperty::AP_POWER_STATE_REQ),
                                             .status = VehiclePropertyStatus::AVAILABLE,
                                             .value.int32Values = {toInt(VehicleApPowerStateReq::ON),
                                                                   0},
                                     },
+                                    VehiclePropValue{
+                                            .prop = toInt(VehicleProperty::AP_POWER_STATE_REPORT),
+                                            .value.int32Values = {toInt(
+                                                    VehicleApPowerStateReport::WAIT_FOR_VHAL)},
+                                    },
                             },
             },
             SetSpecialValueTestCase{
@@ -735,16 +734,16 @@
                     .expectedValuesToGet =
                             {
                                     VehiclePropValue{
-                                            .prop = toInt(VehicleProperty::AP_POWER_STATE_REPORT),
-                                            .value.int32Values = {toInt(
-                                                    VehicleApPowerStateReport::DEEP_SLEEP_ENTRY)},
-                                    },
-                                    VehiclePropValue{
                                             .prop = toInt(VehicleProperty::AP_POWER_STATE_REQ),
                                             .status = VehiclePropertyStatus::AVAILABLE,
                                             .value.int32Values =
                                                     {toInt(VehicleApPowerStateReq::FINISHED), 0},
                                     },
+                                    VehiclePropValue{
+                                            .prop = toInt(VehicleProperty::AP_POWER_STATE_REPORT),
+                                            .value.int32Values = {toInt(
+                                                    VehicleApPowerStateReport::DEEP_SLEEP_ENTRY)},
+                                    },
                             },
             },
             SetSpecialValueTestCase{
@@ -760,16 +759,16 @@
                     .expectedValuesToGet =
                             {
                                     VehiclePropValue{
-                                            .prop = toInt(VehicleProperty::AP_POWER_STATE_REPORT),
-                                            .value.int32Values = {toInt(
-                                                    VehicleApPowerStateReport::HIBERNATION_ENTRY)},
-                                    },
-                                    VehiclePropValue{
                                             .prop = toInt(VehicleProperty::AP_POWER_STATE_REQ),
                                             .status = VehiclePropertyStatus::AVAILABLE,
                                             .value.int32Values =
                                                     {toInt(VehicleApPowerStateReq::FINISHED), 0},
                                     },
+                                    VehiclePropValue{
+                                            .prop = toInt(VehicleProperty::AP_POWER_STATE_REPORT),
+                                            .value.int32Values = {toInt(
+                                                    VehicleApPowerStateReport::HIBERNATION_ENTRY)},
+                                    },
                             },
             },
             SetSpecialValueTestCase{
@@ -785,16 +784,16 @@
                     .expectedValuesToGet =
                             {
                                     VehiclePropValue{
-                                            .prop = toInt(VehicleProperty::AP_POWER_STATE_REPORT),
-                                            .value.int32Values = {toInt(
-                                                    VehicleApPowerStateReport::SHUTDOWN_START)},
-                                    },
-                                    VehiclePropValue{
                                             .prop = toInt(VehicleProperty::AP_POWER_STATE_REQ),
                                             .status = VehiclePropertyStatus::AVAILABLE,
                                             .value.int32Values =
                                                     {toInt(VehicleApPowerStateReq::FINISHED), 0},
                                     },
+                                    VehiclePropValue{
+                                            .prop = toInt(VehicleProperty::AP_POWER_STATE_REPORT),
+                                            .value.int32Values = {toInt(
+                                                    VehicleApPowerStateReport::SHUTDOWN_START)},
+                                    },
                             },
             },
             SetSpecialValueTestCase{
@@ -915,7 +914,7 @@
     // Some of the updated properties might be the same as default config, thus not causing
     // a property change event. So the changed properties should be a subset of all the updated
     // properties.
-    ASSERT_THAT(getChangedProperties(), WhenSortedBy(mPropValueCmp, IsSubsetOf(gotValues)));
+    ASSERT_THAT(getChangedProperties(), WhenSortedBy(mPropValueCmp, Eq(gotValues)));
 }
 
 INSTANTIATE_TEST_SUITE_P(
diff --git a/automotive/vehicle/aidl/impl/fake_impl/obd2frame/Android.bp b/automotive/vehicle/aidl/impl/fake_impl/obd2frame/Android.bp
index c21ad53..c1cee84 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: [
-        "VehicleHalUtilsVendor",
+        "VehicleHalUtils",
     ],
-    export_static_lib_headers: ["VehicleHalUtilsVendor"],
+    export_static_lib_headers: ["VehicleHalUtils"],
 }
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 a16185b..55b8c93 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",
-        "VehicleHalUtilsVendor",
+        "VehicleHalUtils",
     ],
     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 1689102..2e95531 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: [
-        "VehicleHalUtilsVendor",
+        "VehicleHalUtils",
     ],
-    export_static_lib_headers: ["VehicleHalUtilsVendor"],
+    export_static_lib_headers: ["VehicleHalUtils"],
 }
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 1471ea6..7d0a534 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",
-        "VehicleHalUtilsVendor",
+        "VehicleHalUtils",
         "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 6209880..7670c25 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",
-        "VehicleHalUtilsVendor",
+        "VehicleHalUtils",
     ],
     defaults: ["VehicleHalDefaults"],
-    export_static_lib_headers: ["VehicleHalUtilsVendor"],
+    export_static_lib_headers: ["VehicleHalUtils"],
 }
 
 cc_test {
@@ -51,7 +51,7 @@
     static_libs: [
         "VehicleHalProtoMessageConverter",
         "VehicleHalProtos",
-        "VehicleHalUtilsVendor",
+        "VehicleHalUtils",
         "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 88713f1..e5d9346 100644
--- a/automotive/vehicle/aidl/impl/utils/common/Android.bp
+++ b/automotive/vehicle/aidl/impl/utils/common/Android.bp
@@ -19,41 +19,14 @@
 }
 
 cc_library {
-    name: "VehicleHalUtilsVendor",
+    name: "VehicleHalUtils",
     srcs: ["src/*.cpp"],
-    vendor: true,
+    vendor_available: true,
     local_include_dirs: ["include"],
     export_include_dirs: ["include"],
     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 bcb3c8d..5b41ff4 100644
--- a/automotive/vehicle/aidl/impl/utils/common/test/Android.bp
+++ b/automotive/vehicle/aidl/impl/utils/common/test/Android.bp
@@ -23,7 +23,7 @@
     srcs: ["*.cpp"],
     vendor: true,
     static_libs: [
-        "VehicleHalUtilsVendor",
+        "VehicleHalUtils",
         "libgtest",
         "libgmock",
     ],
diff --git a/automotive/vehicle/aidl/impl/vhal/Android.bp b/automotive/vehicle/aidl/impl/vhal/Android.bp
index 295cbb7..49f48f7 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",
-        "VehicleHalUtilsVendor",
+        "VehicleHalUtils",
     ],
     header_libs: [
         "IVehicleHardware",
@@ -58,7 +58,7 @@
         "src/SubscriptionManager.cpp",
     ],
     static_libs: [
-        "VehicleHalUtilsVendor",
+        "VehicleHalUtils",
     ],
     header_libs: [
         "IVehicleHardware",
diff --git a/automotive/vehicle/aidl/impl/vhal/test/Android.bp b/automotive/vehicle/aidl/impl/vhal/test/Android.bp
index d89f2c1..7122aa5 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",
-        "VehicleHalUtilsVendor",
+        "VehicleHalUtils",
         "libgtest",
         "libgmock",
     ],
diff --git a/biometrics/common/aidl/aidl_api/android.hardware.biometrics.common/current/android/hardware/biometrics/common/OperationContext.aidl b/biometrics/common/aidl/aidl_api/android.hardware.biometrics.common/current/android/hardware/biometrics/common/OperationContext.aidl
index 3a6461e..9d1cb8f 100644
--- a/biometrics/common/aidl/aidl_api/android.hardware.biometrics.common/current/android/hardware/biometrics/common/OperationContext.aidl
+++ b/biometrics/common/aidl/aidl_api/android.hardware.biometrics.common/current/android/hardware/biometrics/common/OperationContext.aidl
@@ -36,6 +36,6 @@
 parcelable OperationContext {
   int id = 0;
   android.hardware.biometrics.common.OperationReason reason = android.hardware.biometrics.common.OperationReason.UNKNOWN;
-  boolean isAoD = false;
+  boolean isAod = false;
   boolean isCrypto = false;
 }
diff --git a/biometrics/common/aidl/android/hardware/biometrics/common/OperationContext.aidl b/biometrics/common/aidl/android/hardware/biometrics/common/OperationContext.aidl
index 390e698..72fe660 100644
--- a/biometrics/common/aidl/android/hardware/biometrics/common/OperationContext.aidl
+++ b/biometrics/common/aidl/android/hardware/biometrics/common/OperationContext.aidl
@@ -41,8 +41,8 @@
      */
     OperationReason reason = OperationReason.UNKNOWN;
 
-    /* Flag indicating that the display is in AoD mode. */
-    boolean isAoD = false;
+    /* Flag indicating that the display is in AOD mode. */
+    boolean isAod = false;
 
     /** Flag indicating that crypto was requested. */
     boolean isCrypto = false;
diff --git a/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/PointerContext.aidl b/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/PointerContext.aidl
index e383330..43db6cf 100644
--- a/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/PointerContext.aidl
+++ b/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/PointerContext.aidl
@@ -34,10 +34,13 @@
 package android.hardware.biometrics.fingerprint;
 @VintfStability
 parcelable PointerContext {
-  int pointerId = 0;
-  int x = 0;
-  int y = 0;
+  int pointerId = -1;
+  float x = 0.000000f;
+  float y = 0.000000f;
   float minor = 0.000000f;
   float major = 0.000000f;
-  boolean isAoD = false;
+  float orientation = 0.000000f;
+  boolean isAod = false;
+  long time = 0;
+  long gestureStart = 0;
 }
diff --git a/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/PointerContext.aidl b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/PointerContext.aidl
index 4975175..e025d34 100644
--- a/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/PointerContext.aidl
+++ b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/PointerContext.aidl
@@ -21,14 +21,35 @@
  */
 @VintfStability
 parcelable PointerContext {
-    /* See android.view.MotionEvent#getPointerId. */
-    int pointerId = 0;
+    /**
+     * Pointer ID obtained from MotionEvent#getPointerId or -1 if the ID cannot be obtained, for
+     * example if this event originated from a low-level wake-up gesture.
+     *
+     * See android.view.MotionEvent#getPointerId.
+     */
+    int pointerId = -1;
 
-    /* The distance in pixels from the left edge of the display. */
-    int x = 0;
+    /**
+     * The distance in pixels from the left edge of the display.
+     *
+     * This is obtained from MotionEvent#getRawX and translated relative to Surface#ROTATION_0.
+     * Meaning, this value is always reported as if the device is in its natural (e.g. portrait)
+     * orientation.
+     *
+     * See android.view.MotionEvent#getRawX.
+     */
+    float x = 0f;
 
-    /* The distance in pixels from the top edge of the display. */
-    int y = 0;
+    /**
+     * The distance in pixels from the top edge of the display.
+     *
+     * This is obtained from MotionEvent#getRawY and translated relative to Surface#ROTATION_0.
+     * Meaning, this value is always reported as if the device is in its natural (e.g. portrait)
+     * orientation.
+     *
+     * See android.view.MotionEvent#getRawY.
+     */
+    float y = 0f;
 
     /* See android.view.MotionEvent#getTouchMinor. */
     float minor = 0f;
@@ -36,6 +57,32 @@
     /* See android.view.MotionEvent#getTouchMajor. */
     float major = 0f;
 
-    /* Flag indicating that the display is in AoD mode. */
-    boolean isAoD = false;
+    /* See android.view.MotionEvent#getOrientation. */
+    float orientation = 0f;
+
+    /* Flag indicating that the display is in AOD mode. */
+    boolean isAod = false;
+
+    /**
+     * The time of the user interaction that produced this event, in milliseconds.
+     *
+     * This is obtained from MotionEvent#getEventTime, which uses SystemClock.uptimeMillis() as
+     * the clock.
+     *
+     * See android.view.MotionEvent#getEventTime
+     */
+    long time = 0;
+
+    /**
+     * The time of the first user interaction in this gesture, in milliseconds.
+     *
+     * If this event is MotionEvent#ACTION_DOWN, it means it's the first event in this gesture,
+     * and `gestureStart` will be equal to `time`.
+     *
+     * This is obtained from MotionEvent#getDownTime, which uses SystemClock.uptimeMillis() as
+     * the clock.
+     *
+     * See android.view.MotionEvent#getDownTime
+     */
+    long gestureStart = 0;
 }
diff --git a/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/AudioConfiguration.aidl b/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/AudioConfiguration.aidl
index 50b54c3..3abfb31 100644
--- a/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/AudioConfiguration.aidl
+++ b/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/AudioConfiguration.aidl
@@ -37,4 +37,5 @@
   android.hardware.bluetooth.audio.PcmConfiguration pcmConfig;
   android.hardware.bluetooth.audio.CodecConfiguration a2dpConfig;
   android.hardware.bluetooth.audio.LeAudioConfiguration leAudioConfig;
+  android.hardware.bluetooth.audio.LeAudioBroadcastConfiguration leAudioBroadcastConfig;
 }
diff --git a/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/BluetoothAudioStatus.aidl b/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/BluetoothAudioStatus.aidl
index 7c0d825..c20c057 100644
--- a/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/BluetoothAudioStatus.aidl
+++ b/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/BluetoothAudioStatus.aidl
@@ -38,4 +38,5 @@
   SUCCESS = 1,
   UNSUPPORTED_CODEC_CONFIGURATION = 2,
   FAILURE = 3,
+  RECONFIGURATION = 4,
 }
diff --git a/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/IBluetoothAudioPort.aidl b/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/IBluetoothAudioPort.aidl
index cc3c641..0033fee 100644
--- a/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/IBluetoothAudioPort.aidl
+++ b/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/IBluetoothAudioPort.aidl
@@ -41,5 +41,4 @@
   void updateSourceMetadata(in android.hardware.audio.common.SourceMetadata sourceMetadata);
   void updateSinkMetadata(in android.hardware.audio.common.SinkMetadata sinkMetadata);
   void setLatencyMode(in android.hardware.bluetooth.audio.LatencyMode latencyMode);
-  void setCodecType(in android.hardware.bluetooth.audio.CodecType codecType);
 }
diff --git a/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/BroadcastConfiguration.aidl b/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/LeAudioBroadcastConfiguration.aidl
similarity index 90%
rename from bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/BroadcastConfiguration.aidl
rename to bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/LeAudioBroadcastConfiguration.aidl
index 5fa3926..7d53b0c 100644
--- a/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/BroadcastConfiguration.aidl
+++ b/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/LeAudioBroadcastConfiguration.aidl
@@ -33,8 +33,9 @@
 
 package android.hardware.bluetooth.audio;
 @VintfStability
-parcelable BroadcastConfiguration {
-  android.hardware.bluetooth.audio.BroadcastConfiguration.BroadcastStreamMap[] streamMap;
+parcelable LeAudioBroadcastConfiguration {
+  android.hardware.bluetooth.audio.CodecType codecType;
+  android.hardware.bluetooth.audio.LeAudioBroadcastConfiguration.BroadcastStreamMap[] streamMap;
   @VintfStability
   parcelable BroadcastStreamMap {
     char streamHandle;
diff --git a/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/LeAudioConfiguration.aidl b/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/LeAudioConfiguration.aidl
index 2bc1791..edb6795 100644
--- a/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/LeAudioConfiguration.aidl
+++ b/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/LeAudioConfiguration.aidl
@@ -34,12 +34,13 @@
 package android.hardware.bluetooth.audio;
 @VintfStability
 parcelable LeAudioConfiguration {
-  android.hardware.bluetooth.audio.LeAudioMode mode;
-  android.hardware.bluetooth.audio.LeAudioConfiguration.LeAudioModeConfig modeConfig;
   android.hardware.bluetooth.audio.CodecType codecType;
+  android.hardware.bluetooth.audio.LeAudioConfiguration.StreamMap[] streamMap;
+  int peerDelayUs;
+  android.hardware.bluetooth.audio.LeAudioCodecConfiguration leAudioCodecConfig;
   @VintfStability
-  union LeAudioModeConfig {
-    android.hardware.bluetooth.audio.UnicastConfiguration unicastConfig;
-    android.hardware.bluetooth.audio.BroadcastConfiguration broadcastConfig;
+  parcelable StreamMap {
+    char streamHandle;
+    int audioChannelAllocation;
   }
 }
diff --git a/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/LeAudioMode.aidl b/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/LeAudioMode.aidl
deleted file mode 100644
index 766f637..0000000
--- a/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/LeAudioMode.aidl
+++ /dev/null
@@ -1,40 +0,0 @@
-/*
- * Copyright 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.
- */
-///////////////////////////////////////////////////////////////////////////////
-// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
-///////////////////////////////////////////////////////////////////////////////
-
-// This file is a snapshot of an AIDL file. Do not edit it manually. There are
-// two cases:
-// 1). this is a frozen version file - do not edit this in any case.
-// 2). this is a 'current' file. If you make a backwards compatible change to
-//     the interface (from the latest frozen version), the build system will
-//     prompt you to update this file with `m <name>-update-api`.
-//
-// You must not make a backward incompatible change to any AIDL file built
-// with the aidl_interface module type with versions property set. The module
-// type is used to build AIDL files in a way that they can be used across
-// independently updatable components of the system. If a device is shipped
-// with such a backward incompatible change, it has a high risk of breaking
-// later when a module using the interface is updated, e.g., Mainline modules.
-
-package android.hardware.bluetooth.audio;
-@Backing(type="byte") @VintfStability
-enum LeAudioMode {
-  UNKNOWN = 0,
-  UNICAST = 1,
-  BROADCAST = 2,
-}
diff --git a/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/SessionType.aidl b/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/SessionType.aidl
index 72d7fb2..baec9c2 100644
--- a/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/SessionType.aidl
+++ b/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/SessionType.aidl
@@ -42,4 +42,6 @@
   LE_AUDIO_SOFTWARE_DECODING_DATAPATH = 5,
   LE_AUDIO_HARDWARE_OFFLOAD_ENCODING_DATAPATH = 6,
   LE_AUDIO_HARDWARE_OFFLOAD_DECODING_DATAPATH = 7,
+  LE_AUDIO_BROADCAST_SOFTWARE_ENCODING_DATAPATH = 8,
+  LE_AUDIO_BROADCAST_HARDWARE_OFFLOAD_ENCODING_DATAPATH = 9,
 }
diff --git a/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/UnicastConfiguration.aidl b/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/UnicastConfiguration.aidl
deleted file mode 100644
index b385763..0000000
--- a/bluetooth/audio/aidl/aidl_api/android.hardware.bluetooth.audio/current/android/hardware/bluetooth/audio/UnicastConfiguration.aidl
+++ /dev/null
@@ -1,45 +0,0 @@
-/*
- * Copyright 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.
- */
-///////////////////////////////////////////////////////////////////////////////
-// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
-///////////////////////////////////////////////////////////////////////////////
-
-// This file is a snapshot of an AIDL file. Do not edit it manually. There are
-// two cases:
-// 1). this is a frozen version file - do not edit this in any case.
-// 2). this is a 'current' file. If you make a backwards compatible change to
-//     the interface (from the latest frozen version), the build system will
-//     prompt you to update this file with `m <name>-update-api`.
-//
-// You must not make a backward incompatible change to any AIDL file built
-// with the aidl_interface module type with versions property set. The module
-// type is used to build AIDL files in a way that they can be used across
-// independently updatable components of the system. If a device is shipped
-// with such a backward incompatible change, it has a high risk of breaking
-// later when a module using the interface is updated, e.g., Mainline modules.
-
-package android.hardware.bluetooth.audio;
-@VintfStability
-parcelable UnicastConfiguration {
-  android.hardware.bluetooth.audio.UnicastConfiguration.UnicastStreamMap[] streamMap;
-  int peerDelay;
-  android.hardware.bluetooth.audio.LeAudioCodecConfiguration leAudioCodecConfig;
-  @VintfStability
-  parcelable UnicastStreamMap {
-    char streamHandle;
-    int audioChannelAllocation;
-  }
-}
diff --git a/bluetooth/audio/aidl/android/hardware/bluetooth/audio/AudioConfiguration.aidl b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/AudioConfiguration.aidl
index 81b41dc..a06337e 100644
--- a/bluetooth/audio/aidl/android/hardware/bluetooth/audio/AudioConfiguration.aidl
+++ b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/AudioConfiguration.aidl
@@ -17,6 +17,7 @@
 package android.hardware.bluetooth.audio;
 
 import android.hardware.bluetooth.audio.CodecConfiguration;
+import android.hardware.bluetooth.audio.LeAudioBroadcastConfiguration;
 import android.hardware.bluetooth.audio.LeAudioConfiguration;
 import android.hardware.bluetooth.audio.PcmConfiguration;
 
@@ -28,4 +29,5 @@
     PcmConfiguration pcmConfig;
     CodecConfiguration a2dpConfig;
     LeAudioConfiguration leAudioConfig;
+    LeAudioBroadcastConfiguration leAudioBroadcastConfig;
 }
diff --git a/bluetooth/audio/aidl/android/hardware/bluetooth/audio/BluetoothAudioStatus.aidl b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/BluetoothAudioStatus.aidl
index ec78445..9ddafe9 100644
--- a/bluetooth/audio/aidl/android/hardware/bluetooth/audio/BluetoothAudioStatus.aidl
+++ b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/BluetoothAudioStatus.aidl
@@ -23,5 +23,6 @@
     SUCCESS = 1,
     UNSUPPORTED_CODEC_CONFIGURATION = 2,
     // General failure
-    FAILURE = 3
+    FAILURE = 3,
+    RECONFIGURATION = 4,
 }
diff --git a/bluetooth/audio/aidl/android/hardware/bluetooth/audio/BroadcastCapability.aidl b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/BroadcastCapability.aidl
index cb63f88..f1301fb 100644
--- a/bluetooth/audio/aidl/android/hardware/bluetooth/audio/BroadcastCapability.aidl
+++ b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/BroadcastCapability.aidl
@@ -19,7 +19,6 @@
 import android.hardware.bluetooth.audio.AudioLocation;
 import android.hardware.bluetooth.audio.CodecType;
 import android.hardware.bluetooth.audio.Lc3Capabilities;
-import android.hardware.bluetooth.audio.LeAudioMode;
 
 /**
  * Used to specify the le audio broadcast codec capabilities for hardware offload.
diff --git a/bluetooth/audio/aidl/android/hardware/bluetooth/audio/IBluetoothAudioPort.aidl b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/IBluetoothAudioPort.aidl
index 81c2ce2..9f8007b 100644
--- a/bluetooth/audio/aidl/android/hardware/bluetooth/audio/IBluetoothAudioPort.aidl
+++ b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/IBluetoothAudioPort.aidl
@@ -87,11 +87,4 @@
      * @param latencyMode latency mode from audio
      */
     void setLatencyMode(in LatencyMode latencyMode);
-
-    /**
-     * Called when codec type is changed.
-     *
-     * @param codecType codec type from audio
-     */
-    void setCodecType(in CodecType codecType);
 }
diff --git a/bluetooth/audio/aidl/android/hardware/bluetooth/audio/BroadcastConfiguration.aidl b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/LeAudioBroadcastConfiguration.aidl
similarity index 87%
rename from bluetooth/audio/aidl/android/hardware/bluetooth/audio/BroadcastConfiguration.aidl
rename to bluetooth/audio/aidl/android/hardware/bluetooth/audio/LeAudioBroadcastConfiguration.aidl
index cfc9d3a..e9a1a0c 100644
--- a/bluetooth/audio/aidl/android/hardware/bluetooth/audio/BroadcastConfiguration.aidl
+++ b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/LeAudioBroadcastConfiguration.aidl
@@ -16,14 +16,15 @@
 
 package android.hardware.bluetooth.audio;
 
+import android.hardware.bluetooth.audio.CodecType;
 import android.hardware.bluetooth.audio.LeAudioCodecConfiguration;
 
 @VintfStability
-parcelable BroadcastConfiguration {
+parcelable LeAudioBroadcastConfiguration {
     @VintfStability
     parcelable BroadcastStreamMap {
         /*
-         * The connection handle used for a unicast or a broadcast group.
+         * The connection handle used for a broadcast group.
          * Range: 0x0000 to 0xEFFF
          */
         char streamHandle;
@@ -35,5 +36,6 @@
         int audioChannelAllocation;
         LeAudioCodecConfiguration leAudioCodecConfig;
     }
+    CodecType codecType;
     BroadcastStreamMap[] streamMap;
 }
diff --git a/bluetooth/audio/aidl/android/hardware/bluetooth/audio/LeAudioConfiguration.aidl b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/LeAudioConfiguration.aidl
index 515794b..0d1e3de 100644
--- a/bluetooth/audio/aidl/android/hardware/bluetooth/audio/LeAudioConfiguration.aidl
+++ b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/LeAudioConfiguration.aidl
@@ -16,22 +16,28 @@
 
 package android.hardware.bluetooth.audio;
 
-import android.hardware.bluetooth.audio.BroadcastConfiguration;
 import android.hardware.bluetooth.audio.CodecType;
-import android.hardware.bluetooth.audio.LeAudioMode;
-import android.hardware.bluetooth.audio.UnicastConfiguration;
+import android.hardware.bluetooth.audio.LeAudioCodecConfiguration;
 
 @VintfStability
 parcelable LeAudioConfiguration {
     @VintfStability
-    union LeAudioModeConfig {
-        UnicastConfiguration unicastConfig;
-        BroadcastConfiguration broadcastConfig;
+    parcelable StreamMap {
+        /*
+         * The connection handle used for a unicast group.
+         * Range: 0x0000 to 0xEFFF
+         */
+        char streamHandle;
+        /*
+         * Audio channel allocation is  a bit field, each enabled bit means that given audio
+         * direction, i.e. "left", or "right" is used. Ordering of audio channels comes from the
+         * least significant bit to the most significant bit. The valus follows the Bluetooth SIG
+         * Audio Location assigned number.
+         */
+        int audioChannelAllocation;
     }
-    /*
-     * The mode of the LE audio
-     */
-    LeAudioMode mode;
-    LeAudioModeConfig modeConfig;
     CodecType codecType;
+    StreamMap[] streamMap;
+    int peerDelayUs;
+    LeAudioCodecConfiguration leAudioCodecConfig;
 }
diff --git a/bluetooth/audio/aidl/android/hardware/bluetooth/audio/SessionType.aidl b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/SessionType.aidl
index 30faae3..95beee7 100644
--- a/bluetooth/audio/aidl/android/hardware/bluetooth/audio/SessionType.aidl
+++ b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/SessionType.aidl
@@ -33,19 +33,33 @@
      */
     HEARING_AID_SOFTWARE_ENCODING_DATAPATH,
     /**
-     * Used when encoded by Bluetooth Stack and streaming to LE Audio device
+     * Used when audio is encoded by the Bluetooth Stack and is streamed to LE
+     * Audio unicast device.
      */
     LE_AUDIO_SOFTWARE_ENCODING_DATAPATH,
     /**
-     * Used when decoded by Bluetooth Stack and streaming to audio framework
+     * Used when audio is decoded by the Bluetooth Stack and is streamed to LE
+     * Audio unicast device.
      */
     LE_AUDIO_SOFTWARE_DECODING_DATAPATH,
     /**
-     * Encoding is done by HW an there is control only
+     * Used when audio is encoded by hardware offload and is streamed to LE
+     * Audio unicast device. This is a control path only.
      */
     LE_AUDIO_HARDWARE_OFFLOAD_ENCODING_DATAPATH,
     /**
-     * Decoding is done by HW an there is control only
+     * Used when audio is decoded by hardware offload and is streamed to LE
+     * Audio unicast device. This is a control path only.
      */
     LE_AUDIO_HARDWARE_OFFLOAD_DECODING_DATAPATH,
+    /**
+     * Used when audio is encoded by the Bluetooth stack and is streamed to LE
+     * Audio broadcast channels.
+     */
+    LE_AUDIO_BROADCAST_SOFTWARE_ENCODING_DATAPATH,
+    /**
+     * Used when audio is encoded by hardware offload and is streamed to LE
+     * Audio broadcast channels. This is a control path only.
+     */
+    LE_AUDIO_BROADCAST_HARDWARE_OFFLOAD_ENCODING_DATAPATH,
 }
diff --git a/bluetooth/audio/aidl/android/hardware/bluetooth/audio/UnicastCapability.aidl b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/UnicastCapability.aidl
index cd8a4c1..f8a924a 100644
--- a/bluetooth/audio/aidl/android/hardware/bluetooth/audio/UnicastCapability.aidl
+++ b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/UnicastCapability.aidl
@@ -19,7 +19,6 @@
 import android.hardware.bluetooth.audio.AudioLocation;
 import android.hardware.bluetooth.audio.CodecType;
 import android.hardware.bluetooth.audio.Lc3Capabilities;
-import android.hardware.bluetooth.audio.LeAudioMode;
 
 /**
  * Used to specify the le audio unicast codec capabilities for hardware offload.
diff --git a/bluetooth/audio/aidl/android/hardware/bluetooth/audio/UnicastConfiguration.aidl b/bluetooth/audio/aidl/android/hardware/bluetooth/audio/UnicastConfiguration.aidl
deleted file mode 100644
index 7be2c5b..0000000
--- a/bluetooth/audio/aidl/android/hardware/bluetooth/audio/UnicastConfiguration.aidl
+++ /dev/null
@@ -1,41 +0,0 @@
-/*
- * Copyright 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.bluetooth.audio;
-
-import android.hardware.bluetooth.audio.LeAudioCodecConfiguration;
-
-@VintfStability
-parcelable UnicastConfiguration {
-    @VintfStability
-    parcelable UnicastStreamMap {
-        /*
-         * The connection handle used for a unicast or a broadcast group.
-         * Range: 0x0000 to 0xEFFF
-         */
-        char streamHandle;
-        /*
-         * Audio channel allocation is  a bit field, each enabled bit means that given audio
-         * direction, i.e. "left", or "right" is used. Ordering of audio channels comes from the
-         * least significant bit to the most significant bit. The valus follows the Bluetooth SIG
-         * Audio Location assigned number.
-         */
-        int audioChannelAllocation;
-    }
-    UnicastStreamMap[] streamMap;
-    int peerDelay;
-    LeAudioCodecConfiguration leAudioCodecConfig;
-}
diff --git a/bluetooth/audio/aidl/default/Android.bp b/bluetooth/audio/aidl/default/Android.bp
index fc882d4..13a5440 100644
--- a/bluetooth/audio/aidl/default/Android.bp
+++ b/bluetooth/audio/aidl/default/Android.bp
@@ -19,6 +19,7 @@
         "HearingAidAudioProvider.cpp",
         "LeAudioOffloadAudioProvider.cpp",
         "LeAudioSoftwareAudioProvider.cpp",
+        "service.cpp",
     ],
     export_include_dirs: ["."],
     header_libs: ["libhardware_headers"],
diff --git a/bluetooth/audio/aidl/default/BluetoothAudioProvider.cpp b/bluetooth/audio/aidl/default/BluetoothAudioProvider.cpp
index 54e82d1..8090d26 100644
--- a/bluetooth/audio/aidl/default/BluetoothAudioProvider.cpp
+++ b/bluetooth/audio/aidl/default/BluetoothAudioProvider.cpp
@@ -131,6 +131,8 @@
     return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
   }
   LOG(INFO) << __func__ << " - allowed " << allowed;
+  BluetoothAudioSessionReport::ReportLowLatencyModeAllowedChanged(
+    session_type_, allowed);
   return ndk::ScopedAStatus::ok();
 }
 
diff --git a/bluetooth/audio/aidl/default/BluetoothAudioProviderFactory.cpp b/bluetooth/audio/aidl/default/BluetoothAudioProviderFactory.cpp
index 1e55a0b..1e1680a 100644
--- a/bluetooth/audio/aidl/default/BluetoothAudioProviderFactory.cpp
+++ b/bluetooth/audio/aidl/default/BluetoothAudioProviderFactory.cpp
@@ -64,6 +64,14 @@
     case SessionType::LE_AUDIO_HARDWARE_OFFLOAD_DECODING_DATAPATH:
       provider = ndk::SharedRefBase::make<LeAudioOffloadInputAudioProvider>();
       break;
+    case SessionType::LE_AUDIO_BROADCAST_SOFTWARE_ENCODING_DATAPATH:
+      provider =
+          ndk::SharedRefBase::make<LeAudioSoftwareBroadcastAudioProvider>();
+      break;
+    case SessionType::LE_AUDIO_BROADCAST_HARDWARE_OFFLOAD_ENCODING_DATAPATH:
+      provider =
+          ndk::SharedRefBase::make<LeAudioOffloadBroadcastAudioProvider>();
+      break;
     default:
       provider = nullptr;
       break;
@@ -93,7 +101,10 @@
   } else if (session_type ==
                  SessionType::LE_AUDIO_HARDWARE_OFFLOAD_ENCODING_DATAPATH ||
              session_type ==
-                 SessionType::LE_AUDIO_HARDWARE_OFFLOAD_DECODING_DATAPATH) {
+                 SessionType::LE_AUDIO_HARDWARE_OFFLOAD_DECODING_DATAPATH ||
+             session_type ==
+                 SessionType::
+                     LE_AUDIO_BROADCAST_HARDWARE_OFFLOAD_ENCODING_DATAPATH) {
     std::vector<LeAudioCodecCapabilitiesSetting> db_codec_capabilities =
         BluetoothAudioCodecs::GetLeAudioOffloadCodecCapabilities(session_type);
     if (db_codec_capabilities.size()) {
diff --git a/bluetooth/audio/aidl/default/LeAudioOffloadAudioProvider.cpp b/bluetooth/audio/aidl/default/LeAudioOffloadAudioProvider.cpp
index 72ac9bd..7a28513 100644
--- a/bluetooth/audio/aidl/default/LeAudioOffloadAudioProvider.cpp
+++ b/bluetooth/audio/aidl/default/LeAudioOffloadAudioProvider.cpp
@@ -38,6 +38,12 @@
   session_type_ = SessionType::LE_AUDIO_HARDWARE_OFFLOAD_DECODING_DATAPATH;
 }
 
+LeAudioOffloadBroadcastAudioProvider::LeAudioOffloadBroadcastAudioProvider()
+    : LeAudioOffloadAudioProvider() {
+  session_type_ =
+      SessionType::LE_AUDIO_BROADCAST_HARDWARE_OFFLOAD_ENCODING_DATAPATH;
+}
+
 LeAudioOffloadAudioProvider::LeAudioOffloadAudioProvider()
     : BluetoothAudioProvider() {}
 
diff --git a/bluetooth/audio/aidl/default/LeAudioOffloadAudioProvider.h b/bluetooth/audio/aidl/default/LeAudioOffloadAudioProvider.h
index a27a2e7..6509a9e 100644
--- a/bluetooth/audio/aidl/default/LeAudioOffloadAudioProvider.h
+++ b/bluetooth/audio/aidl/default/LeAudioOffloadAudioProvider.h
@@ -48,6 +48,12 @@
   LeAudioOffloadInputAudioProvider();
 };
 
+class LeAudioOffloadBroadcastAudioProvider
+    : public LeAudioOffloadAudioProvider {
+ public:
+  LeAudioOffloadBroadcastAudioProvider();
+};
+
 }  // namespace audio
 }  // namespace bluetooth
 }  // namespace hardware
diff --git a/bluetooth/audio/aidl/default/LeAudioSoftwareAudioProvider.cpp b/bluetooth/audio/aidl/default/LeAudioSoftwareAudioProvider.cpp
index 67b7d60..0fe205e 100644
--- a/bluetooth/audio/aidl/default/LeAudioSoftwareAudioProvider.cpp
+++ b/bluetooth/audio/aidl/default/LeAudioSoftwareAudioProvider.cpp
@@ -55,6 +55,11 @@
   session_type_ = SessionType::LE_AUDIO_SOFTWARE_DECODING_DATAPATH;
 }
 
+LeAudioSoftwareBroadcastAudioProvider::LeAudioSoftwareBroadcastAudioProvider()
+    : LeAudioSoftwareAudioProvider() {
+  session_type_ = SessionType::LE_AUDIO_BROADCAST_SOFTWARE_ENCODING_DATAPATH;
+}
+
 LeAudioSoftwareAudioProvider::LeAudioSoftwareAudioProvider()
     : BluetoothAudioProvider(), data_mq_(nullptr) {}
 
@@ -78,7 +83,9 @@
   }
 
   uint32_t buffer_modifier = 0;
-  if (session_type_ == SessionType::LE_AUDIO_SOFTWARE_ENCODING_DATAPATH)
+  if (session_type_ == SessionType::LE_AUDIO_SOFTWARE_ENCODING_DATAPATH ||
+      session_type_ ==
+          SessionType::LE_AUDIO_BROADCAST_SOFTWARE_ENCODING_DATAPATH)
     buffer_modifier = kBufferOutCount;
   else if (session_type_ == SessionType::LE_AUDIO_SOFTWARE_DECODING_DATAPATH)
     buffer_modifier = kBufferInCount;
diff --git a/bluetooth/audio/aidl/default/LeAudioSoftwareAudioProvider.h b/bluetooth/audio/aidl/default/LeAudioSoftwareAudioProvider.h
index fa58182..ace4bff 100644
--- a/bluetooth/audio/aidl/default/LeAudioSoftwareAudioProvider.h
+++ b/bluetooth/audio/aidl/default/LeAudioSoftwareAudioProvider.h
@@ -51,6 +51,12 @@
   LeAudioSoftwareInputAudioProvider();
 };
 
+class LeAudioSoftwareBroadcastAudioProvider
+    : public LeAudioSoftwareAudioProvider {
+ public:
+  LeAudioSoftwareBroadcastAudioProvider();
+};
+
 }  // namespace audio
 }  // namespace bluetooth
 }  // namespace hardware
diff --git a/bluetooth/audio/aidl/default/service.cpp b/bluetooth/audio/aidl/default/service.cpp
new file mode 100644
index 0000000..f8f9cde
--- /dev/null
+++ b/bluetooth/audio/aidl/default/service.cpp
@@ -0,0 +1,38 @@
+/*
+ * 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.
+ */
+
+#define LOG_TAG "BtAudioAIDLService"
+
+#include <android/binder_manager.h>
+#include <android/binder_process.h>
+#include <utils/Log.h>
+
+#include "BluetoothAudioProviderFactory.h"
+
+using ::aidl::android::hardware::bluetooth::audio::
+    BluetoothAudioProviderFactory;
+
+extern "C" __attribute__((visibility("default"))) binder_status_t
+createIBluetoothAudioProviderFactory() {
+  auto factory = ::ndk::SharedRefBase::make<BluetoothAudioProviderFactory>();
+  const std::string instance_name =
+      std::string() + BluetoothAudioProviderFactory::descriptor + "/default";
+  binder_status_t aidl_status = AServiceManager_addService(
+      factory->asBinder().get(), instance_name.c_str());
+  ALOGW_IF(aidl_status != STATUS_OK, "Could not register %s, status=%d",
+           instance_name.c_str(), aidl_status);
+  return aidl_status;
+}
\ No newline at end of file
diff --git a/bluetooth/audio/utils/aidl_session/BluetoothAudioCodecs.cpp b/bluetooth/audio/utils/aidl_session/BluetoothAudioCodecs.cpp
index a8d8817..a6fd798 100644
--- a/bluetooth/audio/utils/aidl_session/BluetoothAudioCodecs.cpp
+++ b/bluetooth/audio/utils/aidl_session/BluetoothAudioCodecs.cpp
@@ -132,9 +132,13 @@
 // Stores the supported setting of audio location, connected device, and the
 // channel count for each device
 std::vector<std::tuple<AudioLocation, uint8_t, uint8_t>>
-    supportedDeviceSetting = {std::make_tuple(stereoAudio, 2, 1),
-                              std::make_tuple(monoAudio, 1, 2),
-                              std::make_tuple(monoAudio, 1, 1)};
+    supportedDeviceSetting = {
+        // Stereo, two connected device, one for L one for R
+        std::make_tuple(stereoAudio, 2, 1),
+        // Stereo, one connected device for both L and R
+        std::make_tuple(stereoAudio, 1, 2),
+        // Mono
+        std::make_tuple(monoAudio, 1, 1)};
 
 template <class T>
 bool BluetoothAudioCodecs::ContainedInVector(
diff --git a/bluetooth/audio/utils/aidl_session/BluetoothAudioSession.cpp b/bluetooth/audio/utils/aidl_session/BluetoothAudioSession.cpp
index 96cd9ef..7187828 100644
--- a/bluetooth/audio/utils/aidl_session/BluetoothAudioSession.cpp
+++ b/bluetooth/audio/utils/aidl_session/BluetoothAudioSession.cpp
@@ -94,6 +94,8 @@
       case SessionType::LE_AUDIO_HARDWARE_OFFLOAD_ENCODING_DATAPATH:
       case SessionType::LE_AUDIO_HARDWARE_OFFLOAD_DECODING_DATAPATH:
         return AudioConfiguration(LeAudioConfiguration{});
+      case SessionType::LE_AUDIO_BROADCAST_HARDWARE_OFFLOAD_ENCODING_DATAPATH:
+        return AudioConfiguration(LeAudioBroadcastConfiguration{});
       default:
         return AudioConfiguration(PcmConfiguration{});
     }
@@ -137,6 +139,8 @@
            SessionType::LE_AUDIO_HARDWARE_OFFLOAD_ENCODING_DATAPATH ||
        session_type_ ==
            SessionType::LE_AUDIO_HARDWARE_OFFLOAD_DECODING_DATAPATH ||
+       session_type_ ==
+           SessionType::LE_AUDIO_BROADCAST_HARDWARE_OFFLOAD_ENCODING_DATAPATH ||
        (data_mq_ != nullptr && data_mq_->isValid()));
   return stack_iface_ != nullptr && is_mq_valid && audio_config_ != nullptr;
 }
@@ -259,7 +263,9 @@
       (session_type_ == SessionType::A2DP_SOFTWARE_ENCODING_DATAPATH ||
        session_type_ == SessionType::HEARING_AID_SOFTWARE_ENCODING_DATAPATH ||
        session_type_ == SessionType::LE_AUDIO_SOFTWARE_DECODING_DATAPATH ||
-       session_type_ == SessionType::LE_AUDIO_SOFTWARE_ENCODING_DATAPATH);
+       session_type_ == SessionType::LE_AUDIO_SOFTWARE_ENCODING_DATAPATH ||
+       session_type_ ==
+           SessionType::LE_AUDIO_BROADCAST_SOFTWARE_ENCODING_DATAPATH);
   bool is_offload_a2dp_session =
       (session_type_ == SessionType::A2DP_HARDWARE_OFFLOAD_ENCODING_DATAPATH);
   bool is_offload_le_audio_session =
@@ -410,6 +416,22 @@
   }
 }
 
+void BluetoothAudioSession::ReportLowLatencyModeAllowedChanged(bool allowed) {
+  std::lock_guard<std::recursive_mutex> guard(mutex_);
+  if (observers_.empty()) {
+    LOG(WARNING) << __func__ << " - SessionType=" << toString(session_type_)
+                 << " has NO port state observer";
+    return;
+  }
+  for (auto& observer : observers_) {
+    uint16_t cookie = observer.first;
+    std::shared_ptr<PortStatusCallbacks> callback = observer.second;
+    LOG(INFO) << __func__
+              << " - allowed=" << (allowed ? " allowed" : " disallowed");
+    callback->low_latency_mode_allowed_cb_(cookie, allowed);
+  }
+}
+
 bool BluetoothAudioSession::GetPresentationPosition(
     PresentationPosition& presentation_position) {
   std::lock_guard<std::recursive_mutex> guard(mutex_);
@@ -523,21 +545,6 @@
   }
 }
 
-void BluetoothAudioSession::SetCodecType(CodecType codec_type) {
-  std::lock_guard<std::recursive_mutex> guard(mutex_);
-  if (!IsSessionReady()) {
-    LOG(DEBUG) << __func__ << " - SessionType=" << toString(session_type_)
-               << " has NO session";
-    return;
-  }
-
-  auto hal_retval = stack_iface_->setCodecType(codec_type);
-  if (!hal_retval.isOk()) {
-    LOG(WARNING) << __func__ << " - IBluetoothAudioPort SessionType="
-                 << toString(session_type_) << " failed";
-  }
-}
-
 bool BluetoothAudioSession::IsAidlAvailable() {
   if (is_aidl_checked) return is_aidl_available;
   is_aidl_available =
@@ -577,4 +584,4 @@
 }  // namespace bluetooth
 }  // namespace hardware
 }  // namespace android
-}  // namespace aidl
\ No newline at end of file
+}  // namespace aidl
diff --git a/bluetooth/audio/utils/aidl_session/BluetoothAudioSession.h b/bluetooth/audio/utils/aidl_session/BluetoothAudioSession.h
index 5adc0e2..6e390cc 100644
--- a/bluetooth/audio/utils/aidl_session/BluetoothAudioSession.h
+++ b/bluetooth/audio/utils/aidl_session/BluetoothAudioSession.h
@@ -92,6 +92,15 @@
    * @param: cookie - indicates which bluetooth_audio output should handle
    ***/
   std::function<void(uint16_t cookie)> audio_configuration_changed_cb_;
+  /***
+   * low_latency_mode_allowed_cb_ - when the Bluetooth stack low latency mode
+   * allowed or disallowed, the BluetoothAudioProvider will invoke
+   * this callback to report to the bluetooth_audio module.
+   * @param: cookie - indicates which bluetooth_audio output should handle
+   * @param: allowed - indicates if low latency mode is allowed
+   ***/
+  std::function<void(uint16_t cookie, bool allowed)>
+      low_latency_mode_allowed_cb_;
 };
 
 class BluetoothAudioSession {
@@ -156,6 +165,13 @@
   void ReportAudioConfigChanged(const AudioConfiguration& audio_config);
 
   /***
+   * The report function is used to report that the Bluetooth stack has notified
+   * the low latency mode allowed changed, and will invoke
+   * low_latency_mode_allowed_changed_cb to notify registered bluetooth_audio
+   * outputs
+   ***/
+  void ReportLowLatencyModeAllowedChanged(bool allowed);
+  /***
    * Those control functions are for the bluetooth_audio module to start,
    * suspend, stop stream, to check position, and to update metadata.
    ***/
@@ -166,7 +182,6 @@
   void UpdateSourceMetadata(const struct source_metadata& source_metadata);
   void UpdateSinkMetadata(const struct sink_metadata& sink_metadata);
   void SetLatencyMode(LatencyMode latency_mode);
-  void SetCodecType(CodecType codec_type);
 
   // The control function writes stream to FMQ
   size_t OutWritePcmData(const void* buffer, size_t bytes);
diff --git a/bluetooth/audio/utils/aidl_session/BluetoothAudioSessionControl.h b/bluetooth/audio/utils/aidl_session/BluetoothAudioSessionControl.h
index aff01e5..451a31f 100644
--- a/bluetooth/audio/utils/aidl_session/BluetoothAudioSessionControl.h
+++ b/bluetooth/audio/utils/aidl_session/BluetoothAudioSessionControl.h
@@ -86,6 +86,8 @@
       case SessionType::LE_AUDIO_HARDWARE_OFFLOAD_ENCODING_DATAPATH:
       case SessionType::LE_AUDIO_HARDWARE_OFFLOAD_DECODING_DATAPATH:
         return AudioConfiguration(LeAudioConfiguration{});
+      case SessionType::LE_AUDIO_BROADCAST_HARDWARE_OFFLOAD_ENCODING_DATAPATH:
+        return AudioConfiguration(LeAudioBroadcastConfiguration{});
       default:
         return AudioConfiguration(PcmConfiguration{});
     }
diff --git a/bluetooth/audio/utils/aidl_session/BluetoothAudioSessionReport.h b/bluetooth/audio/utils/aidl_session/BluetoothAudioSessionReport.h
index 18569c3..03776b5 100644
--- a/bluetooth/audio/utils/aidl_session/BluetoothAudioSessionReport.h
+++ b/bluetooth/audio/utils/aidl_session/BluetoothAudioSessionReport.h
@@ -78,6 +78,18 @@
       session_ptr->ReportAudioConfigChanged(audio_config);
     }
   }
+  /***
+   * The API reports the Bluetooth stack has replied the changed of the low
+   * latency audio allowed, and will inform registered bluetooth_audio outputs
+   ***/
+  static void ReportLowLatencyModeAllowedChanged(
+    const SessionType& session_type, bool allowed) {
+    std::shared_ptr<BluetoothAudioSession> session_ptr =
+        BluetoothAudioSessionInstance::GetSessionInstance(session_type);
+    if (session_ptr != nullptr) {
+      session_ptr->ReportLowLatencyModeAllowedChanged(allowed);
+    }
+  }
 };
 
 }  // namespace audio
diff --git a/bluetooth/audio/utils/aidl_session/HidlToAidlMiddleware.cpp b/bluetooth/audio/utils/aidl_session/HidlToAidlMiddleware.cpp
index 632a389..1ef9365 100644
--- a/bluetooth/audio/utils/aidl_session/HidlToAidlMiddleware.cpp
+++ b/bluetooth/audio/utils/aidl_session/HidlToAidlMiddleware.cpp
@@ -418,100 +418,89 @@
 }
 
 inline Lc3CodecConfig_2_1 to_hidl_leaudio_config_2_1(
-    const LeAudioConfiguration& leaudio_config) {
+    const LeAudioConfiguration& unicast_config) {
   Lc3CodecConfig_2_1 hidl_lc3_codec_config = {
       .audioChannelAllocation = 0,
   };
-  if (leaudio_config.modeConfig.getTag() ==
-      LeAudioConfiguration::LeAudioModeConfig::unicastConfig) {
-    auto& unicast_config =
-        leaudio_config.modeConfig
-            .get<LeAudioConfiguration::LeAudioModeConfig::unicastConfig>();
-    if (unicast_config.leAudioCodecConfig.getTag() ==
-        LeAudioCodecConfiguration::lc3Config) {
-      LOG(FATAL) << __func__ << ": unexpected codec type(vendor?)";
-    }
-    auto& le_codec_config = unicast_config.leAudioCodecConfig
-                                .get<LeAudioCodecConfiguration::lc3Config>();
-
-    hidl_lc3_codec_config.lc3Config = to_hidl_lc3_config_2_1(le_codec_config);
-
-    for (const auto& map : unicast_config.streamMap) {
-      hidl_lc3_codec_config.audioChannelAllocation |=
-          map.audioChannelAllocation;
-    }
-  } else {
-    // NOTE: Broadcast is not officially supported in HIDL
-    auto& bcast_config =
-        leaudio_config.modeConfig
-            .get<LeAudioConfiguration::LeAudioModeConfig::broadcastConfig>();
-    if (bcast_config.streamMap.empty()) {
-      return hidl_lc3_codec_config;
-    }
-    if (bcast_config.streamMap[0].leAudioCodecConfig.getTag() !=
-        LeAudioCodecConfiguration::lc3Config) {
-      LOG(FATAL) << __func__ << ": unexpected codec type(vendor?)";
-    }
-    auto& le_codec_config =
-        bcast_config.streamMap[0]
-            .leAudioCodecConfig.get<LeAudioCodecConfiguration::lc3Config>();
-    hidl_lc3_codec_config.lc3Config = to_hidl_lc3_config_2_1(le_codec_config);
-
-    for (const auto& map : bcast_config.streamMap) {
-      hidl_lc3_codec_config.audioChannelAllocation |=
-          map.audioChannelAllocation;
-    }
+  if (unicast_config.leAudioCodecConfig.getTag() ==
+      LeAudioCodecConfiguration::lc3Config) {
+    LOG(FATAL) << __func__ << ": unexpected codec type(vendor?)";
   }
+  auto& le_codec_config = unicast_config.leAudioCodecConfig
+                              .get<LeAudioCodecConfiguration::lc3Config>();
 
+  hidl_lc3_codec_config.lc3Config = to_hidl_lc3_config_2_1(le_codec_config);
+
+  for (const auto& map : unicast_config.streamMap) {
+    hidl_lc3_codec_config.audioChannelAllocation |= map.audioChannelAllocation;
+  }
+  return hidl_lc3_codec_config;
+}
+
+inline Lc3CodecConfig_2_1 to_hidl_leaudio_broadcast_config_2_1(
+    const LeAudioBroadcastConfiguration& broadcast_config) {
+  Lc3CodecConfig_2_1 hidl_lc3_codec_config = {
+      .audioChannelAllocation = 0,
+  };
+  // NOTE: Broadcast is not officially supported in HIDL
+  if (broadcast_config.streamMap.empty()) {
+    return hidl_lc3_codec_config;
+  }
+  if (broadcast_config.streamMap[0].leAudioCodecConfig.getTag() !=
+      LeAudioCodecConfiguration::lc3Config) {
+    LOG(FATAL) << __func__ << ": unexpected codec type(vendor?)";
+  }
+  auto& le_codec_config =
+      broadcast_config.streamMap[0]
+          .leAudioCodecConfig.get<LeAudioCodecConfiguration::lc3Config>();
+  hidl_lc3_codec_config.lc3Config = to_hidl_lc3_config_2_1(le_codec_config);
+
+  for (const auto& map : broadcast_config.streamMap) {
+    hidl_lc3_codec_config.audioChannelAllocation |= map.audioChannelAllocation;
+  }
   return hidl_lc3_codec_config;
 }
 
 inline LeAudioConfig_2_2 to_hidl_leaudio_config_2_2(
-    const LeAudioConfiguration& leaudio_config) {
+    const LeAudioConfiguration& unicast_config) {
   LeAudioConfig_2_2 hidl_leaudio_config;
+  hidl_leaudio_config.mode = LeAudioMode_2_2::UNICAST;
+  ::android::hardware::bluetooth::audio::V2_2::UnicastConfig
+      hidl_unicast_config;
+  hidl_unicast_config.peerDelay =
+      static_cast<uint32_t>(unicast_config.peerDelayUs / 1000);
 
-  if (leaudio_config.modeConfig.getTag() ==
-      LeAudioConfiguration::LeAudioModeConfig::unicastConfig) {
-    hidl_leaudio_config.mode = LeAudioMode_2_2::UNICAST;
-    auto& unicast_config =
-        leaudio_config.modeConfig
-            .get<LeAudioConfiguration::LeAudioModeConfig::unicastConfig>();
-    ::android::hardware::bluetooth::audio::V2_2::UnicastConfig
-        hidl_unicast_config;
-    hidl_unicast_config.peerDelay =
-        static_cast<uint32_t>(unicast_config.peerDelay);
+  auto& lc3_config = unicast_config.leAudioCodecConfig
+                         .get<LeAudioCodecConfiguration::lc3Config>();
+  hidl_unicast_config.lc3Config = to_hidl_lc3_config_2_1(lc3_config);
 
-    auto& lc3_config = unicast_config.leAudioCodecConfig
-                           .get<LeAudioCodecConfiguration::lc3Config>();
-    hidl_unicast_config.lc3Config = to_hidl_lc3_config_2_1(lc3_config);
+  hidl_unicast_config.streamMap.resize(unicast_config.streamMap.size());
+  for (int i = 0; i < unicast_config.streamMap.size(); i++) {
+    hidl_unicast_config.streamMap[i].audioChannelAllocation =
+        static_cast<uint32_t>(
+            unicast_config.streamMap[i].audioChannelAllocation);
+    hidl_unicast_config.streamMap[i].streamHandle =
+        static_cast<uint16_t>(unicast_config.streamMap[i].streamHandle);
+  }
+  return hidl_leaudio_config;
+}
 
-    hidl_unicast_config.streamMap.resize(unicast_config.streamMap.size());
-    for (int i = 0; i < unicast_config.streamMap.size(); i++) {
-      hidl_unicast_config.streamMap[i].audioChannelAllocation =
-          static_cast<uint32_t>(
-              unicast_config.streamMap[i].audioChannelAllocation);
-      hidl_unicast_config.streamMap[i].streamHandle =
-          static_cast<uint16_t>(unicast_config.streamMap[i].streamHandle);
-    }
-  } else if (leaudio_config.modeConfig.getTag() ==
-             LeAudioConfiguration::LeAudioModeConfig::broadcastConfig) {
-    hidl_leaudio_config.mode = LeAudioMode_2_2::BROADCAST;
-    auto bcast_config =
-        leaudio_config.modeConfig
-            .get<LeAudioConfiguration::LeAudioModeConfig::broadcastConfig>();
-    ::android::hardware::bluetooth::audio::V2_2::BroadcastConfig
-        hidl_bcast_config;
-    hidl_bcast_config.streamMap.resize(bcast_config.streamMap.size());
-    for (int i = 0; i < bcast_config.streamMap.size(); i++) {
-      hidl_bcast_config.streamMap[i].audioChannelAllocation =
-          static_cast<uint32_t>(
-              bcast_config.streamMap[i].audioChannelAllocation);
-      hidl_bcast_config.streamMap[i].streamHandle =
-          static_cast<uint16_t>(bcast_config.streamMap[i].streamHandle);
-      hidl_bcast_config.streamMap[i].lc3Config = to_hidl_lc3_config_2_1(
-          bcast_config.streamMap[i]
-              .leAudioCodecConfig.get<LeAudioCodecConfiguration::lc3Config>());
-    }
+inline LeAudioConfig_2_2 to_hidl_leaudio_broadcast_config_2_2(
+    const LeAudioBroadcastConfiguration& broadcast_config) {
+  LeAudioConfig_2_2 hidl_leaudio_config;
+  hidl_leaudio_config.mode = LeAudioMode_2_2::BROADCAST;
+  ::android::hardware::bluetooth::audio::V2_2::BroadcastConfig
+      hidl_bcast_config;
+  hidl_bcast_config.streamMap.resize(broadcast_config.streamMap.size());
+  for (int i = 0; i < broadcast_config.streamMap.size(); i++) {
+    hidl_bcast_config.streamMap[i].audioChannelAllocation =
+        static_cast<uint32_t>(
+            broadcast_config.streamMap[i].audioChannelAllocation);
+    hidl_bcast_config.streamMap[i].streamHandle =
+        static_cast<uint16_t>(broadcast_config.streamMap[i].streamHandle);
+    hidl_bcast_config.streamMap[i].lc3Config = to_hidl_lc3_config_2_1(
+        broadcast_config.streamMap[i]
+            .leAudioCodecConfig.get<LeAudioCodecConfiguration::lc3Config>());
   }
   return hidl_leaudio_config;
 }
@@ -532,6 +521,10 @@
       hidl_audio_config.leAudioCodecConfig(to_hidl_leaudio_config_2_1(
           audio_config.get<AudioConfiguration::leAudioConfig>()));
       break;
+    case AudioConfiguration::leAudioBroadcastConfig:
+      hidl_audio_config.leAudioCodecConfig(to_hidl_leaudio_broadcast_config_2_1(
+          audio_config.get<AudioConfiguration::leAudioBroadcastConfig>()));
+      break;
   }
   return hidl_audio_config;
 }
@@ -552,6 +545,10 @@
       hidl_audio_config.leAudioConfig(to_hidl_leaudio_config_2_2(
           audio_config.get<AudioConfiguration::leAudioConfig>()));
       break;
+    case AudioConfiguration::leAudioBroadcastConfig:
+      hidl_audio_config.leAudioConfig(to_hidl_leaudio_broadcast_config_2_2(
+          audio_config.get<AudioConfiguration::leAudioBroadcastConfig>()));
+      break;
   }
   return hidl_audio_config;
 }
diff --git a/camera/common/aidl/Android.bp b/camera/common/aidl/Android.bp
index eca70aa..39857ef 100644
--- a/camera/common/aidl/Android.bp
+++ b/camera/common/aidl/Android.bp
@@ -1,3 +1,12 @@
+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.camera.common",
     vendor_available: true,
diff --git a/camera/device/aidl/Android.bp b/camera/device/aidl/Android.bp
index b6cbea4..b6f4c58 100644
--- a/camera/device/aidl/Android.bp
+++ b/camera/device/aidl/Android.bp
@@ -1,3 +1,12 @@
+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.camera.device",
     vendor_available: true,
diff --git a/camera/metadata/aidl/Android.bp b/camera/metadata/aidl/Android.bp
index 05f280c..c5f16e6 100644
--- a/camera/metadata/aidl/Android.bp
+++ b/camera/metadata/aidl/Android.bp
@@ -1,3 +1,12 @@
+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.camera.metadata",
     vendor_available: true,
diff --git a/compatibility_matrices/compatibility_matrix.current.xml b/compatibility_matrices/compatibility_matrix.current.xml
index 18b3885..2390f9d 100644
--- a/compatibility_matrices/compatibility_matrix.current.xml
+++ b/compatibility_matrices/compatibility_matrix.current.xml
@@ -222,10 +222,6 @@
         <name>android.hardware.drm</name>
         <version>1</version>
         <interface>
-            <name>ICryptoFactory</name>
-            <regex-instance>.*</regex-instance>
-        </interface>
-        <interface>
             <name>IDrmFactory</name>
             <regex-instance>.*</regex-instance>
         </interface>
@@ -833,14 +829,6 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="hidl" optional="true">
-        <name>android.hardware.wifi.hostapd</name>
-        <version>1.0-3</version>
-        <interface>
-            <name>IHostapd</name>
-            <instance>default</instance>
-        </interface>
-    </hal>
     <hal format="aidl" optional="true">
         <name>android.hardware.wifi.hostapd</name>
         <version>1</version>
@@ -849,14 +837,6 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="hidl" optional="true">
-        <name>android.hardware.wifi.supplicant</name>
-        <version>1.2-4</version>
-        <interface>
-            <name>ISupplicant</name>
-            <instance>default</instance>
-        </interface>
-    </hal>
     <hal format="aidl" optional="true">
         <name>android.hardware.wifi.supplicant</name>
         <interface>
diff --git a/drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/DecryptResult.aidl b/drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/CryptoSchemes.aidl
similarity index 87%
copy from drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/DecryptResult.aidl
copy to drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/CryptoSchemes.aidl
index d2b48d2..ea736cf 100644
--- a/drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/DecryptResult.aidl
+++ b/drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/CryptoSchemes.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.
@@ -33,7 +33,9 @@
 
 package android.hardware.drm;
 @VintfStability
-parcelable DecryptResult {
-  int bytesWritten;
-  String detailedError;
+parcelable CryptoSchemes {
+  List<android.hardware.drm.Uuid> uuids;
+  android.hardware.drm.SecurityLevel minLevel;
+  android.hardware.drm.SecurityLevel maxLevel;
+  List<String> mimeTypes;
 }
diff --git a/drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/ICryptoFactory.aidl b/drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/DecryptArgs.aidl
similarity index 82%
copy from drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/ICryptoFactory.aidl
copy to drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/DecryptArgs.aidl
index 0d4296e..9c574a4 100644
--- a/drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/ICryptoFactory.aidl
+++ b/drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/DecryptArgs.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.
@@ -33,7 +33,14 @@
 
 package android.hardware.drm;
 @VintfStability
-interface ICryptoFactory {
-  @nullable android.hardware.drm.ICryptoPlugin createPlugin(in android.hardware.drm.Uuid uuid, in byte[] initData);
-  boolean isCryptoSchemeSupported(in android.hardware.drm.Uuid uuid);
+parcelable DecryptArgs {
+  boolean secure;
+  byte[] keyId;
+  byte[] iv;
+  android.hardware.drm.Mode mode;
+  android.hardware.drm.Pattern pattern;
+  android.hardware.drm.SubSample[] subSamples;
+  android.hardware.drm.SharedBuffer source;
+  long offset;
+  android.hardware.drm.DestinationBuffer destination;
 }
diff --git a/drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/DestinationBuffer.aidl b/drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/DestinationBuffer.aidl
index 4f2d133..8c3ba7d 100644
--- a/drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/DestinationBuffer.aidl
+++ b/drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/DestinationBuffer.aidl
@@ -33,8 +33,7 @@
 
 package android.hardware.drm;
 @VintfStability
-parcelable DestinationBuffer {
-  android.hardware.drm.BufferType type;
+union DestinationBuffer {
   android.hardware.drm.SharedBuffer nonsecureMemory;
   android.hardware.common.NativeHandle secureMemory;
 }
diff --git a/drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/ICryptoPlugin.aidl b/drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/ICryptoPlugin.aidl
index 2224795..31c45e0 100644
--- a/drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/ICryptoPlugin.aidl
+++ b/drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/ICryptoPlugin.aidl
@@ -34,10 +34,10 @@
 package android.hardware.drm;
 @VintfStability
 interface ICryptoPlugin {
-  android.hardware.drm.DecryptResult decrypt(in boolean secure, in byte[] keyId, in byte[] iv, in android.hardware.drm.Mode mode, in android.hardware.drm.Pattern pattern, in android.hardware.drm.SubSample[] subSamples, in android.hardware.drm.SharedBuffer source, in long offset, in android.hardware.drm.DestinationBuffer destination);
+  int decrypt(in android.hardware.drm.DecryptArgs args);
   List<android.hardware.drm.LogMessage> getLogMessages();
   void notifyResolution(in int width, in int height);
   boolean requiresSecureDecoderComponent(in String mime);
   void setMediaDrmSession(in byte[] sessionId);
-  void setSharedBufferBase(in android.hardware.common.Ashmem base, in int bufferId);
+  void setSharedBufferBase(in android.hardware.drm.SharedBuffer base);
 }
diff --git a/drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/IDrmFactory.aidl b/drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/IDrmFactory.aidl
index af48737..82efbb7 100644
--- a/drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/IDrmFactory.aidl
+++ b/drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/IDrmFactory.aidl
@@ -34,8 +34,7 @@
 package android.hardware.drm;
 @VintfStability
 interface IDrmFactory {
-  @nullable android.hardware.drm.IDrmPlugin createPlugin(in android.hardware.drm.Uuid uuid, in String appPackageName);
-  List<android.hardware.drm.Uuid> getSupportedCryptoSchemes();
-  boolean isContentTypeSupported(in String mimeType);
-  boolean isCryptoSchemeSupported(in android.hardware.drm.Uuid uuid, in String mimeType, in android.hardware.drm.SecurityLevel securityLevel);
+  @nullable android.hardware.drm.IDrmPlugin createDrmPlugin(in android.hardware.drm.Uuid uuid, in String appPackageName);
+  @nullable android.hardware.drm.ICryptoPlugin createCryptoPlugin(in android.hardware.drm.Uuid uuid, in byte[] initData);
+  android.hardware.drm.CryptoSchemes getSupportedCryptoSchemes();
 }
diff --git a/drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/IDrmPlugin.aidl b/drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/IDrmPlugin.aidl
index 5f839d7..ae10062 100644
--- a/drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/IDrmPlugin.aidl
+++ b/drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/IDrmPlugin.aidl
@@ -63,7 +63,6 @@
   void removeOfflineLicense(in android.hardware.drm.KeySetId keySetId);
   void removeSecureStop(in android.hardware.drm.SecureStopId secureStopId);
   boolean requiresSecureDecoder(in String mime, in android.hardware.drm.SecurityLevel level);
-  boolean requiresSecureDecoderDefault(in String mime);
   void restoreKeys(in byte[] sessionId, in android.hardware.drm.KeySetId keySetId);
   void setCipherAlgorithm(in byte[] sessionId, in String algorithm);
   void setListener(in android.hardware.drm.IDrmPluginListener listener);
diff --git a/drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/KeyStatusType.aidl b/drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/KeyStatusType.aidl
index e88d388..261516f 100644
--- a/drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/KeyStatusType.aidl
+++ b/drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/KeyStatusType.aidl
@@ -36,8 +36,8 @@
 enum KeyStatusType {
   USABLE = 0,
   EXPIRED = 1,
-  OUTPUTNOTALLOWED = 2,
-  STATUSPENDING = 3,
-  INTERNALERROR = 4,
-  USABLEINFUTURE = 5,
+  OUTPUT_NOT_ALLOWED = 2,
+  STATUS_PENDING = 3,
+  INTERNAL_ERROR = 4,
+  USABLE_IN_FUTURE = 5,
 }
diff --git a/drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/SharedBuffer.aidl b/drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/SharedBuffer.aidl
index 973ef0d..314fe7c 100644
--- a/drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/SharedBuffer.aidl
+++ b/drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/SharedBuffer.aidl
@@ -37,4 +37,5 @@
   int bufferId;
   long offset;
   long size;
+  android.hardware.common.NativeHandle handle;
 }
diff --git a/drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/Uuid.aidl b/drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/Uuid.aidl
index ec2eb16..3c2cfa20 100644
--- a/drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/Uuid.aidl
+++ b/drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/Uuid.aidl
@@ -34,5 +34,5 @@
 package android.hardware.drm;
 @VintfStability
 parcelable Uuid {
-  byte[] uuid;
+  byte[16] uuid;
 }
diff --git a/drm/aidl/android/hardware/drm/BufferType.aidl b/drm/aidl/android/hardware/drm/BufferType.aidl
deleted file mode 100644
index 089c950..0000000
--- a/drm/aidl/android/hardware/drm/BufferType.aidl
+++ /dev/null
@@ -1,24 +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.drm;
-
-@VintfStability
-@Backing(type="int")
-enum BufferType {
-    SHARED_MEMORY = 0,
-    NATIVE_HANDLE = 1,
-}
diff --git a/drm/aidl/android/hardware/drm/CryptoSchemes.aidl b/drm/aidl/android/hardware/drm/CryptoSchemes.aidl
new file mode 100644
index 0000000..b4b34ec
--- /dev/null
+++ b/drm/aidl/android/hardware/drm/CryptoSchemes.aidl
@@ -0,0 +1,45 @@
+/*
+ * 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.drm;
+
+import android.hardware.drm.SecurityLevel;
+import android.hardware.drm.Uuid;
+
+@VintfStability
+parcelable CryptoSchemes {
+
+    /**
+     * Supported crypto schemes
+     */
+    List<Uuid> uuids;
+
+    /**
+     * Minimum supported security level (inclusive)
+     */
+    SecurityLevel minLevel;
+
+    /**
+     * Maximum supported security level (inclusive)
+     */
+    SecurityLevel maxLevel;
+
+    /**
+     * Supported mime types
+     */
+    List<String> mimeTypes;
+
+}
diff --git a/drm/aidl/android/hardware/drm/DecryptArgs.aidl b/drm/aidl/android/hardware/drm/DecryptArgs.aidl
new file mode 100644
index 0000000..5ec1b71
--- /dev/null
+++ b/drm/aidl/android/hardware/drm/DecryptArgs.aidl
@@ -0,0 +1,87 @@
+/*
+ * 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.drm;
+
+import android.hardware.drm.DestinationBuffer;
+import android.hardware.drm.KeyStatusType;
+import android.hardware.drm.Mode;
+import android.hardware.drm.Pattern;
+import android.hardware.drm.SharedBuffer;
+import android.hardware.drm.SubSample;
+
+/**
+ * Arguments to ICryptoPlugin decrypt
+ */
+@VintfStability
+parcelable DecryptArgs {
+
+    /**
+     * A flag to indicate if a secure decoder is being used.
+     *
+     * This enables the plugin to configure buffer modes to work consistently
+     * with a secure decoder.
+     */
+    boolean secure;
+
+    /**
+     * The keyId for the key that is used to do the decryption.
+     *
+     * The keyId refers to a key in the associated MediaDrm instance.
+     */
+    byte[] keyId;
+
+    /**
+     * The initialization vector
+     */
+    byte[] iv;
+
+    /**
+     * Crypto mode
+     */
+    Mode mode;
+
+    /**
+     * Crypto pattern
+     */
+    Pattern pattern;
+
+    /**
+     * A vector of subsamples indicating the number of clear and encrypted
+     * bytes to process.
+     *
+     * This allows the decrypt call to operate on a range of subsamples in a
+     * single call
+     */
+    SubSample[] subSamples;
+
+    /**
+     * Input buffer for the decryption
+     */
+    SharedBuffer source;
+
+    /**
+     * The offset of the first byte of encrypted data from the base of the
+     * source buffer
+     */
+    long offset;
+
+    /**
+     * Output buffer for the decryption
+     */
+    DestinationBuffer destination;
+
+}
diff --git a/drm/aidl/android/hardware/drm/DestinationBuffer.aidl b/drm/aidl/android/hardware/drm/DestinationBuffer.aidl
index 0f1e3f5..7fc61e1 100644
--- a/drm/aidl/android/hardware/drm/DestinationBuffer.aidl
+++ b/drm/aidl/android/hardware/drm/DestinationBuffer.aidl
@@ -17,29 +17,24 @@
 package android.hardware.drm;
 
 import android.hardware.common.NativeHandle;
-import android.hardware.drm.BufferType;
 import android.hardware.drm.SharedBuffer;
 
 /**
  * A decrypt destination buffer can be either normal user-space shared
  * memory for the non-secure decrypt case, or it can be a secure buffer
- * which is referenced by a native-handle. The native handle is allocated
- * by the vendor's buffer allocator.
+ * which is referenced by a native-handle.
+ *
+ * The native handle is allocated by the vendor's buffer allocator.
  */
 @VintfStability
-parcelable DestinationBuffer {
+union DestinationBuffer {
     /**
-     * The type of the buffer
-     */
-    BufferType type;
-    /**
-     * If type == SHARED_MEMORY, the decrypted data must be written
-     * to user-space non-secure shared memory.
+     * decrypted data written to user-space non-secure shared memory.
      */
     SharedBuffer nonsecureMemory;
     /**
-     * If type == NATIVE_HANDLE, the decrypted data must be written
-     * to secure memory referenced by the vendor's buffer allocator.
+     * decrypted data written to secure memory referenced by the vendor's
+     * buffer allocator.
      */
     NativeHandle secureMemory;
 }
diff --git a/drm/aidl/android/hardware/drm/ICryptoFactory.aidl b/drm/aidl/android/hardware/drm/ICryptoFactory.aidl
deleted file mode 100644
index 202bd3d..0000000
--- a/drm/aidl/android/hardware/drm/ICryptoFactory.aidl
+++ /dev/null
@@ -1,51 +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.drm;
-
-import android.hardware.drm.Uuid;
-
-/**
- * ICryptoFactory is the main entry point for interacting with a vendor's
- * crypto HAL to create crypto plugins.
-
- * Crypto plugins create crypto sessions which are used by a codec to decrypt
- * protected video content.
- */
-@VintfStability
-interface ICryptoFactory {
-    /**
-     * Create a crypto plugin for the specified uuid and scheme-specific
-     * initialization data.
-     *
-     * @param uuid uniquely identifies the drm scheme. See
-     *     http://dashif.org/identifiers/protection for uuid assignments
-     *
-     * @param initData scheme-specific init data.
-     *
-     * @return A crypto plugin instance if successful, or null if not created.
-     */
-    @nullable android.hardware.drm.ICryptoPlugin createPlugin(
-            in Uuid uuid, in byte[] initData);
-
-    /**
-     * Determine if a crypto scheme is supported by this HAL.
-     *
-     * @param uuid identifies the crypto scheme in question
-     * @return must be true only if the scheme is supported
-     */
-    boolean isCryptoSchemeSupported(in Uuid uuid);
-}
diff --git a/drm/aidl/android/hardware/drm/ICryptoPlugin.aidl b/drm/aidl/android/hardware/drm/ICryptoPlugin.aidl
index 80a63df..d344b62 100644
--- a/drm/aidl/android/hardware/drm/ICryptoPlugin.aidl
+++ b/drm/aidl/android/hardware/drm/ICryptoPlugin.aidl
@@ -17,7 +17,7 @@
 package android.hardware.drm;
 
 import android.hardware.common.Ashmem;
-import android.hardware.drm.DecryptResult;
+import android.hardware.drm.DecryptArgs;
 import android.hardware.drm.DestinationBuffer;
 import android.hardware.drm.LogMessage;
 import android.hardware.drm.Mode;
@@ -38,23 +38,7 @@
      * Decrypt an array of subsamples from the source memory buffer to the
      * destination memory buffer.
      *
-     * @param secure a flag to indicate if a secure decoder is being used.
-     *     This enables the plugin to configure buffer modes to work
-     *     consistently with a secure decoder.
-     * @param the keyId for the key that is used to do the decryption. The
-     *     keyId refers to a key in the associated MediaDrm instance.
-     * @param iv the initialization vector to use
-     * @param mode the crypto mode to use
-     * @param pattern the crypto pattern to use
-     * @param subSamples a vector of subsamples indicating the number
-     *     of clear and encrypted bytes to process. This allows the decrypt
-     *     call to operate on a range of subsamples in a single call
-     * @param source the input buffer for the decryption
-     * @param offset the offset of the first byte of encrypted data from
-     *     the base of the source buffer
-     * @param destination the output buffer for the decryption
-     *
-     * @return DecryptResult parcelable
+     * @return number of decrypted bytes
      *     Implicit error codes:
      *       + ERROR_DRM_CANNOT_HANDLE in other failure cases
      *       + ERROR_DRM_DECRYPT if the decrypt operation fails
@@ -74,9 +58,7 @@
      *       + ERROR_DRM_SESSION_NOT_OPENED if the decrypt session is not
      *             opened
      */
-    DecryptResult decrypt(in boolean secure, in byte[] keyId, in byte[] iv, in Mode mode,
-            in Pattern pattern, in SubSample[] subSamples, in SharedBuffer source, in long offset,
-            in DestinationBuffer destination);
+    int decrypt(in DecryptArgs args);
 
     /**
      * Get OEMCrypto or plugin error messages.
@@ -129,10 +111,8 @@
      * There can be multiple shared buffers per crypto plugin. The buffers
      * are distinguished by the bufferId.
      *
-     * @param base the base of the memory buffer identified by
-     *     bufferId
-     * @param bufferId identifies the specific shared buffer for which
-     *     the base is being set.
+     * @param base the base of the memory buffer abstracted by
+     *     SharedBuffer parcelable (bufferId, size, handle)
      */
-    void setSharedBufferBase(in Ashmem base, in int bufferId);
+    void setSharedBufferBase(in SharedBuffer base);
 }
diff --git a/drm/aidl/android/hardware/drm/IDrmFactory.aidl b/drm/aidl/android/hardware/drm/IDrmFactory.aidl
index b9622a4..86c3f21 100644
--- a/drm/aidl/android/hardware/drm/IDrmFactory.aidl
+++ b/drm/aidl/android/hardware/drm/IDrmFactory.aidl
@@ -16,6 +16,7 @@
 
 package android.hardware.drm;
 
+import android.hardware.drm.CryptoSchemes;
 import android.hardware.drm.SecurityLevel;
 import android.hardware.drm.Uuid;
 
@@ -40,37 +41,30 @@
      *     Implicit error codes:
      *       + ERROR_DRM_CANNOT_HANDLE if the plugin cannot be created.
      */
-    @nullable android.hardware.drm.IDrmPlugin createPlugin(
+    @nullable android.hardware.drm.IDrmPlugin createDrmPlugin(
             in Uuid uuid, in String appPackageName);
 
     /**
+     * Create a crypto plugin for the specified uuid and scheme-specific
+     * initialization data.
+     *
+     * @param uuid uniquely identifies the drm scheme. See
+     *     http://dashif.org/identifiers/protection for uuid assignments
+     *
+     * @param initData scheme-specific init data.
+     *
+     * @return A crypto plugin instance if successful, or null if not created.
+     */
+    @nullable android.hardware.drm.ICryptoPlugin createCryptoPlugin(
+            in Uuid uuid, in byte[] initData);
+
+    /**
      * Return vector of uuids identifying crypto schemes supported by
      * this HAL.
      *
      * @return List of uuids for which isCryptoSchemeSupported is true;
      *      each uuid can be used as input to createPlugin.
      */
-    List<Uuid> getSupportedCryptoSchemes();
+    CryptoSchemes getSupportedCryptoSchemes();
 
-    /**
-     * Determine if the HAL factory is able to construct plugins that
-     * support a given media container format specified by mimeType
-     *
-     * @param mimeType identifies the mime type in question
-     *
-     * @return must be true only if the scheme is supported
-     */
-    boolean isContentTypeSupported(in String mimeType);
-
-    /**
-     * Determine if a specific security level is supported by the device.
-     *
-     * @param uuid identifies the crypto scheme in question
-     * @param mimeType identifies the mime type in question
-     * @param securityLevel specifies the security level required
-     *
-     * @return must be true only if the scheme is supported
-     */
-    boolean isCryptoSchemeSupported(
-            in Uuid uuid, in String mimeType, in SecurityLevel securityLevel);
 }
diff --git a/drm/aidl/android/hardware/drm/IDrmPlugin.aidl b/drm/aidl/android/hardware/drm/IDrmPlugin.aidl
index e649f26..11ca8b6 100644
--- a/drm/aidl/android/hardware/drm/IDrmPlugin.aidl
+++ b/drm/aidl/android/hardware/drm/IDrmPlugin.aidl
@@ -577,17 +577,6 @@
     boolean requiresSecureDecoder(in String mime, in SecurityLevel level);
 
     /**
-     * Check if the specified mime-type requires a secure decoder component
-     * at the highest security level supported on the device.
-     *
-     * @param mime The content mime-type
-     *
-     * @return must be true if and only if a secure decoder is required
-     *     for the specified mime-type
-     */
-    boolean requiresSecureDecoderDefault(in String mime);
-
-    /**
      * Restore persisted offline keys into a new session
      *
      * @param sessionId the session id the call applies to
diff --git a/drm/aidl/android/hardware/drm/KeyStatusType.aidl b/drm/aidl/android/hardware/drm/KeyStatusType.aidl
index 6902d87..6c3c6a2 100644
--- a/drm/aidl/android/hardware/drm/KeyStatusType.aidl
+++ b/drm/aidl/android/hardware/drm/KeyStatusType.aidl
@@ -32,20 +32,20 @@
      * The key is not currently usable to decrypt media data because its output
      * requirements cannot currently be met.
      */
-    OUTPUTNOTALLOWED,
+    OUTPUT_NOT_ALLOWED,
     /**
      * The status of the key is not yet known and is being determined.
      */
-    STATUSPENDING,
+    STATUS_PENDING,
     /**
      * The key is not currently usable to decrypt media data because of an
      * internal error in processing unrelated to input parameters.
      */
-    INTERNALERROR,
+    INTERNAL_ERROR,
     /**
      * The key is not yet usable to decrypt media because the start
      * time is in the future. The key must become usable when
      * its start time is reached.
      */
-    USABLEINFUTURE,
+    USABLE_IN_FUTURE,
 }
diff --git a/drm/aidl/android/hardware/drm/SharedBuffer.aidl b/drm/aidl/android/hardware/drm/SharedBuffer.aidl
index 6977284..2b2610f 100644
--- a/drm/aidl/android/hardware/drm/SharedBuffer.aidl
+++ b/drm/aidl/android/hardware/drm/SharedBuffer.aidl
@@ -16,6 +16,8 @@
 
 package android.hardware.drm;
 
+import android.hardware.common.NativeHandle;
+
 /**
  * SharedBuffer describes a decrypt buffer which is defined by a bufferId, an
  * offset and a size.  The offset is relative to the shared memory base for the
@@ -36,4 +38,8 @@
      * The size of the shared buffer in bytes
      */
     long size;
+    /**
+     * Handle to shared memory
+     */
+    NativeHandle handle;
 }
diff --git a/drm/aidl/android/hardware/drm/Uuid.aidl b/drm/aidl/android/hardware/drm/Uuid.aidl
index b36c409..db5a70d 100644
--- a/drm/aidl/android/hardware/drm/Uuid.aidl
+++ b/drm/aidl/android/hardware/drm/Uuid.aidl
@@ -18,5 +18,5 @@
 
 @VintfStability
 parcelable Uuid {
-    byte[] uuid;
+    byte[16] uuid;
 }
diff --git a/drm/aidl/vts/Android.bp b/drm/aidl/vts/Android.bp
index 5b41830..190f60d 100644
--- a/drm/aidl/vts/Android.bp
+++ b/drm/aidl/vts/Android.bp
@@ -49,6 +49,8 @@
         "android.hardware.drm@1.0-helper",
         "android.hardware.drm-V1-ndk",
         "android.hardware.common-V2-ndk",
+        "libaidlcommonsupport",
+        "libgmock_ndk",
         "libdrmvtshelper",
         "libvtsclearkey",
     ],
diff --git a/drm/aidl/vts/drm_hal_common.cpp b/drm/aidl/vts/drm_hal_common.cpp
index 751c25b..9b315f4 100644
--- a/drm/aidl/vts/drm_hal_common.cpp
+++ b/drm/aidl/vts/drm_hal_common.cpp
@@ -22,9 +22,11 @@
 #include <sys/mman.h>
 #include <random>
 
+#include <aidlcommonsupport/NativeHandle.h>
 #include <android/binder_manager.h>
 #include <android/binder_process.h>
 #include <android/sharedmem.h>
+#include <cutils/native_handle.h>
 
 #include "drm_hal_clearkey_module.h"
 #include "drm_hal_common.h"
@@ -39,8 +41,7 @@
 
 using std::vector;
 using ::aidl::android::hardware::common::Ashmem;
-using ::aidl::android::hardware::drm::BufferType;
-using ::aidl::android::hardware::drm::DecryptResult;
+using ::aidl::android::hardware::drm::DecryptArgs;
 using ::aidl::android::hardware::drm::DestinationBuffer;
 using ::aidl::android::hardware::drm::EventType;
 using ::aidl::android::hardware::drm::ICryptoPlugin;
@@ -72,7 +73,6 @@
 }
 
 const char* kDrmIface = "android.hardware.drm.IDrmFactory";
-const char* kCryptoIface = "android.hardware.drm.ICryptoFactory";
 
 std::string HalFullName(const std::string& iface, const std::string& basename) {
     return iface + '/' + basename;
@@ -184,7 +184,6 @@
           test_info->name(), GetParamService().c_str());
 
     auto svc = GetParamService();
-    const string cryptoInstance = HalFullName(kCryptoIface, svc);
     const string drmInstance = HalFullName(kDrmIface, svc);
 
     if (drmInstance.find("IDrmFactory") != std::string::npos) {
@@ -192,12 +191,6 @@
                 ::ndk::SpAIBinder(AServiceManager_waitForService(drmInstance.c_str())));
         ASSERT_NE(drmFactory, nullptr);
         drmPlugin = createDrmPlugin();
-    }
-
-    if (cryptoInstance.find("ICryptoFactory") != std::string::npos) {
-        cryptoFactory = ICryptoFactory::fromBinder(
-                ::ndk::SpAIBinder(AServiceManager_waitForService(cryptoInstance.c_str())));
-        ASSERT_NE(cryptoFactory, nullptr);
         cryptoPlugin = createCryptoPlugin();
     }
 
@@ -211,14 +204,12 @@
     contentConfigurations = vendorModule->getContentConfigurations();
 
     // If drm scheme not installed skip subsequent tests
-    bool result = false;
-    drmFactory->isCryptoSchemeSupported({getUUID()}, "cenc", SecurityLevel::SW_SECURE_CRYPTO,
-                                        &result);
+    bool result = isCryptoSchemeSupported(getAidlUUID(), SecurityLevel::SW_SECURE_CRYPTO, "cenc");
     if (!result) {
         if (GetParamUUID() == std::array<uint8_t, 16>()) {
             GTEST_SKIP() << "vendor module drm scheme not supported";
         } else {
-            FAIL() << "param scheme must not supported";
+            FAIL() << "param scheme must be supported";
         }
     }
 
@@ -234,18 +225,18 @@
     }
     std::string packageName("aidl.android.hardware.drm.test");
     std::shared_ptr<::aidl::android::hardware::drm::IDrmPlugin> result;
-    auto ret = drmFactory->createPlugin({getUUID()}, packageName, &result);
+    auto ret = drmFactory->createDrmPlugin(getAidlUUID(), packageName, &result);
     EXPECT_OK(ret) << "createDrmPlugin remote call failed";
     return result;
 }
 
 std::shared_ptr<::aidl::android::hardware::drm::ICryptoPlugin> DrmHalTest::createCryptoPlugin() {
-    if (cryptoFactory == nullptr) {
+    if (drmFactory == nullptr) {
         return nullptr;
     }
     vector<uint8_t> initVec;
     std::shared_ptr<::aidl::android::hardware::drm::ICryptoPlugin> result;
-    auto ret = cryptoFactory->createPlugin({getUUID()}, initVec, &result);
+    auto ret = drmFactory->createCryptoPlugin(getAidlUUID(), initVec, &result);
     EXPECT_OK(ret) << "createCryptoPlugin remote call failed";
     return result;
 }
@@ -270,6 +261,26 @@
     return vendorModule->getUUID();
 }
 
+bool DrmHalTest::isCryptoSchemeSupported(Uuid uuid, SecurityLevel level, std::string mime) {
+    CryptoSchemes schemes{};
+    auto ret = drmFactory->getSupportedCryptoSchemes(&schemes);
+    EXPECT_OK(ret);
+    if (!ret.isOk() || !std::count(schemes.uuids.begin(), schemes.uuids.end(), uuid)) {
+        return false;
+    }
+    if (level > schemes.maxLevel || level < schemes.minLevel) {
+        if (level != SecurityLevel::DEFAULT && level != SecurityLevel::UNKNOWN) {
+            return false;
+        }
+    }
+    if (!mime.empty()) {
+        if (!std::count(schemes.mimeTypes.begin(), schemes.mimeTypes.end(), mime)) {
+            return false;
+        }
+    }
+    return true;
+}
+
 void DrmHalTest::provision() {
     std::string certificateType;
     std::string certificateAuthority;
@@ -410,38 +421,43 @@
 
 /**
  * getDecryptMemory allocates memory for decryption, then sets it
- * as a shared buffer base in the crypto hal.  A parcelable Ashmem
- * is returned.
+ * as a shared buffer base in the crypto hal. An output SharedBuffer
+ * is updated via reference.
  *
  * @param size the size of the memory segment to allocate
  * @param the index of the memory segment which will be used
  * to refer to it for decryption.
  */
-Ashmem DrmHalTest::getDecryptMemory(size_t size, size_t index) {
+void DrmHalTest::getDecryptMemory(size_t size, size_t index, SharedBuffer& out) {
+    out.bufferId = static_cast<int32_t>(index);
+    out.offset = 0;
+    out.size = static_cast<int64_t>(size);
+
     int fd = ASharedMemory_create("drmVtsSharedMemory", size);
     EXPECT_GE(fd, 0);
     EXPECT_EQ(size, ASharedMemory_getSize(fd));
+    auto handle = native_handle_create(1, 0);
+    handle->data[0] = fd;
+    out.handle = ::android::makeToAidl(handle);
 
-    Ashmem ashmem;
-    ashmem.fd = ::ndk::ScopedFileDescriptor(fd);
-    ashmem.size = size;
-    EXPECT_OK(cryptoPlugin->setSharedBufferBase(ashmem, index));
-    return ashmem;
+    EXPECT_OK(cryptoPlugin->setSharedBufferBase(out));
+    native_handle_delete(handle);
 }
 
-void DrmHalTest::fillRandom(const Ashmem& ashmem) {
+uint8_t* DrmHalTest::fillRandom(const ::aidl::android::hardware::drm::SharedBuffer& buf) {
     std::random_device rd;
     std::mt19937 rand(rd());
 
-    ::ndk::ScopedFileDescriptor fd = ashmem.fd.dup();
-    size_t size = ashmem.size;
+    auto fd = buf.handle.fds[0].get();
+    size_t size = buf.size;
     uint8_t* base = static_cast<uint8_t*>(
-            mmap(nullptr, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd.get(), 0));
+            mmap(nullptr, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0));
     EXPECT_NE(MAP_FAILED, base);
     for (size_t i = 0; i < size / sizeof(uint32_t); i++) {
         auto p = static_cast<uint32_t*>(static_cast<void*>(base));
         p[i] = rand();
     }
+    return base;
 }
 
 uint32_t DrmHalTest::decrypt(Mode mode, bool isSecure, const std::array<uint8_t, 16>& keyId,
@@ -453,6 +469,7 @@
     uint8_t localIv[AES_BLOCK_SIZE];
     memcpy(localIv, iv, AES_BLOCK_SIZE);
     vector<uint8_t> ivVec(localIv, localIv + AES_BLOCK_SIZE);
+    vector<uint8_t> keyIdVec(keyId.begin(), keyId.end());
 
     int64_t totalSize = 0;
     for (size_t i = 0; i < subSamples.size(); i++) {
@@ -463,32 +480,39 @@
     // The first totalSize bytes of shared memory is the encrypted
     // input, the second totalSize bytes (if exists) is the decrypted output.
     size_t factor = expectedStatus == Status::ERROR_DRM_FRAME_TOO_LARGE ? 1 : 2;
-    Ashmem sharedMemory = getDecryptMemory(totalSize * factor, kSegmentIndex);
+    SharedBuffer sourceBuffer;
+    getDecryptMemory(totalSize * factor, kSegmentIndex, sourceBuffer);
+    auto base = fillRandom(sourceBuffer);
 
-    const SharedBuffer sourceBuffer = {.bufferId = kSegmentIndex, .offset = 0, .size = totalSize};
-    fillRandom(sharedMemory);
+    SharedBuffer sourceRange;
+    sourceRange.bufferId = kSegmentIndex;
+    sourceRange.offset = 0;
+    sourceRange.size = totalSize;
 
-    const DestinationBuffer destBuffer = {
-            .type = BufferType::SHARED_MEMORY,
-            .nonsecureMemory = {.bufferId = kSegmentIndex, .offset = totalSize, .size = totalSize},
-            .secureMemory = {.fds = {}, .ints = {}}};
-    const uint64_t offset = 0;
-    uint32_t bytesWritten = 0;
-    vector<uint8_t> keyIdVec(keyId.begin(), keyId.end());
-    DecryptResult result;
-    auto ret = cryptoPlugin->decrypt(isSecure, keyIdVec, ivVec, mode, pattern, subSamples,
-                                     sourceBuffer, offset, destBuffer, &result);
+    SharedBuffer destRange;
+    destRange.bufferId = kSegmentIndex;
+    destRange.offset = totalSize;
+    destRange.size = totalSize;
+
+    DecryptArgs args;
+    args.secure = isSecure;
+    args.keyId = keyIdVec;
+    args.iv = ivVec;
+    args.mode = mode;
+    args.pattern = pattern;
+    args.subSamples = subSamples;
+    args.source = std::move(sourceRange);
+    args.offset = 0;
+    args.destination = std::move(destRange);
+
+    int32_t bytesWritten = 0;
+    auto ret = cryptoPlugin->decrypt(args, &bytesWritten);
     EXPECT_TXN(ret);
-    EXPECT_EQ(expectedStatus, DrmErr(ret)) << "Unexpected decrypt status " << result.detailedError;
-    bytesWritten = result.bytesWritten;
+    EXPECT_EQ(expectedStatus, DrmErr(ret)) << "Unexpected decrypt status " << ret.getMessage();
 
     if (bytesWritten != totalSize) {
         return bytesWritten;
     }
-    ::ndk::ScopedFileDescriptor fd = sharedMemory.fd.dup();
-    uint8_t* base = static_cast<uint8_t*>(
-            mmap(nullptr, totalSize, PROT_READ | PROT_WRITE, MAP_SHARED, fd.get(), 0));
-    EXPECT_NE(MAP_FAILED, base);
 
     // generate reference vector
     vector<uint8_t> reference(totalSize);
@@ -513,6 +537,7 @@
     EXPECT_EQ(0, memcmp(static_cast<void*>(&reference[0]), static_cast<void*>(base + totalSize),
                         totalSize))
             << "decrypt data mismatch";
+    munmap(base, totalSize * factor);
     return totalSize;
 }
 
diff --git a/drm/aidl/vts/drm_hal_test.cpp b/drm/aidl/vts/drm_hal_test.cpp
index 3ac9f5c..266ea39 100644
--- a/drm/aidl/vts/drm_hal_test.cpp
+++ b/drm/aidl/vts/drm_hal_test.cpp
@@ -66,11 +66,8 @@
  * Ensure drm factory supports module UUID Scheme
  */
 TEST_P(DrmHalTest, VendorUuidSupported) {
-    bool result = false;
-    auto ret =
-            drmFactory->isCryptoSchemeSupported(getAidlUUID(), kVideoMp4, kSwSecureCrypto, &result);
-    ALOGI("kVideoMp4 = %s res %d", kVideoMp4, static_cast<bool>(result));
-    EXPECT_OK(ret);
+    bool result = isCryptoSchemeSupported(getAidlUUID(), kSwSecureCrypto, kVideoMp4);
+    ALOGI("kVideoMp4 = %s res %d", kVideoMp4, result);
     EXPECT_TRUE(result);
 }
 
@@ -80,10 +77,7 @@
 TEST_P(DrmHalTest, InvalidPluginNotSupported) {
     const vector<uint8_t> kInvalidUUID = {0x10, 0x20, 0x30, 0x40, 0x50, 0x60, 0x70, 0x80,
                                           0x10, 0x20, 0x30, 0x40, 0x50, 0x60, 0x70, 0x80};
-    bool result = false;
-    auto ret = drmFactory->isCryptoSchemeSupported(toAidlUuid(kInvalidUUID), kVideoMp4,
-                                                   kSwSecureCrypto, &result);
-    EXPECT_OK(ret);
+    auto result = isCryptoSchemeSupported(toAidlUuid(kInvalidUUID), kSwSecureCrypto, kVideoMp4);
     EXPECT_FALSE(result);
 }
 
@@ -93,10 +87,7 @@
 TEST_P(DrmHalTest, EmptyPluginUUIDNotSupported) {
     vector<uint8_t> emptyUUID(16);
     memset(emptyUUID.data(), 0, 16);
-    bool result = false;
-    auto ret = drmFactory->isCryptoSchemeSupported(toAidlUuid(emptyUUID), kVideoMp4,
-                                                   kSwSecureCrypto, &result);
-    EXPECT_OK(ret);
+    auto result = isCryptoSchemeSupported(toAidlUuid(emptyUUID), kSwSecureCrypto, kVideoMp4);
     EXPECT_FALSE(result);
 }
 
@@ -104,10 +95,7 @@
  * Ensure drm factory doesn't support an invalid mime type
  */
 TEST_P(DrmHalTest, BadMimeNotSupported) {
-    bool result = false;
-    auto ret =
-            drmFactory->isCryptoSchemeSupported(getAidlUUID(), kBadMime, kSwSecureCrypto, &result);
-    EXPECT_OK(ret);
+    auto result = isCryptoSchemeSupported(getAidlUUID(), kSwSecureCrypto, kBadMime);
     EXPECT_FALSE(result);
 }
 
@@ -380,9 +368,7 @@
  * Ensure clearkey drm factory doesn't support security level higher than supported
  */
 TEST_P(DrmHalClearkeyTest, BadLevelNotSupported) {
-    bool result = false;
-    auto ret = drmFactory->isCryptoSchemeSupported(getAidlUUID(), kVideoMp4, kHwSecureAll, &result);
-    EXPECT_OK(ret);
+    auto result = isCryptoSchemeSupported(getAidlUUID(), kHwSecureAll, kVideoMp4);
     EXPECT_FALSE(result);
 }
 
@@ -461,7 +447,7 @@
     const vector<KeyStatus> keyStatusList = {
             {{0xa, 0xb, 0xc}, KeyStatusType::USABLE},
             {{0xd, 0xe, 0xf}, KeyStatusType::EXPIRED},
-            {{0x0, 0x1, 0x2}, KeyStatusType::USABLEINFUTURE},
+            {{0x0, 0x1, 0x2}, KeyStatusType::USABLE_IN_FUTURE},
     };
     EXPECT_EQ(sessionId, args.sessionId);
     EXPECT_EQ(keyStatusList, args.keyStatusList);
diff --git a/drm/aidl/vts/drm_hal_test_main.cpp b/drm/aidl/vts/drm_hal_test_main.cpp
index dc0f6d7..833a51a 100644
--- a/drm/aidl/vts/drm_hal_test_main.cpp
+++ b/drm/aidl/vts/drm_hal_test_main.cpp
@@ -42,21 +42,15 @@
 using drm_vts::PrintParamInstanceToString;
 
 static const std::vector<DrmHalTestParam> getAllInstances() {
-    using ::aidl::android::hardware::drm::ICryptoFactory;
     using ::aidl::android::hardware::drm::IDrmFactory;
 
     std::vector<std::string> drmInstances =
             android::getAidlHalInstanceNames(IDrmFactory::descriptor);
-    std::vector<std::string> cryptoInstances =
-            android::getAidlHalInstanceNames(ICryptoFactory::descriptor);
 
     std::set<std::string> allInstances;
     for (auto svc : drmInstances) {
         allInstances.insert(HalBaseName(svc));
     }
-    for (auto svc : cryptoInstances) {
-        allInstances.insert(HalBaseName(svc));
-    }
 
     std::vector<DrmHalTestParam> allInstanceUuidCombos;
     auto noUUID = [](std::string s) { return DrmHalTestParam(s); };
diff --git a/drm/aidl/vts/include/drm_hal_common.h b/drm/aidl/vts/include/drm_hal_common.h
index 4aac48b..2c7e514 100644
--- a/drm/aidl/vts/include/drm_hal_common.h
+++ b/drm/aidl/vts/include/drm_hal_common.h
@@ -18,14 +18,17 @@
 
 #include <aidl/android/hardware/common/Ashmem.h>
 #include <aidl/android/hardware/drm/BnDrmPluginListener.h>
-#include <aidl/android/hardware/drm/ICryptoFactory.h>
 #include <aidl/android/hardware/drm/ICryptoPlugin.h>
 #include <aidl/android/hardware/drm/IDrmFactory.h>
 #include <aidl/android/hardware/drm/IDrmPlugin.h>
 #include <aidl/android/hardware/drm/IDrmPluginListener.h>
 #include <aidl/android/hardware/drm/Status.h>
+#include <android/binder_auto_utils.h>
+
+#include <gmock/gmock.h>
 
 #include <array>
+#include <algorithm>
 #include <chrono>
 #include <future>
 #include <iostream>
@@ -35,8 +38,6 @@
 #include <utility>
 #include <vector>
 
-#include <android/binder_auto_utils.h>
-
 #include "VtsHalHidlTargetCallbackBase.h"
 #include "drm_hal_vendor_module_api.h"
 #include "drm_vts_helper.h"
@@ -80,11 +81,14 @@
     std::array<uint8_t, 16> GetParamUUID() { return GetParam().scheme_; }
     std::string GetParamService() { return GetParam().instance_; }
     ::aidl::android::hardware::drm::Uuid toAidlUuid(const std::vector<uint8_t>& in_uuid) {
-        ::aidl::android::hardware::drm::Uuid uuid;
-        uuid.uuid = in_uuid;
-        return uuid;
+        std::array<uint8_t, 16> a;
+        std::copy_n(in_uuid.begin(), a.size(), a.begin());
+        return {a};
     }
 
+    bool isCryptoSchemeSupported(::aidl::android::hardware::drm::Uuid uuid,
+                                 ::aidl::android::hardware::drm::SecurityLevel level,
+                                 std::string mime);
     void provision();
     SessionId openSession(::aidl::android::hardware::drm::SecurityLevel level,
                           ::aidl::android::hardware::drm::Status* err);
@@ -106,8 +110,8 @@
 
     KeyedVector toAidlKeyedVector(const std::map<std::string, std::string>& params);
     std::array<uint8_t, 16> toStdArray(const std::vector<uint8_t>& vec);
-    void fillRandom(const ::aidl::android::hardware::common::Ashmem& ashmem);
-    ::aidl::android::hardware::common::Ashmem getDecryptMemory(size_t size, size_t index);
+    uint8_t* fillRandom(const ::aidl::android::hardware::drm::SharedBuffer& buf);
+    void getDecryptMemory(size_t size, size_t index, SharedBuffer& buf);
 
     uint32_t decrypt(::aidl::android::hardware::drm::Mode mode, bool isSecure,
                      const std::array<uint8_t, 16>& keyId, uint8_t* iv,
@@ -123,7 +127,6 @@
                          const std::vector<uint8_t>& key);
 
     std::shared_ptr<::aidl::android::hardware::drm::IDrmFactory> drmFactory;
-    std::shared_ptr<::aidl::android::hardware::drm::ICryptoFactory> cryptoFactory;
     std::shared_ptr<::aidl::android::hardware::drm::IDrmPlugin> drmPlugin;
     std::shared_ptr<::aidl::android::hardware::drm::ICryptoPlugin> cryptoPlugin;
 
@@ -139,16 +142,13 @@
   public:
     virtual void SetUp() override {
         DrmHalTest::SetUp();
-        const std::vector<uint8_t> kClearKeyUUID = {0xE2, 0x71, 0x9D, 0x58, 0xA9, 0x85, 0xB3, 0xC9,
-                                                    0x78, 0x1A, 0xB0, 0x30, 0xAF, 0x78, 0xD3, 0x0E};
+        auto kClearKeyUUID = toAidlUuid({0xE2, 0x71, 0x9D, 0x58, 0xA9, 0x85, 0xB3, 0xC9,
+                                         0x78, 0x1A, 0xB0, 0x30, 0xAF, 0x78, 0xD3, 0x0E});
         static const std::string kMimeType = "video/mp4";
         static constexpr ::aidl::android::hardware::drm::SecurityLevel kSecurityLevel =
                 ::aidl::android::hardware::drm::SecurityLevel::SW_SECURE_CRYPTO;
 
-        bool drmClearkey = false;
-        auto ret = drmFactory->isCryptoSchemeSupported(toAidlUuid(kClearKeyUUID), kMimeType,
-                                                       kSecurityLevel, &drmClearkey);
-        if (!drmClearkey) {
+        if (!isCryptoSchemeSupported(kClearKeyUUID, kSecurityLevel, kMimeType)) {
             GTEST_SKIP() << "ClearKey not supported by " << GetParamService();
         }
     }
diff --git a/gnss/aidl/default/Gnss.cpp b/gnss/aidl/default/Gnss.cpp
index a861957..7855b51 100644
--- a/gnss/aidl/default/Gnss.cpp
+++ b/gnss/aidl/default/Gnss.cpp
@@ -53,17 +53,26 @@
         ALOGE("%s: Null callback ignored", __func__);
         return ScopedAStatus::fromExceptionCode(STATUS_INVALID_OPERATION);
     }
-
     sGnssCallback = callback;
 
-    int capabilities = (int)(IGnssCallback::CAPABILITY_SATELLITE_BLOCKLIST |
-                             IGnssCallback::CAPABILITY_SATELLITE_PVT |
-                             IGnssCallback::CAPABILITY_CORRELATION_VECTOR |
-                             IGnssCallback::CAPABILITY_ANTENNA_INFO);
-
+    int capabilities =
+            (int)(IGnssCallback::CAPABILITY_MEASUREMENTS | IGnssCallback::CAPABILITY_SCHEDULING |
+                  IGnssCallback::CAPABILITY_SATELLITE_BLOCKLIST |
+                  IGnssCallback::CAPABILITY_SATELLITE_PVT |
+                  IGnssCallback::CAPABILITY_CORRELATION_VECTOR |
+                  IGnssCallback::CAPABILITY_ANTENNA_INFO);
     auto status = sGnssCallback->gnssSetCapabilitiesCb(capabilities);
     if (!status.isOk()) {
-        ALOGE("%s: Unable to invoke callback.gnssSetCapabilities", __func__);
+        ALOGE("%s: Unable to invoke callback.gnssSetCapabilitiesCb", __func__);
+    }
+
+    IGnssCallback::GnssSystemInfo systemInfo = {
+            .yearOfHw = 2022,
+            .name = "Google Mock GNSS Implementation AIDL v2",
+    };
+    status = sGnssCallback->gnssSetSystemInfoCb(systemInfo);
+    if (!status.isOk()) {
+        ALOGE("%s: Unable to invoke callback.gnssSetSystemInfoCb", __func__);
     }
 
     return ScopedAStatus::ok();
diff --git a/gnss/aidl/vts/gnss_hal_test.cpp b/gnss/aidl/vts/gnss_hal_test.cpp
index c1128ba..f184f81 100644
--- a/gnss/aidl/vts/gnss_hal_test.cpp
+++ b/gnss/aidl/vts/gnss_hal_test.cpp
@@ -33,7 +33,7 @@
     ASSERT_NE(aidl_gnss_hal_, nullptr);
     ALOGD("AIDL Interface Version = %d", aidl_gnss_hal_->getInterfaceVersion());
 
-    if (aidl_gnss_hal_->getInterfaceVersion() == 1) {
+    if (aidl_gnss_hal_->getInterfaceVersion() <= 1) {
         const auto& hidlInstanceNames = android::hardware::getAllHalInstanceNames(
                 android::hardware::gnss::V2_1::IGnss::descriptor);
         gnss_hal_ = IGnss_V2_1::getService(hidlInstanceNames[0]);
@@ -60,9 +60,15 @@
                                                           TIMEOUT_SEC));
     EXPECT_EQ(aidl_gnss_cb_->capabilities_cbq_.calledCount(), 1);
 
-    if (aidl_gnss_hal_->getInterfaceVersion() == 1) {
+    if (aidl_gnss_hal_->getInterfaceVersion() <= 1) {
         // Invoke the super method.
         GnssHalTestTemplate<IGnss_V2_1>::SetUpGnssCallback();
+    } else {
+        /*
+         * SystemInfo callback should trigger
+         */
+        EXPECT_TRUE(aidl_gnss_cb_->info_cbq_.retrieve(aidl_gnss_cb_->last_info_, TIMEOUT_SEC));
+        EXPECT_EQ(aidl_gnss_cb_->info_cbq_.calledCount(), 1);
     }
 }
 
@@ -71,7 +77,7 @@
 }
 
 void GnssHalTest::SetPositionMode(const int min_interval_msec, const bool low_power_mode) {
-    if (aidl_gnss_hal_->getInterfaceVersion() == 1) {
+    if (aidl_gnss_hal_->getInterfaceVersion() <= 1) {
         // Invoke the super method.
         return GnssHalTestTemplate<IGnss_V2_1>::SetPositionMode(min_interval_msec, low_power_mode);
     }
@@ -93,7 +99,7 @@
 
 bool GnssHalTest::StartAndCheckFirstLocation(const int min_interval_msec,
                                              const bool low_power_mode) {
-    if (aidl_gnss_hal_->getInterfaceVersion() == 1) {
+    if (aidl_gnss_hal_->getInterfaceVersion() <= 1) {
         // Invoke the super method.
         return GnssHalTestTemplate<IGnss_V2_1>::StartAndCheckFirstLocation(min_interval_msec,
                                                                            low_power_mode);
@@ -127,7 +133,7 @@
 
 void GnssHalTest::StopAndClearLocations() {
     ALOGD("StopAndClearLocations");
-    if (aidl_gnss_hal_->getInterfaceVersion() == 1) {
+    if (aidl_gnss_hal_->getInterfaceVersion() <= 1) {
         // Invoke the super method.
         return GnssHalTestTemplate<IGnss_V2_1>::StopAndClearLocations();
     }
@@ -148,7 +154,7 @@
 }
 
 void GnssHalTest::StartAndCheckLocations(int count) {
-    if (aidl_gnss_hal_->getInterfaceVersion() == 1) {
+    if (aidl_gnss_hal_->getInterfaceVersion() <= 1) {
         // Invoke the super method.
         return GnssHalTestTemplate<IGnss_V2_1>::StartAndCheckLocations(count);
     }
@@ -264,7 +270,7 @@
 
 GnssConstellationType GnssHalTest::startLocationAndGetNonGpsConstellation(
         const int locations_to_await, const int gnss_sv_info_list_timeout) {
-    if (aidl_gnss_hal_->getInterfaceVersion() == 1) {
+    if (aidl_gnss_hal_->getInterfaceVersion() <= 1) {
         return static_cast<GnssConstellationType>(
                 GnssHalTestTemplate<IGnss_V2_1>::startLocationAndGetNonGpsConstellation(
                         locations_to_await, gnss_sv_info_list_timeout));
diff --git a/gnss/aidl/vts/gnss_hal_test_cases.cpp b/gnss/aidl/vts/gnss_hal_test_cases.cpp
index 8e51b44..365f9d3 100644
--- a/gnss/aidl/vts/gnss_hal_test_cases.cpp
+++ b/gnss/aidl/vts/gnss_hal_test_cases.cpp
@@ -28,6 +28,7 @@
 #include <android/hardware/gnss/measurement_corrections/IMeasurementCorrectionsInterface.h>
 #include <android/hardware/gnss/visibility_control/IGnssVisibilityControl.h>
 #include <cutils/properties.h>
+#include <cmath>
 #include "AGnssCallbackAidl.h"
 #include "AGnssRilCallbackAidl.h"
 #include "GnssAntennaInfoCallbackAidl.h"
@@ -45,7 +46,9 @@
 using android::hardware::gnss::BlocklistedSource;
 using android::hardware::gnss::ElapsedRealtime;
 using android::hardware::gnss::GnssClock;
+using android::hardware::gnss::GnssConstellationType;
 using android::hardware::gnss::GnssData;
+using android::hardware::gnss::GnssLocation;
 using android::hardware::gnss::GnssMeasurement;
 using android::hardware::gnss::GnssPowerStats;
 using android::hardware::gnss::IAGnss;
@@ -72,7 +75,6 @@
 using android::hardware::gnss::visibility_control::IGnssVisibilityControl;
 
 using GnssConstellationTypeV2_0 = android::hardware::gnss::V2_0::GnssConstellationType;
-using GnssConstellationTypeAidl = android::hardware::gnss::GnssConstellationType;
 
 static bool IsAutomotiveDevice() {
     char buffer[PROPERTY_VALUE_MAX] = {0};
@@ -89,6 +91,222 @@
 TEST_P(GnssHalTest, SetupTeardownCreateCleanup) {}
 
 /*
+ * GetLocation:
+ * Turns on location, waits 75 second for at least 5 locations,
+ * and checks them for reasonable validity.
+ */
+TEST_P(GnssHalTest, GetLocations) {
+    if (aidl_gnss_hal_->getInterfaceVersion() <= 1) {
+        return;
+    }
+    const int kMinIntervalMsec = 500;
+    const int kLocationsToCheck = 5;
+
+    SetPositionMode(kMinIntervalMsec, /* low_power_mode= */ false);
+    StartAndCheckLocations(kLocationsToCheck);
+    StopAndClearLocations();
+}
+
+/*
+ * InjectDelete:
+ * Ensures that calls to inject and/or delete information state are handled.
+ */
+TEST_P(GnssHalTest, InjectDelete) {
+    if (aidl_gnss_hal_->getInterfaceVersion() <= 1) {
+        return;
+    }
+    // Confidently, well north of Alaska
+    auto status = aidl_gnss_hal_->injectLocation(Utils::getMockLocation(80.0, -170.0, 150.0));
+    ASSERT_TRUE(status.isOk());
+
+    // Fake time, but generally reasonable values (time in Aug. 2018)
+    status =
+            aidl_gnss_hal_->injectTime(/* timeMs= */ 1534567890123L,
+                                       /* timeReferenceMs= */ 123456L, /* uncertaintyMs= */ 10000L);
+    ASSERT_TRUE(status.isOk());
+
+    status = aidl_gnss_hal_->deleteAidingData(IGnss::GnssAidingData::POSITION);
+    ASSERT_TRUE(status.isOk());
+
+    status = aidl_gnss_hal_->deleteAidingData(IGnss::GnssAidingData::TIME);
+    ASSERT_TRUE(status.isOk());
+
+    // Ensure we can get a good location after a bad injection has been deleted
+    StartAndCheckFirstLocation(/* min_interval_msec= */ 1000, /* low_power_mode= */ false);
+    StopAndClearLocations();
+}
+
+/*
+ * InjectSeedLocation:
+ * Injects a seed location and ensures the injected seed location is not fused in the resulting
+ * GNSS location.
+ */
+TEST_P(GnssHalTest, InjectSeedLocation) {
+    if (aidl_gnss_hal_->getInterfaceVersion() <= 1) {
+        return;
+    }
+    // An arbitrary position in North Pacific Ocean (where no VTS labs will ever likely be located).
+    const double seedLatDegrees = 32.312894;
+    const double seedLngDegrees = -172.954117;
+    const float seedAccuracyMeters = 150.0;
+
+    auto status = aidl_gnss_hal_->injectLocation(
+            Utils::getMockLocation(seedLatDegrees, seedLngDegrees, seedAccuracyMeters));
+    ASSERT_TRUE(status.isOk());
+
+    StartAndCheckFirstLocation(/* min_interval_msec= */ 1000, /* low_power_mode= */ false);
+
+    // Ensure we don't get a location anywhere within 111km (1 degree of lat or lng) of the seed
+    // location.
+    EXPECT_TRUE(std::abs(aidl_gnss_cb_->last_location_.latitudeDegrees - seedLatDegrees) > 1.0 ||
+                std::abs(aidl_gnss_cb_->last_location_.longitudeDegrees - seedLngDegrees) > 1.0);
+
+    StopAndClearLocations();
+
+    status = aidl_gnss_hal_->deleteAidingData(IGnss::GnssAidingData::POSITION);
+    ASSERT_TRUE(status.isOk());
+}
+
+/*
+ * GnssCapabilities:
+ * 1. Verifies that GNSS hardware supports measurement capabilities.
+ * 2. Verifies that GNSS hardware supports Scheduling capabilities.
+ */
+TEST_P(GnssHalTest, GnssCapabilites) {
+    if (aidl_gnss_hal_->getInterfaceVersion() <= 1) {
+        return;
+    }
+    if (!IsAutomotiveDevice()) {
+        EXPECT_TRUE(aidl_gnss_cb_->last_capabilities_ & IGnssCallback::CAPABILITY_MEASUREMENTS);
+    }
+    EXPECT_TRUE(aidl_gnss_cb_->last_capabilities_ & IGnssCallback::CAPABILITY_SCHEDULING);
+}
+
+/*
+ * GetLocationLowPower:
+ * Turns on location, waits for at least 5 locations allowing max of LOCATION_TIMEOUT_SUBSEQUENT_SEC
+ * between one location and the next. Also ensure that MIN_INTERVAL_MSEC is respected by waiting
+ * NO_LOCATION_PERIOD_SEC and verfiy that no location is received. Also perform validity checks on
+ * each received location.
+ */
+TEST_P(GnssHalTest, GetLocationLowPower) {
+    if (aidl_gnss_hal_->getInterfaceVersion() <= 1) {
+        return;
+    }
+
+    const int kMinIntervalMsec = 5000;
+    const int kLocationTimeoutSubsequentSec = (kMinIntervalMsec / 1000) * 2;
+    const int kNoLocationPeriodSec = (kMinIntervalMsec / 1000) / 2;
+    const int kLocationsToCheck = 5;
+    const bool kLowPowerMode = true;
+
+    // Warmup period - VTS doesn't have AGPS access via GnssLocationProvider
+    aidl_gnss_cb_->location_cbq_.reset();
+    StartAndCheckLocations(kLocationsToCheck);
+    StopAndClearLocations();
+    aidl_gnss_cb_->location_cbq_.reset();
+
+    // Start of Low Power Mode test
+    // Don't expect true - as without AGPS access
+    if (!StartAndCheckFirstLocation(kMinIntervalMsec, kLowPowerMode)) {
+        ALOGW("GetLocationLowPower test - no first low power location received.");
+    }
+
+    for (int i = 1; i < kLocationsToCheck; i++) {
+        // Verify that kMinIntervalMsec is respected by waiting kNoLocationPeriodSec and
+        // ensure that no location is received yet
+
+        aidl_gnss_cb_->location_cbq_.retrieve(aidl_gnss_cb_->last_location_, kNoLocationPeriodSec);
+        const int location_called_count = aidl_gnss_cb_->location_cbq_.calledCount();
+        // Tolerate (ignore) one extra location right after the first one
+        // to handle startup edge case scheduling limitations in some implementations
+        if ((i == 1) && (location_called_count == 2)) {
+            CheckLocation(aidl_gnss_cb_->last_location_, true);
+            continue;  // restart the quiet wait period after this too-fast location
+        }
+        EXPECT_LE(location_called_count, i);
+        if (location_called_count != i) {
+            ALOGW("GetLocationLowPower test - not enough locations received. %d vs. %d expected ",
+                  location_called_count, i);
+        }
+
+        if (!aidl_gnss_cb_->location_cbq_.retrieve(
+                    aidl_gnss_cb_->last_location_,
+                    kLocationTimeoutSubsequentSec - kNoLocationPeriodSec)) {
+            ALOGW("GetLocationLowPower test - timeout awaiting location %d", i);
+        } else {
+            CheckLocation(aidl_gnss_cb_->last_location_, true);
+        }
+    }
+
+    StopAndClearLocations();
+}
+
+/*
+ * InjectBestLocation
+ *
+ * Ensure successfully injecting a location.
+ */
+TEST_P(GnssHalTest, InjectBestLocation) {
+    if (aidl_gnss_hal_->getInterfaceVersion() <= 1) {
+        return;
+    }
+    StartAndCheckLocations(1);
+    GnssLocation gnssLocation = aidl_gnss_cb_->last_location_;
+    CheckLocation(gnssLocation, true);
+
+    auto status = aidl_gnss_hal_->injectBestLocation(gnssLocation);
+
+    ASSERT_TRUE(status.isOk());
+
+    status = aidl_gnss_hal_->deleteAidingData(IGnss::GnssAidingData::POSITION);
+
+    ASSERT_TRUE(status.isOk());
+}
+
+/*
+ * TestGnssSvInfoFields:
+ * Gets 1 location and a (non-empty) GnssSvInfo, and verifies basebandCN0DbHz is valid.
+ */
+TEST_P(GnssHalTest, TestGnssSvInfoFields) {
+    if (aidl_gnss_hal_->getInterfaceVersion() <= 1) {
+        return;
+    }
+    aidl_gnss_cb_->location_cbq_.reset();
+    aidl_gnss_cb_->sv_info_list_cbq_.reset();
+    StartAndCheckFirstLocation(/* min_interval_msec= */ 1000, /* low_power_mode= */ false);
+    int location_called_count = aidl_gnss_cb_->location_cbq_.calledCount();
+    ALOGD("Observed %d GnssSvStatus, while awaiting one location (%d received)",
+          aidl_gnss_cb_->sv_info_list_cbq_.size(), location_called_count);
+
+    // Wait for up to kNumSvInfoLists events for kTimeoutSeconds for each event.
+    int kTimeoutSeconds = 2;
+    int kNumSvInfoLists = 4;
+    std::list<std::vector<IGnssCallback::GnssSvInfo>> sv_info_lists;
+    std::vector<IGnssCallback::GnssSvInfo> last_sv_info_list;
+
+    do {
+        EXPECT_GT(aidl_gnss_cb_->sv_info_list_cbq_.retrieve(sv_info_lists, kNumSvInfoLists,
+                                                            kTimeoutSeconds),
+                  0);
+        last_sv_info_list = sv_info_lists.back();
+    } while (last_sv_info_list.size() == 0);
+
+    ALOGD("last_sv_info size = %d", (int)last_sv_info_list.size());
+    bool nonZeroCn0Found = false;
+    for (auto sv_info : last_sv_info_list) {
+        EXPECT_TRUE(sv_info.basebandCN0DbHz >= 0.0 && sv_info.basebandCN0DbHz <= 65.0);
+        if (sv_info.basebandCN0DbHz > 0.0) {
+            nonZeroCn0Found = true;
+        }
+    }
+    // Assert at least one value is non-zero. Zero is ok in status as it's possibly
+    // reporting a searched but not found satellite.
+    EXPECT_TRUE(nonZeroCn0Found);
+    StopAndClearLocations();
+}
+
+/*
  * TestPsdsExtension:
  * 1. Gets the PsdsExtension
  * 2. Injects empty PSDS data and verifies that it returns an error.
@@ -158,15 +376,7 @@
 }
 
 void CheckGnssMeasurementClockFields(const GnssData& measurement) {
-    ASSERT_TRUE(measurement.elapsedRealtime.flags >= 0 &&
-                measurement.elapsedRealtime.flags <= (ElapsedRealtime::HAS_TIMESTAMP_NS |
-                                                      ElapsedRealtime::HAS_TIME_UNCERTAINTY_NS));
-    if (measurement.elapsedRealtime.flags & ElapsedRealtime::HAS_TIMESTAMP_NS) {
-        ASSERT_TRUE(measurement.elapsedRealtime.timestampNs > 0);
-    }
-    if (measurement.elapsedRealtime.flags & ElapsedRealtime::HAS_TIME_UNCERTAINTY_NS) {
-        ASSERT_TRUE(measurement.elapsedRealtime.timeUncertaintyNs > 0);
-    }
+    Utils::checkElapsedRealtime(measurement.elapsedRealtime);
     ASSERT_TRUE(measurement.clock.gnssClockFlags >= 0 &&
                 measurement.clock.gnssClockFlags <=
                         (GnssClock::HAS_LEAP_SECOND | GnssClock::HAS_TIME_UNCERTAINTY |
@@ -189,6 +399,34 @@
                          GnssMeasurement::HAS_CORRELATION_VECTOR));
 }
 
+void CheckGnssMeasurementFields(const GnssMeasurement& measurement, const GnssData& data) {
+    CheckGnssMeasurementFlags(measurement);
+    // Verify CodeType is valid.
+    ASSERT_NE(measurement.signalType.codeType, "");
+    // Verify basebandCn0DbHz is valid.
+    ASSERT_TRUE(measurement.basebandCN0DbHz > 0.0 && measurement.basebandCN0DbHz <= 65.0);
+
+    if (((measurement.flags & GnssMeasurement::HAS_FULL_ISB) > 0) &&
+        ((measurement.flags & GnssMeasurement::HAS_FULL_ISB_UNCERTAINTY) > 0) &&
+        ((measurement.flags & GnssMeasurement::HAS_SATELLITE_ISB) > 0) &&
+        ((measurement.flags & GnssMeasurement::HAS_SATELLITE_ISB_UNCERTAINTY) > 0)) {
+        GnssConstellationType referenceConstellation =
+                data.clock.referenceSignalTypeForIsb.constellation;
+        double carrierFrequencyHz = data.clock.referenceSignalTypeForIsb.carrierFrequencyHz;
+        std::string codeType = data.clock.referenceSignalTypeForIsb.codeType;
+
+        ASSERT_TRUE(referenceConstellation >= GnssConstellationType::UNKNOWN &&
+                    referenceConstellation <= GnssConstellationType::IRNSS);
+        ASSERT_TRUE(carrierFrequencyHz > 0);
+        ASSERT_NE(codeType, "");
+
+        ASSERT_TRUE(std::abs(measurement.fullInterSignalBiasNs) < 1.0e6);
+        ASSERT_TRUE(measurement.fullInterSignalBiasUncertaintyNs >= 0);
+        ASSERT_TRUE(std::abs(measurement.satelliteInterSignalBiasNs) < 1.0e6);
+        ASSERT_TRUE(measurement.satelliteInterSignalBiasUncertaintyNs >= 0);
+    }
+}
+
 /*
  * TestGnssMeasurementExtensionAndSatellitePvt:
  * 1. Gets the GnssMeasurementExtension and verifies that it returns a non-null extension.
@@ -229,7 +467,7 @@
         CheckGnssMeasurementClockFields(lastMeasurement);
 
         for (const auto& measurement : lastMeasurement.measurements) {
-            CheckGnssMeasurementFlags(measurement);
+            CheckGnssMeasurementFields(measurement, lastMeasurement);
             if (measurement.flags & GnssMeasurement::HAS_SATELLITE_PVT &&
                 kIsSatellitePvtSupported == true) {
                 ALOGD("Found a measurement with SatellitePvt");
@@ -289,7 +527,7 @@
         CheckGnssMeasurementClockFields(lastMeasurement);
 
         for (const auto& measurement : lastMeasurement.measurements) {
-            CheckGnssMeasurementFlags(measurement);
+            CheckGnssMeasurementFields(measurement, lastMeasurement);
             if (measurement.flags & GnssMeasurement::HAS_CORRELATION_VECTOR) {
                 correlationVectorFound = true;
                 ASSERT_TRUE(measurement.correlationVectors.size() > 0);
@@ -466,7 +704,7 @@
                 FindStrongFrequentNonGpsSource(sv_info_vec_list, kLocationsToAwait - 1);
     }
 
-    if (source_to_blocklist.constellation == GnssConstellationTypeAidl::UNKNOWN) {
+    if (source_to_blocklist.constellation == GnssConstellationType::UNKNOWN) {
         // Cannot find a non-GPS satellite. Let the test pass.
         ALOGD("Cannot find a non-GPS satellite. Letting the test pass.");
         return;
@@ -522,7 +760,7 @@
                 auto& gnss_sv = sv_info_vec[iSv];
                 EXPECT_FALSE(
                         (gnss_sv.v2_0.v1_0.svid == source_to_blocklist.svid) &&
-                        (static_cast<GnssConstellationTypeAidl>(gnss_sv.v2_0.constellation) ==
+                        (static_cast<GnssConstellationType>(gnss_sv.v2_0.constellation) ==
                          source_to_blocklist.constellation) &&
                         (gnss_sv.v2_0.v1_0.svFlag & IGnssCallback_1_0::GnssSvFlags::USED_IN_FIX));
             }
@@ -584,7 +822,7 @@
                 for (uint32_t iSv = 0; iSv < sv_info_vec.size(); iSv++) {
                     auto& gnss_sv = sv_info_vec[iSv];
                     if ((gnss_sv.v2_0.v1_0.svid == source_to_blocklist.svid) &&
-                        (static_cast<GnssConstellationTypeAidl>(gnss_sv.v2_0.constellation) ==
+                        (static_cast<GnssConstellationType>(gnss_sv.v2_0.constellation) ==
                          source_to_blocklist.constellation) &&
                         (gnss_sv.v2_0.v1_0.svFlag & IGnssCallback_1_0::GnssSvFlags::USED_IN_FIX)) {
                         strongest_sv_is_reobserved = true;
@@ -633,7 +871,7 @@
     const int kGnssSvInfoListTimeout = 2;
 
     // Find first non-GPS constellation to blocklist
-    GnssConstellationTypeAidl constellation_to_blocklist = static_cast<GnssConstellationTypeAidl>(
+    GnssConstellationType constellation_to_blocklist = static_cast<GnssConstellationType>(
             startLocationAndGetNonGpsConstellation(kLocationsToAwait, kGnssSvInfoListTimeout));
 
     // Turns off location
@@ -646,7 +884,7 @@
     // IRNSS was added in 2.0. Always attempt to blocklist IRNSS to verify that the new enum is
     // supported.
     BlocklistedSource source_to_blocklist_2;
-    source_to_blocklist_2.constellation = GnssConstellationTypeAidl::IRNSS;
+    source_to_blocklist_2.constellation = GnssConstellationType::IRNSS;
     source_to_blocklist_2.svid = 0;  // documented wildcard for all satellites in this constellation
 
     sp<IGnssConfiguration> gnss_configuration_hal;
@@ -686,11 +924,11 @@
             for (uint32_t iSv = 0; iSv < sv_info_vec.size(); iSv++) {
                 const auto& gnss_sv = sv_info_vec[iSv];
                 EXPECT_FALSE(
-                        (static_cast<GnssConstellationTypeAidl>(gnss_sv.v2_0.constellation) ==
+                        (static_cast<GnssConstellationType>(gnss_sv.v2_0.constellation) ==
                          source_to_blocklist_1.constellation) &&
                         (gnss_sv.v2_0.v1_0.svFlag & IGnssCallback_1_0::GnssSvFlags::USED_IN_FIX));
                 EXPECT_FALSE(
-                        (static_cast<GnssConstellationTypeAidl>(gnss_sv.v2_0.constellation) ==
+                        (static_cast<GnssConstellationType>(gnss_sv.v2_0.constellation) ==
                          source_to_blocklist_2.constellation) &&
                         (gnss_sv.v2_0.v1_0.svFlag & IGnssCallback_1_0::GnssSvFlags::USED_IN_FIX));
             }
@@ -736,7 +974,7 @@
     const int kGnssSvInfoListTimeout = 2;
 
     // Find first non-GPS constellation to blocklist
-    GnssConstellationTypeAidl constellation_to_blocklist = static_cast<GnssConstellationTypeAidl>(
+    GnssConstellationType constellation_to_blocklist = static_cast<GnssConstellationType>(
             startLocationAndGetNonGpsConstellation(kLocationsToAwait, kGnssSvInfoListTimeout));
 
     BlocklistedSource source_to_blocklist_1;
@@ -746,7 +984,7 @@
     // IRNSS was added in 2.0. Always attempt to blocklist IRNSS to verify that the new enum is
     // supported.
     BlocklistedSource source_to_blocklist_2;
-    source_to_blocklist_2.constellation = GnssConstellationTypeAidl::IRNSS;
+    source_to_blocklist_2.constellation = GnssConstellationType::IRNSS;
     source_to_blocklist_2.svid = 0;  // documented wildcard for all satellites in this constellation
 
     sp<IGnssConfiguration> gnss_configuration_hal;
@@ -789,11 +1027,11 @@
             for (uint32_t iSv = 0; iSv < sv_info_vec.size(); iSv++) {
                 const auto& gnss_sv = sv_info_vec[iSv];
                 EXPECT_FALSE(
-                        (static_cast<GnssConstellationTypeAidl>(gnss_sv.v2_0.constellation) ==
+                        (static_cast<GnssConstellationType>(gnss_sv.v2_0.constellation) ==
                          source_to_blocklist_1.constellation) &&
                         (gnss_sv.v2_0.v1_0.svFlag & IGnssCallback_1_0::GnssSvFlags::USED_IN_FIX));
                 EXPECT_FALSE(
-                        (static_cast<GnssConstellationTypeAidl>(gnss_sv.v2_0.constellation) ==
+                        (static_cast<GnssConstellationType>(gnss_sv.v2_0.constellation) ==
                          source_to_blocklist_2.constellation) &&
                         (gnss_sv.v2_0.v1_0.svFlag & IGnssCallback_1_0::GnssSvFlags::USED_IN_FIX));
             }
@@ -884,7 +1122,8 @@
  * TestAGnssRilExtension:
  * 1. Gets the IAGnssRil extension.
  * 2. Sets AGnssRilCallback.
- * 3. Sets reference location.
+ * 3. Update network state to connected and then disconnected.
+ * 4. Sets reference location.
  */
 TEST_P(GnssHalTest, TestAGnssRilExtension) {
     if (aidl_gnss_hal_->getInterfaceVersion() <= 1) {
@@ -899,6 +1138,20 @@
     status = iAGnssRil->setCallback(agnssRilCallback);
     ASSERT_TRUE(status.isOk());
 
+    // Update GNSS HAL that a network has connected.
+    IAGnssRil::NetworkAttributes networkAttributes;
+    networkAttributes.networkHandle = 7700664333L;
+    networkAttributes.isConnected = true;
+    networkAttributes.capabilities = IAGnssRil::NETWORK_CAPABILITY_NOT_ROAMING;
+    networkAttributes.apn = "placeholder-apn";
+    status = iAGnssRil->updateNetworkState(networkAttributes);
+    ASSERT_TRUE(status.isOk());
+
+    // Update GNSS HAL that network has disconnected.
+    networkAttributes.isConnected = false;
+    status = iAGnssRil->updateNetworkState(networkAttributes);
+    ASSERT_TRUE(status.isOk());
+
     // Set RefLocation
     IAGnssRil::AGnssRefLocationCellID agnssReflocationCellId;
     agnssReflocationCellId.type = IAGnssRil::AGnssRefLocationType::LTE_CELLID;
@@ -1020,6 +1273,9 @@
 
         // Validity check GnssData fields
         CheckGnssMeasurementClockFields(lastMeasurement);
+        for (const auto& measurement : lastMeasurement.measurements) {
+            CheckGnssMeasurementFields(measurement, lastMeasurement);
+        }
     }
 
     status = iGnssMeasurement->close();
@@ -1076,12 +1332,11 @@
  * PhaseCenterVariationCorrections and SignalGainCorrections are optional.
  */
 TEST_P(GnssHalTest, TestGnssAntennaInfo) {
-    const int kAntennaInfoTimeoutSeconds = 2;
-
     if (aidl_gnss_hal_->getInterfaceVersion() <= 1) {
         return;
     }
 
+    const int kAntennaInfoTimeoutSeconds = 2;
     sp<IGnssAntennaInfo> iGnssAntennaInfo;
     auto status = aidl_gnss_hal_->getExtensionGnssAntennaInfo(&iGnssAntennaInfo);
     ASSERT_TRUE(status.isOk());
diff --git a/gnss/common/utils/default/Utils.cpp b/gnss/common/utils/default/Utils.cpp
index 4e6a718..a519d3a 100644
--- a/gnss/common/utils/default/Utils.cpp
+++ b/gnss/common/utils/default/Utils.cpp
@@ -217,7 +217,8 @@
                        .biasUncertaintyNs = 47514.989972114563,
                        .driftNsps = -51.757811607455452,
                        .driftUncertaintyNsps = 310.64968328491528,
-                       .hwClockDiscontinuityCount = 1};
+                       .hwClockDiscontinuityCount = 1,
+                       .referenceSignalTypeForIsb = signalType};
 
     ElapsedRealtime timestamp = {
             .flags = ElapsedRealtime::HAS_TIMESTAMP_NS | ElapsedRealtime::HAS_TIME_UNCERTAINTY_NS,
diff --git a/gnss/common/utils/vts/Utils.cpp b/gnss/common/utils/vts/Utils.cpp
index da4c07f..4c725a8 100644
--- a/gnss/common/utils/vts/Utils.cpp
+++ b/gnss/common/utils/vts/Utils.cpp
@@ -20,12 +20,16 @@
 #include "gtest/gtest.h"
 
 #include <cutils/properties.h>
+#include <utils/SystemClock.h>
 
 namespace android {
 namespace hardware {
 namespace gnss {
 namespace common {
 
+using android::hardware::gnss::ElapsedRealtime;
+using android::hardware::gnss::GnssLocation;
+
 using namespace measurement_corrections::V1_0;
 using V1_0::GnssLocationFlags;
 
@@ -45,6 +49,50 @@
     return location.timestamp;
 }
 
+template <>
+void Utils::checkLocationElapsedRealtime(const V1_0::GnssLocation&) {}
+
+template <>
+void Utils::checkLocationElapsedRealtime(const android::hardware::gnss::GnssLocation& location) {
+    checkElapsedRealtime(location.elapsedRealtime);
+}
+
+void Utils::checkElapsedRealtime(const ElapsedRealtime& elapsedRealtime) {
+    ASSERT_TRUE(elapsedRealtime.flags >= 0 &&
+                elapsedRealtime.flags <= (ElapsedRealtime::HAS_TIMESTAMP_NS |
+                                          ElapsedRealtime::HAS_TIME_UNCERTAINTY_NS));
+    if (elapsedRealtime.flags & ElapsedRealtime::HAS_TIMESTAMP_NS) {
+        ASSERT_TRUE(elapsedRealtime.timestampNs > 0);
+    }
+    if (elapsedRealtime.flags & ElapsedRealtime::HAS_TIME_UNCERTAINTY_NS) {
+        ASSERT_TRUE(elapsedRealtime.timeUncertaintyNs > 0);
+    }
+}
+
+const GnssLocation Utils::getMockLocation(double latitudeDegrees, double longitudeDegrees,
+                                          double horizontalAccuracyMeters) {
+    ElapsedRealtime elapsedRealtime;
+    elapsedRealtime.flags =
+            ElapsedRealtime::HAS_TIMESTAMP_NS | ElapsedRealtime::HAS_TIME_UNCERTAINTY_NS;
+    elapsedRealtime.timestampNs = ::android::elapsedRealtimeNano();
+    elapsedRealtime.timeUncertaintyNs = 1000;
+    GnssLocation location;
+    location.gnssLocationFlags = 0xFF;
+    location.latitudeDegrees = latitudeDegrees;
+    location.longitudeDegrees = longitudeDegrees;
+    location.altitudeMeters = 500.0;
+    location.speedMetersPerSec = 0.0;
+    location.bearingDegrees = 0.0;
+    location.horizontalAccuracyMeters = horizontalAccuracyMeters;
+    location.verticalAccuracyMeters = 1000.0;
+    location.speedAccuracyMetersPerSecond = 1000.0;
+    location.bearingAccuracyDegrees = 90.0;
+    location.timestampMillis =
+            static_cast<int64_t>(kMockTimestamp + ::android::elapsedRealtimeNano() * 1e-6);
+    location.elapsedRealtime = elapsedRealtime;
+    return location;
+}
+
 const MeasurementCorrections Utils::getMockMeasurementCorrections() {
     ReflectingPlane reflectingPlane = {
             .latitudeDegrees = 37.4220039,
diff --git a/gnss/common/utils/vts/include/Utils.h b/gnss/common/utils/vts/include/Utils.h
index 4ea6cd6..7b89078 100644
--- a/gnss/common/utils/vts/include/Utils.h
+++ b/gnss/common/utils/vts/include/Utils.h
@@ -19,11 +19,13 @@
 
 #include <android/hardware/gnss/1.0/IGnss.h>
 #include <android/hardware/gnss/2.0/IGnss.h>
+#include <android/hardware/gnss/IGnss.h>
 #include <android/hardware/gnss/measurement_corrections/1.0/IMeasurementCorrections.h>
 #include <android/hardware/gnss/measurement_corrections/1.1/IMeasurementCorrections.h>
 #include <android/hardware/gnss/measurement_corrections/BnMeasurementCorrectionsInterface.h>
 
 #include <gtest/gtest.h>
+#include <type_traits>
 
 namespace android {
 namespace hardware {
@@ -32,8 +34,18 @@
 
 struct Utils {
   public:
+    static const int64_t kMockTimestamp = 1519930775453L;
+
     template <class T>
     static void checkLocation(const T& location, bool check_speed, bool check_more_accuracies);
+    template <class T>
+    static void checkLocationElapsedRealtime(const T& location);
+
+    static void checkElapsedRealtime(
+            const android::hardware::gnss::ElapsedRealtime& elapsedRealtime);
+
+    static const android::hardware::gnss::GnssLocation getMockLocation(
+            double latitudeDegrees, double longitudeDegrees, double horizontalAccuracyMeters);
     static const measurement_corrections::V1_0::MeasurementCorrections
     getMockMeasurementCorrections();
     static const measurement_corrections::V1_1::MeasurementCorrections
@@ -117,6 +129,8 @@
 
     // Check timestamp > 1.48e12 (47 years in msec - 1970->2017+)
     EXPECT_GT(getLocationTimestampMillis(location), 1.48e12);
+
+    checkLocationElapsedRealtime(location);
 }
 
 }  // namespace common
diff --git a/graphics/allocator/2.0/Android.bp b/graphics/allocator/2.0/Android.bp
index 6ec4e64..40db81d 100644
--- a/graphics/allocator/2.0/Android.bp
+++ b/graphics/allocator/2.0/Android.bp
@@ -24,4 +24,9 @@
         "android.hidl.base@1.0",
     ],
     gen_java: false,
+    apex_available: [
+        "//apex_available:platform",
+        "com.android.media.swcodec",
+        "test_com.android.media.swcodec",
+    ],
 }
diff --git a/graphics/allocator/3.0/Android.bp b/graphics/allocator/3.0/Android.bp
index 768baba..800632c 100644
--- a/graphics/allocator/3.0/Android.bp
+++ b/graphics/allocator/3.0/Android.bp
@@ -26,4 +26,9 @@
         "android.hidl.base@1.0",
     ],
     gen_java: false,
+    apex_available: [
+        "//apex_available:platform",
+        "com.android.media.swcodec",
+        "test_com.android.media.swcodec",
+    ],
 }
diff --git a/graphics/allocator/4.0/Android.bp b/graphics/allocator/4.0/Android.bp
index 0df9b39..5c5fb37 100644
--- a/graphics/allocator/4.0/Android.bp
+++ b/graphics/allocator/4.0/Android.bp
@@ -26,4 +26,9 @@
         "android.hidl.base@1.0",
     ],
     gen_java: false,
+    apex_available: [
+        "//apex_available:platform",
+        "com.android.media.swcodec",
+        "test_com.android.media.swcodec",
+    ],
 }
diff --git a/graphics/common/1.0/Android.bp b/graphics/common/1.0/Android.bp
index 74a0d9b..ac158d9 100644
--- a/graphics/common/1.0/Android.bp
+++ b/graphics/common/1.0/Android.bp
@@ -21,4 +21,9 @@
     ],
     gen_java: true,
     gen_java_constants: true,
+    apex_available: [
+        "//apex_available:platform",
+        "com.android.media.swcodec",
+        "test_com.android.media.swcodec",
+    ],
 }
diff --git a/graphics/common/1.1/Android.bp b/graphics/common/1.1/Android.bp
index a120278..e45d6dd 100644
--- a/graphics/common/1.1/Android.bp
+++ b/graphics/common/1.1/Android.bp
@@ -24,4 +24,9 @@
     ],
     gen_java: true,
     gen_java_constants: true,
+    apex_available: [
+        "//apex_available:platform",
+        "com.android.media.swcodec",
+        "test_com.android.media.swcodec",
+    ],
 }
diff --git a/graphics/common/1.2/Android.bp b/graphics/common/1.2/Android.bp
index fe149e4..c23085d 100644
--- a/graphics/common/1.2/Android.bp
+++ b/graphics/common/1.2/Android.bp
@@ -25,4 +25,9 @@
     ],
     gen_java: true,
     gen_java_constants: true,
+    apex_available: [
+        "//apex_available:platform",
+        "com.android.media.swcodec",
+        "test_com.android.media.swcodec",
+    ],
 }
diff --git a/drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/BufferType.aidl b/graphics/common/aidl/aidl_api/android.hardware.graphics.common/current/android/hardware/graphics/common/AlphaInterpretation.aidl
similarity index 87%
rename from drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/BufferType.aidl
rename to graphics/common/aidl/aidl_api/android.hardware.graphics.common/current/android/hardware/graphics/common/AlphaInterpretation.aidl
index b6ec34d..ea60283 100644
--- a/drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/BufferType.aidl
+++ b/graphics/common/aidl/aidl_api/android.hardware.graphics.common/current/android/hardware/graphics/common/AlphaInterpretation.aidl
@@ -1,11 +1,11 @@
-/*
- * 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.
  * You may obtain a copy of the License at
  *
- *      http://www.apache.org/licenses/LICENSE-2.0
+ *     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,
@@ -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.drm;
+package android.hardware.graphics.common;
+/* @hide */
 @Backing(type="int") @VintfStability
-enum BufferType {
-  SHARED_MEMORY = 0,
-  NATIVE_HANDLE = 1,
+enum AlphaInterpretation {
+  COVERAGE = 0,
+  MASK = 1,
 }
diff --git a/drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/DecryptResult.aidl b/graphics/common/aidl/aidl_api/android.hardware.graphics.common/current/android/hardware/graphics/common/DisplayDecorationSupport.aidl
similarity index 82%
copy from drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/DecryptResult.aidl
copy to graphics/common/aidl/aidl_api/android.hardware.graphics.common/current/android/hardware/graphics/common/DisplayDecorationSupport.aidl
index d2b48d2..27eff76 100644
--- a/drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/DecryptResult.aidl
+++ b/graphics/common/aidl/aidl_api/android.hardware.graphics.common/current/android/hardware/graphics/common/DisplayDecorationSupport.aidl
@@ -1,11 +1,11 @@
-/*
- * 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.
  * You may obtain a copy of the License at
  *
- *      http://www.apache.org/licenses/LICENSE-2.0
+ *     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,
@@ -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.drm;
+package android.hardware.graphics.common;
+/* @hide */
 @VintfStability
-parcelable DecryptResult {
-  int bytesWritten;
-  String detailedError;
+parcelable DisplayDecorationSupport {
+  android.hardware.graphics.common.PixelFormat format;
+  android.hardware.graphics.common.AlphaInterpretation alphaInterpretation;
 }
diff --git a/graphics/common/aidl/android/hardware/graphics/common/AlphaInterpretation.aidl b/graphics/common/aidl/android/hardware/graphics/common/AlphaInterpretation.aidl
new file mode 100644
index 0000000..e994cf2
--- /dev/null
+++ b/graphics/common/aidl/android/hardware/graphics/common/AlphaInterpretation.aidl
@@ -0,0 +1,42 @@
+/**
+ * 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.graphics.common;
+
+/**
+ * How to interperet alpha values when it may be ambiguous.
+ * @hide
+ */
+@VintfStability
+@Backing(type="int")
+enum AlphaInterpretation {
+    /**
+     * Alpha values are treated as coverage.
+     *
+     * Pixels in the buffer with an alpha of 0 (transparent) will be rendered in
+     * black, and pixels with a max value will show the content underneath. An
+     * alpha in between will show the content blended with black.
+     */
+    COVERAGE = 0,
+    /**
+     * Alpha values are treated as a mask.
+     *
+     * Pixels in the buffer with an alpha of 0 (transparent) will show the
+     * content underneath, and pixels with a max value will be rendered in
+     * black. An alpha in between will show the content blended with black.
+     */
+    MASK = 1,
+}
diff --git a/graphics/common/aidl/android/hardware/graphics/common/DisplayDecorationSupport.aidl b/graphics/common/aidl/android/hardware/graphics/common/DisplayDecorationSupport.aidl
new file mode 100644
index 0000000..42c2392
--- /dev/null
+++ b/graphics/common/aidl/android/hardware/graphics/common/DisplayDecorationSupport.aidl
@@ -0,0 +1,42 @@
+/**
+ * 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.graphics.common;
+
+import android.hardware.graphics.common.PixelFormat;
+import android.hardware.graphics.common.AlphaInterpretation;
+
+/**
+ * A description of how a device supports Composition.DISPLAY_DECORATION.
+ *
+ * If the device supports Composition.DISPLAY_DECORATION, a call to
+ * IComposerClient.getDisplayDecorationSupport should return an instance of this
+ * parcelable. Otherwise the method should return null.
+ * @hide
+ */
+@VintfStability
+parcelable DisplayDecorationSupport {
+    /**
+     * The format to use for DISPLAY_DECORATION layers. Other formats are not
+     * supported. If other formats are used with DISPLAY_DECORATION, the result
+     * is undefined.
+     */
+    PixelFormat format;
+    /**
+     * How the device intreprets the alpha in the pixel buffer.
+     */
+    AlphaInterpretation alphaInterpretation;
+}
diff --git a/graphics/composer/aidl/aidl_api/android.hardware.graphics.composer3/current/android/hardware/graphics/composer3/DisplayCapability.aidl b/graphics/composer/aidl/aidl_api/android.hardware.graphics.composer3/current/android/hardware/graphics/composer3/DisplayCapability.aidl
index b41ac8a..6eba887 100644
--- a/graphics/composer/aidl/aidl_api/android.hardware.graphics.composer3/current/android/hardware/graphics/composer3/DisplayCapability.aidl
+++ b/graphics/composer/aidl/aidl_api/android.hardware.graphics.composer3/current/android/hardware/graphics/composer3/DisplayCapability.aidl
@@ -41,6 +41,5 @@
   PROTECTED_CONTENTS = 4,
   AUTO_LOW_LATENCY_MODE = 5,
   SUSPEND = 6,
-  DISPLAY_DECORATION = 7,
-  DISPLAY_IDLE_TIMER = 8,
+  DISPLAY_IDLE_TIMER = 7,
 }
diff --git a/graphics/composer/aidl/aidl_api/android.hardware.graphics.composer3/current/android/hardware/graphics/composer3/IComposerClient.aidl b/graphics/composer/aidl/aidl_api/android.hardware.graphics.composer3/current/android/hardware/graphics/composer3/IComposerClient.aidl
index 2de699b..b49f239 100644
--- a/graphics/composer/aidl/aidl_api/android.hardware.graphics.composer3/current/android/hardware/graphics/composer3/IComposerClient.aidl
+++ b/graphics/composer/aidl/aidl_api/android.hardware.graphics.composer3/current/android/hardware/graphics/composer3/IComposerClient.aidl
@@ -59,6 +59,7 @@
   @nullable ParcelFileDescriptor getReadbackBufferFence(long display);
   android.hardware.graphics.composer3.RenderIntent[] getRenderIntents(long display, android.hardware.graphics.composer3.ColorMode mode);
   android.hardware.graphics.composer3.ContentType[] getSupportedContentTypes(long display);
+  @nullable android.hardware.graphics.common.DisplayDecorationSupport getDisplayDecorationSupport(long display);
   void registerCallback(in android.hardware.graphics.composer3.IComposerCallback callback);
   void setActiveConfig(long display, int config);
   android.hardware.graphics.composer3.VsyncPeriodChangeTimeline setActiveConfigWithConstraints(long display, int config, in android.hardware.graphics.composer3.VsyncPeriodChangeConstraints vsyncPeriodChangeConstraints);
diff --git a/graphics/composer/aidl/android/hardware/graphics/composer3/Composition.aidl b/graphics/composer/aidl/android/hardware/graphics/composer3/Composition.aidl
index 803de06..adcc9f6 100644
--- a/graphics/composer/aidl/android/hardware/graphics/composer3/Composition.aidl
+++ b/graphics/composer/aidl/android/hardware/graphics/composer3/Composition.aidl
@@ -75,13 +75,12 @@
     SIDEBAND = 5,
     /**
      * A display decoration layer contains a buffer which is used to provide
-     * anti-aliasing on the cutout region/rounded corners on the top and
+     * anti-aliasing on the cutout region and rounded corners on the top and
      * bottom of a display.
      *
-     * Pixels in the buffer with an alpha of 0 (transparent) will show the
-     * content underneath, and pixels with a max alpha value will be rendered in
-     * black. An alpha in between will show the underlying content blended with
-     * black.
+     * Only supported if the device returns a valid struct from
+     * getDisplayDecorationSupport. Pixels in the buffer are interpreted
+     * according to the DisplayDecorationSupport.alphInterpretation.
      *
      * Upon validateDisplay, the device may request a change from this type
      * to either DEVICE or CLIENT.
diff --git a/graphics/composer/aidl/android/hardware/graphics/composer3/DisplayCapability.aidl b/graphics/composer/aidl/android/hardware/graphics/composer3/DisplayCapability.aidl
index 85136c4..f4b2984 100644
--- a/graphics/composer/aidl/android/hardware/graphics/composer3/DisplayCapability.aidl
+++ b/graphics/composer/aidl/android/hardware/graphics/composer3/DisplayCapability.aidl
@@ -76,12 +76,8 @@
      */
     SUSPEND = 6,
     /**
-     * Indicates that the display supports Composition.DISPLAY_DECORATION.
-     */
-    DISPLAY_DECORATION = 7,
-    /**
      * Indicates that the display supports IComposerClient.setIdleTimerEnabled and
      * IComposerCallback.onVsyncIdle.
      */
-    DISPLAY_IDLE_TIMER = 8,
+    DISPLAY_IDLE_TIMER = 7,
 }
diff --git a/graphics/composer/aidl/android/hardware/graphics/composer3/IComposerClient.aidl b/graphics/composer/aidl/android/hardware/graphics/composer3/IComposerClient.aidl
index 2fe6656..769f803 100644
--- a/graphics/composer/aidl/android/hardware/graphics/composer3/IComposerClient.aidl
+++ b/graphics/composer/aidl/android/hardware/graphics/composer3/IComposerClient.aidl
@@ -16,6 +16,7 @@
 
 package android.hardware.graphics.composer3;
 
+import android.hardware.graphics.common.DisplayDecorationSupport;
 import android.hardware.graphics.common.Transform;
 import android.hardware.graphics.composer3.ClientTargetProperty;
 import android.hardware.graphics.composer3.ColorMode;
@@ -516,6 +517,16 @@
     ContentType[] getSupportedContentTypes(long display);
 
     /**
+     * Report whether and how this display supports Composition.DISPLAY_DECORATION.
+     *
+     * @return A description of how the display supports DISPLAY_DECORATION, or null
+     * if it is unsupported.
+     *
+     * @exception EX_BAD_DISPLAY when an invalid display handle was passed in.
+     */
+    @nullable DisplayDecorationSupport getDisplayDecorationSupport(long display);
+
+    /**
      * Provides a IComposerCallback object for the device to call.
      *
      * This function must be called only once.
diff --git a/graphics/composer/aidl/android/hardware/graphics/composer3/vts/functional/VtsHalGraphicsComposer3_ReadbackTest.cpp b/graphics/composer/aidl/android/hardware/graphics/composer3/vts/functional/VtsHalGraphicsComposer3_ReadbackTest.cpp
index a179f1b..686299a 100644
--- a/graphics/composer/aidl/android/hardware/graphics/composer3/vts/functional/VtsHalGraphicsComposer3_ReadbackTest.cpp
+++ b/graphics/composer/aidl/android/hardware/graphics/composer3/vts/functional/VtsHalGraphicsComposer3_ReadbackTest.cpp
@@ -62,9 +62,6 @@
         }
         mComposerClient->setVsyncAllowed(/*isAllowed*/ false);
 
-        // set up gralloc
-        mGraphicBuffer = allocate();
-
         EXPECT_TRUE(mComposerClient->setPowerMode(getPrimaryDisplayId(), PowerMode::ON).isOk());
 
         ASSERT_NO_FATAL_FAILURE(
@@ -112,15 +109,18 @@
 
     int32_t getDisplayHeight() const { return getPrimaryDisplay().getDisplayHeight(); }
 
-    ::android::sp<::android::GraphicBuffer> allocate() {
+    std::pair<bool, ::android::sp<::android::GraphicBuffer>> allocateBuffer(uint32_t usage) {
         const auto width = static_cast<uint32_t>(getDisplayWidth());
         const auto height = static_cast<uint32_t>(getDisplayHeight());
-        const auto usage = static_cast<uint32_t>(common::BufferUsage::CPU_WRITE_OFTEN) |
-                           static_cast<uint32_t>(common::BufferUsage::CPU_READ_OFTEN);
 
-        return ::android::sp<::android::GraphicBuffer>::make(
+        const auto& graphicBuffer = ::android::sp<::android::GraphicBuffer>::make(
                 width, height, ::android::PIXEL_FORMAT_RGBA_8888,
                 /*layerCount*/ 1u, usage, "VtsHalGraphicsComposer3_ReadbackTest");
+
+        if (graphicBuffer && ::android::OK == graphicBuffer->initCheck()) {
+            return {true, graphicBuffer};
+        }
+        return {false, graphicBuffer};
     }
 
     uint64_t getStableDisplayId(int64_t display) {
@@ -231,7 +231,6 @@
     std::vector<ColorMode> mTestColorModes;
     ComposerClientWriter mWriter;
     ComposerClientReader mReader;
-    ::android::sp<::android::GraphicBuffer> mGraphicBuffer;
     std::unique_ptr<TestRenderEngine> mTestRenderEngine;
     common::PixelFormat mPixelFormat;
     common::Dataspace mDataspace;
@@ -339,8 +338,8 @@
                 {0, getDisplayHeight() / 2, getDisplayWidth(), getDisplayHeight()}, BLUE);
 
         auto layer = std::make_shared<TestBufferLayer>(
-                mComposerClient, mGraphicBuffer, *mTestRenderEngine, getPrimaryDisplayId(),
-                getDisplayWidth(), getDisplayHeight(), common::PixelFormat::RGBA_8888);
+                mComposerClient, *mTestRenderEngine, getPrimaryDisplayId(), getDisplayWidth(),
+                getDisplayHeight(), common::PixelFormat::RGBA_8888);
         layer->setDisplayFrame({0, 0, getDisplayWidth(), getDisplayHeight()});
         layer->setZOrder(10);
         layer->setDataspace(ReadbackHelper::getDataspaceForColorMode(mode), mWriter);
@@ -392,15 +391,12 @@
         layer->write(mWriter);
 
         // This following buffer call should have no effect
-        uint64_t usage =
-                static_cast<uint64_t>(static_cast<uint64_t>(common::BufferUsage::CPU_READ_OFTEN) |
-                                      static_cast<uint64_t>(common::BufferUsage::CPU_WRITE_OFTEN));
-
-        mGraphicBuffer->reallocate(static_cast<uint32_t>(getDisplayWidth()),
-                                   static_cast<uint32_t>(getDisplayHeight()), 1,
-                                   static_cast<uint32_t>(common::PixelFormat::RGBA_8888), usage);
-        mWriter.setLayerBuffer(getPrimaryDisplayId(), layer->getLayer(), /*slot*/ 0,
-                               mGraphicBuffer->handle,
+        const auto usage = static_cast<uint32_t>(common::BufferUsage::CPU_WRITE_OFTEN) |
+                           static_cast<uint32_t>(common::BufferUsage::CPU_READ_OFTEN);
+        const auto& [graphicBufferStatus, graphicBuffer] = allocateBuffer(usage);
+        ASSERT_TRUE(graphicBufferStatus);
+        const auto& buffer = graphicBuffer->handle;
+        mWriter.setLayerBuffer(getPrimaryDisplayId(), layer->getLayer(), /*slot*/ 0, buffer,
                                /*acquireFence*/ -1);
 
         // expected color for each pixel
@@ -450,9 +446,11 @@
         return;
     }
 
-    ASSERT_NE(nullptr, mGraphicBuffer);
-    ASSERT_EQ(::android::OK, mGraphicBuffer->initCheck());
-    const auto& bufferHandle = mGraphicBuffer->handle;
+    const auto usage = static_cast<uint32_t>(common::BufferUsage::CPU_WRITE_OFTEN) |
+                       static_cast<uint32_t>(common::BufferUsage::CPU_READ_OFTEN);
+    const auto& [graphicBufferStatus, graphicBuffer] = allocateBuffer(usage);
+    ASSERT_TRUE(graphicBufferStatus);
+    const auto& bufferHandle = graphicBuffer->handle;
     ::ndk::ScopedFileDescriptor fence = ::ndk::ScopedFileDescriptor(-1);
 
     const auto status =
@@ -523,9 +521,9 @@
                 expectedColors, getDisplayWidth(),
                 {0, getDisplayHeight() / 2, getDisplayWidth(), getDisplayHeight()}, BLUE);
 
-        auto layer = std::make_shared<TestBufferLayer>(
-                mComposerClient, mGraphicBuffer, *mTestRenderEngine, getPrimaryDisplayId(),
-                getDisplayWidth(), getDisplayHeight(), PixelFormat::RGBA_FP16);
+        auto layer = std::make_shared<TestBufferLayer>(mComposerClient, *mTestRenderEngine,
+                                                       getPrimaryDisplayId(), getDisplayWidth(),
+                                                       getDisplayHeight(), PixelFormat::RGBA_FP16);
         layer->setDisplayFrame({0, 0, getDisplayWidth(), getDisplayHeight()});
         layer->setZOrder(10);
         layer->setDataspace(ReadbackHelper::getDataspaceForColorMode(mode), mWriter);
@@ -554,30 +552,28 @@
             common::Rect damage{0, 0, getDisplayWidth(), getDisplayHeight()};
 
             // create client target buffer
-            mGraphicBuffer->reallocate(layer->getWidth(), layer->getHeight(),
-                                       static_cast<int32_t>(common::PixelFormat::RGBA_8888),
-                                       layer->getLayerCount(), clientUsage);
-
-            ASSERT_NE(nullptr, mGraphicBuffer->handle);
-
+            const auto& [graphicBufferStatus, graphicBuffer] = allocateBuffer(clientUsage);
+            ASSERT_TRUE(graphicBufferStatus);
+            const auto& buffer = graphicBuffer->handle;
             void* clientBufData;
-            mGraphicBuffer->lock(clientUsage, layer->getAccessRegion(), &clientBufData);
+            const auto stride = static_cast<uint32_t>(graphicBuffer->stride);
+            graphicBuffer->lock(clientUsage, layer->getAccessRegion(), &clientBufData);
 
             ASSERT_NO_FATAL_FAILURE(
-                    ReadbackHelper::fillBuffer(layer->getWidth(), layer->getHeight(),
-                                               static_cast<uint32_t>(mGraphicBuffer->stride),
+                    ReadbackHelper::fillBuffer(layer->getWidth(), layer->getHeight(), stride,
                                                clientBufData, clientFormat, expectedColors));
-            EXPECT_EQ(::android::OK, mGraphicBuffer->unlock());
+            int32_t clientFence;
+            const auto unlockStatus = graphicBuffer->unlockAsync(&clientFence);
+            ASSERT_EQ(::android::OK, unlockStatus);
+            if (clientFence >= 0) {
+                sync_wait(clientFence, -1);
+                close(clientFence);
+            }
 
-            const auto& [status, bufferFence] =
-                    mComposerClient->getReadbackBufferFence(getPrimaryDisplayId());
-            EXPECT_TRUE(status.isOk());
-
+            mWriter.setClientTarget(getPrimaryDisplayId(), /*slot*/ 0, buffer, clientFence,
+                                    clientDataspace, std::vector<common::Rect>(1, damage));
             layer->setToClientComposition(mWriter);
-            mWriter.acceptDisplayChanges(getPrimaryDisplayId());
-            mWriter.setClientTarget(getPrimaryDisplayId(), /*slot*/ 0, mGraphicBuffer->handle,
-                                    bufferFence.get(), clientDataspace,
-                                    std::vector<common::Rect>(1, damage));
+            mWriter.validateDisplay(getPrimaryDisplayId(), ComposerClientWriter::kNoTimestamp);
             execute();
             changedCompositionTypes = mReader.takeChangedCompositionTypes(getPrimaryDisplayId());
             ASSERT_TRUE(changedCompositionTypes.empty());
@@ -623,8 +619,8 @@
         ASSERT_NO_FATAL_FAILURE(readbackBuffer.setReadbackBuffer());
 
         auto deviceLayer = std::make_shared<TestBufferLayer>(
-                mComposerClient, mGraphicBuffer, *mTestRenderEngine, getPrimaryDisplayId(),
-                getDisplayWidth(), getDisplayHeight() / 2, PixelFormat::RGBA_8888);
+                mComposerClient, *mTestRenderEngine, getPrimaryDisplayId(), getDisplayWidth(),
+                getDisplayHeight() / 2, PixelFormat::RGBA_8888);
         std::vector<Color> deviceColors(deviceLayer->getWidth() * deviceLayer->getHeight());
         ReadbackHelper::fillColorsArea(deviceColors, static_cast<int32_t>(deviceLayer->getWidth()),
                                        {0, 0, static_cast<int32_t>(deviceLayer->getWidth()),
@@ -647,8 +643,8 @@
         int32_t clientHeight = getDisplayHeight() / 2;
 
         auto clientLayer = std::make_shared<TestBufferLayer>(
-                mComposerClient, mGraphicBuffer, *mTestRenderEngine, getPrimaryDisplayId(),
-                clientWidth, clientHeight, PixelFormat::RGBA_FP16, Composition::DEVICE);
+                mComposerClient, *mTestRenderEngine, getPrimaryDisplayId(), clientWidth,
+                clientHeight, PixelFormat::RGBA_FP16, Composition::DEVICE);
         common::Rect clientFrame = {0, getDisplayHeight() / 2, getDisplayWidth(),
                                     getDisplayHeight()};
         clientLayer->setDisplayFrame(clientFrame);
@@ -663,33 +659,32 @@
         }
         // create client target buffer
         ASSERT_EQ(Composition::CLIENT, changedCompositionTypes[0].composition);
-        mGraphicBuffer->reallocate(static_cast<uint32_t>(getDisplayWidth()),
-                                   static_cast<uint32_t>(getDisplayHeight()),
-                                   static_cast<int32_t>(common::PixelFormat::RGBA_8888),
-                                   clientLayer->getLayerCount(), clientUsage);
-        ASSERT_NE(nullptr, mGraphicBuffer->handle);
+        const auto& [graphicBufferStatus, graphicBuffer] = allocateBuffer(clientUsage);
+        ASSERT_TRUE(graphicBufferStatus);
+        const auto& buffer = graphicBuffer->handle;
 
         void* clientBufData;
-        mGraphicBuffer->lock(clientUsage, {0, 0, getDisplayWidth(), getDisplayHeight()},
-                             &clientBufData);
+        graphicBuffer->lock(clientUsage, {0, 0, getDisplayWidth(), getDisplayHeight()},
+                            &clientBufData);
 
         std::vector<Color> clientColors(
                 static_cast<size_t>(getDisplayWidth() * getDisplayHeight()));
         ReadbackHelper::fillColorsArea(clientColors, getDisplayWidth(), clientFrame, RED);
         ASSERT_NO_FATAL_FAILURE(ReadbackHelper::fillBuffer(
                 static_cast<uint32_t>(getDisplayWidth()), static_cast<uint32_t>(getDisplayHeight()),
-                mGraphicBuffer->getStride(), clientBufData, clientFormat, clientColors));
-        EXPECT_EQ(::android::OK, mGraphicBuffer->unlock());
+                graphicBuffer->getStride(), clientBufData, clientFormat, clientColors));
+        int32_t clientFence;
+        const auto unlockStatus = graphicBuffer->unlockAsync(&clientFence);
+        ASSERT_EQ(::android::OK, unlockStatus);
+        if (clientFence >= 0) {
+            sync_wait(clientFence, -1);
+            close(clientFence);
+        }
 
-        const auto& [status, bufferFence] =
-                mComposerClient->getReadbackBufferFence(getPrimaryDisplayId());
-        EXPECT_TRUE(status.isOk());
-
+        mWriter.setClientTarget(getPrimaryDisplayId(), /*slot*/ 0, buffer, clientFence,
+                                clientDataspace, std::vector<common::Rect>(1, clientFrame));
         clientLayer->setToClientComposition(mWriter);
-        mWriter.acceptDisplayChanges(getPrimaryDisplayId());
-        mWriter.setClientTarget(getPrimaryDisplayId(), /*slot*/ 0, mGraphicBuffer->handle,
-                                bufferFence.get(), clientDataspace,
-                                std::vector<common::Rect>(1, clientFrame));
+        mWriter.validateDisplay(getPrimaryDisplayId(), ComposerClientWriter::kNoTimestamp);
         execute();
         changedCompositionTypes = mReader.takeChangedCompositionTypes(getPrimaryDisplayId());
         ASSERT_TRUE(changedCompositionTypes.empty());
@@ -721,9 +716,9 @@
                 static_cast<size_t>(getDisplayWidth() * getDisplayHeight()));
         ReadbackHelper::fillColorsArea(expectedColors, getDisplayWidth(), redRect, RED);
 
-        auto layer = std::make_shared<TestBufferLayer>(
-                mComposerClient, mGraphicBuffer, *mTestRenderEngine, getPrimaryDisplayId(),
-                getDisplayWidth(), getDisplayHeight(), PixelFormat::RGBA_8888);
+        auto layer = std::make_shared<TestBufferLayer>(mComposerClient, *mTestRenderEngine,
+                                                       getPrimaryDisplayId(), getDisplayWidth(),
+                                                       getDisplayHeight(), PixelFormat::RGBA_8888);
         layer->setDisplayFrame({0, 0, getDisplayWidth(), getDisplayHeight()});
         layer->setZOrder(10);
         layer->setDataspace(ReadbackHelper::getDataspaceForColorMode(mode), mWriter);
@@ -849,9 +844,9 @@
                 expectedColors, getDisplayWidth(),
                 {0, getDisplayHeight() / 2, getDisplayWidth(), getDisplayHeight()}, BLUE);
 
-        auto layer = std::make_shared<TestBufferLayer>(
-                mComposerClient, mGraphicBuffer, *mTestRenderEngine, getPrimaryDisplayId(),
-                getDisplayWidth(), getDisplayHeight(), PixelFormat::RGBA_8888);
+        auto layer = std::make_shared<TestBufferLayer>(mComposerClient, *mTestRenderEngine,
+                                                       getPrimaryDisplayId(), getDisplayWidth(),
+                                                       getDisplayHeight(), PixelFormat::RGBA_8888);
         layer->setDisplayFrame({0, 0, getDisplayWidth(), getDisplayHeight()});
         layer->setZOrder(10);
         layer->setDataspace(ReadbackHelper::getDataspaceForColorMode(mode), mWriter);
@@ -1085,9 +1080,9 @@
         backgroundLayer->setZOrder(0);
         backgroundLayer->setColor(mBackgroundColor);
 
-        auto layer = std::make_shared<TestBufferLayer>(
-                mComposerClient, mGraphicBuffer, *mTestRenderEngine, getPrimaryDisplayId(),
-                getDisplayWidth(), getDisplayHeight(), PixelFormat::RGBA_8888);
+        auto layer = std::make_shared<TestBufferLayer>(mComposerClient, *mTestRenderEngine,
+                                                       getPrimaryDisplayId(), getDisplayWidth(),
+                                                       getDisplayHeight(), PixelFormat::RGBA_8888);
         layer->setDisplayFrame({0, 0, getDisplayWidth(), getDisplayHeight()});
         layer->setZOrder(10);
         layer->setDataspace(Dataspace::UNKNOWN, mWriter);
@@ -1285,9 +1280,9 @@
         common::Rect redRect = {0, 0, mSideLength / 2, mSideLength / 2};
         common::Rect blueRect = {mSideLength / 2, mSideLength / 2, mSideLength, mSideLength};
 
-        mLayer = std::make_shared<TestBufferLayer>(
-                mComposerClient, mGraphicBuffer, *mTestRenderEngine, getPrimaryDisplayId(),
-                mSideLength, mSideLength, PixelFormat::RGBA_8888);
+        mLayer = std::make_shared<TestBufferLayer>(mComposerClient, *mTestRenderEngine,
+                                                   getPrimaryDisplayId(), mSideLength, mSideLength,
+                                                   PixelFormat::RGBA_8888);
         mLayer->setDisplayFrame({0, 0, mSideLength, mSideLength});
         mLayer->setZOrder(10);
 
diff --git a/graphics/composer/aidl/android/hardware/graphics/composer3/vts/functional/composer-vts/ReadbackVts.cpp b/graphics/composer/aidl/android/hardware/graphics/composer3/vts/functional/composer-vts/ReadbackVts.cpp
index f163e09..553eec3 100644
--- a/graphics/composer/aidl/android/hardware/graphics/composer3/vts/functional/composer-vts/ReadbackVts.cpp
+++ b/graphics/composer/aidl/android/hardware/graphics/composer3/vts/functional/composer-vts/ReadbackVts.cpp
@@ -209,14 +209,14 @@
     mAccessRegion.bottom = static_cast<int32_t>(height);
 }
 
-::android::sp<::android::GraphicBuffer> ReadbackBuffer::allocate() {
+::android::sp<::android::GraphicBuffer> ReadbackBuffer::allocateBuffer() {
     return ::android::sp<::android::GraphicBuffer>::make(
             mWidth, mHeight, static_cast<::android::PixelFormat>(mPixelFormat), mLayerCount, mUsage,
-            "ReadbackVts");
+            "ReadbackBuffer");
 }
 
 void ReadbackBuffer::setReadbackBuffer() {
-    mGraphicBuffer = allocate();
+    mGraphicBuffer = allocateBuffer();
     ASSERT_NE(nullptr, mGraphicBuffer);
     ASSERT_EQ(::android::OK, mGraphicBuffer->initCheck());
     const auto& bufferHandle = mGraphicBuffer->handle;
@@ -262,12 +262,10 @@
 }
 
 TestBufferLayer::TestBufferLayer(const std::shared_ptr<VtsComposerClient>& client,
-                                 const ::android::sp<::android::GraphicBuffer>& graphicBuffer,
                                  TestRenderEngine& renderEngine, int64_t display, uint32_t width,
                                  uint32_t height, common::PixelFormat format,
                                  Composition composition)
     : TestLayer{client, display}, mRenderEngine(renderEngine) {
-    mGraphicBuffer = graphicBuffer;
     mComposition = composition;
     mWidth = width;
     mHeight = height;
@@ -290,8 +288,9 @@
     TestLayer::write(writer);
     writer.setLayerCompositionType(mDisplay, mLayer, mComposition);
     writer.setLayerVisibleRegion(mDisplay, mLayer, std::vector<Rect>(1, mDisplayFrame));
-    if (mGraphicBuffer->handle != nullptr)
-        writer.setLayerBuffer(mDisplay, mLayer, 0, mGraphicBuffer->handle, mFillFence);
+    if (mGraphicBuffer) {
+        writer.setLayerBuffer(mDisplay, mLayer, /*slot*/ 0, mGraphicBuffer->handle, mFillFence);
+    }
 }
 
 LayerSettings TestBufferLayer::toRenderEngineLayerSettings() {
@@ -326,16 +325,26 @@
     EXPECT_EQ(::android::OK, status);
     ASSERT_NO_FATAL_FAILURE(ReadbackHelper::fillBuffer(mWidth, mHeight, stride, bufData,
                                                        mPixelFormat, expectedColors));
-    EXPECT_EQ(::android::OK, mGraphicBuffer->unlock());
+
+    const auto unlockStatus = mGraphicBuffer->unlockAsync(&mFillFence);
+    ASSERT_EQ(::android::OK, unlockStatus);
+    if (mFillFence >= 0) {
+        sync_wait(mFillFence, -1);
+        close(mFillFence);
+    }
 }
 
 void TestBufferLayer::setBuffer(std::vector<Color> colors) {
-    mGraphicBuffer->reallocate(mWidth, mHeight, static_cast<::android::PixelFormat>(mPixelFormat),
-                               mLayerCount, mUsage);
+    mGraphicBuffer = allocateBuffer();
     ASSERT_NE(nullptr, mGraphicBuffer);
-    ASSERT_NE(nullptr, mGraphicBuffer->handle);
-    ASSERT_NO_FATAL_FAILURE(fillBuffer(colors));
     ASSERT_EQ(::android::OK, mGraphicBuffer->initCheck());
+    ASSERT_NO_FATAL_FAILURE(fillBuffer(colors));
+}
+
+::android::sp<::android::GraphicBuffer> TestBufferLayer::allocateBuffer() {
+    return ::android::sp<::android::GraphicBuffer>::make(
+            mWidth, mHeight, static_cast<::android::PixelFormat>(mPixelFormat), mLayerCount, mUsage,
+            "TestBufferLayer");
 }
 
 void TestBufferLayer::setDataspace(common::Dataspace dataspace, ComposerClientWriter& writer) {
diff --git a/graphics/composer/aidl/android/hardware/graphics/composer3/vts/functional/composer-vts/include/ReadbackVts.h b/graphics/composer/aidl/android/hardware/graphics/composer3/vts/functional/composer-vts/include/ReadbackVts.h
index ce30db0..ee9f0d5 100644
--- a/graphics/composer/aidl/android/hardware/graphics/composer3/vts/functional/composer-vts/include/ReadbackVts.h
+++ b/graphics/composer/aidl/android/hardware/graphics/composer3/vts/functional/composer-vts/include/ReadbackVts.h
@@ -120,7 +120,6 @@
 class TestBufferLayer : public TestLayer {
   public:
     TestBufferLayer(const std::shared_ptr<VtsComposerClient>& client,
-                    const ::android::sp<::android::GraphicBuffer>& graphicBuffer,
                     TestRenderEngine& renderEngine, int64_t display, uint32_t width,
                     uint32_t height, common::PixelFormat format,
                     Composition composition = Composition::DEVICE);
@@ -156,6 +155,9 @@
     PixelFormat mPixelFormat;
     uint32_t mUsage;
     ::android::Rect mAccessRegion;
+
+  private:
+    ::android::sp<::android::GraphicBuffer> allocateBuffer();
 };
 
 class ReadbackHelper {
@@ -196,8 +198,6 @@
 
     void checkReadbackBuffer(const std::vector<Color>& expectedColors);
 
-    ::android::sp<::android::GraphicBuffer> allocate();
-
   protected:
     uint32_t mWidth;
     uint32_t mHeight;
@@ -210,6 +210,9 @@
     std::shared_ptr<VtsComposerClient> mComposerClient;
     ::android::Rect mAccessRegion;
     native_handle_t mBufferHandle;
+
+  private:
+    ::android::sp<::android::GraphicBuffer> allocateBuffer();
 };
 
 }  // namespace aidl::android::hardware::graphics::composer3::vts
diff --git a/graphics/composer/aidl/android/hardware/graphics/composer3/vts/functional/composer-vts/include/VtsComposerClient.h b/graphics/composer/aidl/android/hardware/graphics/composer3/vts/functional/composer-vts/include/VtsComposerClient.h
index b53edf8..9af867c 100644
--- a/graphics/composer/aidl/android/hardware/graphics/composer3/vts/functional/composer-vts/include/VtsComposerClient.h
+++ b/graphics/composer/aidl/android/hardware/graphics/composer3/vts/functional/composer-vts/include/VtsComposerClient.h
@@ -199,7 +199,7 @@
 
 class VtsDisplay {
   public:
-    VtsDisplay(int64_t displayId) : mDisplayId(displayId) {}
+    VtsDisplay(int64_t displayId) : mDisplayId(displayId), mDisplayWidth(0), mDisplayHeight(0) {}
 
     int64_t getDisplayId() const { return mDisplayId; }
 
@@ -237,4 +237,4 @@
     int32_t mDisplayHeight;
     std::unordered_map<int32_t, DisplayConfig> displayConfigs;
 };
-}  // namespace aidl::android::hardware::graphics::composer3::vts
\ No newline at end of file
+}  // namespace aidl::android::hardware::graphics::composer3::vts
diff --git a/graphics/mapper/2.0/Android.bp b/graphics/mapper/2.0/Android.bp
index 63fdfa6..6c3ef54 100644
--- a/graphics/mapper/2.0/Android.bp
+++ b/graphics/mapper/2.0/Android.bp
@@ -25,4 +25,9 @@
         "android.hidl.base@1.0",
     ],
     gen_java: false,
+    apex_available: [
+        "//apex_available:platform",
+        "com.android.media.swcodec",
+        "test_com.android.media.swcodec",
+    ],
 }
diff --git a/graphics/mapper/2.1/Android.bp b/graphics/mapper/2.1/Android.bp
index 4011650..cc74156 100644
--- a/graphics/mapper/2.1/Android.bp
+++ b/graphics/mapper/2.1/Android.bp
@@ -26,4 +26,9 @@
         "android.hidl.base@1.0",
     ],
     gen_java: false,
+    apex_available: [
+        "//apex_available:platform",
+        "com.android.media.swcodec",
+        "test_com.android.media.swcodec",
+    ],
 }
diff --git a/graphics/mapper/3.0/Android.bp b/graphics/mapper/3.0/Android.bp
index 401a3a2..88992a3 100644
--- a/graphics/mapper/3.0/Android.bp
+++ b/graphics/mapper/3.0/Android.bp
@@ -27,4 +27,9 @@
         "android.hidl.base@1.0",
     ],
     gen_java: false,
+    apex_available: [
+        "//apex_available:platform",
+        "com.android.media.swcodec",
+        "test_com.android.media.swcodec",
+    ],
 }
diff --git a/graphics/mapper/4.0/Android.bp b/graphics/mapper/4.0/Android.bp
index 4084dcd..0cffce4 100644
--- a/graphics/mapper/4.0/Android.bp
+++ b/graphics/mapper/4.0/Android.bp
@@ -27,4 +27,9 @@
         "android.hidl.base@1.0",
     ],
     gen_java: false,
+    apex_available: [
+        "//apex_available:platform",
+        "com.android.media.swcodec",
+        "test_com.android.media.swcodec",
+    ],
 }
diff --git a/health/utils/libhealthloop/HealthLoop.cpp b/health/utils/libhealthloop/HealthLoop.cpp
index 3f4b5bc..4190769 100644
--- a/health/utils/libhealthloop/HealthLoop.cpp
+++ b/health/utils/libhealthloop/HealthLoop.cpp
@@ -40,8 +40,6 @@
 using namespace android;
 using namespace std::chrono_literals;
 
-#define POWER_SUPPLY_SUBSYSTEM "power_supply"
-
 namespace android {
 namespace hardware {
 namespace health {
@@ -143,7 +141,7 @@
     cp = msg;
 
     while (*cp) {
-        if (!strcmp(cp, "SUBSYSTEM=" POWER_SUPPLY_SUBSYSTEM)) {
+        if (!strcmp(cp, "SUBSYSTEM=power_supply")) {
             ScheduleBatteryUpdate();
             break;
         }
diff --git a/identity/support/include/cppbor/cppbor.h b/identity/support/include/cppbor/cppbor.h
index a755db1..af5d82e 100644
--- a/identity/support/include/cppbor/cppbor.h
+++ b/identity/support/include/cppbor/cppbor.h
@@ -274,7 +274,7 @@
     virtual std::unique_ptr<Item> clone() const override { return std::make_unique<Nint>(mValue); }
 
   private:
-    uint64_t addlInfo() const { return -1ll - mValue; }
+    uint64_t addlInfo() const { return -1LL - mValue; }
 
     int64_t mValue;
 };
diff --git a/light/aidl/vts/functional/Android.bp b/light/aidl/vts/functional/Android.bp
index c5a8562..16804ea 100644
--- a/light/aidl/vts/functional/Android.bp
+++ b/light/aidl/vts/functional/Android.bp
@@ -36,7 +36,7 @@
         "libbinder",
     ],
     static_libs: [
-        "android.hardware.light-V1-cpp",
+        "android.hardware.light-V2-cpp",
     ],
     test_suites: [
         "vts",
diff --git a/media/omx/1.0/vts/functional/common/media_hidl_test_common.h b/media/omx/1.0/vts/functional/common/media_hidl_test_common.h
index eddf83f..6caac63 100644
--- a/media/omx/1.0/vts/functional/common/media_hidl_test_common.h
+++ b/media/omx/1.0/vts/functional/common/media_hidl_test_common.h
@@ -203,9 +203,8 @@
             }
             int64_t delayUs = finishBy - android::ALooper::GetNowUs();
             if (delayUs < 0) return toStatus(android::TIMED_OUT);
-            (timeoutUs < 0)
-                ? msgCondition.wait(msgLock)
-                : msgCondition.waitRelative(msgLock, delayUs * 1000ll);
+            (timeoutUs < 0) ? msgCondition.wait(msgLock)
+                            : msgCondition.waitRelative(msgLock, delayUs * 1000LL);
         }
     }
 
diff --git a/security/dice/aidl/Android.bp b/security/dice/aidl/Android.bp
index 01bc91e..8c31e26 100644
--- a/security/dice/aidl/Android.bp
+++ b/security/dice/aidl/Android.bp
@@ -38,6 +38,10 @@
                 enabled: true,
             },
             apps_enabled: false,
+            apex_available: [
+                "//apex_available:platform",
+                "com.android.compos",
+            ],
         },
         rust: {
             enabled: true,
diff --git a/sensors/aidl/default/Sensor.cpp b/sensors/aidl/default/Sensor.cpp
index 50d8841..62193d6 100644
--- a/sensors/aidl/default/Sensor.cpp
+++ b/sensors/aidl/default/Sensor.cpp
@@ -52,10 +52,10 @@
 }
 
 void Sensor::batch(int64_t samplingPeriodNs) {
-    if (samplingPeriodNs < mSensorInfo.minDelayUs * 1000ll) {
-        samplingPeriodNs = mSensorInfo.minDelayUs * 1000ll;
-    } else if (samplingPeriodNs > mSensorInfo.maxDelayUs * 1000ll) {
-        samplingPeriodNs = mSensorInfo.maxDelayUs * 1000ll;
+    if (samplingPeriodNs < mSensorInfo.minDelayUs * 1000LL) {
+        samplingPeriodNs = mSensorInfo.minDelayUs * 1000LL;
+    } else if (samplingPeriodNs > mSensorInfo.maxDelayUs * 1000LL) {
+        samplingPeriodNs = mSensorInfo.maxDelayUs * 1000LL;
     }
 
     if (mSamplingPeriodNs != samplingPeriodNs) {
diff --git a/sensors/common/default/2.X/Sensor.cpp b/sensors/common/default/2.X/Sensor.cpp
index 23c9803..fd701fd 100644
--- a/sensors/common/default/2.X/Sensor.cpp
+++ b/sensors/common/default/2.X/Sensor.cpp
@@ -59,10 +59,10 @@
 }
 
 void Sensor::batch(int64_t samplingPeriodNs) {
-    if (samplingPeriodNs < mSensorInfo.minDelay * 1000ll) {
-        samplingPeriodNs = mSensorInfo.minDelay * 1000ll;
-    } else if (samplingPeriodNs > mSensorInfo.maxDelay * 1000ll) {
-        samplingPeriodNs = mSensorInfo.maxDelay * 1000ll;
+    if (samplingPeriodNs < mSensorInfo.minDelay * 1000LL) {
+        samplingPeriodNs = mSensorInfo.minDelay * 1000LL;
+    } else if (samplingPeriodNs > mSensorInfo.maxDelay * 1000LL) {
+        samplingPeriodNs = mSensorInfo.maxDelay * 1000LL;
     }
 
     if (mSamplingPeriodNs != samplingPeriodNs) {
diff --git a/tv/tuner/aidl/android/hardware/tv/tuner/IFrontend.aidl b/tv/tuner/aidl/android/hardware/tv/tuner/IFrontend.aidl
index 12f2692..9cbd3dd 100644
--- a/tv/tuner/aidl/android/hardware/tv/tuner/IFrontend.aidl
+++ b/tv/tuner/aidl/android/hardware/tv/tuner/IFrontend.aidl
@@ -142,7 +142,9 @@
      * Request Hardware information about the frontend.
      *
      * The client may use this to collect vendor specific hardware information, e.g. RF
-     * chip version, Demod chip version, detailed status of dvbs blind scan, etc.
+     * chip version, Demod chip version, detailed status of dvbs blind scan, etc. The
+     * client shouldn’t parse things or rely on any format or change their behavior
+     * based on results.
      *
      * @return the frontend hardware information.
      */
diff --git a/update-base-files.sh b/update-base-files.sh
index d01847d..bf7f6e4 100755
--- a/update-base-files.sh
+++ b/update-base-files.sh
@@ -45,8 +45,11 @@
          -o $ANDROID_BUILD_TOP/system/media/audio/include/system/audio_common-base.h \
          android.hardware.audio.common@7.0
 hidl-gen $options \
-         -o $ANDROID_BUILD_TOP/system/media/audio/include/system/audio-base.h \
+         -o $ANDROID_BUILD_TOP/system/media/audio/include/system/audio-base-v7.0.h \
          android.hardware.audio@7.0
 hidl-gen $options \
+         -o $ANDROID_BUILD_TOP/system/media/audio/include/system/audio-base-v7.1.h \
+         android.hardware.audio@7.1
+hidl-gen $options \
          -o $ANDROID_BUILD_TOP/system/media/audio/include/system/audio_effect-base.h \
          android.hardware.audio.effect@7.0
diff --git a/usb/aidl/Android.bp b/usb/aidl/Android.bp
index d1e9e68..f71cacb 100644
--- a/usb/aidl/Android.bp
+++ b/usb/aidl/Android.bp
@@ -12,6 +12,15 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+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.usb",
     vendor_available: true,
diff --git a/usb/aidl/default/Android.bp b/usb/aidl/default/Android.bp
index da0cff2..7cb2822 100644
--- a/usb/aidl/default/Android.bp
+++ b/usb/aidl/default/Android.bp
@@ -14,6 +14,15 @@
 // limitations under the License.
 //
 
+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_binary {
     name: "android.hardware.usb-service.example",
     relative_install_path: "hw",
diff --git a/uwb/aidl/aidl_api/android.hardware.uwb.fira_android/current/android/hardware/uwb/fira_android/UwbVendorGids.aidl b/uwb/aidl/aidl_api/android.hardware.uwb.fira_android/current/android/hardware/uwb/fira_android/UwbVendorGids.aidl
index b0d88e0..5515c67 100644
--- a/uwb/aidl/aidl_api/android.hardware.uwb.fira_android/current/android/hardware/uwb/fira_android/UwbVendorGids.aidl
+++ b/uwb/aidl/aidl_api/android.hardware.uwb.fira_android/current/android/hardware/uwb/fira_android/UwbVendorGids.aidl
@@ -34,5 +34,5 @@
 package android.hardware.uwb.fira_android;
 @Backing(type="byte") @VintfStability
 enum UwbVendorGids {
-  ANDROID = 14,
+  ANDROID = 12,
 }
diff --git a/uwb/aidl/android/hardware/uwb/fira_android/UwbVendorGidAndroidOids.aidl b/uwb/aidl/android/hardware/uwb/fira_android/UwbVendorGidAndroidOids.aidl
index c04bdcf..e389a2d 100644
--- a/uwb/aidl/android/hardware/uwb/fira_android/UwbVendorGidAndroidOids.aidl
+++ b/uwb/aidl/android/hardware/uwb/fira_android/UwbVendorGidAndroidOids.aidl
@@ -19,6 +19,7 @@
 /**
  * Android specific vendor command OIDs should be defined here.
  *
+ * For use with Android GID - 0xC.
  */
 @VintfStability
 @Backing(type="byte")
diff --git a/uwb/aidl/android/hardware/uwb/fira_android/UwbVendorGids.aidl b/uwb/aidl/android/hardware/uwb/fira_android/UwbVendorGids.aidl
index c7bc6b0..dbe00cb 100644
--- a/uwb/aidl/android/hardware/uwb/fira_android/UwbVendorGids.aidl
+++ b/uwb/aidl/android/hardware/uwb/fira_android/UwbVendorGids.aidl
@@ -32,5 +32,5 @@
      */
 
     /** All Android specific commands/response/notification should use this GID */
-    ANDROID = 0xE,
+    ANDROID = 0xC,
 }
diff --git a/vibrator/aidl/OWNERS b/vibrator/aidl/OWNERS
index ae10db6..3982c7b 100644
--- a/vibrator/aidl/OWNERS
+++ b/vibrator/aidl/OWNERS
@@ -1,4 +1,4 @@
 # Bug component: 345036
 include platform/frameworks/base:/services/core/java/com/android/server/vibrator/OWNERS
 chasewu@google.com
-leungv@google.com
+taikuo@google.com
diff --git a/drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/DecryptResult.aidl b/wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/DppConnectionKeys.aidl
similarity index 89%
copy from drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/DecryptResult.aidl
copy to wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/DppConnectionKeys.aidl
index d2b48d2..559d1c9 100644
--- a/drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/DecryptResult.aidl
+++ b/wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/DppConnectionKeys.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.drm;
+package android.hardware.wifi.supplicant;
 @VintfStability
-parcelable DecryptResult {
-  int bytesWritten;
-  String detailedError;
+parcelable DppConnectionKeys {
+  byte[] connector;
+  byte[] cSign;
+  byte[] netAccessKey;
 }
diff --git a/wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/ISupplicantStaIface.aidl b/wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/ISupplicantStaIface.aidl
index 5c0aacd..9293bfd 100644
--- a/wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/ISupplicantStaIface.aidl
+++ b/wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/ISupplicantStaIface.aidl
@@ -44,7 +44,9 @@
   void filsHlpAddRequest(in byte[] dst_mac, in byte[] pkt);
   void filsHlpFlushRequest();
   android.hardware.wifi.supplicant.DppResponderBootstrapInfo generateDppBootstrapInfoForResponder(in byte[] macAddress, in String deviceInfo, in android.hardware.wifi.supplicant.DppCurve curve);
+  void generateSelfDppConfiguration(in String ssid, in byte[] privEcKey);
   android.hardware.wifi.supplicant.ConnectionCapabilities getConnectionCapabilities();
+  android.hardware.wifi.supplicant.MloLinksInfo getConnectionMloLinksInfo();
   android.hardware.wifi.supplicant.KeyMgmtMask getKeyMgmtCapabilities();
   byte[] getMacAddress();
   String getName();
@@ -82,7 +84,7 @@
   void setWpsModelName(in String modelName);
   void setWpsModelNumber(in String modelNumber);
   void setWpsSerialNumber(in String serialNumber);
-  void startDppConfiguratorInitiator(in int peerBootstrapId, in int ownBootstrapId, in String ssid, in String password, in String psk, in android.hardware.wifi.supplicant.DppNetRole netRole, in android.hardware.wifi.supplicant.DppAkm securityAkm);
+  byte[] startDppConfiguratorInitiator(in int peerBootstrapId, in int ownBootstrapId, in String ssid, in String password, in String psk, in android.hardware.wifi.supplicant.DppNetRole netRole, in android.hardware.wifi.supplicant.DppAkm securityAkm, in byte[] privEcKey);
   void startDppEnrolleeInitiator(in int peerBootstrapId, in int ownBootstrapId);
   void startDppEnrolleeResponder(in int listenChannel);
   void startRxFilter();
diff --git a/wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/ISupplicantStaIfaceCallback.aidl b/wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/ISupplicantStaIfaceCallback.aidl
index c17c624..8d11d41 100644
--- a/wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/ISupplicantStaIfaceCallback.aidl
+++ b/wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/ISupplicantStaIfaceCallback.aidl
@@ -43,7 +43,7 @@
   oneway void onDppFailure(in android.hardware.wifi.supplicant.DppFailureCode code, in String ssid, in String channelList, in char[] bandList);
   oneway void onDppProgress(in android.hardware.wifi.supplicant.DppProgressCode code);
   oneway void onDppSuccess(in android.hardware.wifi.supplicant.DppEventType event);
-  oneway void onDppSuccessConfigReceived(in byte[] ssid, in String password, in byte[] psk, in android.hardware.wifi.supplicant.DppAkm securityAkm);
+  oneway void onDppSuccessConfigReceived(in byte[] ssid, in String password, in byte[] psk, in android.hardware.wifi.supplicant.DppAkm securityAkm, in android.hardware.wifi.supplicant.DppConnectionKeys dppConnectionKeys);
   oneway void onDppSuccessConfigSent();
   oneway void onEapFailure(in int errorCode);
   oneway void onExtRadioWorkStart(in int id);
diff --git a/wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/ISupplicantStaNetwork.aidl b/wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/ISupplicantStaNetwork.aidl
index bdc5f34..0b3cb81 100644
--- a/wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/ISupplicantStaNetwork.aidl
+++ b/wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/ISupplicantStaNetwork.aidl
@@ -87,6 +87,7 @@
   void sendNetworkEapSimUmtsAutsResponse(in byte[] auts);
   void setAuthAlg(in android.hardware.wifi.supplicant.AuthAlgMask authAlgMask);
   void setBssid(in byte[] bssid);
+  void setDppKeys(in android.hardware.wifi.supplicant.DppConnectionKeys keys);
   void setEapAltSubjectMatch(in String match);
   void setEapAnonymousIdentity(in byte[] identity);
   void setEapCACert(in String path);
diff --git a/drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/DecryptResult.aidl b/wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/MloLink.aidl
similarity index 90%
rename from drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/DecryptResult.aidl
rename to wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/MloLink.aidl
index d2b48d2..5e2c47b 100644
--- a/drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/DecryptResult.aidl
+++ b/wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/MloLink.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 +31,9 @@
 // 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.drm;
+package android.hardware.wifi.supplicant;
 @VintfStability
-parcelable DecryptResult {
-  int bytesWritten;
-  String detailedError;
+parcelable MloLink {
+  byte linkId;
+  byte[] staLinkMacAddress;
 }
diff --git a/drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/DecryptResult.aidl b/wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/MloLinksInfo.aidl
similarity index 89%
copy from drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/DecryptResult.aidl
copy to wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/MloLinksInfo.aidl
index d2b48d2..14fcb91 100644
--- a/drm/aidl/aidl_api/android.hardware.drm/current/android/hardware/drm/DecryptResult.aidl
+++ b/wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/MloLinksInfo.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 +31,8 @@
 // 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.drm;
+package android.hardware.wifi.supplicant;
 @VintfStability
-parcelable DecryptResult {
-  int bytesWritten;
-  String detailedError;
+parcelable MloLinksInfo {
+  android.hardware.wifi.supplicant.MloLink[] links;
 }
diff --git a/wifi/supplicant/aidl/android/hardware/wifi/supplicant/DppConnectionKeys.aidl b/wifi/supplicant/aidl/android/hardware/wifi/supplicant/DppConnectionKeys.aidl
new file mode 100644
index 0000000..056756b
--- /dev/null
+++ b/wifi/supplicant/aidl/android/hardware/wifi/supplicant/DppConnectionKeys.aidl
@@ -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.
+ */
+
+package android.hardware.wifi.supplicant;
+
+/**
+ * connection keys that are used for DPP network connection.
+ */
+@VintfStability
+parcelable DppConnectionKeys {
+    /**
+     * DPP Connector (signedConnector)
+     */
+    byte[] connector;
+    /**
+     * C-sign-key (Configurator public key)
+     */
+    byte[] cSign;
+    /**
+     * DPP net access key (own private key)
+     */
+    byte[] netAccessKey;
+}
diff --git a/wifi/supplicant/aidl/android/hardware/wifi/supplicant/ISupplicantStaIface.aidl b/wifi/supplicant/aidl/android/hardware/wifi/supplicant/ISupplicantStaIface.aidl
index a48a991..1b7f5bd 100644
--- a/wifi/supplicant/aidl/android/hardware/wifi/supplicant/ISupplicantStaIface.aidl
+++ b/wifi/supplicant/aidl/android/hardware/wifi/supplicant/ISupplicantStaIface.aidl
@@ -28,6 +28,7 @@
 import android.hardware.wifi.supplicant.ISupplicantStaNetwork;
 import android.hardware.wifi.supplicant.IfaceType;
 import android.hardware.wifi.supplicant.KeyMgmtMask;
+import android.hardware.wifi.supplicant.MloLinksInfo;
 import android.hardware.wifi.supplicant.QosPolicyStatus;
 import android.hardware.wifi.supplicant.RxFilterType;
 import android.hardware.wifi.supplicant.WpaDriverCapabilitiesMask;
@@ -179,6 +180,24 @@
             in byte[] macAddress, in String deviceInfo, in DppCurve curve);
 
     /**
+     * To Onboard / Configure self with DPP credentials.
+     *
+     * This is used to generate DppConnectionKeys for self. Thus a configurator
+     * can use the credentials to connect to an AP which it has configured for
+     * DPP AKM. This should be called before initiating first DPP connection
+     * on Configurator side. This API generates onDppSuccessConfigReceived()
+     * callback event asynchronously with DppConnectionKeys.
+     *
+     * @param ssid Network SSID configured profile
+     * @param privEcKey Private EC keys for this profile which was used to
+     *        configure other enrollee in network.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |SupplicantStatusCode.FAILURE_UNKNOWN|
+     *         |SupplicantStatusCode.FAILURE_UNSUPPORTED|
+     */
+    void generateSelfDppConfiguration(in String ssid, in byte[] privEcKey);
+
+    /**
      * Get Connection capabilities
      *
      * @return Connection capabilities.
@@ -188,6 +207,15 @@
     ConnectionCapabilities getConnectionCapabilities();
 
     /**
+     * Get Connection MLO links Info
+     *
+     * @return Connection MLO Links Info.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |SupplicantStatusCode.FAILURE_UNKNOWN|
+     */
+    MloLinksInfo getConnectionMloLinksInfo();
+
+    /**
      * Get Key management capabilities of the device
      *
      * @return Bitmap of key management mask.
@@ -620,20 +648,27 @@
      *
      * @param peerBootstrapId Peer device's URI ID.
      * @param ownBootstrapId Local device's URI ID (0 for none, optional).
-     * @param ssid Network SSID to send to peer (SAE/PSK mode).
+     * @param ssid Network SSID to send to peer (SAE/PSK/DPP mode).
      * @param password Network password to send to peer (SAE/PSK mode).
      * @param psk Network PSK to send to peer (PSK mode only). Either password or psk should be set.
      * @param netRole Role to configure the peer, |DppNetRole.DPP_NET_ROLE_STA| or
      *        |DppNetRole.DPP_NET_ROLE_AP|.
      * @param securityAkm Security AKM to use (See DppAkm).
+     * @param privEcKey Private EC keys for this profile which was used to
+     *        configure other enrollee in network. This param is valid only for DPP AKM.
+     *        This param is set to Null by configurator to indicate first DPP-AKM based
+     *        configuration to an Enrollee. non-Null value indicates configurator had
+     *        previously configured an enrollee.
+     * @return Return the Private EC key when securityAkm is DPP and privEcKey was Null.
+     *         Otherwise return Null.
      * @throws ServiceSpecificException with one of the following values:
      *         |SupplicantStatusCode.FAILURE_ARGS_INVALID|,
      *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
      *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|
      */
-    void startDppConfiguratorInitiator(in int peerBootstrapId, in int ownBootstrapId,
+    byte[] startDppConfiguratorInitiator(in int peerBootstrapId, in int ownBootstrapId,
             in String ssid, in String password, in String psk, in DppNetRole netRole,
-            in DppAkm securityAkm);
+            in DppAkm securityAkm, in byte[] privEcKey);
 
     /**
      * Start DPP in Enrollee-Initiator mode.
diff --git a/wifi/supplicant/aidl/android/hardware/wifi/supplicant/ISupplicantStaIfaceCallback.aidl b/wifi/supplicant/aidl/android/hardware/wifi/supplicant/ISupplicantStaIfaceCallback.aidl
index ca63f5c..369d0da 100644
--- a/wifi/supplicant/aidl/android/hardware/wifi/supplicant/ISupplicantStaIfaceCallback.aidl
+++ b/wifi/supplicant/aidl/android/hardware/wifi/supplicant/ISupplicantStaIfaceCallback.aidl
@@ -21,6 +21,7 @@
 import android.hardware.wifi.supplicant.BssTmData;
 import android.hardware.wifi.supplicant.BssidChangeReason;
 import android.hardware.wifi.supplicant.DppAkm;
+import android.hardware.wifi.supplicant.DppConnectionKeys;
 import android.hardware.wifi.supplicant.DppEventType;
 import android.hardware.wifi.supplicant.DppFailureCode;
 import android.hardware.wifi.supplicant.DppProgressCode;
@@ -128,10 +129,12 @@
     oneway void onDppSuccess(in DppEventType event);
 
     /**
-     * Indicates DPP configuration received success event (Enrolee mode).
+     * Indicates DPP configuration received success event in Enrolee mode.
+     * This is also triggered when Configurator generates credentials for itself
+     * using generateSelfDppConfiguration() API
      */
-    oneway void onDppSuccessConfigReceived(
-            in byte[] ssid, in String password, in byte[] psk, in DppAkm securityAkm);
+    oneway void onDppSuccessConfigReceived(in byte[] ssid, in String password, in byte[] psk,
+            in DppAkm securityAkm, in DppConnectionKeys dppConnectionKeys);
 
     /**
      * Indicates DPP configuration sent success event (Configurator mode).
diff --git a/wifi/supplicant/aidl/android/hardware/wifi/supplicant/ISupplicantStaNetwork.aidl b/wifi/supplicant/aidl/android/hardware/wifi/supplicant/ISupplicantStaNetwork.aidl
index 1a2087d..267f1e8 100644
--- a/wifi/supplicant/aidl/android/hardware/wifi/supplicant/ISupplicantStaNetwork.aidl
+++ b/wifi/supplicant/aidl/android/hardware/wifi/supplicant/ISupplicantStaNetwork.aidl
@@ -17,6 +17,7 @@
 package android.hardware.wifi.supplicant;
 
 import android.hardware.wifi.supplicant.AuthAlgMask;
+import android.hardware.wifi.supplicant.DppConnectionKeys;
 import android.hardware.wifi.supplicant.EapMethod;
 import android.hardware.wifi.supplicant.EapPhase2Method;
 import android.hardware.wifi.supplicant.GroupCipherMask;
@@ -639,6 +640,18 @@
     void setBssid(in byte[] bssid);
 
     /**
+     * Set DPP keys for network which supports DPP AKM.
+     *
+     * @param keys connection keys needed to make DPP
+     * AKM based network connection.
+     * @throws ServiceSpecificException with one of the following values:
+     *         |SupplicantStatusCode.FAILURE_ARGS_INVALID|,
+     *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+     *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|
+     */
+    void setDppKeys(in DppConnectionKeys keys);
+
+    /**
      * Set EAP Alt subject match for this network.
      *
      * @param match value to set.
diff --git a/drm/aidl/android/hardware/drm/DecryptResult.aidl b/wifi/supplicant/aidl/android/hardware/wifi/supplicant/MloLink.aidl
similarity index 61%
rename from drm/aidl/android/hardware/drm/DecryptResult.aidl
rename to wifi/supplicant/aidl/android/hardware/wifi/supplicant/MloLink.aidl
index 17e939b..0e23728 100644
--- a/drm/aidl/android/hardware/drm/DecryptResult.aidl
+++ b/wifi/supplicant/aidl/android/hardware/wifi/supplicant/MloLink.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.
@@ -14,20 +14,20 @@
  * limitations under the License.
  */
 
-package android.hardware.drm;
+package android.hardware.wifi.supplicant;
 
 /**
- * The DecryptResult parcelable contains the result of
- * ICryptoPlugin decrypt method.
+ * Multi-Link Operation (MLO) Link IEEE Std 802.11-be.
+ * The information for MLO link needed by 802.11be standard.
  */
 @VintfStability
-parcelable DecryptResult {
-    /** The number of decrypted bytes. */
-    int bytesWritten;
-
+parcelable MloLink {
     /**
-     * Vendor-specific error message if provided by the vendor's
-     * crypto HAL.
+     * Link ID
      */
-    String detailedError;
+    byte linkId;
+    /**
+     * STA Link MAC Address
+     */
+    byte[/* 6 */] staLinkMacAddress;
 }
diff --git a/bluetooth/audio/aidl/android/hardware/bluetooth/audio/LeAudioMode.aidl b/wifi/supplicant/aidl/android/hardware/wifi/supplicant/MloLinksInfo.aidl
similarity index 62%
rename from bluetooth/audio/aidl/android/hardware/bluetooth/audio/LeAudioMode.aidl
rename to wifi/supplicant/aidl/android/hardware/wifi/supplicant/MloLinksInfo.aidl
index 2cf019e..2f14717 100644
--- a/bluetooth/audio/aidl/android/hardware/bluetooth/audio/LeAudioMode.aidl
+++ b/wifi/supplicant/aidl/android/hardware/wifi/supplicant/MloLinksInfo.aidl
@@ -1,5 +1,5 @@
 /*
- * Copyright 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.
@@ -14,12 +14,18 @@
  * limitations under the License.
  */
 
-package android.hardware.bluetooth.audio;
+package android.hardware.wifi.supplicant;
 
+import android.hardware.wifi.supplicant.MloLink;
+
+/**
+ * Multi-Link Operation (MLO) Links info.
+ * The information for MLO links needed by 802.11be standard.
+ */
 @VintfStability
-@Backing(type="byte")
-enum LeAudioMode {
-    UNKNOWN,
-    UNICAST,
-    BROADCAST,
+parcelable MloLinksInfo {
+    /**
+     * List of MLO links
+     */
+    MloLink[] links;
 }
diff --git a/wifi/supplicant/aidl/vts/functional/supplicant_sta_iface_aidl_test.cpp b/wifi/supplicant/aidl/vts/functional/supplicant_sta_iface_aidl_test.cpp
index c163864..fdafe08 100644
--- a/wifi/supplicant/aidl/vts/functional/supplicant_sta_iface_aidl_test.cpp
+++ b/wifi/supplicant/aidl/vts/functional/supplicant_sta_iface_aidl_test.cpp
@@ -33,6 +33,7 @@
 using aidl::android::hardware::wifi::supplicant::ConnectionCapabilities;
 using aidl::android::hardware::wifi::supplicant::DebugLevel;
 using aidl::android::hardware::wifi::supplicant::DppAkm;
+using aidl::android::hardware::wifi::supplicant::DppConnectionKeys;
 using aidl::android::hardware::wifi::supplicant::DppCurve;
 using aidl::android::hardware::wifi::supplicant::DppNetRole;
 using aidl::android::hardware::wifi::supplicant::DppResponderBootstrapInfo;
@@ -112,11 +113,11 @@
         return ndk::ScopedAStatus::ok();
     }
     ::ndk::ScopedAStatus onDppSuccessConfigReceived(
-        const std::vector<uint8_t>& /* ssid */,
-        const std::string& /* password */,
-        const std::vector<uint8_t>& /* psk */,
-        ::aidl::android::hardware::wifi::supplicant::DppAkm /* securityAkm */)
-        override {
+            const std::vector<uint8_t>& /* ssid */, const std::string& /* password */,
+            const std::vector<uint8_t>& /* psk */,
+            ::aidl::android::hardware::wifi::supplicant::DppAkm /* securityAkm */,
+            const ::aidl::android::hardware::wifi::supplicant::
+                    DppConnectionKeys& /* DppConnectionKeys */) override {
         return ndk::ScopedAStatus::ok();
     }
     ::ndk::ScopedAStatus onDppSuccessConfigSent() override {
@@ -755,14 +756,16 @@
         "6D795F746573745F73736964";  // 'my_test_ssid' encoded in hex
     const std::string password =
         "746F70736563726574";  // 'topsecret' encoded in hex
+    const std::vector<uint8_t> eckey_in = {0x2, 0x3, 0x4};
+    std::vector<uint8_t> eckey_out = {};
 
     // Start DPP as Configurator-Initiator. Since this operation requires two
     // devices, we start the operation and expect a timeout.
     EXPECT_TRUE(sta_iface_
-                    ->startDppConfiguratorInitiator(peer_id, 0, ssid, password,
-                                                    "", DppNetRole::STA,
-                                                    DppAkm::PSK)
-                    .isOk());
+                        ->startDppConfiguratorInitiator(peer_id, 0, ssid, password, "",
+                                                        DppNetRole::STA, DppAkm::PSK, eckey_in,
+                                                        &eckey_out)
+                        .isOk());
 
     // Wait for the timeout callback
     ASSERT_EQ(std::cv_status::no_timeout,