Merge "Added ADAPTIVE_CRUISE_CONTROL_LEAD_VEHICLE_MEASURED_DISTANCE to HAL." into udc-dev
diff --git a/audio/aidl/Android.bp b/audio/aidl/Android.bp
index e6b0cee..bb48ecd 100644
--- a/audio/aidl/Android.bp
+++ b/audio/aidl/Android.bp
@@ -36,12 +36,13 @@
         "android.hardware.audio_defaults",
     ],
     srcs: [
+        "android/hardware/audio/common/AudioOffloadMetadata.aidl",
         "android/hardware/audio/common/PlaybackTrackMetadata.aidl",
         "android/hardware/audio/common/RecordTrackMetadata.aidl",
         "android/hardware/audio/common/SinkMetadata.aidl",
         "android/hardware/audio/common/SourceMetadata.aidl",
     ],
-    frozen: true,
+    frozen: false,
     imports: [
         "android.media.audio.common.types-V2",
     ],
@@ -77,7 +78,7 @@
 }
 
 // Note: This should always be one version ahead of the last frozen version
-latest_android_hardware_audio_common = "android.hardware.audio.common-V1"
+latest_android_hardware_audio_common = "android.hardware.audio.common-V2"
 
 // Modules that depend on android.hardware.audio.common directly can include
 // the following cc_defaults to avoid explicitly managing dependency versions
@@ -112,6 +113,7 @@
         "android/hardware/audio/core/AudioPatch.aidl",
         "android/hardware/audio/core/AudioRoute.aidl",
         "android/hardware/audio/core/IBluetooth.aidl",
+        "android/hardware/audio/core/IBluetoothA2dp.aidl",
         "android/hardware/audio/core/IConfig.aidl",
         "android/hardware/audio/core/IModule.aidl",
         "android/hardware/audio/core/IStreamCallback.aidl",
@@ -129,7 +131,7 @@
     imports: [
         "android.hardware.common-V2",
         "android.hardware.common.fmq-V1",
-        "android.hardware.audio.common-V1",
+        "android.hardware.audio.common-V2",
         "android.hardware.audio.core.sounddose-V1",
         "android.hardware.audio.effect-V1",
         "android.media.audio.common.types-V2",
@@ -253,7 +255,7 @@
     imports: [
         "android.hardware.common-V2",
         "android.hardware.common.fmq-V1",
-        "android.hardware.audio.common-V1",
+        "android.hardware.audio.common-V2",
         "android.media.audio.common.types-V2",
     ],
     backend: {
diff --git a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/WifiRadioCombinationMatrix.aidl b/audio/aidl/aidl_api/android.hardware.audio.common/current/android/hardware/audio/common/AudioOffloadMetadata.aidl
similarity index 82%
copy from wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/WifiRadioCombinationMatrix.aidl
copy to audio/aidl/aidl_api/android.hardware.audio.common/current/android/hardware/audio/common/AudioOffloadMetadata.aidl
index ea86c4f..000504b 100644
--- a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/WifiRadioCombinationMatrix.aidl
+++ b/audio/aidl/aidl_api/android.hardware.audio.common/current/android/hardware/audio/common/AudioOffloadMetadata.aidl
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2022 The Android Open Source Project
+ * Copyright (C) 2023 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.
@@ -31,8 +31,12 @@
 // 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.wifi;
-@VintfStability
-parcelable WifiRadioCombinationMatrix {
-  android.hardware.wifi.WifiRadioCombination[] radioCombinations;
+package android.hardware.audio.common;
+@JavaDerive(equals=true, toString=true) @VintfStability
+parcelable AudioOffloadMetadata {
+  int sampleRate;
+  android.media.audio.common.AudioChannelLayout channelMask;
+  int averageBitRatePerSecond;
+  int delayFrames;
+  int paddingFrames;
 }
diff --git a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/WifiRadioCombinationMatrix.aidl b/audio/aidl/aidl_api/android.hardware.audio.core/current/android/hardware/audio/core/IBluetoothA2dp.aidl
similarity index 83%
copy from wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/WifiRadioCombinationMatrix.aidl
copy to audio/aidl/aidl_api/android.hardware.audio.core/current/android/hardware/audio/core/IBluetoothA2dp.aidl
index ea86c4f..0f4c46d 100644
--- a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/WifiRadioCombinationMatrix.aidl
+++ b/audio/aidl/aidl_api/android.hardware.audio.core/current/android/hardware/audio/core/IBluetoothA2dp.aidl
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2022 The Android Open Source Project
+ * Copyright (C) 2023 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.
@@ -31,8 +31,11 @@
 // 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.wifi;
+package android.hardware.audio.core;
 @VintfStability
-parcelable WifiRadioCombinationMatrix {
-  android.hardware.wifi.WifiRadioCombination[] radioCombinations;
+interface IBluetoothA2dp {
+  boolean isEnabled();
+  void setEnabled(boolean enabled);
+  boolean supportsOffloadReconfiguration();
+  void reconfigureOffload(in android.hardware.audio.core.VendorParameter[] parameters);
 }
diff --git a/audio/aidl/aidl_api/android.hardware.audio.core/current/android/hardware/audio/core/IModule.aidl b/audio/aidl/aidl_api/android.hardware.audio.core/current/android/hardware/audio/core/IModule.aidl
index 1eafdab..f18d6a5 100644
--- a/audio/aidl/aidl_api/android.hardware.audio.core/current/android/hardware/audio/core/IModule.aidl
+++ b/audio/aidl/aidl_api/android.hardware.audio.core/current/android/hardware/audio/core/IModule.aidl
@@ -37,6 +37,7 @@
   void setModuleDebug(in android.hardware.audio.core.ModuleDebug debug);
   @nullable android.hardware.audio.core.ITelephony getTelephony();
   @nullable android.hardware.audio.core.IBluetooth getBluetooth();
+  @nullable android.hardware.audio.core.IBluetoothA2dp getBluetoothA2dp();
   android.media.audio.common.AudioPort connectExternalDevice(in android.media.audio.common.AudioPort templateIdAndAdditionalData);
   void disconnectExternalDevice(int portId);
   android.hardware.audio.core.AudioPatch[] getAudioPatches();
diff --git a/audio/aidl/aidl_api/android.hardware.audio.core/current/android/hardware/audio/core/IStreamCommon.aidl b/audio/aidl/aidl_api/android.hardware.audio.core/current/android/hardware/audio/core/IStreamCommon.aidl
index f0bf100..65a2ee4 100644
--- a/audio/aidl/aidl_api/android.hardware.audio.core/current/android/hardware/audio/core/IStreamCommon.aidl
+++ b/audio/aidl/aidl_api/android.hardware.audio.core/current/android/hardware/audio/core/IStreamCommon.aidl
@@ -35,6 +35,7 @@
 @VintfStability
 interface IStreamCommon {
   void close();
+  void prepareToClose();
   void updateHwAvSyncId(int hwAvSyncId);
   android.hardware.audio.core.VendorParameter[] getVendorParameters(in @utf8InCpp String[] ids);
   void setVendorParameters(in android.hardware.audio.core.VendorParameter[] parameters, boolean async);
diff --git a/audio/aidl/aidl_api/android.hardware.audio.core/current/android/hardware/audio/core/IStreamOut.aidl b/audio/aidl/aidl_api/android.hardware.audio.core/current/android/hardware/audio/core/IStreamOut.aidl
index 46acc11..ec3078e 100644
--- a/audio/aidl/aidl_api/android.hardware.audio.core/current/android/hardware/audio/core/IStreamOut.aidl
+++ b/audio/aidl/aidl_api/android.hardware.audio.core/current/android/hardware/audio/core/IStreamOut.aidl
@@ -36,6 +36,7 @@
 interface IStreamOut {
   android.hardware.audio.core.IStreamCommon getStreamCommon();
   void updateMetadata(in android.hardware.audio.common.SourceMetadata sourceMetadata);
+  void updateOffloadMetadata(in android.hardware.audio.common.AudioOffloadMetadata offloadMetadata);
   float[] getHwVolume();
   void setHwVolume(in float[] channelVolumes);
   float getAudioDescriptionMixLevel();
diff --git a/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/AcousticEchoCanceler.aidl b/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/AcousticEchoCanceler.aidl
index 1ec7dad..16367c0 100644
--- a/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/AcousticEchoCanceler.aidl
+++ b/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/AcousticEchoCanceler.aidl
@@ -39,7 +39,7 @@
   boolean mobileMode;
   @VintfStability
   union Id {
-    int vendorExtensionTag;
+    android.hardware.audio.effect.VendorExtension vendorExtensionTag;
     android.hardware.audio.effect.AcousticEchoCanceler.Tag commonTag;
   }
 }
diff --git a/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/AutomaticGainControlV1.aidl b/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/AutomaticGainControlV1.aidl
index 57d4418..e69e2bd 100644
--- a/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/AutomaticGainControlV1.aidl
+++ b/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/AutomaticGainControlV1.aidl
@@ -40,7 +40,7 @@
   boolean enableLimiter;
   @VintfStability
   union Id {
-    int vendorExtensionTag;
+    android.hardware.audio.effect.VendorExtension vendorExtensionTag;
     android.hardware.audio.effect.AutomaticGainControlV1.Tag commonTag;
   }
 }
diff --git a/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/AutomaticGainControlV2.aidl b/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/AutomaticGainControlV2.aidl
index bdb481c..46ffcaf 100644
--- a/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/AutomaticGainControlV2.aidl
+++ b/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/AutomaticGainControlV2.aidl
@@ -40,7 +40,7 @@
   int saturationMarginMb;
   @VintfStability
   union Id {
-    int vendorExtensionTag;
+    android.hardware.audio.effect.VendorExtension vendorExtensionTag;
     android.hardware.audio.effect.AutomaticGainControlV2.Tag commonTag;
   }
   @Backing(type="int") @VintfStability
diff --git a/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/BassBoost.aidl b/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/BassBoost.aidl
index d09fe54..c248ce8 100644
--- a/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/BassBoost.aidl
+++ b/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/BassBoost.aidl
@@ -38,7 +38,7 @@
   int strengthPm;
   @VintfStability
   union Id {
-    int vendorExtensionTag;
+    android.hardware.audio.effect.VendorExtension vendorExtensionTag;
     android.hardware.audio.effect.BassBoost.Tag commonTag;
   }
 }
diff --git a/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/Downmix.aidl b/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/Downmix.aidl
index 45a1f28..ce0a7df 100644
--- a/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/Downmix.aidl
+++ b/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/Downmix.aidl
@@ -38,7 +38,7 @@
   android.hardware.audio.effect.Downmix.Type type;
   @VintfStability
   union Id {
-    int vendorExtensionTag;
+    android.hardware.audio.effect.VendorExtension vendorExtensionTag;
     android.hardware.audio.effect.Downmix.Tag commonTag;
   }
   @VintfStability
diff --git a/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/DynamicsProcessing.aidl b/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/DynamicsProcessing.aidl
index 3e20e33..04f627d 100644
--- a/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/DynamicsProcessing.aidl
+++ b/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/DynamicsProcessing.aidl
@@ -34,7 +34,7 @@
 package android.hardware.audio.effect;
 @VintfStability
 union DynamicsProcessing {
-  android.hardware.audio.effect.VendorExtension vendorExtension;
+  android.hardware.audio.effect.VendorExtension vendor;
   android.hardware.audio.effect.DynamicsProcessing.EngineArchitecture engineArchitecture;
   android.hardware.audio.effect.DynamicsProcessing.ChannelConfig[] preEq;
   android.hardware.audio.effect.DynamicsProcessing.ChannelConfig[] postEq;
@@ -46,7 +46,7 @@
   android.hardware.audio.effect.DynamicsProcessing.InputGain[] inputGain;
   @VintfStability
   union Id {
-    int vendorExtensionTag;
+    android.hardware.audio.effect.VendorExtension vendorExtensionTag;
     android.hardware.audio.effect.DynamicsProcessing.Tag commonTag;
   }
   enum ResolutionPreference {
diff --git a/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/EnvironmentalReverb.aidl b/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/EnvironmentalReverb.aidl
index c12ebb8..00b7d1a 100644
--- a/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/EnvironmentalReverb.aidl
+++ b/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/EnvironmentalReverb.aidl
@@ -48,7 +48,7 @@
   boolean bypass;
   @VintfStability
   union Id {
-    int vendorExtensionTag;
+    android.hardware.audio.effect.VendorExtension vendorExtensionTag;
     android.hardware.audio.effect.EnvironmentalReverb.Tag commonTag;
   }
 }
diff --git a/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/Equalizer.aidl b/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/Equalizer.aidl
index 3e3539f..80f7c7e 100644
--- a/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/Equalizer.aidl
+++ b/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/Equalizer.aidl
@@ -34,7 +34,7 @@
 package android.hardware.audio.effect;
 @VintfStability
 union Equalizer {
-  android.hardware.audio.effect.VendorExtension vendorExtension;
+  android.hardware.audio.effect.VendorExtension vendor;
   android.hardware.audio.effect.Equalizer.BandLevel[] bandLevels;
   int preset;
   int[] centerFreqMh;
@@ -42,7 +42,7 @@
   android.hardware.audio.effect.Equalizer.Preset[] presets;
   @VintfStability
   union Id {
-    int vendorExtensionTag;
+    android.hardware.audio.effect.VendorExtension vendorExtensionTag;
     android.hardware.audio.effect.Equalizer.Tag commonTag;
   }
   @VintfStability
diff --git a/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/HapticGenerator.aidl b/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/HapticGenerator.aidl
index a7dc265..8addab7 100644
--- a/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/HapticGenerator.aidl
+++ b/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/HapticGenerator.aidl
@@ -34,12 +34,12 @@
 package android.hardware.audio.effect;
 @VintfStability
 union HapticGenerator {
-  android.hardware.audio.effect.VendorExtension vendorExtension;
+  android.hardware.audio.effect.VendorExtension vendor;
   android.hardware.audio.effect.HapticGenerator.HapticScale[] hapticScales;
   android.hardware.audio.effect.HapticGenerator.VibratorInformation vibratorInfo;
   @VintfStability
   union Id {
-    int vendorExtensionTag;
+    android.hardware.audio.effect.VendorExtension vendorExtensionTag;
     android.hardware.audio.effect.HapticGenerator.Tag commonTag;
   }
   @Backing(type="int") @VintfStability
diff --git a/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/LoudnessEnhancer.aidl b/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/LoudnessEnhancer.aidl
index 774f45f..fc276d6 100644
--- a/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/LoudnessEnhancer.aidl
+++ b/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/LoudnessEnhancer.aidl
@@ -38,7 +38,7 @@
   int gainMb;
   @VintfStability
   union Id {
-    int vendorExtensionTag;
+    android.hardware.audio.effect.VendorExtension vendorExtensionTag;
     android.hardware.audio.effect.LoudnessEnhancer.Tag commonTag;
   }
 }
diff --git a/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/NoiseSuppression.aidl b/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/NoiseSuppression.aidl
index f1a3449..7f30fe2 100644
--- a/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/NoiseSuppression.aidl
+++ b/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/NoiseSuppression.aidl
@@ -39,7 +39,7 @@
   android.hardware.audio.effect.NoiseSuppression.Type type;
   @VintfStability
   union Id {
-    int vendorExtensionTag;
+    android.hardware.audio.effect.VendorExtension vendorExtensionTag;
     android.hardware.audio.effect.NoiseSuppression.Tag commonTag;
   }
   @Backing(type="int") @VintfStability
diff --git a/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/Parameter.aidl b/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/Parameter.aidl
index 14aa1e8..b50a2f1 100644
--- a/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/Parameter.aidl
+++ b/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/Parameter.aidl
@@ -42,7 +42,7 @@
   android.hardware.audio.effect.Parameter.Specific specific;
   @VintfStability
   union Id {
-    int vendorEffectTag;
+    android.hardware.audio.effect.VendorExtension vendorEffectTag;
     android.hardware.audio.effect.AcousticEchoCanceler.Id acousticEchoCancelerTag;
     android.hardware.audio.effect.AutomaticGainControlV1.Id automaticGainControlV1Tag;
     android.hardware.audio.effect.AutomaticGainControlV2.Id automaticGainControlV2Tag;
diff --git a/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/PresetReverb.aidl b/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/PresetReverb.aidl
index 148f79d..26d96b5 100644
--- a/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/PresetReverb.aidl
+++ b/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/PresetReverb.aidl
@@ -49,7 +49,7 @@
   }
   @VintfStability
   union Id {
-    int vendorExtensionTag;
+    android.hardware.audio.effect.VendorExtension vendorExtensionTag;
     android.hardware.audio.effect.PresetReverb.Tag commonTag;
   }
 }
diff --git a/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/Virtualizer.aidl b/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/Virtualizer.aidl
index e9611e4..6092b14 100644
--- a/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/Virtualizer.aidl
+++ b/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/Virtualizer.aidl
@@ -40,7 +40,7 @@
   android.media.audio.common.AudioDeviceDescription device;
   @VintfStability
   union Id {
-    int vendorExtensionTag;
+    android.hardware.audio.effect.VendorExtension vendorExtensionTag;
     android.hardware.audio.effect.Virtualizer.Tag commonTag;
     android.hardware.audio.effect.Virtualizer.SpeakerAnglesPayload speakerAnglesPayload;
   }
diff --git a/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/Visualizer.aidl b/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/Visualizer.aidl
index d1b1b3e..7d319da 100644
--- a/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/Visualizer.aidl
+++ b/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/Visualizer.aidl
@@ -44,7 +44,7 @@
   android.hardware.audio.effect.Visualizer.MeasurementMode measurementMode;
   @VintfStability
   union Id {
-    int vendorExtensionTag;
+    android.hardware.audio.effect.VendorExtension vendorExtensionTag;
     android.hardware.audio.effect.Visualizer.Tag commonTag;
   }
   @VintfStability
diff --git a/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/Volume.aidl b/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/Volume.aidl
index c2b2df7..8227118 100644
--- a/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/Volume.aidl
+++ b/audio/aidl/aidl_api/android.hardware.audio.effect/current/android/hardware/audio/effect/Volume.aidl
@@ -39,7 +39,7 @@
   boolean mute;
   @VintfStability
   union Id {
-    int vendorExtensionTag;
+    android.hardware.audio.effect.VendorExtension vendorExtensionTag;
     android.hardware.audio.effect.Volume.Tag commonTag;
   }
 }
diff --git a/audio/aidl/android/hardware/audio/common/AudioOffloadMetadata.aidl b/audio/aidl/android/hardware/audio/common/AudioOffloadMetadata.aidl
new file mode 100644
index 0000000..5881658
--- /dev/null
+++ b/audio/aidl/android/hardware/audio/common/AudioOffloadMetadata.aidl
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.audio.common;
+
+import android.media.audio.common.AudioChannelLayout;
+
+/**
+ * Dynamic metadata for offloaded compressed audio.
+ * For static metadata, see android.media.audio.common.AudioOffloadInfo.
+ */
+@JavaDerive(equals=true, toString=true)
+@VintfStability
+parcelable AudioOffloadMetadata {
+    int sampleRate;
+    AudioChannelLayout channelMask;
+    /** Average bit rate in bits per second. */
+    int averageBitRatePerSecond;
+    /**
+     * Number of frames to be ignored at the beginning of the stream.
+     * The value must be non-negative. A value of 0 indicates no delay
+     * has to be applied.
+     */
+    int delayFrames;
+    /**
+     * Number of frames to be ignored at the end of the stream.
+     * The value must be non-negative. A value of 0 indicates no padding
+     * has to be applied.
+     */
+    int paddingFrames;
+}
diff --git a/audio/aidl/android/hardware/audio/core/IBluetoothA2dp.aidl b/audio/aidl/android/hardware/audio/core/IBluetoothA2dp.aidl
new file mode 100644
index 0000000..dc4b8d0
--- /dev/null
+++ b/audio/aidl/android/hardware/audio/core/IBluetoothA2dp.aidl
@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.audio.core;
+
+import android.hardware.audio.core.VendorParameter;
+
+/**
+ * An instance of IBluetoothA2dp manages settings for the A2DP (Advanced Audio
+ * Distribution Profile) profiles. This interface is optional to implement by
+ * the vendor. It needs to be provided only if the device actually supports BT
+ * A2DP.
+ *
+ * This interface is separate from IBluetooth interface which manages SCO & HFP.
+ * The HAL module can handle both SCO and A2DP profiles or only one of them.
+ */
+@VintfStability
+interface IBluetoothA2dp {
+    /**
+     * Whether BT A2DP is enabled.
+     *
+     * Returns the current state of A2DP support. The client might need to
+     * disable (suspend) A2DP when another profile (for example, SCO) is
+     * activated.
+     *
+     * @return Whether BT A2DP is enabled.
+     */
+    boolean isEnabled();
+
+    /**
+     * Enable or disable A2DP.
+     *
+     * Sets the current state of A2DP support. The client might need to
+     * disable (suspend) A2DP when another profile (for example, SCO) is
+     * activated.
+     *
+     * @param enabled Whether BT A2DP must be enabled or suspended.
+     * @throws EX_ILLEGAL_STATE If there was an error performing the operation.
+     */
+    void setEnabled(boolean enabled);
+
+    /**
+     * Indicates whether the module supports reconfiguration of offloaded codecs.
+     *
+     * Offloaded coded implementations may need to be reconfigured when the
+     * active A2DP device changes. This method indicates whether the HAL module
+     * supports the reconfiguration event. The result returned from this method
+     * must not change over time.
+     *
+     * @return Whether reconfiguration offload of offloaded codecs is supported.
+     */
+    boolean supportsOffloadReconfiguration();
+
+    /**
+     * Instructs the HAL module to reconfigure offloaded codec.
+     *
+     * Offloaded coded implementations may need to be reconfigured when the
+     * active A2DP device changes. This method is a notification for the HAL
+     * module to commence reconfiguration.
+     *
+     * Note that 'EX_UNSUPPORTED_OPERATION' may only be thrown when
+     * 'supportsOffloadReconfiguration' returns 'false'.
+     *
+     * @param parameter Optional vendor-specific parameters, can be left empty.
+     * @throws EX_ILLEGAL_STATE If there was an error performing the operation,
+     *                          or the operation can not be commenced in the current state.
+     * @throws EX_UNSUPPORTED_OPERATION If the module does not support codec reconfiguration.
+     */
+    void reconfigureOffload(in VendorParameter[] parameters);
+}
diff --git a/audio/aidl/android/hardware/audio/core/IModule.aidl b/audio/aidl/android/hardware/audio/core/IModule.aidl
index edfb9f2..080d826 100644
--- a/audio/aidl/android/hardware/audio/core/IModule.aidl
+++ b/audio/aidl/android/hardware/audio/core/IModule.aidl
@@ -21,6 +21,7 @@
 import android.hardware.audio.core.AudioPatch;
 import android.hardware.audio.core.AudioRoute;
 import android.hardware.audio.core.IBluetooth;
+import android.hardware.audio.core.IBluetoothA2dp;
 import android.hardware.audio.core.IStreamCallback;
 import android.hardware.audio.core.IStreamIn;
 import android.hardware.audio.core.IStreamOut;
@@ -103,6 +104,20 @@
     @nullable IBluetooth getBluetooth();
 
     /**
+     * Retrieve the interface to control Bluetooth A2DP.
+     *
+     * If the HAL module supports A2DP Profile functionality for Bluetooth, it
+     * must return an instance of the IBluetoothA2dp interface. The same
+     * instance must be returned during the lifetime of the HAL module. If the
+     * HAL module does not support BT A2DP, a null must be returned, without
+     * throwing any errors.
+     *
+     * @return An instance of the IBluetoothA2dp interface implementation.
+     * @throws EX_ILLEGAL_STATE If there was an error creating an instance.
+     */
+    @nullable IBluetoothA2dp getBluetoothA2dp();
+
+    /**
      * Set a device port of an external device into connected state.
      *
      * This method is used to inform the HAL module that an external device has
@@ -596,6 +611,7 @@
      * @param mute Whether the output from the module is muted.
      * @throws EX_UNSUPPORTED_OPERATION If muting of combined output
      *                                  is not supported by the module.
+     * @throws EX_ILLEGAL_STATE If any error happens while muting of combined output.
      */
     void setMasterMute(boolean mute);
 
@@ -627,6 +643,8 @@
      *                             accepted range.
      * @throws EX_UNSUPPORTED_OPERATION If attenuation of combined output
      *                                  is not supported by the module.
+     * @throws EX_ILLEGAL_STATE If any error happens while updating attenuation of
+                                combined output.
      */
     void setMasterVolume(float volume);
 
diff --git a/audio/aidl/android/hardware/audio/core/IStreamCommon.aidl b/audio/aidl/android/hardware/audio/core/IStreamCommon.aidl
index 533ef67..543d9e2 100644
--- a/audio/aidl/android/hardware/audio/core/IStreamCommon.aidl
+++ b/audio/aidl/android/hardware/audio/core/IStreamCommon.aidl
@@ -44,6 +44,33 @@
     void close();
 
     /**
+     * Notify the stream that it is about to be closed.
+     *
+     * This is a notification sent by the client to indicate that it intends to
+     * close the stream "soon" (the actual time period is unspecified). The
+     * purpose of this notification is to allow the stream implementation to
+     * unblock the I/O thread. This is useful for HAL modules that act as
+     * proxies to other subsystems, examples are "bluetooth" and "r_submix"
+     * modules. In such modules the I/O thread might get blocked on a read or
+     * write operation to the external subsystem. Thus, calling 'close' directly
+     * will stall, as it will try to send the 'Command.halReservedExit' on the
+     * I/O thread which is blocked and is not reading commands from the FMQ. The
+     * HAL implementation must initiate unblocking as a result of receiving the
+     * 'prepareToClose' notification.
+     *
+     * This operation must be handled by the HAL module in an "asynchronous"
+     * manner, returning control back as quick as possible.
+     *
+     * Since this operation does not have any effects observable from the client
+     * side, the HAL module must be able to handle multiple calls of this method
+     * without throwing any errors. The only case when this method is allowed
+     * to throw is when the stream has been closed.
+     *
+     * @throws EX_ILLEGAL_STATE If the stream is closed.
+     */
+    void prepareToClose();
+
+    /**
      * Update the HW AV Sync identifier for the stream.
      *
      * The argument to this method must be one of the identifiers previously
diff --git a/audio/aidl/android/hardware/audio/core/IStreamOut.aidl b/audio/aidl/android/hardware/audio/core/IStreamOut.aidl
index 0e58add..f26dc1c 100644
--- a/audio/aidl/android/hardware/audio/core/IStreamOut.aidl
+++ b/audio/aidl/android/hardware/audio/core/IStreamOut.aidl
@@ -16,6 +16,7 @@
 
 package android.hardware.audio.core;
 
+import android.hardware.audio.common.AudioOffloadMetadata;
 import android.hardware.audio.common.SourceMetadata;
 import android.hardware.audio.core.IStreamCommon;
 import android.media.audio.common.AudioDualMonoMode;
@@ -48,6 +49,18 @@
      */
     void updateMetadata(in SourceMetadata sourceMetadata);
 
+    /**
+     * Update offload metadata for a compressed stream.
+     *
+     * Updates the offload metadata initially provided at the stream creation.
+     *
+     * @param offloadMetadata Updated offload metadata.
+     * @throws EX_ILLEGAL_STATE If the stream is closed.
+     * @throws EX_ILLEGAL_ARGUMENT If the metadata contains invalid values.
+     * @throws EX_UNSUPPORTED_OPERATION If the stream is not for compressed offload.
+     */
+    void updateOffloadMetadata(in AudioOffloadMetadata offloadMetadata);
+
     const int HW_VOLUME_MIN = 0;
     const int HW_VOLUME_MAX = 1;
     /**
@@ -85,7 +98,8 @@
      * @throws EX_ILLEGAL_ARGUMENT If the number of elements in the provided
      *                             array does not match the channel count, or
      *                             attenuation values are out of range.
-     * @throws EX_ILLEGAL_STATE If the stream is closed.
+     * @throws EX_ILLEGAL_STATE If the stream is closed or there is any error happens
+                                when applying hardware volume.
      * @throws EX_UNSUPPORTED_OPERATION If hardware volume control is not supported.
      */
     void setHwVolume(in float[] channelVolumes);
diff --git a/audio/aidl/android/hardware/audio/effect/AcousticEchoCanceler.aidl b/audio/aidl/android/hardware/audio/effect/AcousticEchoCanceler.aidl
index 49377d6..bf1f8a2 100644
--- a/audio/aidl/android/hardware/audio/effect/AcousticEchoCanceler.aidl
+++ b/audio/aidl/android/hardware/audio/effect/AcousticEchoCanceler.aidl
@@ -33,7 +33,7 @@
      */
     @VintfStability
     union Id {
-        int vendorExtensionTag;
+        VendorExtension vendorExtensionTag;
         AcousticEchoCanceler.Tag commonTag;
     }
 
diff --git a/audio/aidl/android/hardware/audio/effect/AutomaticGainControlV1.aidl b/audio/aidl/android/hardware/audio/effect/AutomaticGainControlV1.aidl
index 9b2feff..e7bf99d 100644
--- a/audio/aidl/android/hardware/audio/effect/AutomaticGainControlV1.aidl
+++ b/audio/aidl/android/hardware/audio/effect/AutomaticGainControlV1.aidl
@@ -35,7 +35,7 @@
      */
     @VintfStability
     union Id {
-        int vendorExtensionTag;
+        VendorExtension vendorExtensionTag;
         AutomaticGainControlV1.Tag commonTag;
     }
 
diff --git a/audio/aidl/android/hardware/audio/effect/AutomaticGainControlV2.aidl b/audio/aidl/android/hardware/audio/effect/AutomaticGainControlV2.aidl
index 836d6b8..8f2afdc 100644
--- a/audio/aidl/android/hardware/audio/effect/AutomaticGainControlV2.aidl
+++ b/audio/aidl/android/hardware/audio/effect/AutomaticGainControlV2.aidl
@@ -36,7 +36,7 @@
      */
     @VintfStability
     union Id {
-        int vendorExtensionTag;
+        VendorExtension vendorExtensionTag;
         AutomaticGainControlV2.Tag commonTag;
     }
 
diff --git a/audio/aidl/android/hardware/audio/effect/BassBoost.aidl b/audio/aidl/android/hardware/audio/effect/BassBoost.aidl
index d734825..479db96 100644
--- a/audio/aidl/android/hardware/audio/effect/BassBoost.aidl
+++ b/audio/aidl/android/hardware/audio/effect/BassBoost.aidl
@@ -32,7 +32,7 @@
      */
     @VintfStability
     union Id {
-        int vendorExtensionTag;
+        VendorExtension vendorExtensionTag;
         BassBoost.Tag commonTag;
     }
 
diff --git a/audio/aidl/android/hardware/audio/effect/Downmix.aidl b/audio/aidl/android/hardware/audio/effect/Downmix.aidl
index f90e339..90fd4c7 100644
--- a/audio/aidl/android/hardware/audio/effect/Downmix.aidl
+++ b/audio/aidl/android/hardware/audio/effect/Downmix.aidl
@@ -31,7 +31,7 @@
      */
     @VintfStability
     union Id {
-        int vendorExtensionTag;
+        VendorExtension vendorExtensionTag;
         Downmix.Tag commonTag;
     }
 
diff --git a/audio/aidl/android/hardware/audio/effect/DynamicsProcessing.aidl b/audio/aidl/android/hardware/audio/effect/DynamicsProcessing.aidl
index 486d4f4..5aea211 100644
--- a/audio/aidl/android/hardware/audio/effect/DynamicsProcessing.aidl
+++ b/audio/aidl/android/hardware/audio/effect/DynamicsProcessing.aidl
@@ -32,14 +32,14 @@
      */
     @VintfStability
     union Id {
-        int vendorExtensionTag;
+        VendorExtension vendorExtensionTag;
         DynamicsProcessing.Tag commonTag;
     }
 
     /**
      * Vendor DynamicsProcessing implementation definition for additional parameters.
      */
-    VendorExtension vendorExtension;
+    VendorExtension vendor;
 
     /**
      * Resolution preference definition.
diff --git a/audio/aidl/android/hardware/audio/effect/EnvironmentalReverb.aidl b/audio/aidl/android/hardware/audio/effect/EnvironmentalReverb.aidl
index 95d1ff6..1d58e50 100644
--- a/audio/aidl/android/hardware/audio/effect/EnvironmentalReverb.aidl
+++ b/audio/aidl/android/hardware/audio/effect/EnvironmentalReverb.aidl
@@ -33,7 +33,7 @@
      */
     @VintfStability
     union Id {
-        int vendorExtensionTag;
+        VendorExtension vendorExtensionTag;
         EnvironmentalReverb.Tag commonTag;
     }
 
diff --git a/audio/aidl/android/hardware/audio/effect/Equalizer.aidl b/audio/aidl/android/hardware/audio/effect/Equalizer.aidl
index 2bce151..e727f70 100644
--- a/audio/aidl/android/hardware/audio/effect/Equalizer.aidl
+++ b/audio/aidl/android/hardware/audio/effect/Equalizer.aidl
@@ -31,14 +31,14 @@
      */
     @VintfStability
     union Id {
-        int vendorExtensionTag;
+        VendorExtension vendorExtensionTag;
         Equalizer.Tag commonTag;
     }
 
     /**
      * Vendor Equalizer implementation definition for additional parameters.
      */
-    VendorExtension vendorExtension;
+    VendorExtension vendor;
 
     /**
      * Level setting for each band in millibels.
diff --git a/audio/aidl/android/hardware/audio/effect/HapticGenerator.aidl b/audio/aidl/android/hardware/audio/effect/HapticGenerator.aidl
index a8e4564..3cc5acb 100644
--- a/audio/aidl/android/hardware/audio/effect/HapticGenerator.aidl
+++ b/audio/aidl/android/hardware/audio/effect/HapticGenerator.aidl
@@ -33,14 +33,14 @@
      */
     @VintfStability
     union Id {
-        int vendorExtensionTag;
+        VendorExtension vendorExtensionTag;
         HapticGenerator.Tag commonTag;
     }
 
     /**
      * Vendor HapticGenerator implementation definition for additional parameters.
      */
-    VendorExtension vendorExtension;
+    VendorExtension vendor;
 
     @VintfStability
     @Backing(type="int")
diff --git a/audio/aidl/android/hardware/audio/effect/LoudnessEnhancer.aidl b/audio/aidl/android/hardware/audio/effect/LoudnessEnhancer.aidl
index a7cbe8d..23e1e5a 100644
--- a/audio/aidl/android/hardware/audio/effect/LoudnessEnhancer.aidl
+++ b/audio/aidl/android/hardware/audio/effect/LoudnessEnhancer.aidl
@@ -32,7 +32,7 @@
      */
     @VintfStability
     union Id {
-        int vendorExtensionTag;
+        VendorExtension vendorExtensionTag;
         LoudnessEnhancer.Tag commonTag;
     }
 
diff --git a/audio/aidl/android/hardware/audio/effect/NoiseSuppression.aidl b/audio/aidl/android/hardware/audio/effect/NoiseSuppression.aidl
index 6c2fb5f..c6bcc43 100644
--- a/audio/aidl/android/hardware/audio/effect/NoiseSuppression.aidl
+++ b/audio/aidl/android/hardware/audio/effect/NoiseSuppression.aidl
@@ -35,7 +35,7 @@
      */
     @VintfStability
     union Id {
-        int vendorExtensionTag;
+        VendorExtension vendorExtensionTag;
         NoiseSuppression.Tag commonTag;
     }
 
diff --git a/audio/aidl/android/hardware/audio/effect/Parameter.aidl b/audio/aidl/android/hardware/audio/effect/Parameter.aidl
index 9f8874b..229c621 100644
--- a/audio/aidl/android/hardware/audio/effect/Parameter.aidl
+++ b/audio/aidl/android/hardware/audio/effect/Parameter.aidl
@@ -66,10 +66,10 @@
     @VintfStability
     union Id {
         /**
-         * Parameter tag defined for vendor effects. Use int here so there is flexibility for vendor
-         * to define different tag.
+         * Parameter tag defined for vendor effects. Use VendorExtension here so it's possible to
+         * pass customized information.
          */
-        int vendorEffectTag;
+        VendorExtension vendorEffectTag;
         /**
          * Parameter tag defined for nested parameters. Can be used to get any parameter defined in
          * nested Union structure.
diff --git a/audio/aidl/android/hardware/audio/effect/PresetReverb.aidl b/audio/aidl/android/hardware/audio/effect/PresetReverb.aidl
index 87c78b0..a36da2c 100644
--- a/audio/aidl/android/hardware/audio/effect/PresetReverb.aidl
+++ b/audio/aidl/android/hardware/audio/effect/PresetReverb.aidl
@@ -68,7 +68,7 @@
      */
     @VintfStability
     union Id {
-        int vendorExtensionTag;
+        VendorExtension vendorExtensionTag;
         PresetReverb.Tag commonTag;
     }
 
diff --git a/audio/aidl/android/hardware/audio/effect/Virtualizer.aidl b/audio/aidl/android/hardware/audio/effect/Virtualizer.aidl
index 37ea2a4..1dbb509 100644
--- a/audio/aidl/android/hardware/audio/effect/Virtualizer.aidl
+++ b/audio/aidl/android/hardware/audio/effect/Virtualizer.aidl
@@ -34,7 +34,7 @@
      */
     @VintfStability
     union Id {
-        int vendorExtensionTag;
+        VendorExtension vendorExtensionTag;
         Virtualizer.Tag commonTag;
         SpeakerAnglesPayload speakerAnglesPayload;
     }
diff --git a/audio/aidl/android/hardware/audio/effect/Visualizer.aidl b/audio/aidl/android/hardware/audio/effect/Visualizer.aidl
index 8f2faaa..0b37546 100644
--- a/audio/aidl/android/hardware/audio/effect/Visualizer.aidl
+++ b/audio/aidl/android/hardware/audio/effect/Visualizer.aidl
@@ -33,7 +33,7 @@
      */
     @VintfStability
     union Id {
-        int vendorExtensionTag;
+        VendorExtension vendorExtensionTag;
         Visualizer.Tag commonTag;
     }
     Id id;
diff --git a/audio/aidl/android/hardware/audio/effect/Volume.aidl b/audio/aidl/android/hardware/audio/effect/Volume.aidl
index 4a76703..15cfdd2 100644
--- a/audio/aidl/android/hardware/audio/effect/Volume.aidl
+++ b/audio/aidl/android/hardware/audio/effect/Volume.aidl
@@ -31,7 +31,7 @@
      */
     @VintfStability
     union Id {
-        int vendorExtensionTag;
+        VendorExtension vendorExtensionTag;
         Volume.Tag commonTag;
     }
 
diff --git a/audio/aidl/default/Android.bp b/audio/aidl/default/Android.bp
index 21616be..ea00dcb 100644
--- a/audio/aidl/default/Android.bp
+++ b/audio/aidl/default/Android.bp
@@ -54,12 +54,13 @@
     ],
 }
 
-cc_library_static {
+cc_library {
     name: "libaudioserviceexampleimpl",
     defaults: [
         "aidlaudioservice_defaults",
         "latest_android_media_audio_common_types_ndk_shared",
         "latest_android_hardware_audio_core_ndk_shared",
+        "latest_android_hardware_audio_core_sounddose_ndk_shared",
     ],
     export_include_dirs: ["include"],
     srcs: [
@@ -75,6 +76,7 @@
         "Telephony.cpp",
         "usb/ModuleUsb.cpp",
         "usb/StreamUsb.cpp",
+        "usb/UsbAlsaMixerControl.cpp",
         "usb/UsbAlsaUtils.cpp",
     ],
     generated_sources: [
diff --git a/audio/aidl/default/Bluetooth.cpp b/audio/aidl/default/Bluetooth.cpp
index 38e0c21..bd9a864 100644
--- a/audio/aidl/default/Bluetooth.cpp
+++ b/audio/aidl/default/Bluetooth.cpp
@@ -19,6 +19,7 @@
 
 #include "core-impl/Bluetooth.h"
 
+using aidl::android::hardware::audio::core::VendorParameter;
 using aidl::android::media::audio::common::Boolean;
 using aidl::android::media::audio::common::Float;
 using aidl::android::media::audio::common::Int;
@@ -79,4 +80,29 @@
     return ndk::ScopedAStatus::ok();
 }
 
+ndk::ScopedAStatus BluetoothA2dp::isEnabled(bool* _aidl_return) {
+    *_aidl_return = mEnabled;
+    LOG(DEBUG) << __func__ << ": returning " << *_aidl_return;
+    return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus BluetoothA2dp::setEnabled(bool in_enabled) {
+    mEnabled = in_enabled;
+    LOG(DEBUG) << __func__ << ": " << mEnabled;
+    return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus BluetoothA2dp::supportsOffloadReconfiguration(bool* _aidl_return) {
+    *_aidl_return = true;
+    LOG(DEBUG) << __func__ << ": returning " << *_aidl_return;
+    return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus BluetoothA2dp::reconfigureOffload(
+        const std::vector<::aidl::android::hardware::audio::core::VendorParameter>& in_parameters
+                __unused) {
+    LOG(DEBUG) << __func__ << ": " << ::android::internal::ToString(in_parameters);
+    return ndk::ScopedAStatus::ok();
+}
+
 }  // namespace aidl::android::hardware::audio::core
diff --git a/audio/aidl/default/Module.cpp b/audio/aidl/default/Module.cpp
index 5440b8d..c4f3844 100644
--- a/audio/aidl/default/Module.cpp
+++ b/audio/aidl/default/Module.cpp
@@ -370,29 +370,32 @@
 }
 
 ndk::ScopedAStatus Module::getTelephony(std::shared_ptr<ITelephony>* _aidl_return) {
-    if (mTelephony == nullptr) {
+    if (!mTelephony) {
         mTelephony = ndk::SharedRefBase::make<Telephony>();
-        mTelephonyBinder = mTelephony->asBinder();
-        AIBinder_setMinSchedulerPolicy(mTelephonyBinder.get(), SCHED_NORMAL,
-                                       ANDROID_PRIORITY_AUDIO);
     }
-    *_aidl_return = mTelephony;
+    *_aidl_return = mTelephony.getPtr();
     LOG(DEBUG) << __func__ << ": returning instance of ITelephony: " << _aidl_return->get();
     return ndk::ScopedAStatus::ok();
 }
 
 ndk::ScopedAStatus Module::getBluetooth(std::shared_ptr<IBluetooth>* _aidl_return) {
-    if (mBluetooth == nullptr) {
+    if (!mBluetooth) {
         mBluetooth = ndk::SharedRefBase::make<Bluetooth>();
-        mBluetoothBinder = mBluetooth->asBinder();
-        AIBinder_setMinSchedulerPolicy(mBluetoothBinder.get(), SCHED_NORMAL,
-                                       ANDROID_PRIORITY_AUDIO);
     }
-    *_aidl_return = mBluetooth;
+    *_aidl_return = mBluetooth.getPtr();
     LOG(DEBUG) << __func__ << ": returning instance of IBluetooth: " << _aidl_return->get();
     return ndk::ScopedAStatus::ok();
 }
 
+ndk::ScopedAStatus Module::getBluetoothA2dp(std::shared_ptr<IBluetoothA2dp>* _aidl_return) {
+    if (!mBluetoothA2dp) {
+        mBluetoothA2dp = ndk::SharedRefBase::make<BluetoothA2dp>();
+    }
+    *_aidl_return = mBluetoothA2dp.getPtr();
+    LOG(DEBUG) << __func__ << ": returning instance of IBluetoothA2dp: " << _aidl_return->get();
+    return ndk::ScopedAStatus::ok();
+}
+
 ndk::ScopedAStatus Module::connectExternalDevice(const AudioPort& in_templateIdAndAdditionalData,
                                                  AudioPort* _aidl_return) {
     const int32_t templateId = in_templateIdAndAdditionalData.id;
@@ -457,6 +460,7 @@
         connectedPort.profiles = connectedProfilesIt->second;
     }
     ports.push_back(connectedPort);
+    onExternalDeviceConnectionChanged(connectedPort, true /*connected*/);
     *_aidl_return = std::move(connectedPort);
 
     std::vector<AudioRoute> newRoutes;
@@ -510,6 +514,7 @@
                    << configIt->id;
         return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);
     }
+    onExternalDeviceConnectionChanged(*portIt, false /*connected*/);
     ports.erase(portIt);
     mConnectedDevicePorts.erase(in_portId);
     LOG(DEBUG) << __func__ << ": connected device port " << in_portId << " released";
@@ -980,8 +985,17 @@
 
 ndk::ScopedAStatus Module::setMasterMute(bool in_mute) {
     LOG(DEBUG) << __func__ << ": " << in_mute;
-    mMasterMute = in_mute;
-    return ndk::ScopedAStatus::ok();
+    auto result = mDebug.simulateDeviceConnections ? ndk::ScopedAStatus::ok()
+                                                   : onMasterMuteChanged(in_mute);
+    if (result.isOk()) {
+        mMasterMute = in_mute;
+    } else {
+        LOG(ERROR) << __func__ << ": failed calling onMasterMuteChanged(" << in_mute
+                   << "), error=" << result;
+        // Reset master mute if it failed.
+        onMasterMuteChanged(mMasterMute);
+    }
+    return std::move(result);
 }
 
 ndk::ScopedAStatus Module::getMasterVolume(float* _aidl_return) {
@@ -993,8 +1007,17 @@
 ndk::ScopedAStatus Module::setMasterVolume(float in_volume) {
     LOG(DEBUG) << __func__ << ": " << in_volume;
     if (in_volume >= 0.0f && in_volume <= 1.0f) {
-        mMasterVolume = in_volume;
-        return ndk::ScopedAStatus::ok();
+        auto result = mDebug.simulateDeviceConnections ? ndk::ScopedAStatus::ok()
+                                                       : onMasterVolumeChanged(in_volume);
+        if (result.isOk()) {
+            mMasterVolume = in_volume;
+        } else {
+            // Reset master volume if it failed.
+            LOG(ERROR) << __func__ << ": failed calling onMasterVolumeChanged(" << in_volume
+                       << "), error=" << result;
+            onMasterVolumeChanged(mMasterVolume);
+        }
+        return std::move(result);
     }
     LOG(ERROR) << __func__ << ": invalid master volume value: " << in_volume;
     return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
@@ -1039,13 +1062,10 @@
 }
 
 ndk::ScopedAStatus Module::getSoundDose(std::shared_ptr<ISoundDose>* _aidl_return) {
-    if (mSoundDose == nullptr) {
+    if (!mSoundDose) {
         mSoundDose = ndk::SharedRefBase::make<sounddose::SoundDose>();
-        mSoundDoseBinder = mSoundDose->asBinder();
-        AIBinder_setMinSchedulerPolicy(mSoundDoseBinder.get(), SCHED_NORMAL,
-                                       ANDROID_PRIORITY_AUDIO);
     }
-    *_aidl_return = mSoundDose;
+    *_aidl_return = mSoundDose.getPtr();
     LOG(DEBUG) << __func__ << ": returning instance of ISoundDose: " << _aidl_return->get();
     return ndk::ScopedAStatus::ok();
 }
@@ -1251,14 +1271,30 @@
 }
 
 ndk::ScopedAStatus Module::populateConnectedDevicePort(AudioPort* audioPort __unused) {
-    LOG(DEBUG) << __func__ << ": do nothing and return ok";
+    LOG(VERBOSE) << __func__ << ": do nothing and return ok";
     return ndk::ScopedAStatus::ok();
 }
 
 ndk::ScopedAStatus Module::checkAudioPatchEndpointsMatch(
         const std::vector<AudioPortConfig*>& sources __unused,
         const std::vector<AudioPortConfig*>& sinks __unused) {
-    LOG(DEBUG) << __func__ << ": do nothing and return ok";
+    LOG(VERBOSE) << __func__ << ": do nothing and return ok";
+    return ndk::ScopedAStatus::ok();
+}
+
+void Module::onExternalDeviceConnectionChanged(
+        const ::aidl::android::media::audio::common::AudioPort& audioPort __unused,
+        bool connected __unused) {
+    LOG(DEBUG) << __func__ << ": do nothing and return";
+}
+
+ndk::ScopedAStatus Module::onMasterMuteChanged(bool mute __unused) {
+    LOG(VERBOSE) << __func__ << ": do nothing and return ok";
+    return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus Module::onMasterVolumeChanged(float volume __unused) {
+    LOG(VERBOSE) << __func__ << ": do nothing and return ok";
     return ndk::ScopedAStatus::ok();
 }
 
diff --git a/audio/aidl/default/Stream.cpp b/audio/aidl/default/Stream.cpp
index 49ad2f2..871480b 100644
--- a/audio/aidl/default/Stream.cpp
+++ b/audio/aidl/default/Stream.cpp
@@ -24,6 +24,7 @@
 #include "core-impl/Module.h"
 #include "core-impl/Stream.h"
 
+using aidl::android::hardware::audio::common::AudioOffloadMetadata;
 using aidl::android::hardware::audio::common::SinkMetadata;
 using aidl::android::hardware::audio::common::SourceMetadata;
 using aidl::android::media::audio::common::AudioDevice;
@@ -659,6 +660,16 @@
 }
 
 template <class Metadata>
+ndk::ScopedAStatus StreamCommonImpl<Metadata>::prepareToClose() {
+    LOG(DEBUG) << __func__;
+    if (!isClosed()) {
+        return ndk::ScopedAStatus::ok();
+    }
+    LOG(ERROR) << __func__ << ": stream was closed";
+    return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);
+}
+
+template <class Metadata>
 void StreamCommonImpl<Metadata>::stopWorker() {
     if (auto commandMQ = mContext.getCommandMQ(); commandMQ != nullptr) {
         LOG(DEBUG) << __func__ << ": asking the worker to exit...";
@@ -785,6 +796,40 @@
     LOG(DEBUG) << __func__;
 }
 
+ndk::ScopedAStatus StreamOut::updateOffloadMetadata(
+        const AudioOffloadMetadata& in_offloadMetadata) {
+    LOG(DEBUG) << __func__;
+    if (isClosed()) {
+        LOG(ERROR) << __func__ << ": stream was closed";
+        return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);
+    }
+    if (!mOffloadInfo.has_value()) {
+        LOG(ERROR) << __func__ << ": not a compressed offload stream";
+        return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
+    }
+    if (in_offloadMetadata.sampleRate < 0) {
+        LOG(ERROR) << __func__ << ": invalid sample rate value: " << in_offloadMetadata.sampleRate;
+        return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
+    }
+    if (in_offloadMetadata.averageBitRatePerSecond < 0) {
+        LOG(ERROR) << __func__
+                   << ": invalid average BPS value: " << in_offloadMetadata.averageBitRatePerSecond;
+        return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
+    }
+    if (in_offloadMetadata.delayFrames < 0) {
+        LOG(ERROR) << __func__
+                   << ": invalid delay frames value: " << in_offloadMetadata.delayFrames;
+        return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
+    }
+    if (in_offloadMetadata.paddingFrames < 0) {
+        LOG(ERROR) << __func__
+                   << ": invalid padding frames value: " << in_offloadMetadata.paddingFrames;
+        return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT);
+    }
+    mOffloadMetadata = in_offloadMetadata;
+    return ndk::ScopedAStatus::ok();
+}
+
 ndk::ScopedAStatus StreamOut::getHwVolume(std::vector<float>* _aidl_return) {
     LOG(DEBUG) << __func__;
     (void)_aidl_return;
diff --git a/audio/aidl/default/audio_effects_config.xml b/audio/aidl/default/audio_effects_config.xml
index 0d1731f..c06742d 100644
--- a/audio/aidl/default/audio_effects_config.xml
+++ b/audio/aidl/default/audio_effects_config.xml
@@ -69,8 +69,6 @@
     -->
 
     <effects>
-        <effect name="acoustic_echo_canceler" library="pre_processing" uuid="bb392ec0-8d4d-11e0-a896-0002a5d5c51b"/>
-        <effect name="automatic_gain_control_v1" library="pre_processing" uuid="aa8130e0-66fc-11e0-bad0-0002a5d5c51b"/>
         <effect name="automatic_gain_control_v2" library="pre_processing" uuid="89f38e65-d4d2-4d64-ad0e-2b3e799ea886"/>
         <effectProxy name="bassboost" uuid="14804144-a5ee-4d24-aa88-0002a5d5c51b">
             <libsw library="bassboostsw" uuid="fa8181f2-588b-11ed-9b6a-0242ac120002"/>
@@ -81,7 +79,6 @@
         <effect name="haptic_generator" library="haptic_generator" uuid="97c4acd1-8b82-4f2f-832e-c2fe5d7a9931"/>
         <effect name="loudness_enhancer" library="loudness_enhancer" uuid="fa415329-2034-4bea-b5dc-5b381c8d1e2c"/>
         <effect name="env_reverb" library="env_reverbsw" uuid="fa819886-588b-11ed-9b6a-0242ac120002"/>
-        <effect name="noise_suppression" library="pre_processing" uuid="c06c8400-8e06-11e0-9cb6-0002a5d5c51b"/>
         <effect name="preset_reverb" library="preset_reverbsw" uuid="fa8199c6-588b-11ed-9b6a-0242ac120002"/>
         <effect name="reverb_env_aux" library="reverb" uuid="4a387fc0-8ab3-11df-8bad-0002a5d5c51b"/>
         <effect name="reverb_env_ins" library="reverb" uuid="c7a511a0-a3bb-11df-860e-0002a5d5c51b"/>
diff --git a/audio/aidl/default/dynamicProcessing/DynamicsProcessingSw.cpp b/audio/aidl/default/dynamicProcessing/DynamicsProcessingSw.cpp
index da6d0c6..5e5c974 100644
--- a/audio/aidl/default/dynamicProcessing/DynamicsProcessingSw.cpp
+++ b/audio/aidl/default/dynamicProcessing/DynamicsProcessingSw.cpp
@@ -170,7 +170,7 @@
                       EX_ILLEGAL_ARGUMENT, "inputGainCfgFailed");
             return ndk::ScopedAStatus::ok();
         }
-        case DynamicsProcessing::vendorExtension: {
+        case DynamicsProcessing::vendor: {
             LOG(ERROR) << __func__ << " unsupported tag: " << toString(tag);
             return ndk::ScopedAStatus::fromExceptionCodeWithMessage(
                     EX_ILLEGAL_ARGUMENT, "DynamicsProcessingTagNotSupported");
@@ -237,7 +237,7 @@
             dpParam.set<DynamicsProcessing::inputGain>(mContext->getInputGainCfgs());
             break;
         }
-        case DynamicsProcessing::vendorExtension: {
+        case DynamicsProcessing::vendor: {
             LOG(ERROR) << __func__ << " unsupported tag: " << toString(tag);
             return ndk::ScopedAStatus::fromExceptionCodeWithMessage(
                     EX_ILLEGAL_ARGUMENT, "DynamicsProcessingTagNotSupported");
diff --git a/audio/aidl/default/extension/ExtensionEffect.cpp b/audio/aidl/default/extension/ExtensionEffect.cpp
index d2e3ccd..c4e4999 100644
--- a/audio/aidl/default/extension/ExtensionEffect.cpp
+++ b/audio/aidl/default/extension/ExtensionEffect.cpp
@@ -88,7 +88,7 @@
     std::optional<DefaultExtension> defaultExt;
     RETURN_IF(STATUS_OK != vendorEffect.extension.getParcelable(&defaultExt), EX_ILLEGAL_ARGUMENT,
               "getParcelableFailed");
-    RETURN_IF(!defaultExt.has_value(), EX_ILLEGAL_ARGUMENT, "parcelableNulld");
+    RETURN_IF(!defaultExt.has_value(), EX_ILLEGAL_ARGUMENT, "parcelableNull");
     RETURN_IF(mContext->setParams(defaultExt->bytes) != RetCode::SUCCESS, EX_ILLEGAL_ARGUMENT,
               "paramNotSupported");
 
@@ -99,10 +99,15 @@
                                                          Parameter::Specific* specific) {
     auto tag = id.getTag();
     RETURN_IF(Parameter::Id::vendorEffectTag != tag, EX_ILLEGAL_ARGUMENT, "wrongIdTag");
-    auto specificId = id.get<Parameter::Id::vendorEffectTag>();
+    auto extensionId = id.get<Parameter::Id::vendorEffectTag>();
+    std::optional<DefaultExtension> defaultIdExt;
+    RETURN_IF(STATUS_OK != extensionId.extension.getParcelable(&defaultIdExt), EX_ILLEGAL_ARGUMENT,
+              "getIdParcelableFailed");
+    RETURN_IF(!defaultIdExt.has_value(), EX_ILLEGAL_ARGUMENT, "parcelableIdNull");
+
     VendorExtension extension;
     DefaultExtension defaultExt;
-    defaultExt.bytes = mContext->getParams(specificId);
+    defaultExt.bytes = mContext->getParams(defaultIdExt->bytes);
     RETURN_IF(STATUS_OK != extension.extension.setParcelable(defaultExt), EX_ILLEGAL_ARGUMENT,
               "setParcelableFailed");
     specific->set<Parameter::Specific::vendorEffect>(extension);
diff --git a/audio/aidl/default/extension/ExtensionEffect.h b/audio/aidl/default/extension/ExtensionEffect.h
index 399fa83..f432d40 100644
--- a/audio/aidl/default/extension/ExtensionEffect.h
+++ b/audio/aidl/default/extension/ExtensionEffect.h
@@ -37,7 +37,7 @@
         mParams = params;
         return RetCode::SUCCESS;
     }
-    std::vector<uint8_t> getParams(int tag __unused) const { return mParams; }
+    std::vector<uint8_t> getParams(std::vector<uint8_t> id __unused) const { return mParams; }
 
   private:
     std::vector<uint8_t> mParams;
diff --git a/audio/aidl/default/include/core-impl/Bluetooth.h b/audio/aidl/default/include/core-impl/Bluetooth.h
index f2e762d..e2f48ba 100644
--- a/audio/aidl/default/include/core-impl/Bluetooth.h
+++ b/audio/aidl/default/include/core-impl/Bluetooth.h
@@ -17,6 +17,7 @@
 #pragma once
 
 #include <aidl/android/hardware/audio/core/BnBluetooth.h>
+#include <aidl/android/hardware/audio/core/BnBluetoothA2dp.h>
 
 namespace aidl::android::hardware::audio::core {
 
@@ -32,4 +33,19 @@
     HfpConfig mHfpConfig;
 };
 
+class BluetoothA2dp : public BnBluetoothA2dp {
+  public:
+    BluetoothA2dp() = default;
+
+  private:
+    ndk::ScopedAStatus isEnabled(bool* _aidl_return) override;
+    ndk::ScopedAStatus setEnabled(bool in_enabled) override;
+    ndk::ScopedAStatus supportsOffloadReconfiguration(bool* _aidl_return) override;
+    ndk::ScopedAStatus reconfigureOffload(
+            const std::vector<::aidl::android::hardware::audio::core::VendorParameter>&
+                    in_parameters) override;
+
+    bool mEnabled = false;
+};
+
 }  // namespace aidl::android::hardware::audio::core
diff --git a/audio/aidl/default/include/core-impl/Module.h b/audio/aidl/default/include/core-impl/Module.h
index 8365b34..c35025f 100644
--- a/audio/aidl/default/include/core-impl/Module.h
+++ b/audio/aidl/default/include/core-impl/Module.h
@@ -46,11 +46,32 @@
         bool forceTransientBurst = false;
         bool forceSynchronousDrain = false;
     };
+    // Helper used for interfaces that require a persistent instance. We hold them via a strong
+    // pointer. The binder token is retained for a call to 'setMinSchedulerPolicy'.
+    template <class C>
+    struct ChildInterface : private std::pair<std::shared_ptr<C>, ndk::SpAIBinder> {
+        ChildInterface() {}
+        ChildInterface& operator=(const std::shared_ptr<C>& c) {
+            return operator=(std::shared_ptr<C>(c));
+        }
+        ChildInterface& operator=(std::shared_ptr<C>&& c) {
+            this->first = std::move(c);
+            this->second = this->first->asBinder();
+            AIBinder_setMinSchedulerPolicy(this->second.get(), SCHED_NORMAL,
+                                           ANDROID_PRIORITY_AUDIO);
+            return *this;
+        }
+        explicit operator bool() const { return !!this->first; }
+        C& operator*() const { return *(this->first); }
+        C* operator->() const { return this->first; }
+        std::shared_ptr<C> getPtr() const { return this->first; }
+    };
 
     ndk::ScopedAStatus setModuleDebug(
             const ::aidl::android::hardware::audio::core::ModuleDebug& in_debug) override;
     ndk::ScopedAStatus getTelephony(std::shared_ptr<ITelephony>* _aidl_return) override;
     ndk::ScopedAStatus getBluetooth(std::shared_ptr<IBluetooth>* _aidl_return) override;
+    ndk::ScopedAStatus getBluetoothA2dp(std::shared_ptr<IBluetoothA2dp>* _aidl_return) override;
     ndk::ScopedAStatus connectExternalDevice(
             const ::aidl::android::media::audio::common::AudioPort& in_templateIdAndAdditionalData,
             ::aidl::android::media::audio::common::AudioPort* _aidl_return) override;
@@ -151,23 +172,17 @@
     std::unique_ptr<internal::Configuration> mConfig;
     ModuleDebug mDebug;
     VendorDebug mVendorDebug;
-    // For the interfaces requiring to return the same instance, we need to hold them
-    // via a strong pointer. The binder token is retained for a call to 'setMinSchedulerPolicy'.
-    std::shared_ptr<ITelephony> mTelephony;
-    ndk::SpAIBinder mTelephonyBinder;
-    std::shared_ptr<IBluetooth> mBluetooth;
-    ndk::SpAIBinder mBluetoothBinder;
+    ChildInterface<ITelephony> mTelephony;
+    ChildInterface<IBluetooth> mBluetooth;
+    ChildInterface<IBluetoothA2dp> mBluetoothA2dp;
     // ids of ports created at runtime via 'connectExternalDevice'.
     std::set<int32_t> mConnectedDevicePorts;
     Streams mStreams;
     // Maps port ids and port config ids to patch ids.
     // Multimap because both ports and configs can be used by multiple patches.
     std::multimap<int32_t, int32_t> mPatches;
-    bool mMasterMute = false;
-    float mMasterVolume = 1.0f;
     bool mMicMute = false;
-    std::shared_ptr<sounddose::ISoundDose> mSoundDose;
-    ndk::SpAIBinder mSoundDoseBinder;
+    ChildInterface<sounddose::ISoundDose> mSoundDose;
     std::optional<bool> mIsMmapSupported;
 
   protected:
@@ -180,6 +195,13 @@
     virtual ndk::ScopedAStatus checkAudioPatchEndpointsMatch(
             const std::vector<::aidl::android::media::audio::common::AudioPortConfig*>& sources,
             const std::vector<::aidl::android::media::audio::common::AudioPortConfig*>& sinks);
+    virtual void onExternalDeviceConnectionChanged(
+            const ::aidl::android::media::audio::common::AudioPort& audioPort, bool connected);
+    virtual ndk::ScopedAStatus onMasterMuteChanged(bool mute);
+    virtual ndk::ScopedAStatus onMasterVolumeChanged(float volume);
+
+    bool mMasterMute = false;
+    float mMasterVolume = 1.0f;
 };
 
 }  // namespace aidl::android::hardware::audio::core
diff --git a/audio/aidl/default/include/core-impl/ModuleUsb.h b/audio/aidl/default/include/core-impl/ModuleUsb.h
index 7b177e8..1aa2244 100644
--- a/audio/aidl/default/include/core-impl/ModuleUsb.h
+++ b/audio/aidl/default/include/core-impl/ModuleUsb.h
@@ -28,10 +28,6 @@
     // IModule interfaces
     ndk::ScopedAStatus getTelephony(std::shared_ptr<ITelephony>* _aidl_return) override;
     ndk::ScopedAStatus getBluetooth(std::shared_ptr<IBluetooth>* _aidl_return) override;
-    ndk::ScopedAStatus getMasterMute(bool* _aidl_return) override;
-    ndk::ScopedAStatus setMasterMute(bool in_mute) override;
-    ndk::ScopedAStatus getMasterVolume(float* _aidl_return) override;
-    ndk::ScopedAStatus setMasterVolume(float in_volume) override;
     ndk::ScopedAStatus getMicMute(bool* _aidl_return) override;
     ndk::ScopedAStatus setMicMute(bool in_mute) override;
 
@@ -42,6 +38,11 @@
             const std::vector<::aidl::android::media::audio::common::AudioPortConfig*>& sources,
             const std::vector<::aidl::android::media::audio::common::AudioPortConfig*>& sinks)
             override;
+    void onExternalDeviceConnectionChanged(
+            const ::aidl::android::media::audio::common::AudioPort& audioPort,
+            bool connected) override;
+    ndk::ScopedAStatus onMasterMuteChanged(bool mute) override;
+    ndk::ScopedAStatus onMasterVolumeChanged(float volume) override;
 };
 
 }  // namespace aidl::android::hardware::audio::core
diff --git a/audio/aidl/default/include/core-impl/Stream.h b/audio/aidl/default/include/core-impl/Stream.h
index 0d4365a3..65680df 100644
--- a/audio/aidl/default/include/core-impl/Stream.h
+++ b/audio/aidl/default/include/core-impl/Stream.h
@@ -294,6 +294,7 @@
 struct StreamCommonInterface {
     virtual ~StreamCommonInterface() = default;
     virtual ndk::ScopedAStatus close() = 0;
+    virtual ndk::ScopedAStatus prepareToClose() = 0;
     virtual ndk::ScopedAStatus updateHwAvSyncId(int32_t in_hwAvSyncId) = 0;
     virtual ndk::ScopedAStatus getVendorParameters(const std::vector<std::string>& in_ids,
                                                    std::vector<VendorParameter>* _aidl_return) = 0;
@@ -318,6 +319,11 @@
         return delegate != nullptr ? delegate->close()
                                    : ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);
     }
+    ndk::ScopedAStatus prepareToClose() override {
+        auto delegate = mDelegate.lock();
+        return delegate != nullptr ? delegate->prepareToClose()
+                                   : ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);
+    }
     ndk::ScopedAStatus updateHwAvSyncId(int32_t in_hwAvSyncId) override {
         auto delegate = mDelegate.lock();
         return delegate != nullptr ? delegate->updateHwAvSyncId(in_hwAvSyncId)
@@ -359,6 +365,7 @@
 class StreamCommonImpl : public StreamCommonInterface {
   public:
     ndk::ScopedAStatus close() override;
+    ndk::ScopedAStatus prepareToClose() override;
     ndk::ScopedAStatus updateHwAvSyncId(int32_t in_hwAvSyncId) override;
     ndk::ScopedAStatus getVendorParameters(const std::vector<std::string>& in_ids,
                                            std::vector<VendorParameter>* _aidl_return) override;
@@ -463,6 +470,9 @@
         return StreamCommonImpl<::aidl::android::hardware::audio::common::SourceMetadata>::
                 updateMetadata(in_sourceMetadata);
     }
+    ndk::ScopedAStatus updateOffloadMetadata(
+            const ::aidl::android::hardware::audio::common::AudioOffloadMetadata&
+                    in_offloadMetadata) override;
     ndk::ScopedAStatus getHwVolume(std::vector<float>* _aidl_return) override;
     ndk::ScopedAStatus setHwVolume(const std::vector<float>& in_channelVolumes) override;
     ndk::ScopedAStatus getAudioDescriptionMixLevel(float* _aidl_return) override;
@@ -500,6 +510,7 @@
                       offloadInfo);
 
     std::optional<::aidl::android::media::audio::common::AudioOffloadInfo> mOffloadInfo;
+    std::optional<::aidl::android::hardware::audio::common::AudioOffloadMetadata> mOffloadMetadata;
 
   public:
     using CreateInstance = std::function<ndk::ScopedAStatus(
diff --git a/audio/aidl/default/include/core-impl/StreamUsb.h b/audio/aidl/default/include/core-impl/StreamUsb.h
index c04dc66..f1815dd 100644
--- a/audio/aidl/default/include/core-impl/StreamUsb.h
+++ b/audio/aidl/default/include/core-impl/StreamUsb.h
@@ -17,6 +17,7 @@
 #pragma once
 
 #include <mutex>
+#include <vector>
 
 #include <aidl/android/media/audio/common/AudioChannelLayout.h>
 
@@ -93,6 +94,12 @@
                  StreamContext&& context,
                  const std::optional<::aidl::android::media::audio::common::AudioOffloadInfo>&
                          offloadInfo);
+
+    ndk::ScopedAStatus getHwVolume(std::vector<float>* _aidl_return) override;
+    ndk::ScopedAStatus setHwVolume(const std::vector<float>& in_channelVolumes) override;
+
+    int mChannelCount;
+    std::vector<float> mHwVolumes;
 };
 
 }  // namespace aidl::android::hardware::audio::core
diff --git a/audio/aidl/default/usb/ModuleUsb.cpp b/audio/aidl/default/usb/ModuleUsb.cpp
index e803420..511ba74 100644
--- a/audio/aidl/default/usb/ModuleUsb.cpp
+++ b/audio/aidl/default/usb/ModuleUsb.cpp
@@ -22,6 +22,7 @@
 #include <android-base/logging.h>
 #include <tinyalsa/asoundlib.h>
 
+#include "UsbAlsaMixerControl.h"
 #include "UsbAlsaUtils.h"
 #include "core-impl/ModuleUsb.h"
 
@@ -86,26 +87,6 @@
     return ndk::ScopedAStatus::ok();
 }
 
-ndk::ScopedAStatus ModuleUsb::getMasterMute(bool* _aidl_return __unused) {
-    LOG(DEBUG) << __func__ << ": is not supported";
-    return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
-}
-
-ndk::ScopedAStatus ModuleUsb::setMasterMute(bool in_mute __unused) {
-    LOG(DEBUG) << __func__ << ": is not supported";
-    return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
-}
-
-ndk::ScopedAStatus ModuleUsb::getMasterVolume(float* _aidl_return __unused) {
-    LOG(DEBUG) << __func__ << ": is not supported";
-    return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
-}
-
-ndk::ScopedAStatus ModuleUsb::setMasterVolume(float in_volume __unused) {
-    LOG(DEBUG) << __func__ << ": is not supported";
-    return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
-}
-
 ndk::ScopedAStatus ModuleUsb::getMicMute(bool* _aidl_return __unused) {
     LOG(DEBUG) << __func__ << ": is not supported";
     return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
@@ -180,4 +161,26 @@
     return ndk::ScopedAStatus::ok();
 }
 
+void ModuleUsb::onExternalDeviceConnectionChanged(
+        const ::aidl::android::media::audio::common::AudioPort& audioPort, bool connected) {
+    if (audioPort.ext.getTag() != AudioPortExt::Tag::device) {
+        return;
+    }
+    const auto& address = audioPort.ext.get<AudioPortExt::Tag::device>().device.address;
+    if (address.getTag() != AudioDeviceAddress::alsa) {
+        return;
+    }
+    const int card = address.get<AudioDeviceAddress::alsa>()[0];
+    usb::UsbAlsaMixerControl::getInstance().setDeviceConnectionState(card, mMasterMute,
+                                                                     mMasterVolume, connected);
+}
+
+ndk::ScopedAStatus ModuleUsb::onMasterMuteChanged(bool mute) {
+    return usb::UsbAlsaMixerControl::getInstance().setMasterMute(mute);
+}
+
+ndk::ScopedAStatus ModuleUsb::onMasterVolumeChanged(float volume) {
+    return usb::UsbAlsaMixerControl::getInstance().setMasterVolume(volume);
+}
+
 }  // namespace aidl::android::hardware::audio::core
diff --git a/audio/aidl/default/usb/StreamUsb.cpp b/audio/aidl/default/usb/StreamUsb.cpp
index bd53a0e..d6f757c 100644
--- a/audio/aidl/default/usb/StreamUsb.cpp
+++ b/audio/aidl/default/usb/StreamUsb.cpp
@@ -17,6 +17,9 @@
 #define LOG_TAG "AHAL_StreamUsb"
 #include <android-base/logging.h>
 
+#include <Utils.h>
+
+#include "UsbAlsaMixerControl.h"
 #include "UsbAlsaUtils.h"
 #include "core-impl/Module.h"
 #include "core-impl/StreamUsb.h"
@@ -30,8 +33,12 @@
 using aidl::android::media::audio::common::AudioDevice;
 using aidl::android::media::audio::common::AudioDeviceAddress;
 using aidl::android::media::audio::common::AudioOffloadInfo;
+using aidl::android::media::audio::common::AudioPortExt;
 using aidl::android::media::audio::common::MicrophoneDynamicInfo;
 using aidl::android::media::audio::common::MicrophoneInfo;
+using android::OK;
+using android::status_t;
+using android::hardware::audio::common::getChannelCount;
 
 namespace aidl::android::hardware::audio::core {
 
@@ -239,6 +246,31 @@
                   // The default worker implementation is used.
                   return new StreamOutWorker(ctx, driver);
               },
-              offloadInfo) {}
+              offloadInfo) {
+    mChannelCount = getChannelCount(mContext.getChannelLayout());
+}
+
+ndk::ScopedAStatus StreamOutUsb::getHwVolume(std::vector<float>* _aidl_return) {
+    *_aidl_return = mHwVolumes;
+    return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus StreamOutUsb::setHwVolume(const std::vector<float>& in_channelVolumes) {
+    for (const auto& device : mConnectedDevices) {
+        if (device.address.getTag() != AudioDeviceAddress::alsa) {
+            LOG(DEBUG) << __func__ << ": skip as the device address is not alsa";
+            continue;
+        }
+        const int card = device.address.get<AudioDeviceAddress::alsa>()[0];
+        if (auto result =
+                    usb::UsbAlsaMixerControl::getInstance().setVolumes(card, in_channelVolumes);
+            !result.isOk()) {
+            LOG(ERROR) << __func__ << ": failed to set volume for device, card=" << card;
+            return result;
+        }
+    }
+    mHwVolumes = in_channelVolumes;
+    return ndk::ScopedAStatus::ok();
+}
 
 }  // namespace aidl::android::hardware::audio::core
diff --git a/audio/aidl/default/usb/UsbAlsaMixerControl.cpp b/audio/aidl/default/usb/UsbAlsaMixerControl.cpp
new file mode 100644
index 0000000..b5337d1
--- /dev/null
+++ b/audio/aidl/default/usb/UsbAlsaMixerControl.cpp
@@ -0,0 +1,239 @@
+/*
+ * Copyright (C) 2023 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 "AHAL_UsbAlsaMixerControl"
+#include <android-base/logging.h>
+
+#include <cmath>
+#include <string>
+#include <vector>
+
+#include <android/binder_status.h>
+
+#include "UsbAlsaMixerControl.h"
+
+namespace aidl::android::hardware::audio::core::usb {
+
+//-----------------------------------------------------------------------------
+
+MixerControl::MixerControl(struct mixer_ctl* ctl)
+    : mCtl(ctl),
+      mNumValues(mixer_ctl_get_num_values(ctl)),
+      mMinValue(mixer_ctl_get_range_min(ctl)),
+      mMaxValue(mixer_ctl_get_range_max(ctl)) {}
+
+unsigned int MixerControl::getNumValues() const {
+    return mNumValues;
+}
+
+int MixerControl::getMaxValue() const {
+    return mMaxValue;
+}
+
+int MixerControl::getMinValue() const {
+    return mMinValue;
+}
+
+int MixerControl::setArray(const void* array, size_t count) {
+    const std::lock_guard guard(mLock);
+    return mixer_ctl_set_array(mCtl, array, count);
+}
+
+//-----------------------------------------------------------------------------
+
+// static
+const std::map<AlsaMixer::Control, std::vector<AlsaMixer::ControlNamesAndExpectedCtlType>>
+        AlsaMixer::kPossibleControls = {
+                {AlsaMixer::MASTER_SWITCH, {{"Master Playback Switch", MIXER_CTL_TYPE_BOOL}}},
+                {AlsaMixer::MASTER_VOLUME, {{"Master Playback Volume", MIXER_CTL_TYPE_INT}}},
+                {AlsaMixer::HW_VOLUME,
+                 {{"Headphone Playback Volume", MIXER_CTL_TYPE_INT},
+                  {"Headset Playback Volume", MIXER_CTL_TYPE_INT},
+                  {"PCM Playback Volume", MIXER_CTL_TYPE_INT}}}};
+
+// static
+std::map<AlsaMixer::Control, std::shared_ptr<MixerControl>> AlsaMixer::initializeMixerControls(
+        struct mixer* mixer) {
+    std::map<AlsaMixer::Control, std::shared_ptr<MixerControl>> mixerControls;
+    std::string mixerCtlNames;
+    for (const auto& [control, possibleCtls] : kPossibleControls) {
+        for (const auto& [ctlName, expectedCtlType] : possibleCtls) {
+            struct mixer_ctl* ctl = mixer_get_ctl_by_name(mixer, ctlName.c_str());
+            if (ctl != nullptr && mixer_ctl_get_type(ctl) == expectedCtlType) {
+                mixerControls.emplace(control, std::make_unique<MixerControl>(ctl));
+                if (!mixerCtlNames.empty()) {
+                    mixerCtlNames += ",";
+                }
+                mixerCtlNames += ctlName;
+                break;
+            }
+        }
+    }
+    LOG(DEBUG) << __func__ << ": available mixer control names=[" << mixerCtlNames << "]";
+    return mixerControls;
+}
+
+AlsaMixer::AlsaMixer(struct mixer* mixer)
+    : mMixer(mixer), mMixerControls(initializeMixerControls(mMixer)) {}
+
+AlsaMixer::~AlsaMixer() {
+    mixer_close(mMixer);
+}
+
+namespace {
+
+int volumeFloatToInteger(float fValue, int maxValue, int minValue) {
+    return minValue + std::ceil((maxValue - minValue) * fValue);
+}
+
+float volumeIntegerToFloat(int iValue, int maxValue, int minValue) {
+    if (iValue > maxValue) {
+        return 1.0f;
+    }
+    if (iValue < minValue) {
+        return 0.0f;
+    }
+    return static_cast<float>(iValue - minValue) / (maxValue - minValue);
+}
+
+}  // namespace
+
+ndk::ScopedAStatus AlsaMixer::setMasterMute(bool muted) {
+    auto it = mMixerControls.find(AlsaMixer::MASTER_SWITCH);
+    if (it == mMixerControls.end()) {
+        return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
+    }
+    const int numValues = it->second->getNumValues();
+    std::vector<int> values(numValues, muted ? 0 : 1);
+    if (int err = it->second->setArray(values.data(), numValues); err != 0) {
+        LOG(ERROR) << __func__ << ": failed to set master mute, err=" << err;
+        return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);
+    }
+    return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus AlsaMixer::setMasterVolume(float volume) {
+    auto it = mMixerControls.find(AlsaMixer::MASTER_VOLUME);
+    if (it == mMixerControls.end()) {
+        return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
+    }
+    const int numValues = it->second->getNumValues();
+    std::vector<int> values(numValues, volumeFloatToInteger(volume, it->second->getMaxValue(),
+                                                            it->second->getMinValue()));
+    if (int err = it->second->setArray(values.data(), numValues); err != 0) {
+        LOG(ERROR) << __func__ << ": failed to set master volume, err=" << err;
+        return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);
+    }
+    return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus AlsaMixer::setVolumes(std::vector<float> volumes) {
+    auto it = mMixerControls.find(AlsaMixer::HW_VOLUME);
+    if (it == mMixerControls.end()) {
+        return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
+    }
+    const int numValues = it->second->getNumValues();
+    const int maxValue = it->second->getMaxValue();
+    const int minValue = it->second->getMinValue();
+    std::vector<int> values;
+    size_t i = 0;
+    for (; i < numValues && i < values.size(); ++i) {
+        values.emplace_back(volumeFloatToInteger(volumes[i], maxValue, minValue));
+    }
+    if (int err = it->second->setArray(values.data(), values.size()); err != 0) {
+        LOG(ERROR) << __func__ << ": failed to set volume, err=" << err;
+        return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE);
+    }
+    return ndk::ScopedAStatus::ok();
+}
+
+//-----------------------------------------------------------------------------
+
+// static
+UsbAlsaMixerControl& UsbAlsaMixerControl::getInstance() {
+    static UsbAlsaMixerControl gInstance;
+    return gInstance;
+}
+
+void UsbAlsaMixerControl::setDeviceConnectionState(int card, bool masterMuted, float masterVolume,
+                                                   bool connected) {
+    LOG(DEBUG) << __func__ << ": card=" << card << ", connected=" << connected;
+    if (connected) {
+        struct mixer* mixer = mixer_open(card);
+        if (mixer == nullptr) {
+            PLOG(ERROR) << __func__ << ": failed to open mixer for card=" << card;
+            return;
+        }
+        auto alsaMixer = std::make_shared<AlsaMixer>(mixer);
+        alsaMixer->setMasterMute(masterMuted);
+        alsaMixer->setMasterVolume(masterVolume);
+        const std::lock_guard guard(mLock);
+        mMixerControls.emplace(card, alsaMixer);
+    } else {
+        const std::lock_guard guard(mLock);
+        mMixerControls.erase(card);
+    }
+}
+
+ndk::ScopedAStatus UsbAlsaMixerControl::setMasterMute(bool mute) {
+    auto alsaMixers = getAlsaMixers();
+    for (auto it = alsaMixers.begin(); it != alsaMixers.end(); ++it) {
+        if (auto result = it->second->setMasterMute(mute); !result.isOk()) {
+            // Return illegal state if there are multiple devices connected and one of them fails
+            // to set master mute. Otherwise, return the error from calling `setMasterMute`.
+            LOG(ERROR) << __func__ << ": failed to set master mute for card=" << it->first;
+            return alsaMixers.size() > 1 ? ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE)
+                                         : std::move(result);
+        }
+    }
+    return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus UsbAlsaMixerControl::setMasterVolume(float volume) {
+    auto alsaMixers = getAlsaMixers();
+    for (auto it = alsaMixers.begin(); it != alsaMixers.end(); ++it) {
+        if (auto result = it->second->setMasterVolume(volume); !result.isOk()) {
+            // Return illegal state if there are multiple devices connected and one of them fails
+            // to set master volume. Otherwise, return the error from calling `setMasterVolume`.
+            LOG(ERROR) << __func__ << ": failed to set master volume for card=" << it->first;
+            return alsaMixers.size() > 1 ? ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE)
+                                         : std::move(result);
+        }
+    }
+    return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus UsbAlsaMixerControl::setVolumes(int card, std::vector<float> volumes) {
+    auto alsaMixer = getAlsaMixer(card);
+    if (alsaMixer == nullptr) {
+        LOG(ERROR) << __func__ << ": no mixer control found for card=" << card;
+        return ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
+    }
+    return alsaMixer->setVolumes(volumes);
+}
+
+std::shared_ptr<AlsaMixer> UsbAlsaMixerControl::getAlsaMixer(int card) {
+    const std::lock_guard guard(mLock);
+    const auto it = mMixerControls.find(card);
+    return it == mMixerControls.end() ? nullptr : it->second;
+}
+
+std::map<int, std::shared_ptr<AlsaMixer>> UsbAlsaMixerControl::getAlsaMixers() {
+    const std::lock_guard guard(mLock);
+    return mMixerControls;
+}
+
+}  // namespace aidl::android::hardware::audio::core::usb
diff --git a/audio/aidl/default/usb/UsbAlsaMixerControl.h b/audio/aidl/default/usb/UsbAlsaMixerControl.h
new file mode 100644
index 0000000..cbcddd8
--- /dev/null
+++ b/audio/aidl/default/usb/UsbAlsaMixerControl.h
@@ -0,0 +1,106 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <map>
+#include <memory>
+#include <mutex>
+#include <optional>
+#include <string>
+#include <vector>
+
+#include <android-base/thread_annotations.h>
+#include <android/binder_auto_utils.h>
+
+extern "C" {
+#include <tinyalsa/mixer.h>
+}
+
+namespace aidl::android::hardware::audio::core::usb {
+
+class MixerControl {
+  public:
+    explicit MixerControl(struct mixer_ctl* ctl);
+
+    unsigned int getNumValues() const;
+    int getMaxValue() const;
+    int getMinValue() const;
+    int setArray(const void* array, size_t count);
+
+  private:
+    std::mutex mLock;
+    // The mixer_ctl object is owned by ALSA and will be released when the mixer is closed.
+    struct mixer_ctl* mCtl GUARDED_BY(mLock);
+    const unsigned int mNumValues;
+    const int mMinValue;
+    const int mMaxValue;
+};
+
+class AlsaMixer {
+  public:
+    explicit AlsaMixer(struct mixer* mixer);
+
+    ~AlsaMixer();
+
+    bool isValid() const { return mMixer != nullptr; }
+
+    ndk::ScopedAStatus setMasterMute(bool muted);
+    ndk::ScopedAStatus setMasterVolume(float volume);
+    ndk::ScopedAStatus setVolumes(std::vector<float> volumes);
+
+  private:
+    enum Control {
+        MASTER_SWITCH,
+        MASTER_VOLUME,
+        HW_VOLUME,
+    };
+    using ControlNamesAndExpectedCtlType = std::pair<std::string, enum mixer_ctl_type>;
+    static const std::map<Control, std::vector<ControlNamesAndExpectedCtlType>> kPossibleControls;
+    static std::map<Control, std::shared_ptr<MixerControl>> initializeMixerControls(
+            struct mixer* mixer);
+
+    // The mixer object is owned by ALSA and will be released when the mixer is closed.
+    struct mixer* mMixer;
+    // `mMixerControls` will only be initialized in constructor. After that, it wil only be
+    // read but not be modified.
+    const std::map<Control, std::shared_ptr<MixerControl>> mMixerControls;
+};
+
+class UsbAlsaMixerControl {
+  public:
+    static UsbAlsaMixerControl& getInstance();
+
+    void setDeviceConnectionState(int card, bool masterMuted, float masterVolume, bool connected);
+
+    // Master volume settings will be applied to all sound cards, it is only set by the
+    // USB module.
+    ndk::ScopedAStatus setMasterMute(bool muted);
+    ndk::ScopedAStatus setMasterVolume(float volume);
+    // The volume settings can be different on sound cards. It is controlled by streams.
+    ndk::ScopedAStatus setVolumes(int card, std::vector<float> volumes);
+
+  private:
+    std::shared_ptr<AlsaMixer> getAlsaMixer(int card);
+    std::map<int, std::shared_ptr<AlsaMixer>> getAlsaMixers();
+
+    std::mutex mLock;
+    // A map whose key is the card number and value is a shared pointer to corresponding
+    // AlsaMixer object.
+    std::map<int, std::shared_ptr<AlsaMixer>> mMixerControls GUARDED_BY(mLock);
+};
+
+}  // namespace aidl::android::hardware::audio::core::usb
diff --git a/audio/aidl/vts/EffectHelper.h b/audio/aidl/vts/EffectHelper.h
index 5ed8e1f..5e03d67 100644
--- a/audio/aidl/vts/EffectHelper.h
+++ b/audio/aidl/vts/EffectHelper.h
@@ -28,6 +28,7 @@
 #include <aidl/android/media/audio/common/AudioChannelLayout.h>
 #include <android/binder_auto_utils.h>
 #include <fmq/AidlMessageQueue.h>
+#include <gtest/gtest.h>
 #include <system/audio_effects/aidl_effects_utils.h>
 
 #include "AudioHalBinderServiceUtil.h"
diff --git a/audio/aidl/vts/ModuleConfig.cpp b/audio/aidl/vts/ModuleConfig.cpp
index 7b002ad..b07edb7 100644
--- a/audio/aidl/vts/ModuleConfig.cpp
+++ b/audio/aidl/vts/ModuleConfig.cpp
@@ -56,7 +56,7 @@
         offloadInfo.base.sampleRate = portConfig.sampleRate.value().value;
         offloadInfo.base.channelMask = portConfig.channelMask.value();
         offloadInfo.base.format = portConfig.format.value();
-        offloadInfo.bitRatePerSecond = 256;                                // Arbitrary value.
+        offloadInfo.bitRatePerSecond = 256000;                             // Arbitrary value.
         offloadInfo.durationUs = std::chrono::microseconds(1min).count();  // Arbitrary value.
         offloadInfo.usage = AudioUsage::MEDIA;
         offloadInfo.encapsulationMode = AudioEncapsulationMode::NONE;
diff --git a/audio/aidl/vts/TestUtils.h b/audio/aidl/vts/TestUtils.h
index 4c1d42c..72ca56f 100644
--- a/audio/aidl/vts/TestUtils.h
+++ b/audio/aidl/vts/TestUtils.h
@@ -21,7 +21,7 @@
 #include <iostream>
 
 #include <android/binder_auto_utils.h>
-#include <gtest/gtest_pred_impl.h>
+#include <gtest/gtest.h>
 
 namespace android::hardware::audio::common::testing {
 
diff --git a/audio/aidl/vts/VtsHalAudioCoreModuleTargetTest.cpp b/audio/aidl/vts/VtsHalAudioCoreModuleTargetTest.cpp
index b6015ff..f06c0f1 100644
--- a/audio/aidl/vts/VtsHalAudioCoreModuleTargetTest.cpp
+++ b/audio/aidl/vts/VtsHalAudioCoreModuleTargetTest.cpp
@@ -53,6 +53,7 @@
 #include "TestUtils.h"
 
 using namespace android;
+using aidl::android::hardware::audio::common::AudioOffloadMetadata;
 using aidl::android::hardware::audio::common::PlaybackTrackMetadata;
 using aidl::android::hardware::audio::common::RecordTrackMetadata;
 using aidl::android::hardware::audio::common::SinkMetadata;
@@ -60,6 +61,7 @@
 using aidl::android::hardware::audio::core::AudioPatch;
 using aidl::android::hardware::audio::core::AudioRoute;
 using aidl::android::hardware::audio::core::IBluetooth;
+using aidl::android::hardware::audio::core::IBluetoothA2dp;
 using aidl::android::hardware::audio::core::IModule;
 using aidl::android::hardware::audio::core::IStreamCommon;
 using aidl::android::hardware::audio::core::IStreamIn;
@@ -401,8 +403,9 @@
 // Can be used as a base for any test here, does not depend on the fixture GTest parameters.
 class AudioCoreModuleBase {
   public:
-    // The default buffer size is used mostly for negative tests.
+    // Default buffer sizes are used mostly for negative tests.
     static constexpr int kDefaultBufferSizeFrames = 256;
+    static constexpr int kDefaultLargeBufferSizeFrames = 48000;
 
     void SetUpImpl(const std::string& moduleName) {
         ASSERT_NO_FATAL_FAILURE(ConnectToService(moduleName));
@@ -1067,6 +1070,8 @@
         std::shared_ptr<IStreamCommon> common;
         ndk::ScopedAStatus status = stream->getStreamCommon(&common);
         if (!status.isOk()) return status;
+        status = common->prepareToClose();
+        if (!status.isOk()) return status;
         return common->close();
     }
 
@@ -2053,6 +2058,59 @@
                                           &hfpConfig));
 }
 
+class AudioCoreBluetoothA2dp : public AudioCoreModuleBase,
+                               public testing::TestWithParam<std::string> {
+  public:
+    void SetUp() override {
+        ASSERT_NO_FATAL_FAILURE(SetUpImpl(GetParam()));
+        ASSERT_IS_OK(module->getBluetoothA2dp(&bluetooth));
+    }
+
+    void TearDown() override { ASSERT_NO_FATAL_FAILURE(TearDownImpl()); }
+
+    std::shared_ptr<IBluetoothA2dp> bluetooth;
+};
+
+TEST_P(AudioCoreBluetoothA2dp, SameInstance) {
+    if (bluetooth == nullptr) {
+        GTEST_SKIP() << "BluetoothA2dp is not supported";
+    }
+    std::shared_ptr<IBluetoothA2dp> bluetooth2;
+    EXPECT_IS_OK(module->getBluetoothA2dp(&bluetooth2));
+    ASSERT_NE(nullptr, bluetooth2.get());
+    EXPECT_EQ(bluetooth->asBinder(), bluetooth2->asBinder())
+            << "getBluetoothA2dp must return the same interface instance across invocations";
+}
+
+TEST_P(AudioCoreBluetoothA2dp, Enabled) {
+    if (bluetooth == nullptr) {
+        GTEST_SKIP() << "BluetoothA2dp is not supported";
+    }
+    // Since enabling A2DP may require having an actual device connection,
+    // limit testing to setting back the current value.
+    bool enabled;
+    ASSERT_IS_OK(bluetooth->isEnabled(&enabled));
+    EXPECT_IS_OK(bluetooth->setEnabled(enabled))
+            << "setEnabled without actual state change must not fail";
+}
+
+TEST_P(AudioCoreBluetoothA2dp, OffloadReconfiguration) {
+    if (bluetooth == nullptr) {
+        GTEST_SKIP() << "BluetoothA2dp is not supported";
+    }
+    bool isSupported;
+    ASSERT_IS_OK(bluetooth->supportsOffloadReconfiguration(&isSupported));
+    bool isSupported2;
+    ASSERT_IS_OK(bluetooth->supportsOffloadReconfiguration(&isSupported2));
+    EXPECT_EQ(isSupported, isSupported2);
+    if (isSupported) {
+        static const auto kStatuses = {EX_NONE, EX_ILLEGAL_STATE};
+        EXPECT_STATUS(kStatuses, bluetooth->reconfigureOffload({}));
+    } else {
+        EXPECT_STATUS(EX_UNSUPPORTED_OPERATION, bluetooth->reconfigureOffload({}));
+    }
+}
+
 class AudioCoreTelephony : public AudioCoreModuleBase, public testing::TestWithParam<std::string> {
   public:
     void SetUp() override {
@@ -2246,6 +2304,26 @@
                 << "when closing the stream twice";
     }
 
+    void PrepareToCloseTwice() {
+        const auto portConfig = moduleConfig->getSingleConfigForMixPort(IOTraits<Stream>::is_input);
+        if (!portConfig.has_value()) {
+            GTEST_SKIP() << "No mix port for attached devices";
+        }
+        std::shared_ptr<IStreamCommon> heldStreamCommon;
+        {
+            WithStream<Stream> stream(portConfig.value());
+            ASSERT_NO_FATAL_FAILURE(stream.SetUp(module.get(), kDefaultBufferSizeFrames));
+            std::shared_ptr<IStreamCommon> streamCommon;
+            ASSERT_IS_OK(stream.get()->getStreamCommon(&streamCommon));
+            heldStreamCommon = streamCommon;
+            EXPECT_IS_OK(streamCommon->prepareToClose());
+            EXPECT_IS_OK(streamCommon->prepareToClose())
+                    << "when calling prepareToClose second time";
+        }
+        EXPECT_STATUS(EX_ILLEGAL_STATE, heldStreamCommon->prepareToClose())
+                << "when calling prepareToClose on a closed stream";
+    }
+
     void OpenAllConfigs() {
         const auto allPortConfigs =
                 moduleConfig->getPortConfigsForMixPorts(IOTraits<Stream>::is_input);
@@ -2541,6 +2619,7 @@
     }
 
 TEST_IN_AND_OUT_STREAM(CloseTwice);
+TEST_IN_AND_OUT_STREAM(PrepareToCloseTwice);
 TEST_IN_AND_OUT_STREAM(GetStreamCommon);
 TEST_IN_AND_OUT_STREAM(OpenAllConfigs);
 TEST_IN_AND_OUT_STREAM(OpenInvalidBufferSize);
@@ -2696,7 +2775,7 @@
     aidl::android::hardware::audio::core::IModule::OpenOutputStreamArguments args;
     args.portConfigId = portConfig.getId();
     args.sourceMetadata = GenerateSourceMetadata(portConfig.get());
-    args.bufferSizeFrames = kDefaultBufferSizeFrames;
+    args.bufferSizeFrames = kDefaultLargeBufferSizeFrames;
     aidl::android::hardware::audio::core::IModule::OpenOutputStreamReturn ret;
     EXPECT_STATUS(EX_ILLEGAL_ARGUMENT, module->openOutputStream(args, &ret))
             << "when no offload info is provided for a compressed offload mix port";
@@ -2876,7 +2955,7 @@
         const auto portConfig = moduleConfig->getSingleConfigForMixPort(false, port);
         ASSERT_TRUE(portConfig.has_value()) << "No profiles specified for output mix port";
         WithStream<IStreamOut> stream(portConfig.value());
-        ASSERT_NO_FATAL_FAILURE(stream.SetUp(module.get(), kDefaultBufferSizeFrames));
+        ASSERT_NO_FATAL_FAILURE(stream.SetUp(module.get(), kDefaultLargeBufferSizeFrames));
         bool isSupported = false;
         EXPECT_NO_FATAL_FAILURE(TestAccessors<AudioPlaybackRate>(
                 stream.get(), &IStreamOut::getPlaybackRateParameters,
@@ -2901,7 +2980,7 @@
         const auto portConfig = moduleConfig->getSingleConfigForMixPort(false, port);
         ASSERT_TRUE(portConfig.has_value()) << "No profiles specified for output mix port";
         WithStream<IStreamOut> stream(portConfig.value());
-        ASSERT_NO_FATAL_FAILURE(stream.SetUp(module.get(), kDefaultBufferSizeFrames));
+        ASSERT_NO_FATAL_FAILURE(stream.SetUp(module.get(), kDefaultLargeBufferSizeFrames));
         ndk::ScopedAStatus status;
         EXPECT_STATUS(kStatuses, status = stream.get()->selectPresentation(0, 0));
         if (status.getExceptionCode() != EX_UNSUPPORTED_OPERATION) atLeastOneSupports = true;
@@ -2911,6 +2990,33 @@
     }
 }
 
+TEST_P(AudioStreamOut, UpdateOffloadMetadata) {
+    const auto offloadMixPorts =
+            moduleConfig->getOffloadMixPorts(true /*attachedOnly*/, false /*singlePort*/);
+    if (offloadMixPorts.empty()) {
+        GTEST_SKIP()
+                << "No mix port for compressed offload that could be routed to attached devices";
+    }
+    for (const auto& port : offloadMixPorts) {
+        const auto portConfig = moduleConfig->getSingleConfigForMixPort(false, port);
+        ASSERT_TRUE(portConfig.has_value()) << "No profiles specified for output mix port";
+        WithStream<IStreamOut> stream(portConfig.value());
+        ASSERT_NO_FATAL_FAILURE(stream.SetUp(module.get(), kDefaultLargeBufferSizeFrames));
+        AudioOffloadMetadata validMetadata{
+                .sampleRate = portConfig.value().sampleRate.value().value,
+                .channelMask = portConfig.value().channelMask.value(),
+                .averageBitRatePerSecond = 256000,
+                .delayFrames = 0,
+                .paddingFrames = 0};
+        EXPECT_IS_OK(stream.get()->updateOffloadMetadata(validMetadata));
+        AudioOffloadMetadata invalidMetadata{.sampleRate = -1,
+                                             .averageBitRatePerSecond = -1,
+                                             .delayFrames = -1,
+                                             .paddingFrames = -1};
+        EXPECT_STATUS(EX_ILLEGAL_ARGUMENT, stream.get()->updateOffloadMetadata(invalidMetadata));
+    }
+}
+
 class StreamLogicDefaultDriver : public StreamLogicDriver {
   public:
     StreamLogicDefaultDriver(std::shared_ptr<StateSequence> commands, size_t frameSizeBytes)
@@ -3433,6 +3539,10 @@
                          testing::ValuesIn(android::getAidlHalInstanceNames(IModule::descriptor)),
                          android::PrintInstanceNameToString);
 GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(AudioCoreBluetooth);
+INSTANTIATE_TEST_SUITE_P(AudioCoreBluetoothA2dpTest, AudioCoreBluetoothA2dp,
+                         testing::ValuesIn(android::getAidlHalInstanceNames(IModule::descriptor)),
+                         android::PrintInstanceNameToString);
+GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(AudioCoreBluetoothA2dp);
 INSTANTIATE_TEST_SUITE_P(AudioCoreTelephonyTest, AudioCoreTelephony,
                          testing::ValuesIn(android::getAidlHalInstanceNames(IModule::descriptor)),
                          android::PrintInstanceNameToString);
diff --git a/audio/aidl/vts/VtsHalDynamicsProcessingTest.cpp b/audio/aidl/vts/VtsHalDynamicsProcessingTest.cpp
index ece07f0..3e6fa7a 100644
--- a/audio/aidl/vts/VtsHalDynamicsProcessingTest.cpp
+++ b/audio/aidl/vts/VtsHalDynamicsProcessingTest.cpp
@@ -224,7 +224,7 @@
                     dpRef.get<DynamicsProcessing::inputGain>(),
                     dpTest.get<DynamicsProcessing::inputGain>());
         }
-        case DynamicsProcessing::vendorExtension: {
+        case DynamicsProcessing::vendor: {
             return false;
         }
     }
diff --git a/automotive/audiocontrol/aidl/vts/Android.bp b/automotive/audiocontrol/aidl/vts/Android.bp
index a9122ce..cfc2a3e 100644
--- a/automotive/audiocontrol/aidl/vts/Android.bp
+++ b/automotive/audiocontrol/aidl/vts/Android.bp
@@ -25,7 +25,6 @@
     name: "VtsAidlHalAudioControlTest",
     defaults: [
         "latest_android_media_audio_common_types_cpp_static",
-        "latest_android_hardware_audio_common_cpp_static",
         "VtsHalTargetTestDefaults",
         "use_libaidlvintf_gtest_helper_static",
     ],
@@ -40,6 +39,7 @@
     ],
     static_libs: [
         "android.hardware.automotive.audiocontrol-V3-cpp",
+        "android.hardware.audio.common-V1-cpp",
         "libgmock",
     ],
     test_suites: [
diff --git a/automotive/can/1.0/default/libc++fs/src/filesystem/directory_iterator.cpp b/automotive/can/1.0/default/libc++fs/src/filesystem/directory_iterator.cpp
index 624538b..37c863b 100644
--- a/automotive/can/1.0/default/libc++fs/src/filesystem/directory_iterator.cpp
+++ b/automotive/can/1.0/default/libc++fs/src/filesystem/directory_iterator.cpp
@@ -169,8 +169,8 @@
   __dir_stream& operator=(const __dir_stream&) = delete;
 
   __dir_stream(__dir_stream&& other) noexcept : __stream_(other.__stream_),
-                                                __root_(move(other.__root_)),
-                                                __entry_(move(other.__entry_)) {
+                                                __root_(std::move(other.__root_)),
+                                                __entry_(std::move(other.__entry_)) {
     other.__stream_ = nullptr;
   }
 
@@ -252,7 +252,7 @@
 
   error_code m_ec;
   if (!__imp_->advance(m_ec)) {
-    path root = move(__imp_->__root_);
+    path root = std::move(__imp_->__root_);
     __imp_.reset();
     if (m_ec)
       err.report(m_ec, "at root \"%s\"", root);
@@ -286,7 +286,7 @@
 
   __imp_ = make_shared<__shared_imp>();
   __imp_->__options_ = opt;
-  __imp_->__stack_.push(move(new_s));
+  __imp_->__stack_.push(std::move(new_s));
 }
 
 void recursive_directory_iterator::__pop(error_code* ec) {
@@ -340,7 +340,7 @@
   }
 
   if (m_ec) {
-    path root = move(stack.top().__root_);
+    path root = std::move(stack.top().__root_);
     __imp_.reset();
     err.report(m_ec, "at root \"%s\"", root);
   } else {
@@ -374,7 +374,7 @@
   if (!skip_rec) {
     __dir_stream new_it(curr_it.__entry_.path(), __imp_->__options_, m_ec);
     if (new_it.good()) {
-      __imp_->__stack_.push(move(new_it));
+      __imp_->__stack_.push(std::move(new_it));
       return true;
     }
   }
@@ -385,7 +385,7 @@
       if (ec)
         ec->clear();
     } else {
-      path at_ent = move(curr_it.__entry_.__p_);
+      path at_ent = std::move(curr_it.__entry_.__p_);
       __imp_.reset();
       err.report(m_ec, "attempting recursion into \"%s\"", at_ent);
     }
diff --git a/automotive/evs/OWNERS b/automotive/evs/OWNERS
index b973e91..15de48f 100644
--- a/automotive/evs/OWNERS
+++ b/automotive/evs/OWNERS
@@ -1,3 +1,2 @@
 ankitarora@google.com
-changyeon@google.com
 jwhpryor@google.com
diff --git a/automotive/remoteaccess/bind_to_device_socket_mutator/Android.bp b/automotive/remoteaccess/bind_to_device_socket_mutator/Android.bp
new file mode 100644
index 0000000..113b14e
--- /dev/null
+++ b/automotive/remoteaccess/bind_to_device_socket_mutator/Android.bp
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package {
+    default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
+cc_defaults {
+    name: "BindToDeviceSocketMutatorDefaults",
+    static_libs: [
+        "android.hardware.automotive.can@libnetdevice",
+        "libnl++",
+    ],
+    shared_libs: [
+        "libbase",
+        "liblog",
+        "libgrpc++",
+    ],
+    cflags: [
+        "-Wno-unused-parameter",
+    ],
+}
+
+cc_library {
+    name: "BindToDeviceSocketMutatorLib",
+    vendor_available: true,
+    srcs: ["src/*"],
+    export_include_dirs: ["include"],
+    defaults: ["BindToDeviceSocketMutatorDefaults"],
+}
diff --git a/automotive/remoteaccess/bind_to_device_socket_mutator/include/BindToDeviceSocketMutator.h b/automotive/remoteaccess/bind_to_device_socket_mutator/include/BindToDeviceSocketMutator.h
new file mode 100644
index 0000000..bafcc65
--- /dev/null
+++ b/automotive/remoteaccess/bind_to_device_socket_mutator/include/BindToDeviceSocketMutator.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <grpc++/grpc++.h>
+#include <src/core/lib/iomgr/socket_mutator.h>
+#include <string>
+
+namespace android::hardware::automotive::remoteaccess {
+
+class BindToDeviceSocketMutator final : public grpc_socket_mutator {
+  public:
+    BindToDeviceSocketMutator(const std::string_view& interface_name);
+
+    bool mutateFd(int fd);
+
+  private:
+    std::string mIfname;
+};
+
+}  // namespace android::hardware::automotive::remoteaccess
diff --git a/automotive/remoteaccess/bind_to_device_socket_mutator/src/BindToDeviceSocketMutator.cpp b/automotive/remoteaccess/bind_to_device_socket_mutator/src/BindToDeviceSocketMutator.cpp
new file mode 100644
index 0000000..c6a96de
--- /dev/null
+++ b/automotive/remoteaccess/bind_to_device_socket_mutator/src/BindToDeviceSocketMutator.cpp
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "BindToDeviceSocketMutator.h"
+
+#include <android-base/logging.h>
+#include <errno.h>
+#include <sys/socket.h>
+
+namespace android::hardware::automotive::remoteaccess {
+
+bool BindToDeviceSocketMutator::mutateFd(int fd) {
+    int ret = setsockopt(fd, SOL_SOCKET, SO_BINDTODEVICE, mIfname.c_str(), mIfname.size());
+    if (ret != 0) {
+        PLOG(ERROR) << "Can't bind socket to interface " << mIfname;
+        return false;
+    }
+    return true;
+}
+
+bool bind_to_device_mutator_mutate_fd(int fd, grpc_socket_mutator* mutator) {
+    BindToDeviceSocketMutator* bsm = (BindToDeviceSocketMutator*)mutator;
+    return bsm->mutateFd(fd);
+}
+
+int bind_to_device_mutator_compare(grpc_socket_mutator* a, grpc_socket_mutator* b) {
+    return ((a) < (b) ? -1 : ((a) > (b) ? 1 : 0));
+}
+
+void bind_to_device_mutator_destroy(grpc_socket_mutator* mutator) {
+    BindToDeviceSocketMutator* bsm = (BindToDeviceSocketMutator*)mutator;
+    delete bsm;
+}
+
+grpc_socket_mutator_vtable bind_to_device_mutator_vtable = {bind_to_device_mutator_mutate_fd,
+                                                            bind_to_device_mutator_compare,
+                                                            bind_to_device_mutator_destroy};
+
+BindToDeviceSocketMutator::BindToDeviceSocketMutator(const std::string_view& interface_name) {
+    mIfname = interface_name;
+    grpc_socket_mutator_init(this, &bind_to_device_mutator_vtable);
+}
+
+}  // namespace android::hardware::automotive::remoteaccess
diff --git a/automotive/remoteaccess/hal/default/Android.bp b/automotive/remoteaccess/hal/default/Android.bp
index f27b8f8..0155667 100644
--- a/automotive/remoteaccess/hal/default/Android.bp
+++ b/automotive/remoteaccess/hal/default/Android.bp
@@ -22,22 +22,27 @@
     name: "remote-access-hal-defaults",
     vendor: true,
     relative_install_path: "hw",
-    srcs: ["src/RemoteAccessImpl.cpp"],
+    srcs: [
+        "src/RemoteAccessImpl.cpp",
+    ],
     whole_static_libs: [
         "RemoteAccessService",
     ],
+    static_libs: [
+        "BindToDeviceSocketMutatorLib",
+    ],
     shared_libs: [
-        "libbase",
         "libbinder_ndk",
-        "liblog",
         "libutils",
-        "libgrpc++",
         "libprotobuf-cpp-full",
     ],
     defaults: [
         "vhalclient_defaults",
+        "BindToDeviceSocketMutatorDefaults",
     ],
     cflags: [
+        // This is already included in BindToDeviceSocketMutatorDefaults but
+        // might be overridden by vhalclient_defaults.
         "-Wno-unused-parameter",
     ],
 }
@@ -59,6 +64,7 @@
     init_rc: ["remoteaccess-tcu-test-service.rc"],
     cflags: [
         "-DGRPC_SERVICE_ADDRESS=\"10.10.10.1:50051\"",
+        "-DGRPC_SERVICE_IFNAME=\"eth1\"",
     ],
 }
 
diff --git a/automotive/remoteaccess/hal/default/src/RemoteAccessImpl.cpp b/automotive/remoteaccess/hal/default/src/RemoteAccessImpl.cpp
index 8720c2f..d525141 100644
--- a/automotive/remoteaccess/hal/default/src/RemoteAccessImpl.cpp
+++ b/automotive/remoteaccess/hal/default/src/RemoteAccessImpl.cpp
@@ -18,45 +18,60 @@
 
 #include "RemoteAccessService.h"
 
+#include "BindToDeviceSocketMutator.h"
+
+#include <android-base/logging.h>
 #include <android/binder_manager.h>
 #include <android/binder_process.h>
 #include <grpcpp/create_channel.h>
+#include <libnetdevice/libnetdevice.h>
 #include <stdlib.h>
-#include <utils/Log.h>
 
 constexpr char SERVICE_NAME[] = "android.hardware.automotive.remoteaccess.IRemoteAccess/default";
 
 int main(int /* argc */, char* /* argv */[]) {
-    ALOGI("Registering RemoteAccessService as service...");
+    LOG(INFO) << "Registering RemoteAccessService as service...";
 
 #ifndef GRPC_SERVICE_ADDRESS
-    ALOGE("GRPC_SERVICE_ADDRESS is not defined, exiting");
+    LOG(ERROR) << "GRPC_SERVICE_ADDRESS is not defined, exiting";
     exit(1);
 #endif
-    auto channel = grpc::CreateChannel(GRPC_SERVICE_ADDRESS, grpc::InsecureChannelCredentials());
+    grpc::ChannelArguments grpcargs = {};
+
+#ifdef GRPC_SERVICE_IFNAME
+    grpcargs.SetSocketMutator(
+            new android::hardware::automotive::remoteaccess::BindToDeviceSocketMutator(
+                    GRPC_SERVICE_IFNAME));
+    LOG(DEBUG) << "GRPC_SERVICE_IFNAME specified as: " << GRPC_SERVICE_IFNAME;
+    LOG(INFO) << "Waiting for interface: " << GRPC_SERVICE_IFNAME;
+    android::netdevice::waitFor({GRPC_SERVICE_IFNAME},
+                                android::netdevice::WaitCondition::PRESENT_AND_UP);
+    LOG(INFO) << "Waiting for interface: " << GRPC_SERVICE_IFNAME << " done";
+#endif
+    auto channel = grpc::CreateCustomChannel(GRPC_SERVICE_ADDRESS,
+                                             grpc::InsecureChannelCredentials(), grpcargs);
     auto clientStub = android::hardware::automotive::remoteaccess::WakeupClient::NewStub(channel);
     auto service = ndk::SharedRefBase::make<
             android::hardware::automotive::remoteaccess::RemoteAccessService>(clientStub.get());
 
     binder_exception_t err = AServiceManager_addService(service->asBinder().get(), SERVICE_NAME);
     if (err != EX_NONE) {
-        ALOGE("failed to register android.hardware.automotive.remote.IRemoteAccess service, "
-              "exception: %d",
-              err);
+        LOG(ERROR) << "failed to register android.hardware.automotive.remote.IRemoteAccess service"
+                   << ", exception: " << err;
         exit(1);
     }
 
     if (!ABinderProcess_setThreadPoolMaxThreadCount(1)) {
-        ALOGE("%s", "failed to set thread pool max thread count");
+        LOG(ERROR) << "failed to set thread pool max thread count";
         exit(1);
     }
     ABinderProcess_startThreadPool();
 
-    ALOGI("RemoteAccess service Ready");
+    LOG(INFO) << "RemoteAccess service Ready";
 
     ABinderProcess_joinThreadPool();
 
-    ALOGW("Should not reach here");
+    LOG(ERROR) << "Should not reach here";
 
     return 0;
 }
diff --git a/automotive/vehicle/2.0/types.hal b/automotive/vehicle/2.0/types.hal
index 83b0d94..00d0452 100644
--- a/automotive/vehicle/2.0/types.hal
+++ b/automotive/vehicle/2.0/types.hal
@@ -829,10 +829,10 @@
     /*
      * HVAC Properties
      *
-     * Additional rules for mapping a zoned HVAC property (except
-     * HVAC_MAX_DEFROST_ON) to AreaIDs:
-     *  - Every seat in VehicleAreaSeat that is available in the car, must be
-     *    part of an AreaID in the AreaID array.
+     * Additional rules for mapping non-GLOBAL VehicleArea type HVAC properties
+     * to AreaIDs:
+     *  - Every “area” for a specific VehicleArea type that is affected by the
+     *    property, must be included in an area ID for that property.
      *
      * Example 1: A car has two front seats (ROW_1_LEFT, ROW_1_RIGHT) and three
      *  back seats (ROW_2_LEFT, ROW_2_CENTER, ROW_2_RIGHT). There are two
@@ -860,6 +860,16 @@
      *     - ROW_1_LEFT
      *     - ROW_1_RIGHT
      *     - ROW_2_LEFT | ROW_2_CENTER | ROW_2_RIGHT | ROW_3_LEFT | ROW_3_CENTER | ROW_3_RIGHT
+     *
+     * Example 3: A car has two front seats (ROW_1_LEFT, ROW_1_RIGHT) and three
+     *  back seats (ROW_2_LEFT, ROW_2_CENTER, ROW_2_RIGHT). Suppose the car
+     *  supports HVAC_AUTO_ON for just the two front seats.
+     *   - A valid mapping set of AreaIDs for HVAC_AUTO_ON would be:
+     *      - ROW_1_LEFT | ROW_1_RIGHT
+     *   - If HVAC_AUTO_ON had two separate control units for the driver side
+     *     and passenger side, an alternative mapping would be:
+     *      - ROW_1_LEFT
+     *      - ROW_1_RIGHT
      */
 
     /**
diff --git a/automotive/vehicle/aidl/generated_lib/cpp/AccessForVehicleProperty.h b/automotive/vehicle/aidl/generated_lib/cpp/AccessForVehicleProperty.h
index a3b79e8..c8a36b8 100644
--- a/automotive/vehicle/aidl/generated_lib/cpp/AccessForVehicleProperty.h
+++ b/automotive/vehicle/aidl/generated_lib/cpp/AccessForVehicleProperty.h
@@ -191,6 +191,7 @@
         {VehicleProperty::GLOVE_BOX_DOOR_POS, VehiclePropertyAccess::READ_WRITE},
         {VehicleProperty::GLOVE_BOX_LOCKED, VehiclePropertyAccess::READ_WRITE},
         {VehicleProperty::VEHICLE_MAP_SERVICE, VehiclePropertyAccess::READ_WRITE},
+        {VehicleProperty::LOCATION_CHARACTERIZATION, VehiclePropertyAccess::READ},
         {VehicleProperty::OBD2_LIVE_FRAME, VehiclePropertyAccess::READ},
         {VehicleProperty::OBD2_FREEZE_FRAME, VehiclePropertyAccess::READ},
         {VehicleProperty::OBD2_FREEZE_FRAME_INFO, VehiclePropertyAccess::READ},
diff --git a/automotive/vehicle/aidl/generated_lib/cpp/ChangeModeForVehicleProperty.h b/automotive/vehicle/aidl/generated_lib/cpp/ChangeModeForVehicleProperty.h
index 9d2cd7f..bea5002 100644
--- a/automotive/vehicle/aidl/generated_lib/cpp/ChangeModeForVehicleProperty.h
+++ b/automotive/vehicle/aidl/generated_lib/cpp/ChangeModeForVehicleProperty.h
@@ -191,6 +191,7 @@
         {VehicleProperty::GLOVE_BOX_DOOR_POS, VehiclePropertyChangeMode::ON_CHANGE},
         {VehicleProperty::GLOVE_BOX_LOCKED, VehiclePropertyChangeMode::ON_CHANGE},
         {VehicleProperty::VEHICLE_MAP_SERVICE, VehiclePropertyChangeMode::ON_CHANGE},
+        {VehicleProperty::LOCATION_CHARACTERIZATION, VehiclePropertyChangeMode::STATIC},
         {VehicleProperty::OBD2_LIVE_FRAME, VehiclePropertyChangeMode::ON_CHANGE},
         {VehicleProperty::OBD2_FREEZE_FRAME, VehiclePropertyChangeMode::ON_CHANGE},
         {VehicleProperty::OBD2_FREEZE_FRAME_INFO, VehiclePropertyChangeMode::ON_CHANGE},
diff --git a/automotive/vehicle/aidl/generated_lib/java/AccessForVehicleProperty.java b/automotive/vehicle/aidl/generated_lib/java/AccessForVehicleProperty.java
index 2f45a23..ee214ef 100644
--- a/automotive/vehicle/aidl/generated_lib/java/AccessForVehicleProperty.java
+++ b/automotive/vehicle/aidl/generated_lib/java/AccessForVehicleProperty.java
@@ -183,6 +183,7 @@
         Map.entry(VehicleProperty.GLOVE_BOX_DOOR_POS, VehiclePropertyAccess.READ_WRITE),
         Map.entry(VehicleProperty.GLOVE_BOX_LOCKED, VehiclePropertyAccess.READ_WRITE),
         Map.entry(VehicleProperty.VEHICLE_MAP_SERVICE, VehiclePropertyAccess.READ_WRITE),
+        Map.entry(VehicleProperty.LOCATION_CHARACTERIZATION, VehiclePropertyAccess.READ),
         Map.entry(VehicleProperty.OBD2_LIVE_FRAME, VehiclePropertyAccess.READ),
         Map.entry(VehicleProperty.OBD2_FREEZE_FRAME, VehiclePropertyAccess.READ),
         Map.entry(VehicleProperty.OBD2_FREEZE_FRAME_INFO, VehiclePropertyAccess.READ),
diff --git a/automotive/vehicle/aidl/generated_lib/java/ChangeModeForVehicleProperty.java b/automotive/vehicle/aidl/generated_lib/java/ChangeModeForVehicleProperty.java
index fef80d2..d3cf71e 100644
--- a/automotive/vehicle/aidl/generated_lib/java/ChangeModeForVehicleProperty.java
+++ b/automotive/vehicle/aidl/generated_lib/java/ChangeModeForVehicleProperty.java
@@ -183,6 +183,7 @@
         Map.entry(VehicleProperty.GLOVE_BOX_DOOR_POS, VehiclePropertyChangeMode.ON_CHANGE),
         Map.entry(VehicleProperty.GLOVE_BOX_LOCKED, VehiclePropertyChangeMode.ON_CHANGE),
         Map.entry(VehicleProperty.VEHICLE_MAP_SERVICE, VehiclePropertyChangeMode.ON_CHANGE),
+        Map.entry(VehicleProperty.LOCATION_CHARACTERIZATION, VehiclePropertyChangeMode.STATIC),
         Map.entry(VehicleProperty.OBD2_LIVE_FRAME, VehiclePropertyChangeMode.ON_CHANGE),
         Map.entry(VehicleProperty.OBD2_FREEZE_FRAME, VehiclePropertyChangeMode.ON_CHANGE),
         Map.entry(VehicleProperty.OBD2_FREEZE_FRAME_INFO, VehiclePropertyChangeMode.ON_CHANGE),
diff --git a/automotive/vehicle/aidl/impl/default_config/JsonConfigLoader/src/JsonConfigLoader.cpp b/automotive/vehicle/aidl/impl/default_config/JsonConfigLoader/src/JsonConfigLoader.cpp
index a651178..d921079 100644
--- a/automotive/vehicle/aidl/impl/default_config/JsonConfigLoader/src/JsonConfigLoader.cpp
+++ b/automotive/vehicle/aidl/impl/default_config/JsonConfigLoader/src/JsonConfigLoader.cpp
@@ -57,6 +57,7 @@
 using ::aidl::android::hardware::automotive::vehicle::LaneCenteringAssistState;
 using ::aidl::android::hardware::automotive::vehicle::LaneDepartureWarningState;
 using ::aidl::android::hardware::automotive::vehicle::LaneKeepAssistState;
+using ::aidl::android::hardware::automotive::vehicle::LocationCharacterization;
 using ::aidl::android::hardware::automotive::vehicle::RawPropValues;
 using ::aidl::android::hardware::automotive::vehicle::VehicleApPowerStateReport;
 using ::aidl::android::hardware::automotive::vehicle::VehicleApPowerStateReq;
@@ -200,6 +201,8 @@
             std::make_unique<ConstantParser<VehiclePropertyAccess>>();
     mConstantParsersByType["VehiclePropertyChangeMode"] =
             std::make_unique<ConstantParser<VehiclePropertyChangeMode>>();
+    mConstantParsersByType["LocationCharacterization"] =
+            std::make_unique<ConstantParser<LocationCharacterization>>();
     mConstantParsersByType["VehicleGear"] = std::make_unique<ConstantParser<VehicleGear>>();
     mConstantParsersByType["VehicleAreaWindow"] =
             std::make_unique<ConstantParser<VehicleAreaWindow>>();
diff --git a/automotive/vehicle/aidl/impl/default_config/config/DefaultProperties.json b/automotive/vehicle/aidl/impl/default_config/config/DefaultProperties.json
index 8bcb1cc..5d15f32 100644
--- a/automotive/vehicle/aidl/impl/default_config/config/DefaultProperties.json
+++ b/automotive/vehicle/aidl/impl/default_config/config/DefaultProperties.json
@@ -3130,6 +3130,14 @@
             "property": "VehicleProperty::VEHICLE_MAP_SERVICE"
         },
         {
+            "property": "VehicleProperty::LOCATION_CHARACTERIZATION",
+            "defaultValue": {
+                "int32Values": [
+                    "LocationCharacterization::RAW_GNSS_ONLY"
+                ]
+            }
+        },
+        {
             "property": "VehicleProperty::ELECTRONIC_TOLL_COLLECTION_CARD_TYPE",
             "defaultValue": {
                 "int32Values": [
diff --git a/automotive/vehicle/aidl/impl/fake_impl/hardware/src/FakeVehicleHardware.cpp b/automotive/vehicle/aidl/impl/fake_impl/hardware/src/FakeVehicleHardware.cpp
index 00ebdda..7b4fa16 100644
--- a/automotive/vehicle/aidl/impl/fake_impl/hardware/src/FakeVehicleHardware.cpp
+++ b/automotive/vehicle/aidl/impl/fake_impl/hardware/src/FakeVehicleHardware.cpp
@@ -15,6 +15,7 @@
  */
 
 #define LOG_TAG "FakeVehicleHardware"
+#define ATRACE_TAG ATRACE_TAG_HAL
 #define FAKE_VEHICLEHARDWARE_DEBUG false  // STOPSHIP if true.
 
 #include "FakeVehicleHardware.h"
@@ -33,6 +34,7 @@
 #include <android-base/strings.h>
 #include <utils/Log.h>
 #include <utils/SystemClock.h>
+#include <utils/Trace.h>
 
 #include <dirent.h>
 #include <inttypes.h>
@@ -1628,11 +1630,15 @@
     std::unordered_map<std::shared_ptr<const GetValuesCallback>, std::vector<GetValueResult>>
             callbackToResults;
     for (const auto& rwc : mRequests.flush()) {
+        ATRACE_BEGIN("FakeVehicleHardware:handleGetValueRequest");
         auto result = mHardware->handleGetValueRequest(rwc.request);
+        ATRACE_END();
         callbackToResults[rwc.callback].push_back(std::move(result));
     }
     for (const auto& [callback, results] : callbackToResults) {
+        ATRACE_BEGIN("FakeVehicleHardware:call get value result callback");
         (*callback)(std::move(results));
+        ATRACE_END();
     }
 }
 
@@ -1642,11 +1648,15 @@
     std::unordered_map<std::shared_ptr<const SetValuesCallback>, std::vector<SetValueResult>>
             callbackToResults;
     for (const auto& rwc : mRequests.flush()) {
+        ATRACE_BEGIN("FakeVehicleHardware:handleSetValueRequest");
         auto result = mHardware->handleSetValueRequest(rwc.request);
+        ATRACE_END();
         callbackToResults[rwc.callback].push_back(std::move(result));
     }
     for (const auto& [callback, results] : callbackToResults) {
+        ATRACE_BEGIN("FakeVehicleHardware:call set value result callback");
         (*callback)(std::move(results));
+        ATRACE_END();
     }
 }
 
diff --git a/automotive/vehicle/aidl/impl/utils/common/include/VehicleHalTypes.h b/automotive/vehicle/aidl/impl/utils/common/include/VehicleHalTypes.h
index fc0c8db..7db4246 100644
--- a/automotive/vehicle/aidl/impl/utils/common/include/VehicleHalTypes.h
+++ b/automotive/vehicle/aidl/impl/utils/common/include/VehicleHalTypes.h
@@ -44,6 +44,7 @@
 #include <aidl/android/hardware/automotive/vehicle/LaneCenteringAssistState.h>
 #include <aidl/android/hardware/automotive/vehicle/LaneDepartureWarningState.h>
 #include <aidl/android/hardware/automotive/vehicle/LaneKeepAssistState.h>
+#include <aidl/android/hardware/automotive/vehicle/LocationCharacterization.h>
 #include <aidl/android/hardware/automotive/vehicle/Obd2CommonIgnitionMonitors.h>
 #include <aidl/android/hardware/automotive/vehicle/Obd2FuelSystemStatus.h>
 #include <aidl/android/hardware/automotive/vehicle/Obd2FuelType.h>
diff --git a/automotive/vehicle/aidl/impl/vhal/src/DefaultVehicleHal.cpp b/automotive/vehicle/aidl/impl/vhal/src/DefaultVehicleHal.cpp
index 4a4e023..a7ac1b4 100644
--- a/automotive/vehicle/aidl/impl/vhal/src/DefaultVehicleHal.cpp
+++ b/automotive/vehicle/aidl/impl/vhal/src/DefaultVehicleHal.cpp
@@ -15,6 +15,7 @@
  */
 
 #define LOG_TAG "DefaultVehicleHal"
+#define ATRACE_TAG ATRACE_TAG_HAL
 
 #include <DefaultVehicleHal.h>
 
@@ -28,6 +29,7 @@
 #include <private/android_filesystem_config.h>
 #include <utils/Log.h>
 #include <utils/SystemClock.h>
+#include <utils/Trace.h>
 
 #include <inttypes.h>
 #include <set>
@@ -350,6 +352,7 @@
 
 ScopedAStatus DefaultVehicleHal::getValues(const CallbackType& callback,
                                            const GetValueRequests& requests) {
+    ATRACE_CALL();
     if (callback == nullptr) {
         return ScopedAStatus::fromExceptionCode(EX_NULL_POINTER);
     }
@@ -436,6 +439,7 @@
 
 ScopedAStatus DefaultVehicleHal::setValues(const CallbackType& callback,
                                            const SetValueRequests& requests) {
+    ATRACE_CALL();
     if (callback == nullptr) {
         return ScopedAStatus::fromExceptionCode(EX_NULL_POINTER);
     }
diff --git a/automotive/vehicle/aidl/impl/vhal/test/DefaultVehicleHalTest.cpp b/automotive/vehicle/aidl/impl/vhal/test/DefaultVehicleHalTest.cpp
index 36fa5e6..05e569a 100644
--- a/automotive/vehicle/aidl/impl/vhal/test/DefaultVehicleHalTest.cpp
+++ b/automotive/vehicle/aidl/impl/vhal/test/DefaultVehicleHalTest.cpp
@@ -671,8 +671,8 @@
 }
 
 TEST_F(DefaultVehicleHalTest, testGetValuesFinishBeforeTimeout) {
-    // timeout: 0.1s
-    int64_t timeout = 100000000;
+    // timeout: 1s
+    int64_t timeout = 1000000000;
     setTimeout(timeout);
 
     GetValueRequests requests;
@@ -681,17 +681,15 @@
 
     ASSERT_TRUE(getValuesTestCases(10, requests, expectedResults, expectedHardwareRequests).ok());
 
-    // The response would be returned after 0.05s.
-    getHardware()->setSleepTime(timeout / 2);
+    // The response would be returned after 0.01s.
+    getHardware()->setSleepTime(timeout / 100);
     getHardware()->addGetValueResponses(expectedResults);
 
     auto status = getClient()->getValues(getCallbackClient(), requests);
 
     ASSERT_TRUE(status.isOk()) << "getValues failed: " << status.getMessage();
 
-    // Wait for the response.
-    std::this_thread::sleep_for(std::chrono::nanoseconds(timeout));
-
+    ASSERT_TRUE(getCallback()->waitForGetValueResults(1, timeout)) << "no results in callback";
     auto maybeGetValueResults = getCallback()->nextGetValueResults();
     ASSERT_TRUE(maybeGetValueResults.has_value()) << "no results in callback";
     EXPECT_EQ(maybeGetValueResults.value().payloads, expectedResults) << "results mismatch";
@@ -699,8 +697,8 @@
 }
 
 TEST_F(DefaultVehicleHalTest, testGetValuesFinishAfterTimeout) {
-    // timeout: 0.1s
-    int64_t timeout = 100000000;
+    // timeout: 0.01s
+    int64_t timeout = 10000000;
     setTimeout(timeout);
 
     GetValueRequests requests;
@@ -709,17 +707,14 @@
 
     ASSERT_TRUE(getValuesTestCases(10, requests, expectedResults, expectedHardwareRequests).ok());
 
-    // The response would be returned after 0.2s.
-    getHardware()->setSleepTime(timeout * 2);
+    // The response would be returned after 0.1s.
+    getHardware()->setSleepTime(timeout * 10);
     getHardware()->addGetValueResponses(expectedResults);
 
     auto status = getClient()->getValues(getCallbackClient(), requests);
 
     ASSERT_TRUE(status.isOk()) << "getValues failed: " << status.getMessage();
 
-    // Wait for the response.
-    std::this_thread::sleep_for(std::chrono::nanoseconds(timeout * 5));
-
     for (size_t i = 0; i < expectedResults.size(); i++) {
         expectedResults[i] = {
                 .requestId = expectedResults[i].requestId,
@@ -728,6 +723,8 @@
         };
     }
 
+    ASSERT_TRUE(getCallback()->waitForGetValueResults(1, timeout * 100))
+            << "no results in callback";
     auto maybeGetValueResults = getCallback()->nextGetValueResults();
     ASSERT_TRUE(maybeGetValueResults.has_value()) << "no results in callback";
     ASSERT_THAT(maybeGetValueResults.value().payloads, UnorderedElementsAreArray(expectedResults))
@@ -960,8 +957,8 @@
 }
 
 TEST_F(DefaultVehicleHalTest, testSetValuesFinishBeforeTimeout) {
-    // timeout: 0.1s
-    int64_t timeout = 100000000;
+    // timeout: 1s
+    int64_t timeout = 1000000000;
     setTimeout(timeout);
 
     SetValueRequests requests;
@@ -970,17 +967,15 @@
 
     ASSERT_TRUE(setValuesTestCases(10, requests, expectedResults, expectedHardwareRequests).ok());
 
-    // The response would be returned after 0.05s.
-    getHardware()->setSleepTime(timeout / 2);
+    // The response would be returned after 0.01s.
+    getHardware()->setSleepTime(timeout / 100);
     getHardware()->addSetValueResponses(expectedResults);
 
     auto status = getClient()->setValues(getCallbackClient(), requests);
 
     ASSERT_TRUE(status.isOk()) << "setValues failed: " << status.getMessage();
 
-    // Wait for the response.
-    std::this_thread::sleep_for(std::chrono::nanoseconds(timeout));
-
+    ASSERT_TRUE(getCallback()->waitForSetValueResults(1, timeout)) << "no set value results";
     auto maybeSetValueResults = getCallback()->nextSetValueResults();
     ASSERT_TRUE(maybeSetValueResults.has_value()) << "no results in callback";
     EXPECT_EQ(maybeSetValueResults.value().payloads, expectedResults) << "results mismatch";
@@ -988,8 +983,8 @@
 }
 
 TEST_F(DefaultVehicleHalTest, testSetValuesFinishAfterTimeout) {
-    // timeout: 0.1s
-    int64_t timeout = 100000000;
+    // timeout: 0.01s
+    int64_t timeout = 10000000;
     setTimeout(timeout);
 
     SetValueRequests requests;
@@ -998,17 +993,14 @@
 
     ASSERT_TRUE(setValuesTestCases(10, requests, expectedResults, expectedHardwareRequests).ok());
 
-    // The response would be returned after 0.2s.
-    getHardware()->setSleepTime(timeout * 2);
+    // The response would be returned after 0.1s.
+    getHardware()->setSleepTime(timeout * 10);
     getHardware()->addSetValueResponses(expectedResults);
 
     auto status = getClient()->setValues(getCallbackClient(), requests);
 
     ASSERT_TRUE(status.isOk()) << "setValues failed: " << status.getMessage();
 
-    // Wait for the response.
-    std::this_thread::sleep_for(std::chrono::nanoseconds(timeout * 5));
-
     for (size_t i = 0; i < expectedResults.size(); i++) {
         expectedResults[i] = {
                 .requestId = expectedResults[i].requestId,
@@ -1016,6 +1008,7 @@
         };
     }
 
+    ASSERT_TRUE(getCallback()->waitForSetValueResults(1, timeout * 100)) << "no set value results";
     auto maybeSetValueResults = getCallback()->nextSetValueResults();
     ASSERT_TRUE(maybeSetValueResults.has_value()) << "no results in callback";
     ASSERT_THAT(maybeSetValueResults.value().payloads, UnorderedElementsAreArray(expectedResults))
@@ -1456,7 +1449,7 @@
     std::vector<SubscribeOptions> options = {
             {
                     .propId = GLOBAL_CONTINUOUS_PROP,
-                    .sampleRate = 20.0,
+                    .sampleRate = 100.0,
             },
     };
 
@@ -1469,16 +1462,20 @@
 
     ASSERT_TRUE(status.isOk()) << "unsubscribe failed: " << status.getMessage();
 
+    // Wait for the last events to come.
+    std::this_thread::sleep_for(std::chrono::milliseconds(100));
+
     // Clear existing events.
     while (getCallback()->nextOnPropertyEventResults().has_value()) {
         // Do nothing.
     }
 
-    // Wait for a while, make sure no new events are generated.
+    // Wait for a while, make sure no new events are generated. If still subscribed, this should
+    // generate around 10 events.
     std::this_thread::sleep_for(std::chrono::milliseconds(100));
 
-    ASSERT_FALSE(getCallback()->nextOnPropertyEventResults().has_value())
-            << "No property event should be generated after unsubscription";
+    ASSERT_EQ(getCallback()->countOnPropertyEventResults(), 0u)
+            << "Property event generation must stop after unsubscription";
 }
 
 class SubscribeInvalidOptionsTest
diff --git a/automotive/vehicle/aidl/impl/vhal/test/MockVehicleCallback.cpp b/automotive/vehicle/aidl/impl/vhal/test/MockVehicleCallback.cpp
index 0e46357..f51ce5c 100644
--- a/automotive/vehicle/aidl/impl/vhal/test/MockVehicleCallback.cpp
+++ b/automotive/vehicle/aidl/impl/vhal/test/MockVehicleCallback.cpp
@@ -16,6 +16,9 @@
 
 #include "MockVehicleCallback.h"
 
+#include <android-base/thread_annotations.h>
+#include <chrono>
+
 namespace android {
 namespace hardware {
 namespace automotive {
@@ -27,6 +30,7 @@
 using ::aidl::android::hardware::automotive::vehicle::SetValueResults;
 using ::aidl::android::hardware::automotive::vehicle::VehiclePropErrors;
 using ::aidl::android::hardware::automotive::vehicle::VehiclePropValues;
+using ::android::base::ScopedLockAssertion;
 using ::ndk::ScopedAStatus;
 using ::ndk::ScopedFileDescriptor;
 
@@ -46,21 +50,35 @@
 }  // namespace
 
 ScopedAStatus MockVehicleCallback::onGetValues(const GetValueResults& results) {
-    std::scoped_lock<std::mutex> lockGuard(mLock);
-    return storeResults(results, &mGetValueResults);
+    ScopedAStatus result;
+    {
+        std::scoped_lock<std::mutex> lockGuard(mLock);
+        result = storeResults(results, &mGetValueResults);
+    }
+    mCond.notify_all();
+    return result;
 }
 
 ScopedAStatus MockVehicleCallback::onSetValues(const SetValueResults& results) {
-    std::scoped_lock<std::mutex> lockGuard(mLock);
-    return storeResults(results, &mSetValueResults);
+    ScopedAStatus result;
+    {
+        std::scoped_lock<std::mutex> lockGuard(mLock);
+        result = storeResults(results, &mSetValueResults);
+    }
+    mCond.notify_all();
+    return result;
 }
 
 ScopedAStatus MockVehicleCallback::onPropertyEvent(const VehiclePropValues& results,
                                                    int32_t sharedMemoryFileCount) {
-    std::scoped_lock<std::mutex> lockGuard(mLock);
-
-    mSharedMemoryFileCount = sharedMemoryFileCount;
-    return storeResults(results, &mOnPropertyEventResults);
+    ScopedAStatus result;
+    {
+        std::scoped_lock<std::mutex> lockGuard(mLock);
+        mSharedMemoryFileCount = sharedMemoryFileCount;
+        result = storeResults(results, &mOnPropertyEventResults);
+    }
+    mCond.notify_all();
+    return result;
 }
 
 ScopedAStatus MockVehicleCallback::onPropertySetError(const VehiclePropErrors&) {
@@ -87,6 +105,22 @@
     return mOnPropertyEventResults.size();
 }
 
+bool MockVehicleCallback::waitForSetValueResults(size_t size, size_t timeoutInNano) {
+    std::unique_lock lk(mLock);
+    return mCond.wait_for(lk, std::chrono::nanoseconds(timeoutInNano), [this, size] {
+        ScopedLockAssertion lockAssertion(mLock);
+        return mSetValueResults.size() >= size;
+    });
+}
+
+bool MockVehicleCallback::waitForGetValueResults(size_t size, size_t timeoutInNano) {
+    std::unique_lock lk(mLock);
+    return mCond.wait_for(lk, std::chrono::nanoseconds(timeoutInNano), [this, size] {
+        ScopedLockAssertion lockAssertion(mLock);
+        return mGetValueResults.size() >= size;
+    });
+}
+
 }  // namespace vehicle
 }  // namespace automotive
 }  // namespace hardware
diff --git a/automotive/vehicle/aidl/impl/vhal/test/MockVehicleCallback.h b/automotive/vehicle/aidl/impl/vhal/test/MockVehicleCallback.h
index 0faaa1f..f17b273 100644
--- a/automotive/vehicle/aidl/impl/vhal/test/MockVehicleCallback.h
+++ b/automotive/vehicle/aidl/impl/vhal/test/MockVehicleCallback.h
@@ -22,6 +22,7 @@
 #include <aidl/android/hardware/automotive/vehicle/BnVehicleCallback.h>
 #include <android-base/thread_annotations.h>
 
+#include <condition_variable>
 #include <list>
 #include <mutex>
 #include <optional>
@@ -63,9 +64,12 @@
     std::optional<aidl::android::hardware::automotive::vehicle::VehiclePropValues>
     nextOnPropertyEventResults();
     size_t countOnPropertyEventResults();
+    bool waitForSetValueResults(size_t size, size_t timeoutInNano);
+    bool waitForGetValueResults(size_t size, size_t timeoutInNano);
 
   private:
     std::mutex mLock;
+    std::condition_variable mCond;
     std::list<aidl::android::hardware::automotive::vehicle::GetValueResults> mGetValueResults
             GUARDED_BY(mLock);
     std::list<aidl::android::hardware::automotive::vehicle::SetValueResults> mSetValueResults
diff --git a/automotive/vehicle/aidl/impl/vhal/test/SubscriptionManagerTest.cpp b/automotive/vehicle/aidl/impl/vhal/test/SubscriptionManagerTest.cpp
index eb3c663..cb8c8d1 100644
--- a/automotive/vehicle/aidl/impl/vhal/test/SubscriptionManagerTest.cpp
+++ b/automotive/vehicle/aidl/impl/vhal/test/SubscriptionManagerTest.cpp
@@ -231,7 +231,7 @@
     std::vector<SubscribeOptions> options = {{
             .propId = 0,
             .areaIds = {0},
-            .sampleRate = 10.0,
+            .sampleRate = 100.0,
     }};
 
     auto result = getManager()->subscribe(getCallbackClient(), options, true);
@@ -240,11 +240,13 @@
     result = getManager()->unsubscribe(getCallbackClient()->asBinder().get());
     ASSERT_TRUE(result.ok()) << "failed to unsubscribe: " << result.error().message();
 
+    // Wait for the last events to come.
+    std::this_thread::sleep_for(std::chrono::milliseconds(100));
+
     clearEvents();
 
-    std::this_thread::sleep_for(std::chrono::milliseconds(200));
+    std::this_thread::sleep_for(std::chrono::milliseconds(100));
 
-    // Theoretically trigger 10 times, but check for at least 9 times to be stable.
     ASSERT_TRUE(getEvents().empty());
 }
 
@@ -269,6 +271,9 @@
                                        std::vector<int32_t>({0}));
     ASSERT_TRUE(result.ok()) << "failed to unsubscribe: " << result.error().message();
 
+    // Wait for the last events to come.
+    std::this_thread::sleep_for(std::chrono::milliseconds(100));
+
     clearEvents();
 
     std::this_thread::sleep_for(std::chrono::seconds(1));
@@ -301,6 +306,9 @@
     result = getManager()->unsubscribe(getCallbackClient()->asBinder().get());
     ASSERT_TRUE(result.ok()) << "failed to unsubscribe: " << result.error().message();
 
+    // Wait for the last events to come.
+    std::this_thread::sleep_for(std::chrono::milliseconds(100));
+
     clearEvents();
 
     std::this_thread::sleep_for(std::chrono::seconds(1));
diff --git a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/WifiRadioCombinationMatrix.aidl b/automotive/vehicle/aidl_property/aidl_api/android.hardware.automotive.vehicle.property/current/android/hardware/automotive/vehicle/LocationCharacterization.aidl
similarity index 79%
copy from wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/WifiRadioCombinationMatrix.aidl
copy to automotive/vehicle/aidl_property/aidl_api/android.hardware.automotive.vehicle.property/current/android/hardware/automotive/vehicle/LocationCharacterization.aidl
index ea86c4f..27abe41 100644
--- a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/WifiRadioCombinationMatrix.aidl
+++ b/automotive/vehicle/aidl_property/aidl_api/android.hardware.automotive.vehicle.property/current/android/hardware/automotive/vehicle/LocationCharacterization.aidl
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2022 The Android Open Source Project
+ * Copyright (C) 2023 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.
@@ -31,8 +31,16 @@
 // 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.wifi;
-@VintfStability
-parcelable WifiRadioCombinationMatrix {
-  android.hardware.wifi.WifiRadioCombination[] radioCombinations;
+package android.hardware.automotive.vehicle;
+@Backing(type="int") @VintfStability
+enum LocationCharacterization {
+  PRIOR_LOCATIONS = 0x1,
+  GYROSCOPE_FUSION = 0x2,
+  ACCELEROMETER_FUSION = 0x4,
+  COMPASS_FUSION = 0x8,
+  WHEEL_SPEED_FUSION = 0x10,
+  STEERING_ANGLE_FUSION = 0x20,
+  CAR_SPEED_FUSION = 0x40,
+  DEAD_RECKONED = 0x80,
+  RAW_GNSS_ONLY = 0x100,
 }
diff --git a/automotive/vehicle/aidl_property/aidl_api/android.hardware.automotive.vehicle.property/current/android/hardware/automotive/vehicle/VehicleProperty.aidl b/automotive/vehicle/aidl_property/aidl_api/android.hardware.automotive.vehicle.property/current/android/hardware/automotive/vehicle/VehicleProperty.aidl
index 175b0ac..e0267f3 100644
--- a/automotive/vehicle/aidl_property/aidl_api/android.hardware.automotive.vehicle.property/current/android/hardware/automotive/vehicle/VehicleProperty.aidl
+++ b/automotive/vehicle/aidl_property/aidl_api/android.hardware.automotive.vehicle.property/current/android/hardware/automotive/vehicle/VehicleProperty.aidl
@@ -189,6 +189,7 @@
   GLOVE_BOX_DOOR_POS = (((0x0BF0 + android.hardware.automotive.vehicle.VehiclePropertyGroup.SYSTEM) + android.hardware.automotive.vehicle.VehicleArea.SEAT) + android.hardware.automotive.vehicle.VehiclePropertyType.INT32) /* 356518896 */,
   GLOVE_BOX_LOCKED = (((0x0BF1 + android.hardware.automotive.vehicle.VehiclePropertyGroup.SYSTEM) + android.hardware.automotive.vehicle.VehicleArea.SEAT) + android.hardware.automotive.vehicle.VehiclePropertyType.BOOLEAN) /* 354421745 */,
   VEHICLE_MAP_SERVICE = (((0x0C00 + 0x10000000) + 0x01000000) + 0x00e00000) /* 299895808 */,
+  LOCATION_CHARACTERIZATION = (((0x0C10 + android.hardware.automotive.vehicle.VehiclePropertyGroup.SYSTEM) + android.hardware.automotive.vehicle.VehicleArea.GLOBAL) + android.hardware.automotive.vehicle.VehiclePropertyType.INT32) /* 289410064 */,
   OBD2_LIVE_FRAME = (((0x0D00 + 0x10000000) + 0x01000000) + 0x00e00000) /* 299896064 */,
   OBD2_FREEZE_FRAME = (((0x0D01 + 0x10000000) + 0x01000000) + 0x00e00000) /* 299896065 */,
   OBD2_FREEZE_FRAME_INFO = (((0x0D02 + 0x10000000) + 0x01000000) + 0x00e00000) /* 299896066 */,
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/LocationCharacterization.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/LocationCharacterization.aidl
new file mode 100644
index 0000000..e06df40
--- /dev/null
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/LocationCharacterization.aidl
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2023 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.vehicle;
+
+/**
+ * Used by LOCATION_CHARACTERIZATION to enumerate the supported bit flags.
+ *
+ * These flags are used to indicate to what transformations are performed on the
+ * GNSS data before the location data is sent, so that location processing
+ * algorithms can take into account prior fusion.
+ *
+ * This enum can be extended in future releases to include additional bit flags.
+ */
+@VintfStability
+@Backing(type="int")
+enum LocationCharacterization {
+    /**
+     * Prior location samples have been used to refine the raw GNSS data (e.g. a
+     * Kalman Filter).
+     */
+    PRIOR_LOCATIONS = 0x1,
+    /**
+     * Gyroscope data has been used to refine the raw GNSS data.
+     */
+    GYROSCOPE_FUSION = 0x2,
+    /**
+     * Accelerometer data has been used to refine the raw GNSS data.
+     */
+    ACCELEROMETER_FUSION = 0x4,
+    /**
+     * Compass data has been used to refine the raw GNSS data.
+     */
+    COMPASS_FUSION = 0x8,
+    /**
+     * Wheel speed has been used to refine the raw GNSS data.
+     */
+    WHEEL_SPEED_FUSION = 0x10,
+    /**
+     * Steering angle has been used to refine the raw GNSS data.
+     */
+    STEERING_ANGLE_FUSION = 0x20,
+    /**
+     * Car speed has been used to refine the raw GNSS data.
+     */
+    CAR_SPEED_FUSION = 0x40,
+    /**
+     * Some effort is made to dead-reckon location. In particular, this means that
+     * relative changes in location have meaning when no GNSS satellite is
+     * available.
+     */
+    DEAD_RECKONED = 0x80,
+    /**
+     * Location is based on GNSS satellite signals without sufficient fusion of
+     * other sensors for complete dead reckoning. This flag should be set when
+     * relative changes to location cannot be relied on when no GNSS satellite is
+     * available.
+     */
+    RAW_GNSS_ONLY = 0x100,
+}
diff --git a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleProperty.aidl b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleProperty.aidl
index 235ccd0..4d7bb79 100644
--- a/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleProperty.aidl
+++ b/automotive/vehicle/aidl_property/android/hardware/automotive/vehicle/VehicleProperty.aidl
@@ -619,10 +619,10 @@
     /**
      * HVAC Properties
      *
-     * Additional rules for mapping a zoned HVAC property (except
-     * HVAC_MAX_DEFROST_ON) to AreaIDs:
-     *  - Every seat in VehicleAreaSeat that is available in the car, must be
-     *    part of an AreaID in the AreaID array.
+     * Additional rules for mapping non-GLOBAL VehicleArea type HVAC properties
+     * to AreaIDs:
+     *  - Every “area” for a specific VehicleArea type that is affected by the
+     *    property, must be included in an area ID for that property.
      *
      * Example 1: A car has two front seats (ROW_1_LEFT, ROW_1_RIGHT) and three
      *  back seats (ROW_2_LEFT, ROW_2_CENTER, ROW_2_RIGHT). There are two
@@ -651,6 +651,16 @@
      *     - ROW_1_RIGHT
      *     - ROW_2_LEFT | ROW_2_CENTER | ROW_2_RIGHT | ROW_3_LEFT | ROW_3_CENTER | ROW_3_RIGHT
      *
+     * Example 3: A car has two front seats (ROW_1_LEFT, ROW_1_RIGHT) and three
+     *  back seats (ROW_2_LEFT, ROW_2_CENTER, ROW_2_RIGHT). Suppose the car
+     *  supports HVAC_AUTO_ON for just the two front seats.
+     *   - A valid mapping set of AreaIDs for HVAC_AUTO_ON would be:
+     *      - ROW_1_LEFT | ROW_1_RIGHT
+     *   - If HVAC_AUTO_ON had two separate control units for the driver side
+     *     and passenger side, an alternative mapping would be:
+     *      - ROW_1_LEFT
+     *      - ROW_1_RIGHT
+     *
      *
      * Fan speed setting
      *
@@ -2136,6 +2146,7 @@
      *
      * @change_mode VehiclePropertyChangeMode.ON_CHANGE
      * @access VehiclePropertyAccess.READ
+     * @unit VehicleUnit:MILLI_SECS
      */
     WINDSHIELD_WIPERS_PERIOD =
             0x0BC5 + VehiclePropertyGroup.SYSTEM + VehicleArea.WINDOW + VehiclePropertyType.INT32,
@@ -2348,6 +2359,20 @@
     VEHICLE_MAP_SERVICE = 0x0C00 + 0x10000000 + 0x01000000
             + 0x00e00000, // VehiclePropertyGroup:SYSTEM,VehicleArea:GLOBAL,VehiclePropertyType:MIXED
     /**
+     * Characterization of inputs used for computing location.
+     *
+     * This property must indicate what (if any) data and sensor inputs are considered by the system
+     * when computing the vehicle's location that is shared with Android through the GNSS HAL.
+     *
+     * The value must return a collection of bit flags. The bit flags are defined in
+     * LocationCharacterization.
+     *
+     * @change_mode VehiclePropertyChangeMode.STATIC
+     * @access VehiclePropertyAccess.READ
+     */
+    LOCATION_CHARACTERIZATION =
+            0x0C10 + VehiclePropertyGroup.SYSTEM + VehicleArea.GLOBAL + VehiclePropertyType.INT32,
+    /**
      * OBD2 Live Sensor Data
      *
      * Reports a snapshot of the current (live) values of the OBD2 sensors available.
diff --git a/automotive/vehicle/vts/src/VtsHalAutomotiveVehicle_TargetTest.cpp b/automotive/vehicle/vts/src/VtsHalAutomotiveVehicle_TargetTest.cpp
index 1c9d0db..2da8179 100644
--- a/automotive/vehicle/vts/src/VtsHalAutomotiveVehicle_TargetTest.cpp
+++ b/automotive/vehicle/vts/src/VtsHalAutomotiveVehicle_TargetTest.cpp
@@ -498,6 +498,12 @@
                             actualPropertyType);
 }
 
+TEST_P(VtsHalAutomotiveVehicleTargetTest, verifyLocationCharacterizationConfig) {
+    verifyProperty(VehicleProperty::LOCATION_CHARACTERIZATION, VehiclePropertyAccess::READ,
+                   VehiclePropertyChangeMode::STATIC, VehiclePropertyGroup::SYSTEM,
+                   VehicleArea::GLOBAL, VehiclePropertyType::INT32);
+}
+
 TEST_P(VtsHalAutomotiveVehicleTargetTest, verifyEmergencyLaneKeepAssistEnabledConfig) {
     verifyProperty(VehicleProperty::EMERGENCY_LANE_KEEP_ASSIST_ENABLED,
                    VehiclePropertyAccess::READ_WRITE, VehiclePropertyChangeMode::ON_CHANGE,
diff --git a/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/AcquiredInfo.aidl b/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/AcquiredInfo.aidl
index 89f76f4..7075f71 100644
--- a/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/AcquiredInfo.aidl
+++ b/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/AcquiredInfo.aidl
@@ -49,4 +49,5 @@
   IMMOBILE,
   RETRYING_CAPTURE,
   LIFT_TOO_SOON,
+  POWER_PRESS,
 }
diff --git a/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/Error.aidl b/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/Error.aidl
index d3592a1..9eeaac5 100644
--- a/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/Error.aidl
+++ b/biometrics/fingerprint/aidl/aidl_api/android.hardware.biometrics.fingerprint/current/android/hardware/biometrics/fingerprint/Error.aidl
@@ -44,4 +44,5 @@
   UNABLE_TO_REMOVE,
   VENDOR,
   BAD_CALIBRATION,
+  POWER_PRESS,
 }
diff --git a/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/AcquiredInfo.aidl b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/AcquiredInfo.aidl
index 2cdc196..41b7c5e 100644
--- a/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/AcquiredInfo.aidl
+++ b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/AcquiredInfo.aidl
@@ -103,4 +103,10 @@
      * Fingerprint was lifted before the capture completed.
      */
     LIFT_TOO_SOON,
+
+    /**
+     * Indicates a power press event has occurred. This is typically sent by fingerprint
+     * sensors that have the sensor co-located with the power button.
+     */
+    POWER_PRESS,
 }
diff --git a/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/Error.aidl b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/Error.aidl
index d8d47fa..39a5676 100644
--- a/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/Error.aidl
+++ b/biometrics/fingerprint/aidl/android/hardware/biometrics/fingerprint/Error.aidl
@@ -70,4 +70,10 @@
      * There's a problem with the sensor's calibration.
      */
     BAD_CALIBRATION,
+
+    /**
+     * Indicates a power press event has occurred. This is typically sent by fingerprint
+     * sensors that have the sensor co-located with the power button.
+     */
+    POWER_PRESS,
 }
diff --git a/bluetooth/1.0/vts/functional/VtsHalBluetoothV1_0TargetTest.cpp b/bluetooth/1.0/vts/functional/VtsHalBluetoothV1_0TargetTest.cpp
index 8ea1ddd..9451087 100644
--- a/bluetooth/1.0/vts/functional/VtsHalBluetoothV1_0TargetTest.cpp
+++ b/bluetooth/1.0/vts/functional/VtsHalBluetoothV1_0TargetTest.cpp
@@ -516,12 +516,15 @@
 // Return the number of completed packets reported by the controller.
 int BluetoothHidlTest::wait_for_completed_packets_event(uint16_t handle) {
   int packets_processed = 0;
-  wait_for_event(false);
-  if (event_queue.size() == 0) {
-    ALOGW("%s: WaitForCallback timed out.", __func__);
-    return packets_processed;
-  }
-  while (event_queue.size() > 0) {
+  while (true) {
+    // There should be at least one event.
+    wait_for_event(packets_processed == 0);
+    if (event_queue.empty()) {
+      if (packets_processed == 0) {
+        ALOGW("%s: WaitForCallback timed out.", __func__);
+      }
+      return packets_processed;
+    }
     hidl_vec<uint8_t> event = event_queue.front();
     event_queue.pop();
 
diff --git a/bluetooth/1.1/vts/functional/VtsHalBluetoothV1_1TargetTest.cpp b/bluetooth/1.1/vts/functional/VtsHalBluetoothV1_1TargetTest.cpp
index 9ae3837..28ac603 100644
--- a/bluetooth/1.1/vts/functional/VtsHalBluetoothV1_1TargetTest.cpp
+++ b/bluetooth/1.1/vts/functional/VtsHalBluetoothV1_1TargetTest.cpp
@@ -539,12 +539,15 @@
 // Return the number of completed packets reported by the controller.
 int BluetoothHidlTest::wait_for_completed_packets_event(uint16_t handle) {
   int packets_processed = 0;
-  wait_for_event(false);
-  if (event_queue.size() == 0) {
-    ALOGW("%s: WaitForCallback timed out.", __func__);
-    return packets_processed;
-  }
-  while (event_queue.size() > 0) {
+  while (true) {
+    // There should be at least one event.
+    wait_for_event(packets_processed == 0);
+    if (event_queue.empty()) {
+      if (packets_processed == 0) {
+        ALOGW("%s: WaitForCallback timed out.", __func__);
+      }
+      return packets_processed;
+    }
     hidl_vec<uint8_t> event = event_queue.front();
     event_queue.pop();
 
diff --git a/cas/aidl/android/hardware/cas/DestinationBuffer.aidl b/cas/aidl/android/hardware/cas/DestinationBuffer.aidl
index 74336c2..ac562dc 100644
--- a/cas/aidl/android/hardware/cas/DestinationBuffer.aidl
+++ b/cas/aidl/android/hardware/cas/DestinationBuffer.aidl
@@ -25,13 +25,13 @@
 @VintfStability
 union DestinationBuffer {
     /**
-     * If type == SHARED_MEMORY, the descrambled data must be written
+     * If the buffer is SharedBuffer, the descrambled data must be written
      * to user-space non-secure shared memory.
      */
     SharedBuffer nonsecureMemory;
 
     /**
-     * If type == NATIVE_HANDLE, the descrambled data must be written
+     * If the buffer is presented by NativeHandle, the descrambled data must be written
      * to secure memory referenced by the vendor's buffer allocator.
      */
     NativeHandle secureMemory;
diff --git a/confirmationui/1.0/default/OWNERS b/confirmationui/1.0/default/OWNERS
index 335660d..17aed51 100644
--- a/confirmationui/1.0/default/OWNERS
+++ b/confirmationui/1.0/default/OWNERS
@@ -1,2 +1,3 @@
+# Bug component: 1124672
 jdanis@google.com
 swillden@google.com
diff --git a/confirmationui/1.0/vts/OWNERS b/confirmationui/1.0/vts/OWNERS
index e7aa8b4..aa07242 100644
--- a/confirmationui/1.0/vts/OWNERS
+++ b/confirmationui/1.0/vts/OWNERS
@@ -1,3 +1,4 @@
+# Bug component: 1124672
 jdanis@google.com
 swillden@google.com
 yim@google.com
diff --git a/confirmationui/OWNERS b/confirmationui/OWNERS
index 2bcdb0e..d3896df 100644
--- a/confirmationui/OWNERS
+++ b/confirmationui/OWNERS
@@ -1,2 +1,3 @@
+# Bug component: 1124672
 swillden@google.com
 subrahmanyaman@google.com
diff --git a/confirmationui/aidl/vts/functional/Android.bp b/confirmationui/aidl/vts/functional/Android.bp
index 3649c87..ac2d53a 100644
--- a/confirmationui/aidl/vts/functional/Android.bp
+++ b/confirmationui/aidl/vts/functional/Android.bp
@@ -23,7 +23,7 @@
     name: "VtsHalConfirmationUITargetTest",
     defaults: [
         "VtsHalTargetTestDefaults",
-        "keymint_use_latest_hal_aidl_ndk_shared",
+        "keymint_use_latest_hal_aidl_ndk_static",
         "use_libaidlvintf_gtest_helper_static",
     ],
     srcs: [
@@ -31,8 +31,9 @@
     ],
     static_libs: [
         "android.hardware.confirmationui-V1-ndk",
-        "libcn-cbor",
         "android.hardware.confirmationui-support-lib",
+        "android.hardware.security.secureclock-V1-ndk",
+        "libcn-cbor",
     ],
     shared_libs: [
         "libbinder_ndk",
diff --git a/confirmationui/support/OWNERS b/confirmationui/support/OWNERS
index 335660d..17aed51 100644
--- a/confirmationui/support/OWNERS
+++ b/confirmationui/support/OWNERS
@@ -1,2 +1,3 @@
+# Bug component: 1124672
 jdanis@google.com
 swillden@google.com
diff --git a/contexthub/aidl/aidl_api/android.hardware.contexthub/current/android/hardware/contexthub/IContextHub.aidl b/contexthub/aidl/aidl_api/android.hardware.contexthub/current/android/hardware/contexthub/IContextHub.aidl
index d66e1ac..9f2eb76 100644
--- a/contexthub/aidl/aidl_api/android.hardware.contexthub/current/android/hardware/contexthub/IContextHub.aidl
+++ b/contexthub/aidl/aidl_api/android.hardware.contexthub/current/android/hardware/contexthub/IContextHub.aidl
@@ -46,7 +46,7 @@
   void onHostEndpointConnected(in android.hardware.contexthub.HostEndpointInfo hostEndpointInfo);
   void onHostEndpointDisconnected(char hostEndpointId);
   long[] getPreloadedNanoappIds();
-  void onNanSessionStateChanged(in boolean state);
+  void onNanSessionStateChanged(in android.hardware.contexthub.NanSessionStateUpdate update);
   void setTestMode(in boolean enable);
-  const int EX_CONTEXT_HUB_UNSPECIFIED = (-1);
+  const int EX_CONTEXT_HUB_UNSPECIFIED = (-1) /* -1 */;
 }
diff --git a/contexthub/aidl/aidl_api/android.hardware.contexthub/current/android/hardware/contexthub/IContextHubCallback.aidl b/contexthub/aidl/aidl_api/android.hardware.contexthub/current/android/hardware/contexthub/IContextHubCallback.aidl
index e72ae73..6163cfc 100644
--- a/contexthub/aidl/aidl_api/android.hardware.contexthub/current/android/hardware/contexthub/IContextHubCallback.aidl
+++ b/contexthub/aidl/aidl_api/android.hardware.contexthub/current/android/hardware/contexthub/IContextHubCallback.aidl
@@ -38,6 +38,6 @@
   void handleContextHubMessage(in android.hardware.contexthub.ContextHubMessage msg, in String[] msgContentPerms);
   void handleContextHubAsyncEvent(in android.hardware.contexthub.AsyncEventType evt);
   void handleTransactionResult(in int transactionId, in boolean success);
-  void handleNanSessionRequest(in boolean enable);
+  void handleNanSessionRequest(in android.hardware.contexthub.NanSessionRequest request);
   const int CONTEXTHUB_NAN_TRANSACTION_TIMEOUT_MS = 10000;
 }
diff --git a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/WifiRadioCombinationMatrix.aidl b/contexthub/aidl/aidl_api/android.hardware.contexthub/current/android/hardware/contexthub/NanSessionRequest.aidl
similarity index 88%
rename from wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/WifiRadioCombinationMatrix.aidl
rename to contexthub/aidl/aidl_api/android.hardware.contexthub/current/android/hardware/contexthub/NanSessionRequest.aidl
index ea86c4f..d539707 100644
--- a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/WifiRadioCombinationMatrix.aidl
+++ b/contexthub/aidl/aidl_api/android.hardware.contexthub/current/android/hardware/contexthub/NanSessionRequest.aidl
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2022 The Android Open Source Project
+ * Copyright (C) 2023 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.
@@ -31,8 +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.wifi;
+package android.hardware.contexthub;
 @VintfStability
-parcelable WifiRadioCombinationMatrix {
-  android.hardware.wifi.WifiRadioCombination[] radioCombinations;
+parcelable NanSessionRequest {
+  boolean enable;
 }
diff --git a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/WifiRadioCombinationMatrix.aidl b/contexthub/aidl/aidl_api/android.hardware.contexthub/current/android/hardware/contexthub/NanSessionStateUpdate.aidl
similarity index 88%
copy from wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/WifiRadioCombinationMatrix.aidl
copy to contexthub/aidl/aidl_api/android.hardware.contexthub/current/android/hardware/contexthub/NanSessionStateUpdate.aidl
index ea86c4f..80771e2 100644
--- a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/WifiRadioCombinationMatrix.aidl
+++ b/contexthub/aidl/aidl_api/android.hardware.contexthub/current/android/hardware/contexthub/NanSessionStateUpdate.aidl
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2022 The Android Open Source Project
+ * Copyright (C) 2023 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.
@@ -31,8 +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.wifi;
+package android.hardware.contexthub;
 @VintfStability
-parcelable WifiRadioCombinationMatrix {
-  android.hardware.wifi.WifiRadioCombination[] radioCombinations;
+parcelable NanSessionStateUpdate {
+  boolean state;
 }
diff --git a/contexthub/aidl/aidl_api/android.hardware.contexthub/current/android/hardware/contexthub/NanoappBinary.aidl b/contexthub/aidl/aidl_api/android.hardware.contexthub/current/android/hardware/contexthub/NanoappBinary.aidl
index 741a9cf..fdf3860 100644
--- a/contexthub/aidl/aidl_api/android.hardware.contexthub/current/android/hardware/contexthub/NanoappBinary.aidl
+++ b/contexthub/aidl/aidl_api/android.hardware.contexthub/current/android/hardware/contexthub/NanoappBinary.aidl
@@ -40,7 +40,7 @@
   byte targetChreApiMajorVersion;
   byte targetChreApiMinorVersion;
   byte[] customBinary;
-  const int FLAG_SIGNED = (1 << 0);
-  const int FLAG_ENCRYPTED = (1 << 1);
-  const int FLAG_TCM_CAPABLE = (1 << 2);
+  const int FLAG_SIGNED = (1 << 0) /* 1 */;
+  const int FLAG_ENCRYPTED = (1 << 1) /* 2 */;
+  const int FLAG_TCM_CAPABLE = (1 << 2) /* 4 */;
 }
diff --git a/contexthub/aidl/android/hardware/contexthub/IContextHub.aidl b/contexthub/aidl/android/hardware/contexthub/IContextHub.aidl
index f9838bd..17bffd6 100644
--- a/contexthub/aidl/android/hardware/contexthub/IContextHub.aidl
+++ b/contexthub/aidl/android/hardware/contexthub/IContextHub.aidl
@@ -20,6 +20,7 @@
 import android.hardware.contexthub.ContextHubMessage;
 import android.hardware.contexthub.HostEndpointInfo;
 import android.hardware.contexthub.IContextHubCallback;
+import android.hardware.contexthub.NanSessionStateUpdate;
 import android.hardware.contexthub.NanoappBinary;
 import android.hardware.contexthub.NanoappInfo;
 import android.hardware.contexthub.Setting;
@@ -212,9 +213,9 @@
      * explicitly invoke handleNanSessionRequest() at a later point in time to attempt to
      * re-enable NAN.
      *
-     * @param state True if the NAN session is currently enabled.
+     * @param update Information about the latest NAN session state.
      */
-    void onNanSessionStateChanged(in boolean state);
+    void onNanSessionStateChanged(in NanSessionStateUpdate update);
 
     /**
      * Puts the context hub in and out of test mode. Test mode is a clean state
diff --git a/contexthub/aidl/android/hardware/contexthub/IContextHubCallback.aidl b/contexthub/aidl/android/hardware/contexthub/IContextHubCallback.aidl
index cff1893..bfcb51e 100644
--- a/contexthub/aidl/android/hardware/contexthub/IContextHubCallback.aidl
+++ b/contexthub/aidl/android/hardware/contexthub/IContextHubCallback.aidl
@@ -18,6 +18,7 @@
 
 import android.hardware.contexthub.AsyncEventType;
 import android.hardware.contexthub.ContextHubMessage;
+import android.hardware.contexthub.NanSessionRequest;
 import android.hardware.contexthub.NanoappInfo;
 
 @VintfStability
@@ -85,10 +86,9 @@
      * request times out, onNanSessionStateChanged() will be invoked with the state that the session
      * was previously in.
      *
-     * @param enable Whether the NAN session should be enabled or disabled depending on whether the
-     *        Contexthub needs access to NAN.
+     * @param request Request from the HAL indicating the latest NAN session state it would like.
      */
-    void handleNanSessionRequest(in boolean enable);
+    void handleNanSessionRequest(in NanSessionRequest request);
 
     /**
      * Amount of time, in milliseconds, that a handleNanSessionRequest can be pending before the
diff --git a/contexthub/aidl/android/hardware/contexthub/NanSessionRequest.aidl b/contexthub/aidl/android/hardware/contexthub/NanSessionRequest.aidl
new file mode 100644
index 0000000..c462ba1
--- /dev/null
+++ b/contexthub/aidl/android/hardware/contexthub/NanSessionRequest.aidl
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2023 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.contexthub;
+
+/**
+ * Contains information needed to request a state change for a NAN session.
+ */
+@VintfStability
+parcelable NanSessionRequest {
+    /**
+     * Whether the NAN session should be enabled or disabled depending on whether the Contexthub
+     * needs access to NAN.
+     */
+    boolean enable;
+}
diff --git a/contexthub/aidl/android/hardware/contexthub/NanSessionStateUpdate.aidl b/contexthub/aidl/android/hardware/contexthub/NanSessionStateUpdate.aidl
new file mode 100644
index 0000000..a58eda5
--- /dev/null
+++ b/contexthub/aidl/android/hardware/contexthub/NanSessionStateUpdate.aidl
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2023 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.contexthub;
+
+/**
+ * Contains information provided as a response to a NanSessionRequest.
+ */
+@VintfStability
+parcelable NanSessionStateUpdate {
+    /**
+     * True if the NAN session is currently enabled.
+     */
+    boolean state;
+}
diff --git a/contexthub/aidl/default/ContextHub.cpp b/contexthub/aidl/default/ContextHub.cpp
index b98bfb2..66f9857 100644
--- a/contexthub/aidl/default/ContextHub.cpp
+++ b/contexthub/aidl/default/ContextHub.cpp
@@ -87,7 +87,7 @@
     return ndk::ScopedAStatus::ok();
 }
 
-ScopedAStatus ContextHub::onNanSessionStateChanged(bool /*sin_state*/) {
+ScopedAStatus ContextHub::onNanSessionStateChanged(const NanSessionStateUpdate& /*in_update*/) {
     return ndk::ScopedAStatus::ok();
 }
 
diff --git a/contexthub/aidl/default/include/contexthub-impl/ContextHub.h b/contexthub/aidl/default/include/contexthub-impl/ContextHub.h
index dc9aef0..02ecf53 100644
--- a/contexthub/aidl/default/include/contexthub-impl/ContextHub.h
+++ b/contexthub/aidl/default/include/contexthub-impl/ContextHub.h
@@ -48,7 +48,7 @@
     ::ndk::ScopedAStatus onHostEndpointConnected(const HostEndpointInfo& in_info) override;
 
     ::ndk::ScopedAStatus onHostEndpointDisconnected(char16_t in_hostEndpointId) override;
-    ::ndk::ScopedAStatus onNanSessionStateChanged(bool in_state) override;
+    ::ndk::ScopedAStatus onNanSessionStateChanged(const NanSessionStateUpdate& in_update) override;
 
   private:
     static constexpr uint32_t kMockHubId = 0;
diff --git a/contexthub/aidl/vts/VtsAidlHalContextHubTargetTest.cpp b/contexthub/aidl/vts/VtsAidlHalContextHubTargetTest.cpp
index b227e4a..9707ecf 100644
--- a/contexthub/aidl/vts/VtsAidlHalContextHubTargetTest.cpp
+++ b/contexthub/aidl/vts/VtsAidlHalContextHubTargetTest.cpp
@@ -42,6 +42,8 @@
 using ::android::hardware::contexthub::NanoappBinary;
 using ::android::hardware::contexthub::NanoappInfo;
 using ::android::hardware::contexthub::NanoappRpcService;
+using ::android::hardware::contexthub::NanSessionRequest;
+using ::android::hardware::contexthub::NanSessionStateUpdate;
 using ::android::hardware::contexthub::Setting;
 using ::android::hardware::contexthub::vts_utils::kNonExistentAppId;
 using ::android::hardware::contexthub::vts_utils::waitForCallback;
@@ -121,7 +123,9 @@
         return Status::ok();
     }
 
-    Status handleNanSessionRequest(bool /* enable */) override { return Status::ok(); }
+    Status handleNanSessionRequest(const NanSessionRequest& /* request */) override {
+        return Status::ok();
+    }
 };
 
 TEST_P(ContextHubAidl, TestRegisterCallback) {
@@ -153,7 +157,9 @@
         return Status::ok();
     }
 
-    Status handleNanSessionRequest(bool /* enable */) override { return Status::ok(); }
+    Status handleNanSessionRequest(const NanSessionRequest& /* request */) override {
+        return Status::ok();
+    }
 
     std::promise<std::vector<NanoappInfo>> promise;
 };
@@ -218,7 +224,9 @@
         return Status::ok();
     }
 
-    Status handleNanSessionRequest(bool /* enable */) override { return Status::ok(); }
+    Status handleNanSessionRequest(const NanSessionRequest& /* request */) override {
+        return Status::ok();
+    }
 
     uint32_t expectedTransactionId = 0;
     std::promise<bool> promise;
@@ -382,8 +390,11 @@
 }
 
 TEST_P(ContextHubAidl, TestNanSessionStateChange) {
-    ASSERT_TRUE(contextHub->onNanSessionStateChanged(true /*state*/).isOk());
-    ASSERT_TRUE(contextHub->onNanSessionStateChanged(false /*state*/).isOk());
+    NanSessionStateUpdate update;
+    update.state = true;
+    ASSERT_TRUE(contextHub->onNanSessionStateChanged(update).isOk());
+    update.state = false;
+    ASSERT_TRUE(contextHub->onNanSessionStateChanged(update).isOk());
 }
 
 std::string PrintGeneratedTest(const testing::TestParamInfo<ContextHubAidl::ParamType>& info) {
diff --git a/current.txt b/current.txt
index 358d05a..c40f9ea 100644
--- a/current.txt
+++ b/current.txt
@@ -935,5 +935,6 @@
 4f1a02d21a22104c734f71cdbba19b6f7e93d4ee107ff79f0dbdd171a8430e0e android.hardware.automotive.vehicle@2.0::types
 a2fbd9747fbb9ceb8c1090b5a24138312246502d5af0654a8c2b603a9bf521fc android.hardware.gnss@1.0::IGnssCallback
 889b59e3e7a59afa67bf19882a44f51a2f9e43b6556ec52baa9ec3efd1ef7fbe android.hardware.camera.device@3.2::types
+db37a1c757e2e69b1ec9c75a981a6987bd87a131d92ab6acc00e04d19f374281 android.hardware.automotive.vehicle@2.0::types
 
 # There will be no more HIDL HALs. Use AIDL instead.
diff --git a/gatekeeper/1.0/default/OWNERS b/gatekeeper/1.0/default/OWNERS
index 335660d..c97fba6 100644
--- a/gatekeeper/1.0/default/OWNERS
+++ b/gatekeeper/1.0/default/OWNERS
@@ -1,2 +1,3 @@
+# Bug component: 1124862
 jdanis@google.com
 swillden@google.com
diff --git a/gatekeeper/1.0/software/OWNERS b/gatekeeper/1.0/software/OWNERS
index 335660d..c97fba6 100644
--- a/gatekeeper/1.0/software/OWNERS
+++ b/gatekeeper/1.0/software/OWNERS
@@ -1,2 +1,3 @@
+# Bug component: 1124862
 jdanis@google.com
 swillden@google.com
diff --git a/gatekeeper/aidl/vts/functional/Android.bp b/gatekeeper/aidl/vts/functional/Android.bp
index 2fa80de..008f25c 100644
--- a/gatekeeper/aidl/vts/functional/Android.bp
+++ b/gatekeeper/aidl/vts/functional/Android.bp
@@ -24,14 +24,17 @@
     defaults: [
         "VtsHalTargetTestDefaults",
         "use_libaidlvintf_gtest_helper_static",
-        "keymint_use_latest_hal_aidl_ndk_shared",
+        "keymint_use_latest_hal_aidl_ndk_static",
     ],
     srcs: ["VtsHalGatekeeperTargetTest.cpp"],
     shared_libs: [
         "libbinder_ndk",
         "libbase",
     ],
-    static_libs: ["android.hardware.gatekeeper-V1-ndk"],
+    static_libs: [
+        "android.hardware.gatekeeper-V1-ndk",
+        "android.hardware.security.secureclock-V1-ndk",
+    ],
     test_suites: [
         "general-tests",
         "vts",
diff --git a/graphics/composer/aidl/vts/GraphicsComposerCallback.cpp b/graphics/composer/aidl/vts/GraphicsComposerCallback.cpp
index 4fb5d01..7b3a2b4 100644
--- a/graphics/composer/aidl/vts/GraphicsComposerCallback.cpp
+++ b/graphics/composer/aidl/vts/GraphicsComposerCallback.cpp
@@ -29,6 +29,11 @@
     mVsyncAllowed = allowed;
 }
 
+void GraphicsComposerCallback::setRefreshRateChangedDebugDataEnabledCallbackAllowed(bool allowed) {
+    std::scoped_lock lock(mMutex);
+    mRefreshRateChangedDebugDataEnabledCallbackAllowed = allowed;
+}
+
 std::vector<int64_t> GraphicsComposerCallback::getDisplays() const {
     std::scoped_lock lock(mMutex);
     return mDisplays;
@@ -79,6 +84,21 @@
     return ret;
 }
 
+std::vector<RefreshRateChangedDebugData>
+GraphicsComposerCallback::takeListOfRefreshRateChangedDebugData() {
+    std::scoped_lock lock(mMutex);
+
+    std::vector<RefreshRateChangedDebugData> ret;
+    ret.swap(mRefreshRateChangedDebugData);
+
+    return ret;
+}
+
+int32_t GraphicsComposerCallback::getInvalidRefreshRateDebugEnabledCallbackCount() const {
+    std::scoped_lock lock(mMutex);
+    return mInvalidRefreshRateDebugEnabledCallbackCount;
+}
+
 ::ndk::ScopedAStatus GraphicsComposerCallback::onHotplug(int64_t in_display, bool in_connected) {
     std::scoped_lock lock(mMutex);
 
@@ -125,9 +145,16 @@
 }
 
 ::ndk::ScopedAStatus GraphicsComposerCallback::onRefreshRateChangedDebug(
-        const RefreshRateChangedDebugData&) {
-    // TODO(b/202734676) Add implementation for Vts tests
-    return ::ndk::ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
+        const RefreshRateChangedDebugData& data) {
+    std::scoped_lock lock(mMutex);
+
+    const auto it = std::find(mDisplays.begin(), mDisplays.end(), data.display);
+    if (mRefreshRateChangedDebugDataEnabledCallbackAllowed && it != mDisplays.end()) {
+        mRefreshRateChangedDebugData.push_back(data);
+    } else {
+        mInvalidRefreshRateDebugEnabledCallbackCount++;
+    }
+    return ::ndk::ScopedAStatus::ok();
 }
 
 ::ndk::ScopedAStatus GraphicsComposerCallback::onVsyncPeriodTimingChanged(
diff --git a/graphics/composer/aidl/vts/GraphicsComposerCallback.h b/graphics/composer/aidl/vts/GraphicsComposerCallback.h
index 9c3bc70..13e992a 100644
--- a/graphics/composer/aidl/vts/GraphicsComposerCallback.h
+++ b/graphics/composer/aidl/vts/GraphicsComposerCallback.h
@@ -26,6 +26,8 @@
   public:
     void setVsyncAllowed(bool allowed);
 
+    void setRefreshRateChangedDebugDataEnabledCallbackAllowed(bool allowed);
+
     std::vector<int64_t> getDisplays() const;
 
     int32_t getInvalidHotplugCount() const;
@@ -44,6 +46,10 @@
 
     std::optional<VsyncPeriodChangeTimeline> takeLastVsyncPeriodChangeTimeline();
 
+    std::vector<RefreshRateChangedDebugData> takeListOfRefreshRateChangedDebugData();
+
+    int32_t getInvalidRefreshRateDebugEnabledCallbackCount() const;
+
   private:
     virtual ::ndk::ScopedAStatus onHotplug(int64_t in_display, bool in_connected) override;
     virtual ::ndk::ScopedAStatus onRefresh(int64_t in_display) override;
@@ -63,9 +69,13 @@
     std::vector<int64_t> mDisplays GUARDED_BY(mMutex);
     // true only when vsync is enabled
     bool mVsyncAllowed GUARDED_BY(mMutex) = true;
+    // true only when RefreshRateChangedCallbackDebugEnabled is set to true.
+    bool mRefreshRateChangedDebugDataEnabledCallbackAllowed GUARDED_BY(mMutex) = false;
 
     std::optional<VsyncPeriodChangeTimeline> mTimeline GUARDED_BY(mMutex);
 
+    std::vector<RefreshRateChangedDebugData> mRefreshRateChangedDebugData GUARDED_BY(mMutex);
+
     int32_t mVsyncIdleCount GUARDED_BY(mMutex) = 0;
     int64_t mVsyncIdleTime GUARDED_BY(mMutex) = 0;
 
@@ -75,6 +85,7 @@
     int32_t mInvalidVsyncCount GUARDED_BY(mMutex) = 0;
     int32_t mInvalidVsyncPeriodChangeCount GUARDED_BY(mMutex) = 0;
     int32_t mInvalidSeamlessPossibleCount GUARDED_BY(mMutex) = 0;
+    int32_t mInvalidRefreshRateDebugEnabledCallbackCount GUARDED_BY(mMutex) = 0;
 };
 
 }  // namespace aidl::android::hardware::graphics::composer3::vts
diff --git a/graphics/composer/aidl/vts/VtsComposerClient.cpp b/graphics/composer/aidl/vts/VtsComposerClient.cpp
index e03ef25..25b0ca0 100644
--- a/graphics/composer/aidl/vts/VtsComposerClient.cpp
+++ b/graphics/composer/aidl/vts/VtsComposerClient.cpp
@@ -119,6 +119,24 @@
     return updateDisplayProperties(vtsDisplay, config);
 }
 
+ScopedAStatus VtsComposerClient::setPeakRefreshRateConfig(VtsDisplay* vtsDisplay) {
+    const auto displayId = vtsDisplay->getDisplayId();
+    auto [activeStatus, activeConfig] = getActiveConfig(displayId);
+    EXPECT_TRUE(activeStatus.isOk());
+    auto peakDisplayConfig = vtsDisplay->getDisplayConfig(activeConfig);
+    auto peakConfig = activeConfig;
+
+    const auto displayConfigs = vtsDisplay->getDisplayConfigs();
+    for (const auto [config, displayConfig] : displayConfigs) {
+        if (displayConfig.configGroup == peakDisplayConfig.configGroup &&
+            displayConfig.vsyncPeriod < peakDisplayConfig.vsyncPeriod) {
+            peakDisplayConfig = displayConfig;
+            peakConfig = config;
+        }
+    }
+    return setActiveConfig(vtsDisplay, peakConfig);
+}
+
 std::pair<ScopedAStatus, int32_t> VtsComposerClient::getDisplayAttribute(
         int64_t display, int32_t config, DisplayAttribute displayAttribute) {
     int32_t outDisplayAttribute;
@@ -375,10 +393,15 @@
     return mComposerCallback->getVsyncIdleTime();
 }
 
-ndk::ScopedAStatus VtsComposerClient::setRefreshRateChangedCallbackDebugEnabled(
-        int64_t /* display */, bool /* enabled */) {
-    // TODO(b/202734676) Add implementation for VTS tests
-    return ScopedAStatus::fromExceptionCode(EX_UNSUPPORTED_OPERATION);
+ndk::ScopedAStatus VtsComposerClient::setRefreshRateChangedCallbackDebugEnabled(int64_t display,
+                                                                                bool enabled) {
+    mComposerCallback->setRefreshRateChangedDebugDataEnabledCallbackAllowed(enabled);
+    return mComposerClient->setRefreshRateChangedCallbackDebugEnabled(display, enabled);
+}
+
+std::vector<RefreshRateChangedDebugData>
+VtsComposerClient::takeListOfRefreshRateChangedDebugData() {
+    return mComposerCallback->takeListOfRefreshRateChangedDebugData();
 }
 
 int64_t VtsComposerClient::getInvalidDisplayId() {
@@ -545,6 +568,10 @@
             ALOGE("Invalid seamless possible count");
             isValid = false;
         }
+        if (mComposerCallback->getInvalidRefreshRateDebugEnabledCallbackCount() != 0) {
+            ALOGE("Invalid refresh rate debug enabled callback count");
+            isValid = false;
+        }
     }
     return isValid;
 }
diff --git a/graphics/composer/aidl/vts/VtsComposerClient.h b/graphics/composer/aidl/vts/VtsComposerClient.h
index 81a62b3..ea3318c 100644
--- a/graphics/composer/aidl/vts/VtsComposerClient.h
+++ b/graphics/composer/aidl/vts/VtsComposerClient.h
@@ -77,6 +77,8 @@
 
     ScopedAStatus setActiveConfig(VtsDisplay* vtsDisplay, int32_t config);
 
+    ScopedAStatus setPeakRefreshRateConfig(VtsDisplay* vtsDisplay);
+
     std::pair<ScopedAStatus, int32_t> getDisplayAttribute(int64_t display, int32_t config,
                                                           DisplayAttribute displayAttribute);
 
@@ -183,6 +185,10 @@
 
     std::pair<ScopedAStatus, OverlayProperties> getOverlaySupport();
 
+    ndk::ScopedAStatus setRefreshRateChangedCallbackDebugEnabled(int64_t display, bool enabled);
+
+    std::vector<RefreshRateChangedDebugData> takeListOfRefreshRateChangedDebugData();
+
   private:
     ScopedAStatus addDisplayConfig(VtsDisplay* vtsDisplay, int32_t config);
     ScopedAStatus updateDisplayProperties(VtsDisplay* vtsDisplay, int32_t config);
@@ -197,9 +203,6 @@
 
     bool verifyComposerCallbackParams();
 
-    ndk::ScopedAStatus setRefreshRateChangedCallbackDebugEnabled(int64_t /* display */,
-                                                                 bool /* enabled */);
-
     // Keep track of displays and layers. When a test fails/ends,
     // the VtsComposerClient::tearDown should be called from the
     // test tearDown to clean up the resources for the test.
@@ -245,15 +248,17 @@
     };
 
     void addDisplayConfig(int32_t config, DisplayConfig displayConfig) {
-        displayConfigs.insert({config, displayConfig});
+        mDisplayConfigs.insert({config, displayConfig});
     }
 
-    DisplayConfig getDisplayConfig(int32_t config) { return displayConfigs.find(config)->second; }
+    DisplayConfig getDisplayConfig(int32_t config) { return mDisplayConfigs.find(config)->second; }
+
+    std::unordered_map<int32_t, DisplayConfig> getDisplayConfigs() { return mDisplayConfigs; }
 
   private:
     int64_t mDisplayId;
     int32_t mDisplayWidth;
     int32_t mDisplayHeight;
-    std::unordered_map<int32_t, DisplayConfig> displayConfigs;
+    std::unordered_map<int32_t, DisplayConfig> mDisplayConfigs;
 };
 }  // namespace aidl::android::hardware::graphics::composer3::vts
diff --git a/graphics/composer/aidl/vts/VtsHalGraphicsComposer3_TargetTest.cpp b/graphics/composer/aidl/vts/VtsHalGraphicsComposer3_TargetTest.cpp
index 4974e71..1ecd405 100644
--- a/graphics/composer/aidl/vts/VtsHalGraphicsComposer3_TargetTest.cpp
+++ b/graphics/composer/aidl/vts/VtsHalGraphicsComposer3_TargetTest.cpp
@@ -1217,6 +1217,14 @@
         }
     }
 
+    bool checkIfCallbackRefreshRateChangedDebugEnabledReceived(
+            std::function<bool(RefreshRateChangedDebugData)> filter) {
+        const auto list = mComposerClient->takeListOfRefreshRateChangedDebugData();
+        return std::any_of(list.begin(), list.end(), [&](auto refreshRateChangedDebugData) {
+            return filter(refreshRateChangedDebugData);
+        });
+    }
+
     sp<GraphicBuffer> allocate(::android::PixelFormat pixelFormat) {
         return sp<GraphicBuffer>::make(
                 static_cast<uint32_t>(getPrimaryDisplay().getDisplayWidth()),
@@ -1316,7 +1324,7 @@
         return vsyncPeriod;
     }
 
-    int64_t createOnScreenLayer() {
+    int64_t createOnScreenLayer(Composition composition = Composition::DEVICE) {
         const auto& [status, layer] =
                 mComposerClient->createLayer(getPrimaryDisplayId(), kBufferSlotCount);
         EXPECT_TRUE(status.isOk());
@@ -1324,12 +1332,25 @@
                           getPrimaryDisplay().getDisplayHeight()};
         FRect cropRect{0, 0, (float)getPrimaryDisplay().getDisplayWidth(),
                        (float)getPrimaryDisplay().getDisplayHeight()};
-        configureLayer(getPrimaryDisplay(), layer, Composition::DEVICE, displayFrame, cropRect);
+        configureLayer(getPrimaryDisplay(), layer, composition, displayFrame, cropRect);
         auto& writer = getWriter(getPrimaryDisplayId());
         writer.setLayerDataspace(getPrimaryDisplayId(), layer, common::Dataspace::UNKNOWN);
         return layer;
     }
 
+    void sendBufferUpdate(int64_t layer) {
+        const auto buffer = allocate(::android::PIXEL_FORMAT_RGBA_8888);
+        ASSERT_NE(nullptr, buffer->handle);
+
+        auto& writer = getWriter(getPrimaryDisplayId());
+        writer.setLayerBuffer(getPrimaryDisplayId(), layer, /*slot*/ 0, buffer->handle,
+                              /*acquireFence*/ -1);
+
+        const sp<::android::Fence> presentFence =
+                presentAndGetFence(ComposerClientWriter::kNoTimestamp);
+        presentFence->waitForever(LOG_TAG);
+    }
+
     bool hasDisplayCapability(int64_t display, DisplayCapability cap) {
         const auto& [status, capabilities] = mComposerClient->getDisplayCapabilities(display);
         EXPECT_TRUE(status.isOk());
@@ -2268,6 +2289,176 @@
     EXPECT_TRUE(mComposerClient->setPowerMode(getPrimaryDisplayId(), PowerMode::OFF).isOk());
 }
 
+TEST_P(GraphicsComposerAidlCommandTest, SetRefreshRateChangedCallbackDebug_Unsupported) {
+    if (!hasCapability(Capability::REFRESH_RATE_CHANGED_CALLBACK_DEBUG)) {
+        auto status = mComposerClient->setRefreshRateChangedCallbackDebugEnabled(
+                getPrimaryDisplayId(), /*enabled*/ true);
+        EXPECT_FALSE(status.isOk());
+        EXPECT_NO_FATAL_FAILURE(
+                assertServiceSpecificError(status, IComposerClient::EX_UNSUPPORTED));
+
+        status = mComposerClient->setRefreshRateChangedCallbackDebugEnabled(getPrimaryDisplayId(),
+                                                                            /*enabled*/ false);
+        EXPECT_FALSE(status.isOk());
+        EXPECT_NO_FATAL_FAILURE(
+                assertServiceSpecificError(status, IComposerClient::EX_UNSUPPORTED));
+    }
+}
+
+TEST_P(GraphicsComposerAidlCommandTest, SetRefreshRateChangedCallbackDebug_Enabled) {
+    if (!hasCapability(Capability::REFRESH_RATE_CHANGED_CALLBACK_DEBUG)) {
+        GTEST_SUCCEED() << "Capability::REFRESH_RATE_CHANGED_CALLBACK_DEBUG is not supported";
+        return;
+    }
+
+    const auto displayId = getPrimaryDisplayId();
+    EXPECT_TRUE(mComposerClient->setPowerMode(displayId, PowerMode::ON).isOk());
+    // Enable the callback
+    ASSERT_TRUE(mComposerClient
+                        ->setRefreshRateChangedCallbackDebugEnabled(displayId,
+                                                                    /*enabled*/ true)
+                        .isOk());
+    std::this_thread::sleep_for(100ms);
+
+    const auto displayFilter = [displayId](auto refreshRateChangedDebugData) {
+        return displayId == refreshRateChangedDebugData.display;
+    };
+
+    // Check that we immediately got a callback
+    EXPECT_TRUE(checkIfCallbackRefreshRateChangedDebugEnabledReceived(displayFilter));
+
+    ASSERT_TRUE(mComposerClient
+                        ->setRefreshRateChangedCallbackDebugEnabled(displayId,
+                                                                    /*enabled*/ false)
+                        .isOk());
+}
+
+TEST_P(GraphicsComposerAidlCommandTest,
+       SetRefreshRateChangedCallbackDebugEnabled_noCallbackWhenIdle) {
+    if (!hasCapability(Capability::REFRESH_RATE_CHANGED_CALLBACK_DEBUG)) {
+        GTEST_SUCCEED() << "Capability::REFRESH_RATE_CHANGED_CALLBACK_DEBUG is not supported";
+        return;
+    }
+
+    auto display = getEditablePrimaryDisplay();
+    const auto displayId = display.getDisplayId();
+
+    if (!hasDisplayCapability(displayId, DisplayCapability::DISPLAY_IDLE_TIMER)) {
+        GTEST_SUCCEED() << "DisplayCapability::DISPLAY_IDLE_TIMER is not supported";
+        return;
+    }
+
+    EXPECT_TRUE(mComposerClient->setPowerMode(displayId, PowerMode::ON).isOk());
+    EXPECT_TRUE(mComposerClient->setPeakRefreshRateConfig(&display).isOk());
+
+    ASSERT_TRUE(mComposerClient->setIdleTimerEnabled(displayId, /*timeoutMs*/ 500).isOk());
+    // Enable the callback
+    ASSERT_TRUE(mComposerClient
+                        ->setRefreshRateChangedCallbackDebugEnabled(displayId,
+                                                                    /*enabled*/ true)
+                        .isOk());
+
+    const auto displayFilter = [displayId](auto refreshRateChangedDebugData) {
+        return displayId == refreshRateChangedDebugData.display;
+    };
+
+    int retryCount = 3;
+    do {
+        // Wait for 1s so that we enter the idle state
+        std::this_thread::sleep_for(1s);
+        if (!checkIfCallbackRefreshRateChangedDebugEnabledReceived(displayFilter)) {
+            // DID NOT receive a callback, we are in the idle state.
+            break;
+        }
+    } while (--retryCount > 0);
+
+    if (retryCount == 0) {
+        GTEST_SUCCEED() << "Unable to enter the idle mode";
+        return;
+    }
+
+    // Send the REFRESH_RATE_INDICATOR update
+    ASSERT_NO_FATAL_FAILURE(
+            sendBufferUpdate(createOnScreenLayer(Composition::REFRESH_RATE_INDICATOR)));
+    std::this_thread::sleep_for(1s);
+    EXPECT_FALSE(checkIfCallbackRefreshRateChangedDebugEnabledReceived(displayFilter))
+            << "A callback should not be received for REFRESH_RATE_INDICATOR";
+
+    EXPECT_TRUE(mComposerClient
+                        ->setRefreshRateChangedCallbackDebugEnabled(displayId,
+                                                                    /*enabled*/ false)
+                        .isOk());
+}
+
+TEST_P(GraphicsComposerAidlCommandTest,
+       SetRefreshRateChangedCallbackDebugEnabled_SetActiveConfigWithConstraints) {
+    if (!hasCapability(Capability::REFRESH_RATE_CHANGED_CALLBACK_DEBUG)) {
+        GTEST_SUCCEED() << "Capability::REFRESH_RATE_CHANGED_CALLBACK_DEBUG is not supported";
+        return;
+    }
+
+    VsyncPeriodChangeConstraints constraints;
+    constraints.seamlessRequired = false;
+    constraints.desiredTimeNanos = systemTime();
+
+    for (VtsDisplay& display : mDisplays) {
+        const auto displayId = display.getDisplayId();
+        EXPECT_TRUE(mComposerClient->setPowerMode(displayId, PowerMode::ON).isOk());
+
+        // Enable the callback
+        ASSERT_TRUE(mComposerClient
+                            ->setRefreshRateChangedCallbackDebugEnabled(displayId, /*enabled*/ true)
+                            .isOk());
+
+        forEachTwoConfigs(displayId, [&](int32_t config1, int32_t config2) {
+            const int32_t vsyncPeriod1 = display.getDisplayConfig(config1).vsyncPeriod;
+            const int32_t vsyncPeriod2 = display.getDisplayConfig(config2).vsyncPeriod;
+
+            if (vsyncPeriod1 == vsyncPeriod2) {
+                return;  // continue
+            }
+
+            EXPECT_TRUE(mComposerClient->setActiveConfig(&display, config1).isOk());
+            sendRefreshFrame(display, nullptr);
+
+            const auto& [status, timeline] =
+                    mComposerClient->setActiveConfigWithConstraints(&display, config2, constraints);
+            EXPECT_TRUE(status.isOk());
+
+            if (timeline.refreshRequired) {
+                sendRefreshFrame(display, &timeline);
+            }
+
+            const auto callbackFilter = [displayId,
+                                         vsyncPeriod2](auto refreshRateChangedDebugData) {
+                constexpr int kVsyncThreshold = 1000;
+                return displayId == refreshRateChangedDebugData.display &&
+                       std::abs(vsyncPeriod2 - refreshRateChangedDebugData.vsyncPeriodNanos) <=
+                               kVsyncThreshold;
+            };
+
+            int retryCount = 3;
+            do {
+                std::this_thread::sleep_for(100ms);
+                if (checkIfCallbackRefreshRateChangedDebugEnabledReceived(callbackFilter)) {
+                    GTEST_SUCCEED() << "Received a callback successfully";
+                    break;
+                }
+            } while (--retryCount > 0);
+
+            if (retryCount == 0) {
+                GTEST_FAIL() << "failed to get a callback for the display " << displayId
+                             << " with config " << config2;
+            }
+        });
+
+        EXPECT_TRUE(
+                mComposerClient
+                        ->setRefreshRateChangedCallbackDebugEnabled(displayId, /*enabled*/ false)
+                        .isOk());
+    }
+}
+
 /*
  * Test that no two display configs are exactly the same.
  */
diff --git a/keymaster/4.0/vts/performance/Benchmark.cpp b/keymaster/4.0/vts/performance/Benchmark.cpp
index 96ef5bf..e5fdff2 100644
--- a/keymaster/4.0/vts/performance/Benchmark.cpp
+++ b/keymaster/4.0/vts/performance/Benchmark.cpp
@@ -315,7 +315,7 @@
 
     SecurityLevel getSecurityLevel() { return securityLevel_; }
 
-    const string& GenerateMessage(int size) {
+    const string GenerateMessage(int size) {
         for (const string& message : message_cache_) {
             if (message.size() == size) {
                 return message;
@@ -323,7 +323,7 @@
         }
         string message = string(size, 'x');
         message_cache_.push_back(message);
-        return std::move(message);
+        return message;
     }
 
     optional<BlockMode> getBlockMode(string transform) {
@@ -714,4 +714,4 @@
         return 1;
     }
     ::benchmark::RunSpecifiedBenchmarks();
-}
\ No newline at end of file
+}
diff --git a/media/omx/1.0/vts/functional/store/VtsHalMediaOmxV1_0TargetStoreTest.cpp b/media/omx/1.0/vts/functional/store/VtsHalMediaOmxV1_0TargetStoreTest.cpp
old mode 100755
new mode 100644
index 00e9837..d80e651
--- a/media/omx/1.0/vts/functional/store/VtsHalMediaOmxV1_0TargetStoreTest.cpp
+++ b/media/omx/1.0/vts/functional/store/VtsHalMediaOmxV1_0TargetStoreTest.cpp
@@ -374,21 +374,16 @@
     }
 }
 
-static int getFirstApiLevel() {
-    int boardApiLevel = android::base::GetIntProperty("ro.board.first_api_level", 0);
-    if (boardApiLevel != 0) {
-        return boardApiLevel;
-    }
-
-    return android::base::GetIntProperty("ro.product.first_api_level", __ANDROID_API_T__);
-}
-
 static bool isTV() {
     return testing::deviceSupportsFeature("android.software.leanback");
 }
 
 // list components and roles.
 TEST_P(StoreHidlTest, OmxCodecAllowedTest) {
+    static int sBoardFirstApiLevel = android::base::GetIntProperty("ro.board.first_api_level", 0);
+    if (sBoardFirstApiLevel == 0) {
+        GTEST_SKIP() << "board first API level not detected";
+    }
     hidl_vec<IOmx::ComponentInfo> componentInfos = getComponentInfoList(omx);
     for (IOmx::ComponentInfo info : componentInfos) {
         for (std::string role : info.mRoles) {
@@ -396,27 +391,27 @@
                 role.find("video_encoder") != std::string::npos) {
                 // Codec2 is not mandatory on Android TV devices that launched with Android S
                 if (isTV()) {
-                    ASSERT_LT(getFirstApiLevel(), __ANDROID_API_T__)
+                    ASSERT_LT(sBoardFirstApiLevel, __ANDROID_API_T__)
                             << " Component: " << info.mName.c_str() << " Role: " << role.c_str()
                             << " not allowed for devices launching with Android T and above";
                 } else {
                     std::string codecName = info.mName;
                     bool isAndroidCodec = (codecName.rfind("OMX.google", 0) != std::string::npos);
-                    if (isAndroidCodec && (getFirstApiLevel() <= __ANDROID_API_S__)) {
+                    if (isAndroidCodec && (sBoardFirstApiLevel <= __ANDROID_API_S__)) {
                         // refer b/230582620
                         // S AOSP build did not remove the OMX.google video codecs
                         // so it is infeasible to require no OMX.google.* video codecs
                         // on S launching devices
                     } else {
-                        ASSERT_LT(getFirstApiLevel(), __ANDROID_API_S__)
-                            << " Component: " << info.mName.c_str() << " Role: " << role.c_str()
-                            << " not allowed for devices launching with Android S and above";
+                        ASSERT_LT(sBoardFirstApiLevel, __ANDROID_API_S__)
+                                << " Component: " << info.mName.c_str() << " Role: " << role.c_str()
+                                << " not allowed for devices launching with Android S and above";
                     }
                 }
             }
             if (role.find("audio_decoder") != std::string::npos ||
                 role.find("audio_encoder") != std::string::npos) {
-                ASSERT_LT(getFirstApiLevel(), __ANDROID_API_T__)
+                ASSERT_LT(sBoardFirstApiLevel, __ANDROID_API_T__)
                         << " Component: " << info.mName.c_str() << " Role: " << role.c_str()
                         << " not allowed for devices launching with Android T and above";
             }
diff --git a/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/AmrMode.aidl b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/AmrMode.aidl
index 84376b7..37e3b25 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/AmrMode.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/AmrMode.aidl
@@ -34,13 +34,13 @@
 package android.hardware.radio.ims.media;
 @Backing(type="int") @VintfStability
 enum AmrMode {
-  AMR_MODE_0 = (1 << 0),
-  AMR_MODE_1 = (1 << 1),
-  AMR_MODE_2 = (1 << 2),
-  AMR_MODE_3 = (1 << 3),
-  AMR_MODE_4 = (1 << 4),
-  AMR_MODE_5 = (1 << 5),
-  AMR_MODE_6 = (1 << 6),
-  AMR_MODE_7 = (1 << 7),
-  AMR_MODE_8 = (1 << 8),
+  AMR_MODE_0 = (1 << 0) /* 1 */,
+  AMR_MODE_1 = (1 << 1) /* 2 */,
+  AMR_MODE_2 = (1 << 2) /* 4 */,
+  AMR_MODE_3 = (1 << 3) /* 8 */,
+  AMR_MODE_4 = (1 << 4) /* 16 */,
+  AMR_MODE_5 = (1 << 5) /* 32 */,
+  AMR_MODE_6 = (1 << 6) /* 64 */,
+  AMR_MODE_7 = (1 << 7) /* 128 */,
+  AMR_MODE_8 = (1 << 8) /* 256 */,
 }
diff --git a/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/CodecType.aidl b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/CodecType.aidl
index 9eaf129..e4193cd 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/CodecType.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/CodecType.aidl
@@ -34,9 +34,9 @@
 package android.hardware.radio.ims.media;
 @Backing(type="int") @VintfStability
 enum CodecType {
-  AMR = (1 << 0),
-  AMR_WB = (1 << 1),
-  EVS = (1 << 2),
-  PCMA = (1 << 3),
-  PCMU = (1 << 4),
+  AMR = (1 << 0) /* 1 */,
+  AMR_WB = (1 << 1) /* 2 */,
+  EVS = (1 << 2) /* 4 */,
+  PCMA = (1 << 3) /* 8 */,
+  PCMU = (1 << 4) /* 16 */,
 }
diff --git a/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/EvsBandwidth.aidl b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/EvsBandwidth.aidl
index 5e80f91..db3eb29 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/EvsBandwidth.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/EvsBandwidth.aidl
@@ -35,8 +35,8 @@
 @Backing(type="int") @VintfStability
 enum EvsBandwidth {
   NONE = 0,
-  NARROW_BAND = (1 << 0),
-  WIDE_BAND = (1 << 1),
-  SUPER_WIDE_BAND = (1 << 2),
-  FULL_BAND = (1 << 3),
+  NARROW_BAND = (1 << 0) /* 1 */,
+  WIDE_BAND = (1 << 1) /* 2 */,
+  SUPER_WIDE_BAND = (1 << 2) /* 4 */,
+  FULL_BAND = (1 << 3) /* 8 */,
 }
diff --git a/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/EvsMode.aidl b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/EvsMode.aidl
index a530a8d..fb1f14d 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/EvsMode.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/EvsMode.aidl
@@ -34,25 +34,25 @@
 package android.hardware.radio.ims.media;
 @Backing(type="int") @VintfStability
 enum EvsMode {
-  EVS_MODE_0 = (1 << 0),
-  EVS_MODE_1 = (1 << 1),
-  EVS_MODE_2 = (1 << 2),
-  EVS_MODE_3 = (1 << 3),
-  EVS_MODE_4 = (1 << 4),
-  EVS_MODE_5 = (1 << 5),
-  EVS_MODE_6 = (1 << 6),
-  EVS_MODE_7 = (1 << 7),
-  EVS_MODE_8 = (1 << 8),
-  EVS_MODE_9 = (1 << 9),
-  EVS_MODE_10 = (1 << 10),
-  EVS_MODE_11 = (1 << 11),
-  EVS_MODE_12 = (1 << 12),
-  EVS_MODE_13 = (1 << 13),
-  EVS_MODE_14 = (1 << 14),
-  EVS_MODE_15 = (1 << 15),
-  EVS_MODE_16 = (1 << 16),
-  EVS_MODE_17 = (1 << 17),
-  EVS_MODE_18 = (1 << 18),
-  EVS_MODE_19 = (1 << 19),
-  EVS_MODE_20 = (1 << 20),
+  EVS_MODE_0 = (1 << 0) /* 1 */,
+  EVS_MODE_1 = (1 << 1) /* 2 */,
+  EVS_MODE_2 = (1 << 2) /* 4 */,
+  EVS_MODE_3 = (1 << 3) /* 8 */,
+  EVS_MODE_4 = (1 << 4) /* 16 */,
+  EVS_MODE_5 = (1 << 5) /* 32 */,
+  EVS_MODE_6 = (1 << 6) /* 64 */,
+  EVS_MODE_7 = (1 << 7) /* 128 */,
+  EVS_MODE_8 = (1 << 8) /* 256 */,
+  EVS_MODE_9 = (1 << 9) /* 512 */,
+  EVS_MODE_10 = (1 << 10) /* 1024 */,
+  EVS_MODE_11 = (1 << 11) /* 2048 */,
+  EVS_MODE_12 = (1 << 12) /* 4096 */,
+  EVS_MODE_13 = (1 << 13) /* 8192 */,
+  EVS_MODE_14 = (1 << 14) /* 16384 */,
+  EVS_MODE_15 = (1 << 15) /* 32768 */,
+  EVS_MODE_16 = (1 << 16) /* 65536 */,
+  EVS_MODE_17 = (1 << 17) /* 131072 */,
+  EVS_MODE_18 = (1 << 18) /* 262144 */,
+  EVS_MODE_19 = (1 << 19) /* 524288 */,
+  EVS_MODE_20 = (1 << 20) /* 1048576 */,
 }
diff --git a/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/MediaDirection.aidl b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/MediaDirection.aidl
index d90b2a4..0e9eaee 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/MediaDirection.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/MediaDirection.aidl
@@ -35,8 +35,8 @@
 @Backing(type="int") @VintfStability
 enum MediaDirection {
   NO_FLOW = 0,
-  SEND_ONLY = 1,
-  RECEIVE_ONLY = 2,
-  SEND_RECEIVE = 3,
-  INACTIVE = 4,
+  RTP_TX = (1 << 0) /* 1 */,
+  RTP_RX = (1 << 1) /* 2 */,
+  RTCP_TX = (1 << 2) /* 4 */,
+  RTCP_RX = (1 << 3) /* 8 */,
 }
diff --git a/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/RtcpXrReportBlockType.aidl b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/RtcpXrReportBlockType.aidl
index 0663754..289c810 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/RtcpXrReportBlockType.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/RtcpXrReportBlockType.aidl
@@ -35,11 +35,11 @@
 @Backing(type="int") @VintfStability
 enum RtcpXrReportBlockType {
   RTCPXR_NONE = 0,
-  RTCPXR_LOSS_RLE_REPORT_BLOCK = (1 << 0),
-  RTCPXR_DUPLICATE_RLE_REPORT_BLOCK = (1 << 1),
-  RTCPXR_PACKET_RECEIPT_TIMES_REPORT_BLOCK = (1 << 2),
-  RTCPXR_RECEIVER_REFERENCE_TIME_REPORT_BLOCK = (1 << 3),
-  RTCPXR_DLRR_REPORT_BLOCK = (1 << 4),
-  RTCPXR_STATISTICS_SUMMARY_REPORT_BLOCK = (1 << 5),
-  RTCPXR_VOIP_METRICS_REPORT_BLOCK = (1 << 6),
+  RTCPXR_LOSS_RLE_REPORT_BLOCK = (1 << 0) /* 1 */,
+  RTCPXR_DUPLICATE_RLE_REPORT_BLOCK = (1 << 1) /* 2 */,
+  RTCPXR_PACKET_RECEIPT_TIMES_REPORT_BLOCK = (1 << 2) /* 4 */,
+  RTCPXR_RECEIVER_REFERENCE_TIME_REPORT_BLOCK = (1 << 3) /* 8 */,
+  RTCPXR_DLRR_REPORT_BLOCK = (1 << 4) /* 16 */,
+  RTCPXR_STATISTICS_SUMMARY_REPORT_BLOCK = (1 << 5) /* 32 */,
+  RTCPXR_VOIP_METRICS_REPORT_BLOCK = (1 << 6) /* 64 */,
 }
diff --git a/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/RtpConfig.aidl b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/RtpConfig.aidl
index 1a8921e..8a826f6 100644
--- a/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/RtpConfig.aidl
+++ b/radio/aidl/aidl_api/android.hardware.radio.ims.media/current/android/hardware/radio/ims/media/RtpConfig.aidl
@@ -34,7 +34,7 @@
 package android.hardware.radio.ims.media;
 @VintfStability
 parcelable RtpConfig {
-  android.hardware.radio.ims.media.MediaDirection direction;
+  int direction;
   android.hardware.radio.AccessNetwork accessNetwork;
   android.hardware.radio.ims.media.RtpAddress remoteAddress;
   android.hardware.radio.ims.media.RtpSessionParams sessionParams;
diff --git a/radio/aidl/android/hardware/radio/ims/media/MediaDirection.aidl b/radio/aidl/android/hardware/radio/ims/media/MediaDirection.aidl
index 9f04d8e..e5c34c7 100644
--- a/radio/aidl/android/hardware/radio/ims/media/MediaDirection.aidl
+++ b/radio/aidl/android/hardware/radio/ims/media/MediaDirection.aidl
@@ -16,6 +16,17 @@
 
 package android.hardware.radio.ims.media;
 
+/**
+ * Directions can be combined to meet various media direction
+ * requirements depending on the scenario.
+ *
+ * Examples:
+ *     No Flow      : NO_FLOW - eg. SRVCC.
+ *     RTCP-only    : RTCP_TX | RTCP_RX - eg. Local Hold or Dual Hold.
+ *     Receive-Only : RTP_RX | RTCP_TX | RTCP_RX - eg. Remote Hold.
+ *     Send-Receive : RTP_TX | RTP_RX | RTCP_TX | RTCP_RX - eg. Active call.
+ *     Send-Only    : RTP_TX | RTCP_TX | RTCP_RX - eg. Simplex call, voice mail, etc
+ */
 @VintfStability
 @Backing(type="int")
 enum MediaDirection {
@@ -24,12 +35,16 @@
      * may release the audio resource. Eg. SRVCC.
      */
     NO_FLOW = 0,
-    /** Device sends outgoing RTP and drops incoming RTP */
-    SEND_ONLY = 1,
-    /** Device receives the downlink RTP and does not transmit any uplink RTP */
-    RECEIVE_ONLY = 2,
-    /** Device sends and receive RTP in both directions */
-    SEND_RECEIVE = 3,
-    /** No RTP flow however RTCP continues to flow. Eg. HOLD */
-    INACTIVE = 4,
+
+    /** Send RTP packets */
+    RTP_TX = 1 << 0,
+
+    /** Receive and processes RTP packets */
+    RTP_RX = 1 << 1,
+
+    /** Send RTCP packets */
+    RTCP_TX = 1 << 2,
+
+    /** Receive RTCP packets */
+    RTCP_RX = 1 << 3,
 }
diff --git a/radio/aidl/android/hardware/radio/ims/media/RtpConfig.aidl b/radio/aidl/android/hardware/radio/ims/media/RtpConfig.aidl
index f6696f7..f93b112 100644
--- a/radio/aidl/android/hardware/radio/ims/media/RtpConfig.aidl
+++ b/radio/aidl/android/hardware/radio/ims/media/RtpConfig.aidl
@@ -18,15 +18,14 @@
 
 import android.hardware.radio.AccessNetwork;
 import android.hardware.radio.ims.media.AnbrMode;
-import android.hardware.radio.ims.media.MediaDirection;
 import android.hardware.radio.ims.media.RtcpConfig;
 import android.hardware.radio.ims.media.RtpAddress;
 import android.hardware.radio.ims.media.RtpSessionParams;
 
 @VintfStability
 parcelable RtpConfig {
-    /** Media flow direction */
-    MediaDirection direction;
+    /** Media flow direction. The bitfield of MediaDirection(s) */
+    int direction;
     /** Radio Access Network */
     AccessNetwork accessNetwork;
     /** IP address and port number of the other party for RTP media */
diff --git a/radio/aidl/vts/radio_imsmedia_test.cpp b/radio/aidl/vts/radio_imsmedia_test.cpp
index d9e57c9..2b6f5ef 100644
--- a/radio/aidl/vts/radio_imsmedia_test.cpp
+++ b/radio/aidl/vts/radio_imsmedia_test.cpp
@@ -14,6 +14,7 @@
  * limitations under the License.
  */
 
+#include <aidl/android/hardware/radio/ims/media/MediaDirection.h>
 #include <android-base/logging.h>
 #include <android/binder_auto_utils.h>
 #include <android/binder_manager.h>
@@ -44,8 +45,10 @@
     int32_t sessionId = 1;
     RtpConfig modifyRtpConfig;
 
-    modifyRtpConfig.direction =
-            ::aidl::android::hardware::radio::ims::media::MediaDirection::SEND_RECEIVE;
+    modifyRtpConfig.direction = static_cast<int32_t>(MediaDirection::RTP_TX) |
+                                static_cast<int32_t>(MediaDirection::RTP_RX) |
+                                static_cast<int32_t>(MediaDirection::RTCP_TX) |
+                                static_cast<int32_t>(MediaDirection::RTCP_RX);
     modifyRtpConfig.remoteAddress.ipAddress = "122.22.22.33";
     modifyRtpConfig.remoteAddress.portNumber = 1234;
 
@@ -90,8 +93,10 @@
     int32_t duration = 200;
     RtpConfig modifyRtpConfig;
 
-    modifyRtpConfig.direction =
-            ::aidl::android::hardware::radio::ims::media::MediaDirection::SEND_RECEIVE;
+    modifyRtpConfig.direction = static_cast<int32_t>(MediaDirection::RTP_TX) |
+                                static_cast<int32_t>(MediaDirection::RTP_RX) |
+                                static_cast<int32_t>(MediaDirection::RTCP_TX) |
+                                static_cast<int32_t>(MediaDirection::RTCP_RX);
     modifyRtpConfig.remoteAddress.ipAddress = "122.22.22.33";
     modifyRtpConfig.remoteAddress.portNumber = 1234;
 
@@ -143,8 +148,10 @@
     std::vector<RtpHeaderExtension> extensions;
     RtpConfig modifyRtpConfig;
 
-    modifyRtpConfig.direction =
-            ::aidl::android::hardware::radio::ims::media::MediaDirection::SEND_RECEIVE;
+    modifyRtpConfig.direction = static_cast<int32_t>(MediaDirection::RTP_TX) |
+                                static_cast<int32_t>(MediaDirection::RTP_RX) |
+                                static_cast<int32_t>(MediaDirection::RTCP_TX) |
+                                static_cast<int32_t>(MediaDirection::RTCP_RX);
     modifyRtpConfig.remoteAddress.ipAddress = "122.22.22.33";
     modifyRtpConfig.remoteAddress.portNumber = 1234;
 
@@ -190,8 +197,10 @@
     MediaQualityThreshold threshold;
     RtpConfig modifyRtpConfig;
 
-    modifyRtpConfig.direction =
-            ::aidl::android::hardware::radio::ims::media::MediaDirection::SEND_RECEIVE;
+    modifyRtpConfig.direction = static_cast<int32_t>(MediaDirection::RTP_TX) |
+                                static_cast<int32_t>(MediaDirection::RTP_RX) |
+                                static_cast<int32_t>(MediaDirection::RTCP_TX) |
+                                static_cast<int32_t>(MediaDirection::RTCP_RX);
     modifyRtpConfig.remoteAddress.ipAddress = "122.22.22.33";
     modifyRtpConfig.remoteAddress.portNumber = 1234;
 
@@ -243,13 +252,14 @@
     localEndPoint.rtcpFd = ndk::ScopedFileDescriptor(mRtcpSocketFd);
     localEndPoint.modemId = 1;
 
-    rtpConfig.direction =
-            ::aidl::android::hardware::radio::ims::media::MediaDirection::SEND_RECEIVE;
+    rtpConfig.direction = static_cast<int32_t>(MediaDirection::RTP_TX) |
+                          static_cast<int32_t>(MediaDirection::RTP_RX) |
+                          static_cast<int32_t>(MediaDirection::RTCP_TX) |
+                          static_cast<int32_t>(MediaDirection::RTCP_RX);
     rtpConfig.remoteAddress.ipAddress = "122.22.22.22";
     rtpConfig.remoteAddress.portNumber = 2222;
 
     result = radio_imsmedia->openSession(sessionId, localEndPoint, rtpConfig);
-
     return result;
 }
 
diff --git a/secure_element/aidl/android/hardware/secure_element/ISecureElement.aidl b/secure_element/aidl/android/hardware/secure_element/ISecureElement.aidl
index b9ce9d1..8c0dd6d 100644
--- a/secure_element/aidl/android/hardware/secure_element/ISecureElement.aidl
+++ b/secure_element/aidl/android/hardware/secure_element/ISecureElement.aidl
@@ -123,6 +123,9 @@
     /**
      * Transmits an APDU command (as per ISO/IEC 7816) to the SE.
      *
+     * @throws ServiceSpecificException with code CHANNEL_NOT_AVAILABLE
+     *  if there was an error in communicating with the secure element.
+     *
      * @param data APDU command to be sent
      * @return response to the command
      */
diff --git a/secure_element/aidl/vts/VtsHalSecureElementTargetTest.cpp b/secure_element/aidl/vts/VtsHalSecureElementTargetTest.cpp
index 2e96f7d..0925a21 100644
--- a/secure_element/aidl/vts/VtsHalSecureElementTargetTest.cpp
+++ b/secure_element/aidl/vts/VtsHalSecureElementTargetTest.cpp
@@ -136,18 +136,27 @@
             apdu[0] |= (channel_number - 4) | 0x40;
         }
 
-        EXPECT_OK(secure_element_->transmit(apdu, &response));
+        // transmit() will return an empty response with the error
+        // code CHANNEL_NOT_AVAILABLE when the SE cannot be
+        // communicated with.
+        auto status = secure_element_->transmit(apdu, &response);
+        if (!status.isOk()) {
+            return 0x6881;
+        }
+
+        // transmit() will return a response containing at least
+        // the APDU response status otherwise.
         EXPECT_GE(response.size(), 2u);
-        uint16_t status =
+        uint16_t apdu_status =
                 (response[response.size() - 2] << 8) | (response[response.size() - 1] << 0);
 
         // When the command is successful the response
         // must contain 256 bytes of data.
-        if (status == 0x9000) {
+        if (apdu_status == 0x9000) {
             EXPECT_EQ(response.size(), 258);
         }
 
-        return status;
+        return apdu_status;
     }
 
     std::shared_ptr<ISecureElement> secure_element_;
diff --git a/security/keymint/aidl/vts/performance/KeyMintBenchmark.cpp b/security/keymint/aidl/vts/performance/KeyMintBenchmark.cpp
index 0c61c25..49fd0c9 100644
--- a/security/keymint/aidl/vts/performance/KeyMintBenchmark.cpp
+++ b/security/keymint/aidl/vts/performance/KeyMintBenchmark.cpp
@@ -68,7 +68,7 @@
 
     int getError() { return static_cast<int>(error_); }
 
-    const string& GenerateMessage(int size) {
+    const string GenerateMessage(int size) {
         for (const string& message : message_cache_) {
             if (message.size() == size) {
                 return message;
@@ -76,7 +76,7 @@
         }
         string message = string(size, 'x');
         message_cache_.push_back(message);
-        return std::move(message);
+        return message;
     }
 
     optional<BlockMode> getBlockMode(string transform) {
diff --git a/sensors/1.0/vts/functional/SensorsHidlEnvironmentV1_0.h b/sensors/1.0/vts/functional/SensorsHidlEnvironmentV1_0.h
index b802e6c..a4e4457 100644
--- a/sensors/1.0/vts/functional/SensorsHidlEnvironmentV1_0.h
+++ b/sensors/1.0/vts/functional/SensorsHidlEnvironmentV1_0.h
@@ -46,8 +46,6 @@
     bool resetHal() override;
     void startPollingThread() override;
     static void pollingThread(SensorsHidlEnvironmentV1_0* env, std::atomic_bool& stop);
-
-    GTEST_DISALLOW_COPY_AND_ASSIGN_(SensorsHidlEnvironmentV1_0);
 };
 
 #endif  // ANDROID_SENSORS_HIDL_ENVIRONMENT_V1_0_H
\ No newline at end of file
diff --git a/sensors/aidl/vts/SensorsAidlEnvironment.h b/sensors/aidl/vts/SensorsAidlEnvironment.h
index 2f5f287..a852e91 100644
--- a/sensors/aidl/vts/SensorsAidlEnvironment.h
+++ b/sensors/aidl/vts/SensorsAidlEnvironment.h
@@ -69,8 +69,6 @@
      */
     void readEvents();
 
-    GTEST_DISALLOW_COPY_AND_ASSIGN_(SensorsAidlEnvironment);
-
     /**
      * Pointer to the Sensors HAL Interface that allows the test to call HAL functions.
      */
diff --git a/sensors/common/vts/2_X/SensorsHidlEnvironmentV2_X.h b/sensors/common/vts/2_X/SensorsHidlEnvironmentV2_X.h
index 5fe4d8b..796de2f 100644
--- a/sensors/common/vts/2_X/SensorsHidlEnvironmentV2_X.h
+++ b/sensors/common/vts/2_X/SensorsHidlEnvironmentV2_X.h
@@ -79,8 +79,6 @@
      */
     void readEvents();
 
-    GTEST_DISALLOW_COPY_AND_ASSIGN_(SensorsHidlEnvironmentV2_X);
-
     /**
      * Pointer to the Sensors HAL Interface that allows the test to call HAL functions.
      */
diff --git a/sensors/common/vts/utils/include/sensors-vts-utils/SensorsVtsEnvironmentBase.h b/sensors/common/vts/utils/include/sensors-vts-utils/SensorsVtsEnvironmentBase.h
index 17a96ed..e851d40 100644
--- a/sensors/common/vts/utils/include/sensors-vts-utils/SensorsVtsEnvironmentBase.h
+++ b/sensors/common/vts/utils/include/sensors-vts-utils/SensorsVtsEnvironmentBase.h
@@ -115,6 +115,8 @@
         : mCollectionEnabled(false), mCallback(nullptr) {
         mServiceName = service_name;
     }
+    SensorsVtsEnvironmentBase(const SensorsVtsEnvironmentBase&) = delete;
+    SensorsVtsEnvironmentBase& operator=(const SensorsVtsEnvironmentBase&) = delete;
     virtual ~SensorsVtsEnvironmentBase(){};
 
     void addEvent(const Event& ev) {
@@ -139,8 +141,6 @@
     std::mutex mEventsMutex;
 
     IEventCallback<Event>* mCallback;
-
-    GTEST_DISALLOW_COPY_AND_ASSIGN_(SensorsVtsEnvironmentBase<Event>);
 };
 
 #endif  // ANDROID_SENSORS_VTS_ENVIRONMENT_BASE_H
\ No newline at end of file
diff --git a/tv/tuner/1.0/default/Dvr.cpp b/tv/tuner/1.0/default/Dvr.cpp
index 40879f2..9d6d86d 100644
--- a/tv/tuner/1.0/default/Dvr.cpp
+++ b/tv/tuner/1.0/default/Dvr.cpp
@@ -164,7 +164,7 @@
         return false;
     }
 
-    mDvrMQ = move(tmpDvrMQ);
+    mDvrMQ = std::move(tmpDvrMQ);
 
     if (EventFlag::createEventFlag(mDvrMQ->getEventFlagWord(), &mDvrEventFlag) != OK) {
         return false;
diff --git a/tv/tuner/1.1/default/Dvr.cpp b/tv/tuner/1.1/default/Dvr.cpp
index fdb66c1..8262b4d 100644
--- a/tv/tuner/1.1/default/Dvr.cpp
+++ b/tv/tuner/1.1/default/Dvr.cpp
@@ -183,7 +183,7 @@
         return false;
     }
 
-    mDvrMQ = move(tmpDvrMQ);
+    mDvrMQ = std::move(tmpDvrMQ);
 
     if (EventFlag::createEventFlag(mDvrMQ->getEventFlagWord(), &mDvrEventFlag) != OK) {
         return false;
diff --git a/usb/gadget/1.1/default/lib/MonitorFfs.cpp b/usb/gadget/1.1/default/lib/MonitorFfs.cpp
index 0cdf038..6d09a8a 100644
--- a/usb/gadget/1.1/default/lib/MonitorFfs.cpp
+++ b/usb/gadget/1.1/default/lib/MonitorFfs.cpp
@@ -59,9 +59,9 @@
 
     if (addEpollFd(epollFd, eventFd) == -1) abort();
 
-    mEpollFd = move(epollFd);
-    mInotifyFd = move(inotifyFd);
-    mEventFd = move(eventFd);
+    mEpollFd = std::move(epollFd);
+    mInotifyFd = std::move(inotifyFd);
+    mEventFd = std::move(eventFd);
     gadgetPullup = false;
 }
 
diff --git a/usb/gadget/1.2/default/lib/MonitorFfs.cpp b/usb/gadget/1.2/default/lib/MonitorFfs.cpp
index 0cdf038..6d09a8a 100644
--- a/usb/gadget/1.2/default/lib/MonitorFfs.cpp
+++ b/usb/gadget/1.2/default/lib/MonitorFfs.cpp
@@ -59,9 +59,9 @@
 
     if (addEpollFd(epollFd, eventFd) == -1) abort();
 
-    mEpollFd = move(epollFd);
-    mInotifyFd = move(inotifyFd);
-    mEventFd = move(eventFd);
+    mEpollFd = std::move(epollFd);
+    mInotifyFd = std::move(inotifyFd);
+    mEventFd = std::move(eventFd);
     gadgetPullup = false;
 }
 
diff --git a/uwb/aidl/aidl_api/android.hardware.uwb.fira_android/current/android/hardware/uwb/fira_android/UwbVendorReasonCodes.aidl b/uwb/aidl/aidl_api/android.hardware.uwb.fira_android/current/android/hardware/uwb/fira_android/UwbVendorReasonCodes.aidl
index dc2252b..d1f1256 100644
--- a/uwb/aidl/aidl_api/android.hardware.uwb.fira_android/current/android/hardware/uwb/fira_android/UwbVendorReasonCodes.aidl
+++ b/uwb/aidl/aidl_api/android.hardware.uwb.fira_android/current/android/hardware/uwb/fira_android/UwbVendorReasonCodes.aidl
@@ -35,4 +35,5 @@
 @Backing(type="int") @VintfStability
 enum UwbVendorReasonCodes {
   REASON_ERROR_INVALID_CHANNEL_WITH_AOA = 128,
+  REASON_REGULATION_UWB_OFF = 129,
 }
diff --git a/uwb/aidl/aidl_api/android.hardware.uwb.fira_android/current/android/hardware/uwb/fira_android/UwbVendorStatusCodes.aidl b/uwb/aidl/aidl_api/android.hardware.uwb.fira_android/current/android/hardware/uwb/fira_android/UwbVendorStatusCodes.aidl
index 2f534df..768ef8c 100644
--- a/uwb/aidl/aidl_api/android.hardware.uwb.fira_android/current/android/hardware/uwb/fira_android/UwbVendorStatusCodes.aidl
+++ b/uwb/aidl/aidl_api/android.hardware.uwb.fira_android/current/android/hardware/uwb/fira_android/UwbVendorStatusCodes.aidl
@@ -36,4 +36,5 @@
 enum UwbVendorStatusCodes {
   STATUS_ERROR_CCC_SE_BUSY = 80,
   STATUS_ERROR_CCC_LIFECYCLE = 81,
+  STATUS_REGULATION_UWB_OFF = 82,
 }
diff --git a/uwb/aidl/android/hardware/uwb/fira_android/UwbVendorReasonCodes.aidl b/uwb/aidl/android/hardware/uwb/fira_android/UwbVendorReasonCodes.aidl
index ae203a3..a64a188 100644
--- a/uwb/aidl/android/hardware/uwb/fira_android/UwbVendorReasonCodes.aidl
+++ b/uwb/aidl/android/hardware/uwb/fira_android/UwbVendorReasonCodes.aidl
@@ -24,11 +24,13 @@
 @Backing(type="int")
 enum UwbVendorReasonCodes {
     /**
-     * Use values from the vendor specific reason code range: 0x80 – 0xFF defined in Table 16 of
-     * UCI specification.
+     * Use values from the vendor specific reason code range: 0x80 – 0xFF defined in
+     * Table 15 (state change with reason codes) of UCI specification.
      */
 
     /** Fira specific */
     /** The channel requested is not available for AoA */
     REASON_ERROR_INVALID_CHANNEL_WITH_AOA = 0x80,
+    /** UWB has been disabled (eg: country code change leads to UWB unsupported) */
+    REASON_REGULATION_UWB_OFF = 0x81,
 }
diff --git a/uwb/aidl/android/hardware/uwb/fira_android/UwbVendorStatusCodes.aidl b/uwb/aidl/android/hardware/uwb/fira_android/UwbVendorStatusCodes.aidl
index 8505b8a..f1eea9d 100644
--- a/uwb/aidl/android/hardware/uwb/fira_android/UwbVendorStatusCodes.aidl
+++ b/uwb/aidl/android/hardware/uwb/fira_android/UwbVendorStatusCodes.aidl
@@ -33,4 +33,6 @@
     STATUS_ERROR_CCC_SE_BUSY = 0x50,
     /** CCC Lifecycle error */
     STATUS_ERROR_CCC_LIFECYCLE = 0x51,
+    /** UWB Regulation Off */
+    STATUS_REGULATION_UWB_OFF = 0x52,
 }
diff --git a/vibrator/OWNERS b/vibrator/OWNERS
index 05e2e73..62a567e 100644
--- a/vibrator/OWNERS
+++ b/vibrator/OWNERS
@@ -2,7 +2,6 @@
 
 include platform/frameworks/base:/services/core/java/com/android/server/vibrator/OWNERS
 
-chasewu@google.com
 chrispaulo@google.com
 michaelwr@google.com
 nathankulczak@google.com
diff --git a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/IWifiChip.aidl b/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/IWifiChip.aidl
index b27b06f..23f4030 100644
--- a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/IWifiChip.aidl
+++ b/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/IWifiChip.aidl
@@ -47,7 +47,7 @@
   @PropagateAllowBlocking android.hardware.wifi.IWifiApIface getApIface(in String ifname);
   String[] getApIfaceNames();
   android.hardware.wifi.IWifiChip.ChipMode[] getAvailableModes();
-  android.hardware.wifi.IWifiChip.ChipCapabilityMask getCapabilities();
+  int getCapabilities();
   android.hardware.wifi.WifiDebugHostWakeReasonStats getDebugHostWakeReasonStats();
   android.hardware.wifi.WifiDebugRingBufferStatus[] getDebugRingBuffersStatus();
   int getId();
@@ -58,9 +58,9 @@
   String[] getP2pIfaceNames();
   @PropagateAllowBlocking android.hardware.wifi.IWifiStaIface getStaIface(in String ifname);
   String[] getStaIfaceNames();
-  android.hardware.wifi.WifiRadioCombinationMatrix getSupportedRadioCombinationsMatrix();
+  android.hardware.wifi.WifiRadioCombination[] getSupportedRadioCombinations();
   android.hardware.wifi.WifiChipCapabilities getWifiChipCapabilities();
-  android.hardware.wifi.WifiUsableChannel[] getUsableChannels(in android.hardware.wifi.WifiBand band, in android.hardware.wifi.WifiIfaceMode ifaceModeMask, in android.hardware.wifi.IWifiChip.UsableChannelFilter filterMask);
+  android.hardware.wifi.WifiUsableChannel[] getUsableChannels(in android.hardware.wifi.WifiBand band, in int ifaceModeMask, in int filterMask);
   void setAfcChannelAllowance(in android.hardware.wifi.AvailableAfcFrequencyInfo[] availableAfcFrequencyInfo);
   void registerEventCallback(in android.hardware.wifi.IWifiChipEventCallback callback);
   void removeApIface(in String ifname);
@@ -73,7 +73,7 @@
   byte[] requestFirmwareDebugDump();
   void resetTxPowerScenario();
   void selectTxPowerScenario(in android.hardware.wifi.IWifiChip.TxPowerScenario scenario);
-  void setCoexUnsafeChannels(in android.hardware.wifi.IWifiChip.CoexUnsafeChannel[] unsafeChannels, in android.hardware.wifi.IWifiChip.CoexRestriction restrictions);
+  void setCoexUnsafeChannels(in android.hardware.wifi.IWifiChip.CoexUnsafeChannel[] unsafeChannels, in int restrictions);
   void setCountryCode(in byte[2] code);
   void setLatencyMode(in android.hardware.wifi.IWifiChip.LatencyMode mode);
   void setMultiStaPrimaryConnection(in String ifName);
@@ -81,7 +81,7 @@
   void startLoggingToDebugRingBuffer(in String ringName, in android.hardware.wifi.WifiDebugRingBufferVerboseLevel verboseLevel, in int maxIntervalInSec, in int minDataSizeInBytes);
   void stopLoggingToDebugRingBuffer();
   void triggerSubsystemRestart();
-  void enableStaChannelForPeerNetwork(in android.hardware.wifi.IWifiChip.ChannelCategoryMask channelCategoryEnableFlag);
+  void enableStaChannelForPeerNetwork(in int channelCategoryEnableFlag);
   void setMloMode(in android.hardware.wifi.IWifiChip.ChipMloMode mode);
   const int NO_POWER_CAP_CONSTANT = 0x7FFFFFFF;
   @Backing(type="int") @VintfStability
diff --git a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/IWifiStaIface.aidl b/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/IWifiStaIface.aidl
index 31b6881..a7f2081 100644
--- a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/IWifiStaIface.aidl
+++ b/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/IWifiStaIface.aidl
@@ -41,7 +41,7 @@
   void enableNdOffload(in boolean enable);
   android.hardware.wifi.StaApfPacketFilterCapabilities getApfPacketFilterCapabilities();
   android.hardware.wifi.StaBackgroundScanCapabilities getBackgroundScanCapabilities();
-  android.hardware.wifi.IWifiStaIface.StaIfaceCapabilityMask getCapabilities();
+  int getCapabilities();
   android.hardware.wifi.WifiDebugRxPacketFateReport[] getDebugRxPacketFates();
   android.hardware.wifi.WifiDebugTxPacketFateReport[] getDebugTxPacketFates();
   byte[6] getFactoryMacAddress();
diff --git a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/NanCapabilities.aidl b/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/NanCapabilities.aidl
index bb44679..a30893a 100644
--- a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/NanCapabilities.aidl
+++ b/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/NanCapabilities.aidl
@@ -47,7 +47,7 @@
   int maxAppInfoLen;
   int maxQueuedTransmitFollowupMsgs;
   int maxSubscribeInterfaceAddresses;
-  android.hardware.wifi.NanCipherSuiteType supportedCipherSuites;
+  int supportedCipherSuites;
   boolean instantCommunicationModeSupportFlag;
   boolean supports6g;
   boolean supportsHe;
diff --git a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/NanCipherSuiteType.aidl b/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/NanCipherSuiteType.aidl
index d1149c4..6f3158e 100644
--- a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/NanCipherSuiteType.aidl
+++ b/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/NanCipherSuiteType.aidl
@@ -39,6 +39,6 @@
   SHARED_KEY_256_MASK = (1 << 1) /* 2 */,
   PUBLIC_KEY_2WDH_128_MASK = (1 << 2) /* 4 */,
   PUBLIC_KEY_2WDH_256_MASK = (1 << 3) /* 8 */,
-  PUBLIC_KEY_PASN_128_MASK = (1 << 4) /* 16 */,
-  PUBLIC_KEY_PASN_256_MASK = (1 << 5) /* 32 */,
+  PUBLIC_KEY_PASN_128_MASK = (1 << 6) /* 64 */,
+  PUBLIC_KEY_PASN_256_MASK = (1 << 7) /* 128 */,
 }
diff --git a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/NanDiscoveryCommonConfig.aidl b/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/NanDiscoveryCommonConfig.aidl
index e84cabf..96d940a 100644
--- a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/NanDiscoveryCommonConfig.aidl
+++ b/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/NanDiscoveryCommonConfig.aidl
@@ -51,7 +51,7 @@
   android.hardware.wifi.NanDataPathSecurityConfig securityConfig;
   boolean rangingRequired;
   int rangingIntervalMs;
-  android.hardware.wifi.NanRangingIndication configRangingIndications;
+  int configRangingIndications;
   char distanceIngressCm;
   char distanceEgressCm;
   boolean enableSessionSuspendability;
diff --git a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/NanMatchInd.aidl b/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/NanMatchInd.aidl
index 6757bec..317489f 100644
--- a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/NanMatchInd.aidl
+++ b/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/NanMatchInd.aidl
@@ -47,7 +47,7 @@
   boolean peerRequiresSecurityEnabledInNdp;
   boolean peerRequiresRanging;
   int rangingMeasurementInMm;
-  android.hardware.wifi.NanRangingIndication rangingIndicationType;
+  int rangingIndicationType;
   byte[] scid;
   android.hardware.wifi.NanPairingConfig peerPairingConfig;
   android.hardware.wifi.NanIdentityResolutionAttribute peerNira;
diff --git a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/StaBackgroundScanBucketParameters.aidl b/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/StaBackgroundScanBucketParameters.aidl
index b49d406..4e9671a 100644
--- a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/StaBackgroundScanBucketParameters.aidl
+++ b/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/StaBackgroundScanBucketParameters.aidl
@@ -38,7 +38,7 @@
   android.hardware.wifi.WifiBand band;
   int[] frequencies;
   int periodInMs;
-  android.hardware.wifi.StaBackgroundScanBucketEventReportSchemeMask eventReportScheme;
+  int eventReportScheme;
   int exponentialMaxPeriodInMs;
   int exponentialBase;
   int exponentialStepCount;
diff --git a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/StaScanData.aidl b/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/StaScanData.aidl
index 5903760..7c75232 100644
--- a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/StaScanData.aidl
+++ b/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/StaScanData.aidl
@@ -34,7 +34,7 @@
 package android.hardware.wifi;
 @VintfStability
 parcelable StaScanData {
-  android.hardware.wifi.StaScanDataFlagMask flags;
+  int flags;
   int bucketsScanned;
   android.hardware.wifi.StaScanResult[] results;
 }
diff --git a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/WifiUsableChannel.aidl b/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/WifiUsableChannel.aidl
index 94e3a8a..774b242 100644
--- a/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/WifiUsableChannel.aidl
+++ b/wifi/aidl/aidl_api/android.hardware.wifi/current/android/hardware/wifi/WifiUsableChannel.aidl
@@ -36,5 +36,5 @@
 parcelable WifiUsableChannel {
   int channel;
   android.hardware.wifi.WifiChannelWidthInMhz channelBandwidth;
-  android.hardware.wifi.WifiIfaceMode ifaceModeMask;
+  int ifaceModeMask;
 }
diff --git a/wifi/aidl/android/hardware/wifi/IWifiChip.aidl b/wifi/aidl/android/hardware/wifi/IWifiChip.aidl
index de2449e..1710f63 100644
--- a/wifi/aidl/android/hardware/wifi/IWifiChip.aidl
+++ b/wifi/aidl/android/hardware/wifi/IWifiChip.aidl
@@ -31,7 +31,7 @@
 import android.hardware.wifi.WifiDebugRingBufferStatus;
 import android.hardware.wifi.WifiDebugRingBufferVerboseLevel;
 import android.hardware.wifi.WifiIfaceMode;
-import android.hardware.wifi.WifiRadioCombinationMatrix;
+import android.hardware.wifi.WifiRadioCombination;
 import android.hardware.wifi.WifiUsableChannel;
 
 /**
@@ -590,7 +590,7 @@
      *         |WifiStatusCode.ERROR_NOT_AVAILABLE|,
      *         |WifiStatusCode.ERROR_UNKNOWN|
      */
-    ChipCapabilityMask getCapabilities();
+    int getCapabilities();
 
     /**
      * API to retrieve the wifi wake up reason stats for debugging.
@@ -737,8 +737,7 @@
      * Retrieve the list of all the possible radio combinations supported by this
      * chip.
      *
-     * @return A list of all the possible radio combinations represented by
-     *         |WifiRadioCombinationMatrix|.
+     * @return A list of all the possible radio combinations.
      *         For example, in case of a chip which has two radios, where one radio is
      *         capable of 2.4GHz 2X2 only and another radio which is capable of either
      *         5GHz or 6GHz 2X2, the number of possible radio combinations in this case
@@ -759,7 +758,7 @@
      *         |WifiStatusCode.FAILURE_UNKNOWN|
      *
      */
-    WifiRadioCombinationMatrix getSupportedRadioCombinationsMatrix();
+    WifiRadioCombination[] getSupportedRadioCombinations();
 
     /**
      * Get capabilities supported by this chip.
@@ -809,7 +808,7 @@
      *         |WifiStatusCode.FAILURE_UNKNOWN|
      */
     WifiUsableChannel[] getUsableChannels(
-            in WifiBand band, in WifiIfaceMode ifaceModeMask, in UsableChannelFilter filterMask);
+            in WifiBand band, in int ifaceModeMask, in int filterMask);
 
     /*
      * Set the max power level the chip is allowed to transmit on for 6Ghz AFC
@@ -983,8 +982,7 @@
      *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|,
      *         |WifiStatusCode.ERROR_INVALID_ARGS|,
      */
-    void setCoexUnsafeChannels(
-            in CoexUnsafeChannel[] unsafeChannels, in CoexRestriction restrictions);
+    void setCoexUnsafeChannels(in CoexUnsafeChannel[] unsafeChannels, in int restrictions);
 
     /**
      * Set country code for this Wifi chip.
@@ -1111,14 +1109,14 @@
      * If the channel category is enabled and allowed by the regulatory, the HAL method
      * getUsableChannels() will contain the current STA-connected channel if that channel belongs
      * to that category.
-     * @param channelCategoryEnableFlag bitmask of |ChannelCategoryMask|.
+     * @param channelCategoryEnableFlag Bitmask of |ChannelCategoryMask| values.
      *        For each bit, 1 enables the channel category and 0 disables that channel category.
      * @throws ServiceSpecificException with one of the following values:
      *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|,
      *         |WifiStatusCode.ERROR_NOT_SUPPORTED|,
      *         |WifiStatusCode.FAILURE_UNKNOWN|
      */
-    void enableStaChannelForPeerNetwork(in ChannelCategoryMask channelCategoryEnableFlag);
+    void enableStaChannelForPeerNetwork(in int channelCategoryEnableFlag);
 
     /**
      * Multi-Link Operation modes.
diff --git a/wifi/aidl/android/hardware/wifi/IWifiNanIface.aidl b/wifi/aidl/android/hardware/wifi/IWifiNanIface.aidl
index 5f3ce6c..3ce8d02 100644
--- a/wifi/aidl/android/hardware/wifi/IWifiNanIface.aidl
+++ b/wifi/aidl/android/hardware/wifi/IWifiNanIface.aidl
@@ -79,6 +79,7 @@
      * Asynchronous response is with |IWifiNanIfaceEventCallback.notifyCreateDataInterfaceResponse|.
      *
      * @param cmdId Command Id to use for this invocation.
+     * @param ifaceName The name of the interface, e.g. "aware0".
      * @throws ServiceSpecificException with one of the following values:
      *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
      *         |WifiStatusCode.ERROR_UNKNOWN|
@@ -90,6 +91,7 @@
      * Asynchronous response is with |IWifiNanIfaceEventCallback.notifyDeleteDataInterfaceResponse|.
      *
      * @param cmdId Command Id to use for this invocation.
+     * @param ifaceName The name of the interface, e.g. "aware0".
      * @throws ServiceSpecificException with one of the following values:
      *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
      *         |WifiStatusCode.ERROR_UNKNOWN|
diff --git a/wifi/aidl/android/hardware/wifi/IWifiNanIfaceEventCallback.aidl b/wifi/aidl/android/hardware/wifi/IWifiNanIfaceEventCallback.aidl
index 8a61a9c..3649b7b 100644
--- a/wifi/aidl/android/hardware/wifi/IWifiNanIfaceEventCallback.aidl
+++ b/wifi/aidl/android/hardware/wifi/IWifiNanIfaceEventCallback.aidl
@@ -132,7 +132,7 @@
     /**
      * Callback providing status on a completed followup message transmit operation.
      *
-     * @param cmdId Command Id corresponding to the original |transmitFollowupRequest| request.
+     * @param id Command ID corresponding to the original |transmitFollowupRequest| request.
      * @param status NanStatus of the operation. Possible status codes are:
      *               |NanStatusCode.SUCCESS|
      *               |NanStatusCode.NO_OTA_ACK|
@@ -151,7 +151,7 @@
      * Callback invoked in response to a capability request
      * |IWifiNanIface.getCapabilitiesRequest|.
      *
-     * @param cmdId Command Id corresponding to the original request.
+     * @param id Command ID corresponding to the original request.
      * @param status NanStatus of the operation. Possible status codes are:
      *        |NanStatusCode.SUCCESS|
      * @param capabilities Capability data.
@@ -162,7 +162,7 @@
     /**
      * Callback invoked in response to a config request |IWifiNanIface.configRequest|.
      *
-     * @param cmdId Command Id corresponding to the original request.
+     * @param id Command ID corresponding to the original request.
      * @param status NanStatus of the operation. Possible status codes are:
      *        |NanStatusCode.SUCCESS|
      *        |NanStatusCode.INVALID_ARGS|
@@ -175,7 +175,7 @@
      * Callback invoked in response to a create data interface request
      * |IWifiNanIface.createDataInterfaceRequest|.
      *
-     * @param cmdId Command Id corresponding to the original request.
+     * @param id Command ID corresponding to the original request.
      * @param status NanStatus of the operation. Possible status codes are:
      *        |NanStatusCode.SUCCESS|
      *        |NanStatusCode.INVALID_ARGS|
@@ -187,7 +187,7 @@
      * Callback invoked in response to a delete data interface request
      * |IWifiNanIface.deleteDataInterfaceRequest|.
      *
-     * @param cmdId Command Id corresponding to the original request.
+     * @param id Command ID corresponding to the original request.
      * @param status NanStatus of the operation. Possible status codes are:
      *        |NanStatusCode.SUCCESS|
      *        |NanStatusCode.INVALID_ARGS|
@@ -198,7 +198,7 @@
     /**
      * Callback invoked in response to a disable request |IWifiNanIface.disableRequest|.
      *
-     * @param cmdId Command Id corresponding to the original request.
+     * @param id Command ID corresponding to the original request.
      * @param status NanStatus of the operation. Possible status codes are:
      *        |NanStatusCode.SUCCESS|
      *        |NanStatusCode.PROTOCOL_FAILURE|
@@ -208,7 +208,7 @@
     /**
      * Callback invoked in response to an enable request |IWifiNanIface.enableRequest|.
      *
-     * @param cmdId Command Id corresponding to the original request.
+     * @param id Command ID corresponding to the original request.
      * @param status NanStatus of the operation. Possible status codes are:
      *        |NanStatusCode.SUCCESS|
      *        |NanStatusCode.ALREADY_ENABLED|
@@ -223,7 +223,7 @@
      * Callback invoked in response to an initiate data path request
      * |IWifiNanIface.initiateDataPathRequest|.
      *
-     * @param cmdId Command Id corresponding to the original request.
+     * @param id Command ID corresponding to the original request.
      * @param status NanStatus of the operation. Possible status codes are:
      *        |NanStatusCode.SUCCESS|
      *        |NanStatusCode.INVALID_ARGS|
@@ -238,7 +238,7 @@
      * Callback invoked in response to a respond to data path indication request
      * |IWifiNanIface.respondToDataPathIndicationRequest|.
      *
-     * @param cmdId Command Id corresponding to the original request.
+     * @param id Command ID corresponding to the original request.
      * @param status NanStatus of the operation. Possible status codes are:
      *        |NanStatusCode.SUCCESS|
      *        |NanStatusCode.INVALID_ARGS|
@@ -252,7 +252,7 @@
      * Callback invoked to notify the status of the start publish request
      * |IWifiNanIface.startPublishRequest|.
      *
-     * @param cmdId Command Id corresponding to the original request.
+     * @param id Command ID corresponding to the original request.
      * @param status NanStatus of the operation. Possible status codes are:
      *        |NanStatusCode.SUCCESS|
      *        |NanStatusCode.INVALID_ARGS|
@@ -267,7 +267,7 @@
      * Callback invoked to notify the status of the start subscribe request
      * |IWifiNanIface.startSubscribeRequest|.
      *
-     * @param cmdId Command Id corresponding to the original request.
+     * @param id Command ID corresponding to the original request.
      * @param status NanStatus of the operation. Possible status codes are:
      *        |NanStatusCode.SUCCESS|
      *        |NanStatusCode.INVALID_ARGS|
@@ -282,7 +282,7 @@
      * Callback invoked in response to a stop publish request
      * |IWifiNanIface.stopPublishRequest|.
      *
-     * @param cmdId Command Id corresponding to the original request.
+     * @param id Command ID corresponding to the original request.
      * @param status NanStatus of the operation. Possible status codes are:
      *        |NanStatusCode.SUCCESS|
      *        |NanStatusCode.INVALID_SESSION_ID|
@@ -294,7 +294,7 @@
      * Callback invoked in response to a stop subscribe request
      * |IWifiNanIface.stopSubscribeRequest|.
      *
-     * @param cmdId Command Id corresponding to the original request.
+     * @param id Command ID corresponding to the original request.
      * @param status NanStatus of the operation. Possible status codes are:
      *        |NanStatusCode.SUCCESS|
      *        |NanStatusCode.INVALID_SESSION_ID|
@@ -306,7 +306,7 @@
      * Callback invoked in response to a terminate data path request
      * |IWifiNanIface.terminateDataPathRequest|.
      *
-     * @param cmdId Command Id corresponding to the original request.
+     * @param id Command ID corresponding to the original request.
      * @param status NanStatus of the operation. Possible status codes are:
      *        |NanStatusCode.SUCCESS|
      *        |NanStatusCode.INVALID_ARGS|
@@ -320,7 +320,7 @@
      * Callback invoked in response to a suspension request
      * |IWifiNanIface.suspendRequest|.
      *
-     * @param cmdId Command Id corresponding to the original request.
+     * @param id Command ID corresponding to the original request.
      * @param status NanStatus of the operation. Possible status codes are:
      *        |NanStatusCode.SUCCESS|
      *        |NanStatusCode.INVALID_SESSION_ID|
@@ -333,7 +333,7 @@
      * Callback invoked in response to a resume request
      * |IWifiNanIface.resumeRequest|.
      *
-     * @param cmdId Command Id corresponding to the original request.
+     * @param id Command ID corresponding to the original request.
      * @param status NanStatus of the operation. Possible status codes are:
      *        |NanStatusCode.SUCCESS|
      *        |NanStatusCode.INVALID_SESSION_ID|
@@ -346,7 +346,7 @@
      * Callback invoked in response to a transmit followup request
      * |IWifiNanIface.transmitFollowupRequest|.
      *
-     * @param cmdId Command Id corresponding to the original request.
+     * @param id Command ID corresponding to the original request.
      * @param status NanStatus of the operation. Possible status codes are:
      *        |NanStatusCode.SUCCESS|
      *        |NanStatusCode.INVALID_ARGS|
@@ -377,7 +377,7 @@
      * Callback invoked in response to an initiate NAN pairing request
      * |IWifiNanIface.initiatePairingRequest|.
      *
-     * @param cmdId Command Id corresponding to the original request.
+     * @param id Command ID corresponding to the original request.
      * @param status NanStatus of the operation. Possible status codes are:
      *        |NanStatusCode.SUCCESS|
      *        |NanStatusCode.INVALID_ARGS|
@@ -392,7 +392,7 @@
      * Callback invoked in response to a respond to NAN pairing indication request
      * |IWifiNanIface.respondToPairingIndicationRequest|.
      *
-     * @param cmdId Command Id corresponding to the original request.
+     * @param id Command ID corresponding to the original request.
      * @param status NanStatus of the operation. Possible status codes are:
      *        |NanStatusCode.SUCCESS|
      *        |NanStatusCode.INVALID_ARGS|
@@ -422,7 +422,7 @@
      * Callback invoked in response to an initiate NAN pairing bootstrapping request
      * |IWifiNanIface.initiateBootstrappingRequest|.
      *
-     * @param cmdId Command Id corresponding to the original request.
+     * @param id Command ID corresponding to the original request.
      * @param status NanStatus of the operation. Possible status codes are:
      *        |NanStatusCode.SUCCESS|
      *        |NanStatusCode.INVALID_ARGS|
@@ -438,7 +438,7 @@
      * Callback invoked in response to a respond to pairing bootstrapping indication request
      * |IWifiNanIface.respondToBootstrappingIndicationRequest|.
      *
-     * @param cmdId Command Id corresponding to the original request.
+     * @param id Command ID corresponding to the original request.
      * @param status NanStatus of the operation. Possible status codes are:
      *        |NanStatusCode.SUCCESS|
      *        |NanStatusCode.INVALID_ARGS|
diff --git a/wifi/aidl/android/hardware/wifi/IWifiStaIface.aidl b/wifi/aidl/android/hardware/wifi/IWifiStaIface.aidl
index 28d6a4d..8e9a06d 100644
--- a/wifi/aidl/android/hardware/wifi/IWifiStaIface.aidl
+++ b/wifi/aidl/android/hardware/wifi/IWifiStaIface.aidl
@@ -198,7 +198,7 @@
      *         |WifiStatusCode.ERROR_NOT_AVAILABLE|,
      *         |WifiStatusCode.ERROR_UNKNOWN|
      */
-    StaIfaceCapabilityMask getCapabilities();
+    int getCapabilities();
 
     /**
      * API to retrieve the fates of inbound packets.
diff --git a/wifi/aidl/android/hardware/wifi/NanBootstrappingConfirmInd.aidl b/wifi/aidl/android/hardware/wifi/NanBootstrappingConfirmInd.aidl
index 7d7a436..e72c940 100644
--- a/wifi/aidl/android/hardware/wifi/NanBootstrappingConfirmInd.aidl
+++ b/wifi/aidl/android/hardware/wifi/NanBootstrappingConfirmInd.aidl
@@ -16,10 +16,12 @@
 
 package android.hardware.wifi;
 
-import android.hardware.wifi.NanBootstrappingMethod;
 import android.hardware.wifi.NanBootstrappingResponseCode;
 import android.hardware.wifi.NanStatus;
 
+/**
+ * See Wi-Fi Aware R4.0 section 9.5.21.7
+ */
 @VintfStability
 parcelable NanBootstrappingConfirmInd {
     /**
@@ -44,7 +46,7 @@
     int comeBackDelay;
 
     /**
-     * Cookie received from the comeback response.
+     * Cookie received from peer with |comeBackDelay| for follow up |NanBootstrappingRequest|
      */
     byte[] cookie;
 }
diff --git a/wifi/aidl/android/hardware/wifi/NanBootstrappingMethod.aidl b/wifi/aidl/android/hardware/wifi/NanBootstrappingMethod.aidl
index 8960794..da2ff25 100644
--- a/wifi/aidl/android/hardware/wifi/NanBootstrappingMethod.aidl
+++ b/wifi/aidl/android/hardware/wifi/NanBootstrappingMethod.aidl
@@ -17,7 +17,8 @@
 package android.hardware.wifi;
 
 /**
- * Pairing bootstrapping method flag
+ * Pairing bootstrapping method flag.
+ * See Wi-Fi Aware R4.0 section 9.5.21.7 table 128
  */
 @VintfStability
 @Backing(type="int")
diff --git a/wifi/aidl/android/hardware/wifi/NanBootstrappingRequest.aidl b/wifi/aidl/android/hardware/wifi/NanBootstrappingRequest.aidl
index 5297b9f..4b74cd9 100644
--- a/wifi/aidl/android/hardware/wifi/NanBootstrappingRequest.aidl
+++ b/wifi/aidl/android/hardware/wifi/NanBootstrappingRequest.aidl
@@ -18,6 +18,9 @@
 
 import android.hardware.wifi.NanBootstrappingMethod;
 
+/**
+ * See Wi-Fi Aware R4.0 section 9.5.21.7
+ */
 @VintfStability
 parcelable NanBootstrappingRequest {
     /**
@@ -34,12 +37,12 @@
     byte[6] peerDiscMacAddr;
 
     /**
-     * Bootstrapping method in the request, one of the |NanBootstrappingMethod|
+     * One of |NanBootstrappingMethod| indicating the bootstrapping method in the request.
      */
     NanBootstrappingMethod requestBootstrappingMethod;
 
     /**
-     * Cookie for the follow up request
+     * Cookie received from previous |NanBootstrappingConfirmInd| for comeback request.
      */
     byte[] cookie;
 }
diff --git a/wifi/aidl/android/hardware/wifi/NanBootstrappingRequestInd.aidl b/wifi/aidl/android/hardware/wifi/NanBootstrappingRequestInd.aidl
index e11122f..6f43892 100644
--- a/wifi/aidl/android/hardware/wifi/NanBootstrappingRequestInd.aidl
+++ b/wifi/aidl/android/hardware/wifi/NanBootstrappingRequestInd.aidl
@@ -21,7 +21,7 @@
 /**
  * NAN Data path request indication message structure.
  * Event indication received by an intended Responder when a NAN
- * data request initiated by an Initiator.
+ * data request is initiated by an Initiator. See Wi-Fi Aware R4.0 section 9.5.21.7
  */
 @VintfStability
 parcelable NanBootstrappingRequestInd {
@@ -48,7 +48,7 @@
     int bootstrappingInstanceId;
 
     /**
-     * Bootstrapping method in the incoming request, one of the |NanBootstrappingMethod|
+     * One of |NanBootstrappingMethod| indicating the bootstrapping method in the incoming request.
      */
     NanBootstrappingMethod requestBootstrappingMethod;
 }
diff --git a/wifi/aidl/android/hardware/wifi/NanBootstrappingResponse.aidl b/wifi/aidl/android/hardware/wifi/NanBootstrappingResponse.aidl
index 0a7d621..dbe8923 100644
--- a/wifi/aidl/android/hardware/wifi/NanBootstrappingResponse.aidl
+++ b/wifi/aidl/android/hardware/wifi/NanBootstrappingResponse.aidl
@@ -16,8 +16,9 @@
 
 package android.hardware.wifi;
 
-import android.hardware.wifi.NanBootstrappingMethod;
-
+/**
+ * See Wi-Fi Aware R4.0 section 9.5.21.7
+ */
 @VintfStability
 parcelable NanBootstrappingResponse {
     /**
diff --git a/wifi/aidl/android/hardware/wifi/NanCapabilities.aidl b/wifi/aidl/android/hardware/wifi/NanCapabilities.aidl
index c1d6201..f581c5e 100644
--- a/wifi/aidl/android/hardware/wifi/NanCapabilities.aidl
+++ b/wifi/aidl/android/hardware/wifi/NanCapabilities.aidl
@@ -16,8 +16,6 @@
 
 package android.hardware.wifi;
 
-import android.hardware.wifi.NanCipherSuiteType;
-
 /**
  * NDP Capabilities response.
  */
@@ -78,9 +76,9 @@
      */
     int maxSubscribeInterfaceAddresses;
     /**
-     * The set of supported Cipher suites. The |NanCipherSuiteType| bit fields are used.
+     * Bitmap of |NanCipherSuiteType| values indicating the set of supported cipher suites.
      */
-    NanCipherSuiteType supportedCipherSuites;
+    int supportedCipherSuites;
     /**
      * Flag to indicate if instant communication mode is supported.
      */
diff --git a/wifi/aidl/android/hardware/wifi/NanCipherSuiteType.aidl b/wifi/aidl/android/hardware/wifi/NanCipherSuiteType.aidl
index 0d2fc99..91b5caf 100644
--- a/wifi/aidl/android/hardware/wifi/NanCipherSuiteType.aidl
+++ b/wifi/aidl/android/hardware/wifi/NanCipherSuiteType.aidl
@@ -17,13 +17,19 @@
 package android.hardware.wifi;
 
 /**
- * Cipher suite flags. Wi-Fi Aware Specification 4.0 section 7.1.2
+ * Cipher suite flags. Wi-Fi Aware Specification 4.0 section 9.5.21.1.
  */
 @VintfStability
 @Backing(type="int")
 enum NanCipherSuiteType {
     NONE = 0,
+    /**
+     *  NCS-SK-128
+     */
     SHARED_KEY_128_MASK = 1 << 0,
+    /**
+     *  NCS-SK-256
+     */
     SHARED_KEY_256_MASK = 1 << 1,
     /**
      *  NCS-PK-2WDH-128
@@ -34,11 +40,15 @@
      */
     PUBLIC_KEY_2WDH_256_MASK = 1 << 3,
     /**
+     * bit 4 and bit 5 are reserved for NCS-GTK-CCMP-128 and NCS-GTK-CCMP-256. Which are not used
+     * from framework
+     */
+    /**
      *  NCS-PK-PASN-128
      */
-    PUBLIC_KEY_PASN_128_MASK = 1 << 4,
+    PUBLIC_KEY_PASN_128_MASK = 1 << 6,
     /**
      *  NCS-PK-PASN-256
      */
-    PUBLIC_KEY_PASN_256_MASK = 1 << 5,
+    PUBLIC_KEY_PASN_256_MASK = 1 << 7,
 }
diff --git a/wifi/aidl/android/hardware/wifi/NanDataPathSecurityConfig.aidl b/wifi/aidl/android/hardware/wifi/NanDataPathSecurityConfig.aidl
index 42a5616..9a2013b 100644
--- a/wifi/aidl/android/hardware/wifi/NanDataPathSecurityConfig.aidl
+++ b/wifi/aidl/android/hardware/wifi/NanDataPathSecurityConfig.aidl
@@ -31,7 +31,8 @@
      */
     NanDataPathSecurityType securityType;
     /**
-     * Cipher type for data-paths. If |securityType| is |NanDataPathSecurityType.OPEN| then must
+     * One of |NanCipherSuiteType| indicating the cipher type for data-paths.
+     * If |securityType| is |NanDataPathSecurityType.OPEN|, then this must
      * be set to |NanCipherSuiteType.NONE|. Otherwise a non-|NanCipherSuiteType.NONE| cipher suite
      * must be specified.
      */
diff --git a/wifi/aidl/android/hardware/wifi/NanDiscoveryCommonConfig.aidl b/wifi/aidl/android/hardware/wifi/NanDiscoveryCommonConfig.aidl
index e98658b..58777c5 100644
--- a/wifi/aidl/android/hardware/wifi/NanDiscoveryCommonConfig.aidl
+++ b/wifi/aidl/android/hardware/wifi/NanDiscoveryCommonConfig.aidl
@@ -18,7 +18,6 @@
 
 import android.hardware.wifi.NanDataPathSecurityConfig;
 import android.hardware.wifi.NanMatchAlg;
-import android.hardware.wifi.NanRangingIndication;
 
 /**
  * Configurations of NAN discovery sessions. Common to publish and subscribe discovery.
@@ -143,10 +142,11 @@
      */
     int rangingIntervalMs;
     /**
-     * The type of ranging feedback to be provided by discovery session matches
-     * |IWifiNanIfaceEventCallback.eventMatch|. Only relevant if |rangingRequired| is true.
+     * Bitmap of |NanRangingIndication| values indicating the type of ranging feedback
+     * to be provided by discovery session matches in |IWifiNanIfaceEventCallback.eventMatch|.
+     * Only relevant if |rangingRequired| is true.
      */
-    NanRangingIndication configRangingIndications;
+    int configRangingIndications;
     /**
      * The ingress and egress distance in cm. If ranging is enabled (|rangingEnabled| is true) then
      * |configRangingIndications| is used to determine whether ingress and/or egress (or neither)
diff --git a/wifi/aidl/android/hardware/wifi/NanIdentityResolutionAttribute.aidl b/wifi/aidl/android/hardware/wifi/NanIdentityResolutionAttribute.aidl
index 917feff..807081b 100644
--- a/wifi/aidl/android/hardware/wifi/NanIdentityResolutionAttribute.aidl
+++ b/wifi/aidl/android/hardware/wifi/NanIdentityResolutionAttribute.aidl
@@ -17,7 +17,8 @@
 package android.hardware.wifi;
 
 /**
- * NIRA for pairing identity resolution
+ * NIRA for pairing identity resolution.
+ * See Wi-Fi Aware R4.0 section 9.5.21.6
  */
 @VintfStability
 parcelable NanIdentityResolutionAttribute {
diff --git a/wifi/aidl/android/hardware/wifi/NanMatchInd.aidl b/wifi/aidl/android/hardware/wifi/NanMatchInd.aidl
index 314d599..5a04376 100644
--- a/wifi/aidl/android/hardware/wifi/NanMatchInd.aidl
+++ b/wifi/aidl/android/hardware/wifi/NanMatchInd.aidl
@@ -19,7 +19,6 @@
 import android.hardware.wifi.NanCipherSuiteType;
 import android.hardware.wifi.NanIdentityResolutionAttribute;
 import android.hardware.wifi.NanPairingConfig;
-import android.hardware.wifi.NanRangingIndication;
 
 /**
  * Match indication structure.
@@ -81,8 +80,9 @@
      */
     byte rssiValue;
     /**
-     * Cipher type for data-paths constructed in the context of this discovery session. Valid if
-     * |peerRequiresSecurityEnabledInNdp| is true.
+     * One of |NanCipherSuiteType| indicating the cipher type for data-paths constructed
+     * in the context of this discovery session.
+     * Valid if |peerRequiresSecurityEnabledInNdp| is true.
      */
     NanCipherSuiteType peerCipherType;
     /**
@@ -117,10 +117,11 @@
      */
     int rangingMeasurementInMm;
     /**
-     * The ranging event(s) which triggered the ranging. e.g. can indicate that continuous ranging
-     * was requested, or else that an ingress event occurred.
+     * Bitmap of |NanRangingIndication| values indicating the ranging event(s) which triggered the
+     * ranging. e.g. can indicate that continuous ranging was requested, or else that an ingress
+     * event occurred.
      */
-    NanRangingIndication rangingIndicationType;
+    int rangingIndicationType;
     /**
      * Security Context Identifier attribute contains PMKID. Shall be included in NDP setup and
      * response messages. Security Context Identifier identifies the Security Context. For NAN
diff --git a/wifi/aidl/android/hardware/wifi/NanPairingConfig.aidl b/wifi/aidl/android/hardware/wifi/NanPairingConfig.aidl
index 4f9c3ae..609dac2 100644
--- a/wifi/aidl/android/hardware/wifi/NanPairingConfig.aidl
+++ b/wifi/aidl/android/hardware/wifi/NanPairingConfig.aidl
@@ -16,8 +16,6 @@
 
 package android.hardware.wifi;
 
-import android.hardware.wifi.NanBootstrappingMethod;
-
 /**
  * The NAN pairing config
  */
@@ -36,7 +34,8 @@
      */
     boolean enablePairingVerification;
     /**
-     * The set of supported bootstrapping methods. The |NanBootstrappingMethod| bit fields are used.
+     * Bitmap of |NanBootstrappingMethod| values indicating the set of
+     * supported bootstrapping methods.
      */
     int supportedBootstrappingMethods;
 }
diff --git a/wifi/aidl/android/hardware/wifi/NanPairingConfirmInd.aidl b/wifi/aidl/android/hardware/wifi/NanPairingConfirmInd.aidl
index cd98c72..a5670ec 100644
--- a/wifi/aidl/android/hardware/wifi/NanPairingConfirmInd.aidl
+++ b/wifi/aidl/android/hardware/wifi/NanPairingConfirmInd.aidl
@@ -16,7 +16,6 @@
 
 package android.hardware.wifi;
 
-import android.hardware.wifi.NanDataPathChannelInfo;
 import android.hardware.wifi.NanPairingRequestType;
 import android.hardware.wifi.NanStatus;
 import android.hardware.wifi.NpkSecurityAssociation;
@@ -24,7 +23,7 @@
 /**
  * NAN pairing confirmation indication structure. Event indication is
  * received on both initiator and responder side when negotiation for a
- * pairing finishes on success or failure.
+ * pairing finishes on success or failure. See Wi-Fi Aware R4.0 section 7.6.1.4
  */
 @VintfStability
 parcelable NanPairingConfirmInd {
diff --git a/wifi/aidl/android/hardware/wifi/NanPairingRequest.aidl b/wifi/aidl/android/hardware/wifi/NanPairingRequest.aidl
index 6f1a072..0c2080b 100644
--- a/wifi/aidl/android/hardware/wifi/NanPairingRequest.aidl
+++ b/wifi/aidl/android/hardware/wifi/NanPairingRequest.aidl
@@ -20,9 +20,10 @@
 import android.hardware.wifi.NanPairingSecurityConfig;
 
 /**
- * NAN pairing initiate request
- * Which can be used for setup(the initial pairing request) or
- * verification(re-pairing for paired devices)
+ * NAN pairing initiate request.
+ * Can be used for setup (the initial pairing request) or
+ * verification (re-pairing for paired devices).
+ * See Wi-Fi Aware R4.0 section 7.6.1.1
  */
 @VintfStability
 parcelable NanPairingRequest {
diff --git a/wifi/aidl/android/hardware/wifi/NanPairingRequestInd.aidl b/wifi/aidl/android/hardware/wifi/NanPairingRequestInd.aidl
index f247e45..ec8548f 100644
--- a/wifi/aidl/android/hardware/wifi/NanPairingRequestInd.aidl
+++ b/wifi/aidl/android/hardware/wifi/NanPairingRequestInd.aidl
@@ -22,7 +22,7 @@
 /**
  * NAN pairing request indication message structure.
  * Event indication received by an intended Responder when a
- * pairing request initiated by an Initiator.
+ * pairing request is initiated by an Initiator. See Wi-Fi Aware R4.0 section 7.6.1.3
  */
 @VintfStability
 parcelable NanPairingRequestInd {
diff --git a/wifi/aidl/android/hardware/wifi/NanPairingSecurityConfig.aidl b/wifi/aidl/android/hardware/wifi/NanPairingSecurityConfig.aidl
index 7384e1a..a601751 100644
--- a/wifi/aidl/android/hardware/wifi/NanPairingSecurityConfig.aidl
+++ b/wifi/aidl/android/hardware/wifi/NanPairingSecurityConfig.aidl
@@ -49,8 +49,8 @@
      */
     NanPairingAkm akm;
     /**
-     * Cipher type for pairing. Need to be one of the |NanCipherSuiteType.PUBLIC_KEY_PASN_128_MASK|
-     * or |NanCipherSuiteType.PUBLIC_KEY_PASN_256_MASK|
+     * Cipher type for pairing. Must be one of |NanCipherSuiteType.PUBLIC_KEY_PASN_128_MASK|
+     * or |NanCipherSuiteType.PUBLIC_KEY_PASN_256_MASK|.
      */
     NanCipherSuiteType cipherType;
 }
diff --git a/wifi/aidl/android/hardware/wifi/NanRespondToPairingIndicationRequest.aidl b/wifi/aidl/android/hardware/wifi/NanRespondToPairingIndicationRequest.aidl
index 456b430..fab2a40 100644
--- a/wifi/aidl/android/hardware/wifi/NanRespondToPairingIndicationRequest.aidl
+++ b/wifi/aidl/android/hardware/wifi/NanRespondToPairingIndicationRequest.aidl
@@ -21,6 +21,7 @@
 
 /**
  * Response to a pairing request from a peer.
+ * See Wi-Fi Aware R4.0 section 7.6.1.2
  */
 @VintfStability
 parcelable NanRespondToPairingIndicationRequest {
diff --git a/wifi/aidl/android/hardware/wifi/NanSuspensionModeChangeInd.aidl b/wifi/aidl/android/hardware/wifi/NanSuspensionModeChangeInd.aidl
index afabe8c..057e63b 100644
--- a/wifi/aidl/android/hardware/wifi/NanSuspensionModeChangeInd.aidl
+++ b/wifi/aidl/android/hardware/wifi/NanSuspensionModeChangeInd.aidl
@@ -22,7 +22,7 @@
 @VintfStability
 parcelable NanSuspensionModeChangeInd {
     /**
-     * Indication whether the device has entered or existed the NAN suspension mode(deep sleep)
+     * Indication whether the device has entered or exited the NAN suspension mode(deep sleep)
      */
     boolean isSuspended;
 }
diff --git a/wifi/aidl/android/hardware/wifi/NpkSecurityAssociation.aidl b/wifi/aidl/android/hardware/wifi/NpkSecurityAssociation.aidl
index 6d85eea..4d65a41 100644
--- a/wifi/aidl/android/hardware/wifi/NpkSecurityAssociation.aidl
+++ b/wifi/aidl/android/hardware/wifi/NpkSecurityAssociation.aidl
@@ -41,8 +41,8 @@
      */
     NanPairingAkm akm;
     /**
-     * Cipher type for pairing. Need to one of the |NanCipherSuiteType.PUBLIC_KEY_PASN_128_MASK| or
-     * |NanCipherSuiteType.PUBLIC_KEY_PASN_256_MASK|
+     * Cipher type for pairing. Must be one of |NanCipherSuiteType.PUBLIC_KEY_PASN_128_MASK| or
+     * |NanCipherSuiteType.PUBLIC_KEY_PASN_256_MASK|.
      */
     NanCipherSuiteType cipherType;
 }
diff --git a/wifi/aidl/android/hardware/wifi/StaBackgroundScanBucketParameters.aidl b/wifi/aidl/android/hardware/wifi/StaBackgroundScanBucketParameters.aidl
index 7bd87b2..76b510d 100644
--- a/wifi/aidl/android/hardware/wifi/StaBackgroundScanBucketParameters.aidl
+++ b/wifi/aidl/android/hardware/wifi/StaBackgroundScanBucketParameters.aidl
@@ -16,7 +16,6 @@
 
 package android.hardware.wifi;
 
-import android.hardware.wifi.StaBackgroundScanBucketEventReportSchemeMask;
 import android.hardware.wifi.WifiBand;
 
 /**
@@ -50,7 +49,7 @@
      * Bitset of |StaBackgroundScanBucketEventReportSchemeMask| values controlling
      * when events for this bucket must be reported.
      */
-    StaBackgroundScanBucketEventReportSchemeMask eventReportScheme;
+    int eventReportScheme;
     /**
      * For exponential back off. If |exponentialMaxPeriodInMs| is non-zero or
      * different than period, then this bucket is an exponential backoff bucket
diff --git a/wifi/aidl/android/hardware/wifi/StaScanData.aidl b/wifi/aidl/android/hardware/wifi/StaScanData.aidl
index 9d6bd53..abc5638 100644
--- a/wifi/aidl/android/hardware/wifi/StaScanData.aidl
+++ b/wifi/aidl/android/hardware/wifi/StaScanData.aidl
@@ -16,7 +16,6 @@
 
 package android.hardware.wifi;
 
-import android.hardware.wifi.StaScanDataFlagMask;
 import android.hardware.wifi.StaScanResult;
 
 /**
@@ -26,9 +25,9 @@
 @VintfStability
 parcelable StaScanData {
     /**
-     * Bitset containing |ScanDataFlagMask| values.
+     * Bitset of |ScanDataFlagMask| values.
      */
-    StaScanDataFlagMask flags;
+    int flags;
     /**
      * Bitset where each bit indicates if the bucket with that index (starting at
      * 0) was scanned.
diff --git a/wifi/aidl/android/hardware/wifi/WifiRadioCombinationMatrix.aidl b/wifi/aidl/android/hardware/wifi/WifiRadioCombinationMatrix.aidl
deleted file mode 100644
index b79a818..0000000
--- a/wifi/aidl/android/hardware/wifi/WifiRadioCombinationMatrix.aidl
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- * 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;
-
-import android.hardware.wifi.WifiRadioCombination;
-
-/**
- * Wifi radio combinations matrix retrieved via
- * |IWifiChip.getSupportedRadioCombinationsMatrix|.
- */
-@VintfStability
-parcelable WifiRadioCombinationMatrix {
-    /**
-     * List of all the possible radio combinations that the chip can operate.
-     */
-    WifiRadioCombination[] radioCombinations;
-}
diff --git a/wifi/aidl/android/hardware/wifi/WifiUsableChannel.aidl b/wifi/aidl/android/hardware/wifi/WifiUsableChannel.aidl
index d92e4cc..077c17e 100644
--- a/wifi/aidl/android/hardware/wifi/WifiUsableChannel.aidl
+++ b/wifi/aidl/android/hardware/wifi/WifiUsableChannel.aidl
@@ -17,7 +17,6 @@
 package android.hardware.wifi;
 
 import android.hardware.wifi.WifiChannelWidthInMhz;
-import android.hardware.wifi.WifiIfaceMode;
 
 /**
  * Wifi usable channel information.
@@ -33,7 +32,8 @@
      */
     WifiChannelWidthInMhz channelBandwidth;
     /**
-     * Iface modes feasible on this channel.
+     * Iface modes feasible on this channel, represented as a bitmask
+     * of |WifiIfaceMode| values.
      */
-    WifiIfaceMode ifaceModeMask;
+    int ifaceModeMask;
 }
diff --git a/wifi/aidl/default/aidl_struct_util.cpp b/wifi/aidl/default/aidl_struct_util.cpp
index d3cf7bf..4acdd2f 100644
--- a/wifi/aidl/default/aidl_struct_util.cpp
+++ b/wifi/aidl/default/aidl_struct_util.cpp
@@ -408,8 +408,8 @@
     aidl_usable_channel->channel = legacy_usable_channel.freq;
     aidl_usable_channel->channelBandwidth =
             convertLegacyWifiChannelWidthToAidl(legacy_usable_channel.width);
-    aidl_usable_channel->ifaceModeMask = static_cast<WifiIfaceMode>(
-            convertLegacyWifiInterfaceModeToAidl(legacy_usable_channel.iface_mode_mask));
+    aidl_usable_channel->ifaceModeMask =
+            convertLegacyWifiInterfaceModeToAidl(legacy_usable_channel.iface_mode_mask);
 
     return true;
 }
@@ -572,7 +572,7 @@
         legacy_bucket_spec.report_events = 0;
         using AidlFlag = StaBackgroundScanBucketEventReportSchemeMask;
         for (const auto flag : {AidlFlag::EACH_SCAN, AidlFlag::FULL_RESULTS, AidlFlag::NO_BATCH}) {
-            if (static_cast<int32_t>(aidl_bucket_spec.eventReportScheme) &
+            if (aidl_bucket_spec.eventReportScheme &
                 static_cast<std::underlying_type<AidlFlag>::type>(flag)) {
                 legacy_bucket_spec.report_events |= convertAidlGscanReportEventFlagToLegacy(flag);
             }
@@ -678,7 +678,7 @@
                     convertLegacyGscanDataFlagToAidl(flag));
         }
     }
-    aidl_scan_data->flags = static_cast<StaScanDataFlagMask>(flags);
+    aidl_scan_data->flags = flags;
     aidl_scan_data->bucketsScanned = legacy_cached_scan_result.buckets_scanned;
 
     CHECK(legacy_cached_scan_result.num_results >= 0 &&
@@ -1787,7 +1787,7 @@
                                                         : legacy_hal::NAN_RANGING_DISABLE;
     legacy_request->ranging_cfg.ranging_interval_msec = aidl_request.baseConfigs.rangingIntervalMs;
     legacy_request->ranging_cfg.config_ranging_indications =
-            static_cast<uint32_t>(aidl_request.baseConfigs.configRangingIndications);
+            aidl_request.baseConfigs.configRangingIndications;
     legacy_request->ranging_cfg.distance_ingress_mm =
             aidl_request.baseConfigs.distanceIngressCm * 10;
     legacy_request->ranging_cfg.distance_egress_mm = aidl_request.baseConfigs.distanceEgressCm * 10;
@@ -1919,7 +1919,7 @@
                                                         : legacy_hal::NAN_RANGING_DISABLE;
     legacy_request->ranging_cfg.ranging_interval_msec = aidl_request.baseConfigs.rangingIntervalMs;
     legacy_request->ranging_cfg.config_ranging_indications =
-            static_cast<uint32_t>(aidl_request.baseConfigs.configRangingIndications);
+            aidl_request.baseConfigs.configRangingIndications;
     legacy_request->ranging_cfg.distance_ingress_mm =
             aidl_request.baseConfigs.distanceIngressCm * 10;
     legacy_request->ranging_cfg.distance_egress_mm = aidl_request.baseConfigs.distanceEgressCm * 10;
@@ -2202,8 +2202,7 @@
     aidl_response->maxQueuedTransmitFollowupMsgs =
             legacy_response.max_queued_transmit_followup_msgs;
     aidl_response->maxSubscribeInterfaceAddresses = legacy_response.max_subscribe_address;
-    aidl_response->supportedCipherSuites =
-            static_cast<NanCipherSuiteType>(legacy_response.cipher_suites_supported);
+    aidl_response->supportedCipherSuites = legacy_response.cipher_suites_supported;
     aidl_response->instantCommunicationModeSupportFlag = legacy_response.is_instant_mode_supported;
     aidl_response->supports6g = legacy_response.is_6g_supported;
     aidl_response->supportsHe = legacy_response.is_he_supported;
@@ -2244,8 +2243,7 @@
     aidl_ind->peerRequiresRanging =
             legacy_ind.peer_sdea_params.ranging_state == legacy_hal::NAN_RANGING_ENABLE;
     aidl_ind->rangingMeasurementInMm = legacy_ind.range_info.range_measurement_mm;
-    aidl_ind->rangingIndicationType =
-            static_cast<NanRangingIndication>(legacy_ind.range_info.ranging_event_type);
+    aidl_ind->rangingIndicationType = legacy_ind.range_info.ranging_event_type;
     aidl_ind->scid = std::vector<uint8_t>(legacy_ind.scid, legacy_ind.scid + legacy_ind.scid_len);
 
     if (!convertLegacyNiraToAidl(legacy_ind.nira, &aidl_ind->peerNira)) {
@@ -2996,14 +2994,13 @@
 
 bool convertLegacyRadioCombinationsMatrixToAidl(
         legacy_hal::wifi_radio_combination_matrix* legacy_matrix,
-        WifiRadioCombinationMatrix* aidl_matrix) {
-    if (!aidl_matrix || !legacy_matrix) {
+        std::vector<WifiRadioCombination>* aidl_combinations) {
+    if (!aidl_combinations || !legacy_matrix) {
         return false;
     }
-    *aidl_matrix = {};
+    *aidl_combinations = {};
 
     int num_combinations = legacy_matrix->num_radio_combinations;
-    std::vector<WifiRadioCombination> radio_combinations_vec;
     if (!num_combinations) {
         LOG(ERROR) << "zero radio combinations";
         return false;
@@ -3029,13 +3026,12 @@
             radio_configurations_vec.push_back(radioConfiguration);
         }
         radioCombination.radioConfigurations = radio_configurations_vec;
-        radio_combinations_vec.push_back(radioCombination);
+        aidl_combinations->push_back(radioCombination);
         l_radio_combinations_ptr =
                 (wifi_radio_combination*)((u8*)l_radio_combinations_ptr +
                                           sizeof(wifi_radio_combination) +
                                           (sizeof(wifi_radio_configuration) * num_configurations));
     }
-    aidl_matrix->radioCombinations = radio_combinations_vec;
     return true;
 }
 
diff --git a/wifi/aidl/default/aidl_struct_util.h b/wifi/aidl/default/aidl_struct_util.h
index 208b734..9a13672 100644
--- a/wifi/aidl/default/aidl_struct_util.h
+++ b/wifi/aidl/default/aidl_struct_util.h
@@ -20,7 +20,10 @@
 #include <aidl/android/hardware/wifi/IWifiChip.h>
 #include <aidl/android/hardware/wifi/IWifiChipEventCallback.h>
 #include <aidl/android/hardware/wifi/NanBandIndex.h>
+#include <aidl/android/hardware/wifi/StaBackgroundScanBucketEventReportSchemeMask.h>
+#include <aidl/android/hardware/wifi/StaScanDataFlagMask.h>
 #include <aidl/android/hardware/wifi/WifiDebugRingBufferFlags.h>
+#include <aidl/android/hardware/wifi/WifiIfaceMode.h>
 
 #include <vector>
 
@@ -64,7 +67,7 @@
         std::vector<legacy_hal::wifi_coex_unsafe_channel>* legacy_unsafe_channels);
 bool convertLegacyRadioCombinationsMatrixToAidl(
         legacy_hal::wifi_radio_combination_matrix* legacy_matrix,
-        WifiRadioCombinationMatrix* aidl_matrix);
+        std::vector<WifiRadioCombination>* aidl_combinations);
 WifiBand convertLegacyMacBandToAidlWifiBand(uint32_t band);
 WifiAntennaMode convertLegacyAntennaConfigurationToAidl(uint32_t antenna_cfg);
 bool convertLegacyIfaceCombinationsMatrixToChipMode(
diff --git a/wifi/aidl/default/tests/aidl_struct_util_unit_tests.cpp b/wifi/aidl/default/tests/aidl_struct_util_unit_tests.cpp
index 9997937..4bd77ac 100644
--- a/wifi/aidl/default/tests/aidl_struct_util_unit_tests.cpp
+++ b/wifi/aidl/default/tests/aidl_struct_util_unit_tests.cpp
@@ -753,21 +753,22 @@
             sizeof(radio_configurations_array3) / sizeof(radio_configurations_array3[0]),
             radio_configurations_array3);
 
-    WifiRadioCombinationMatrix converted_matrix{};
-    aidl_struct_util::convertLegacyRadioCombinationsMatrixToAidl(legacy_matrix, &converted_matrix);
+    std::vector<WifiRadioCombination> converted_combinations;
+    aidl_struct_util::convertLegacyRadioCombinationsMatrixToAidl(legacy_matrix,
+                                                                 &converted_combinations);
 
     // Verify the conversion
-    EXPECT_EQ(legacy_matrix->num_radio_combinations, converted_matrix.radioCombinations.size());
+    EXPECT_EQ(legacy_matrix->num_radio_combinations, converted_combinations.size());
     verifyRadioCombination(
-            &converted_matrix.radioCombinations[0],
+            &converted_combinations[0],
             sizeof(radio_configurations_array1) / sizeof(radio_configurations_array1[0]),
             radio_configurations_array1);
     verifyRadioCombination(
-            &converted_matrix.radioCombinations[1],
+            &converted_combinations[1],
             sizeof(radio_configurations_array2) / sizeof(radio_configurations_array2[0]),
             radio_configurations_array2);
     verifyRadioCombination(
-            &converted_matrix.radioCombinations[2],
+            &converted_combinations[2],
             sizeof(radio_configurations_array3) / sizeof(radio_configurations_array3[0]),
             radio_configurations_array3);
 }
diff --git a/wifi/aidl/default/wifi_chip.cpp b/wifi/aidl/default/wifi_chip.cpp
index bb3eaf0..dd24e6b 100644
--- a/wifi/aidl/default/wifi_chip.cpp
+++ b/wifi/aidl/default/wifi_chip.cpp
@@ -455,7 +455,7 @@
                            &WifiChip::registerEventCallbackInternal, event_callback);
 }
 
-ndk::ScopedAStatus WifiChip::getCapabilities(IWifiChip::ChipCapabilityMask* _aidl_return) {
+ndk::ScopedAStatus WifiChip::getCapabilities(int32_t* _aidl_return) {
     return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
                            &WifiChip::getCapabilitiesInternal, _aidl_return);
 }
@@ -681,7 +681,7 @@
 
 ndk::ScopedAStatus WifiChip::setCoexUnsafeChannels(
         const std::vector<IWifiChip::CoexUnsafeChannel>& in_unsafeChannels,
-        CoexRestriction in_restrictions) {
+        int32_t in_restrictions) {
     return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
                            &WifiChip::setCoexUnsafeChannelsInternal, in_unsafeChannels,
                            in_restrictions);
@@ -692,8 +692,8 @@
                            &WifiChip::setCountryCodeInternal, in_code);
 }
 
-ndk::ScopedAStatus WifiChip::getUsableChannels(WifiBand in_band, WifiIfaceMode in_ifaceModeMask,
-                                               UsableChannelFilter in_filterMask,
+ndk::ScopedAStatus WifiChip::getUsableChannels(WifiBand in_band, int32_t in_ifaceModeMask,
+                                               int32_t in_filterMask,
                                                std::vector<WifiUsableChannel>* _aidl_return) {
     return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
                            &WifiChip::getUsableChannelsInternal, _aidl_return, in_band,
@@ -711,10 +711,10 @@
                            &WifiChip::triggerSubsystemRestartInternal);
 }
 
-ndk::ScopedAStatus WifiChip::getSupportedRadioCombinationsMatrix(
-        WifiRadioCombinationMatrix* _aidl_return) {
+ndk::ScopedAStatus WifiChip::getSupportedRadioCombinations(
+        std::vector<WifiRadioCombination>* _aidl_return) {
     return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
-                           &WifiChip::getSupportedRadioCombinationsMatrixInternal, _aidl_return);
+                           &WifiChip::getSupportedRadioCombinationsInternal, _aidl_return);
 }
 
 ndk::ScopedAStatus WifiChip::getWifiChipCapabilities(WifiChipCapabilities* _aidl_return) {
@@ -722,8 +722,7 @@
                            &WifiChip::getWifiChipCapabilitiesInternal, _aidl_return);
 }
 
-ndk::ScopedAStatus WifiChip::enableStaChannelForPeerNetwork(
-        ChannelCategoryMask in_channelCategoryEnableFlag) {
+ndk::ScopedAStatus WifiChip::enableStaChannelForPeerNetwork(int32_t in_channelCategoryEnableFlag) {
     return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
                            &WifiChip::enableStaChannelForPeerNetworkInternal,
                            in_channelCategoryEnableFlag);
@@ -787,7 +786,7 @@
     return ndk::ScopedAStatus::ok();
 }
 
-std::pair<IWifiChip::ChipCapabilityMask, ndk::ScopedAStatus> WifiChip::getCapabilitiesInternal() {
+std::pair<int32_t, ndk::ScopedAStatus> WifiChip::getCapabilitiesInternal() {
     legacy_hal::wifi_error legacy_status;
     uint64_t legacy_feature_set;
     uint32_t legacy_logger_feature_set;
@@ -795,7 +794,7 @@
     std::tie(legacy_status, legacy_feature_set) =
             legacy_hal_.lock()->getSupportedFeatureSet(ifname);
     if (legacy_status != legacy_hal::WIFI_SUCCESS) {
-        return {IWifiChip::ChipCapabilityMask{}, createWifiStatusFromLegacyError(legacy_status)};
+        return {0, createWifiStatusFromLegacyError(legacy_status)};
     }
     std::tie(legacy_status, legacy_logger_feature_set) =
             legacy_hal_.lock()->getLoggerSupportedFeatureSet(ifname);
@@ -806,9 +805,9 @@
     uint32_t aidl_caps;
     if (!aidl_struct_util::convertLegacyFeaturesToAidlChipCapabilities(legacy_feature_set,
                                                                        &aidl_caps)) {
-        return {IWifiChip::ChipCapabilityMask{}, createWifiStatus(WifiStatusCode::ERROR_UNKNOWN)};
+        return {0, createWifiStatus(WifiStatusCode::ERROR_UNKNOWN)};
     }
-    return {static_cast<IWifiChip::ChipCapabilityMask>(aidl_caps), ndk::ScopedAStatus::ok()};
+    return {aidl_caps, ndk::ScopedAStatus::ok()};
 }
 
 std::pair<std::vector<IWifiChip::ChipMode>, ndk::ScopedAStatus>
@@ -1385,13 +1384,12 @@
 }
 
 ndk::ScopedAStatus WifiChip::setCoexUnsafeChannelsInternal(
-        std::vector<IWifiChip::CoexUnsafeChannel> unsafe_channels, CoexRestriction restrictions) {
+        std::vector<IWifiChip::CoexUnsafeChannel> unsafe_channels, int32_t aidl_restrictions) {
     std::vector<legacy_hal::wifi_coex_unsafe_channel> legacy_unsafe_channels;
     if (!aidl_struct_util::convertAidlVectorOfCoexUnsafeChannelToLegacy(unsafe_channels,
                                                                         &legacy_unsafe_channels)) {
         return createWifiStatus(WifiStatusCode::ERROR_INVALID_ARGS);
     }
-    uint32_t aidl_restrictions = static_cast<uint32_t>(restrictions);
     uint32_t legacy_restrictions = 0;
     if (aidl_restrictions & static_cast<uint32_t>(CoexRestriction::WIFI_DIRECT)) {
         legacy_restrictions |= legacy_hal::wifi_coex_restriction::WIFI_DIRECT;
@@ -1413,15 +1411,13 @@
 }
 
 std::pair<std::vector<WifiUsableChannel>, ndk::ScopedAStatus> WifiChip::getUsableChannelsInternal(
-        WifiBand band, WifiIfaceMode ifaceModeMask, UsableChannelFilter filterMask) {
+        WifiBand band, int32_t ifaceModeMask, int32_t filterMask) {
     legacy_hal::wifi_error legacy_status;
     std::vector<legacy_hal::wifi_usable_channel> legacy_usable_channels;
     std::tie(legacy_status, legacy_usable_channels) = legacy_hal_.lock()->getUsableChannels(
             aidl_struct_util::convertAidlWifiBandToLegacyMacBand(band),
-            aidl_struct_util::convertAidlWifiIfaceModeToLegacy(
-                    static_cast<uint32_t>(ifaceModeMask)),
-            aidl_struct_util::convertAidlUsableChannelFilterToLegacy(
-                    static_cast<uint32_t>(filterMask)));
+            aidl_struct_util::convertAidlWifiIfaceModeToLegacy(ifaceModeMask),
+            aidl_struct_util::convertAidlUsableChannelFilterToLegacy(filterMask));
 
     if (legacy_status != legacy_hal::WIFI_SUCCESS) {
         return {std::vector<WifiUsableChannel>(), createWifiStatusFromLegacyError(legacy_status)};
@@ -1440,26 +1436,26 @@
     return createWifiStatus(WifiStatusCode::ERROR_NOT_SUPPORTED);
 }
 
-std::pair<WifiRadioCombinationMatrix, ndk::ScopedAStatus>
-WifiChip::getSupportedRadioCombinationsMatrixInternal() {
+std::pair<std::vector<WifiRadioCombination>, ndk::ScopedAStatus>
+WifiChip::getSupportedRadioCombinationsInternal() {
     legacy_hal::wifi_error legacy_status;
     legacy_hal::wifi_radio_combination_matrix* legacy_matrix;
+    std::vector<WifiRadioCombination> aidl_combinations;
 
     std::tie(legacy_status, legacy_matrix) =
             legacy_hal_.lock()->getSupportedRadioCombinationsMatrix();
     if (legacy_status != legacy_hal::WIFI_SUCCESS) {
         LOG(ERROR) << "Failed to get SupportedRadioCombinations matrix from legacy HAL: "
                    << legacyErrorToString(legacy_status);
-        return {WifiRadioCombinationMatrix{}, createWifiStatusFromLegacyError(legacy_status)};
+        return {aidl_combinations, createWifiStatusFromLegacyError(legacy_status)};
     }
 
-    WifiRadioCombinationMatrix aidl_matrix;
     if (!aidl_struct_util::convertLegacyRadioCombinationsMatrixToAidl(legacy_matrix,
-                                                                      &aidl_matrix)) {
+                                                                      &aidl_combinations)) {
         LOG(ERROR) << "Failed convertLegacyRadioCombinationsMatrixToAidl() ";
-        return {WifiRadioCombinationMatrix(), createWifiStatus(WifiStatusCode::ERROR_INVALID_ARGS)};
+        return {aidl_combinations, createWifiStatus(WifiStatusCode::ERROR_INVALID_ARGS)};
     }
-    return {aidl_matrix, ndk::ScopedAStatus::ok()};
+    return {aidl_combinations, ndk::ScopedAStatus::ok()};
 }
 
 std::pair<WifiChipCapabilities, ndk::ScopedAStatus> WifiChip::getWifiChipCapabilitiesInternal() {
@@ -1483,10 +1479,9 @@
 }
 
 ndk::ScopedAStatus WifiChip::enableStaChannelForPeerNetworkInternal(
-        ChannelCategoryMask channelCategoryEnableFlag) {
+        int32_t channelCategoryEnableFlag) {
     auto legacy_status = legacy_hal_.lock()->enableStaChannelForPeerNetwork(
-            aidl_struct_util::convertAidlChannelCategoryToLegacy(
-                    static_cast<uint32_t>(channelCategoryEnableFlag)));
+            aidl_struct_util::convertAidlChannelCategoryToLegacy(channelCategoryEnableFlag));
     return createWifiStatusFromLegacyError(legacy_status);
 }
 
diff --git a/wifi/aidl/default/wifi_chip.h b/wifi/aidl/default/wifi_chip.h
index def5da0..c5dcee7 100644
--- a/wifi/aidl/default/wifi_chip.h
+++ b/wifi/aidl/default/wifi_chip.h
@@ -85,7 +85,7 @@
     ndk::ScopedAStatus getId(int32_t* _aidl_return) override;
     ndk::ScopedAStatus registerEventCallback(
             const std::shared_ptr<IWifiChipEventCallback>& in_callback) override;
-    ndk::ScopedAStatus getCapabilities(IWifiChip::ChipCapabilityMask* _aidl_return) override;
+    ndk::ScopedAStatus getCapabilities(int32_t* _aidl_return) override;
     ndk::ScopedAStatus getAvailableModes(std::vector<IWifiChip::ChipMode>* _aidl_return) override;
     ndk::ScopedAStatus configureChip(int32_t in_modeId) override;
     ndk::ScopedAStatus getMode(int32_t* _aidl_return) override;
@@ -136,19 +136,19 @@
     ndk::ScopedAStatus setMultiStaUseCase(IWifiChip::MultiStaUseCase in_useCase) override;
     ndk::ScopedAStatus setCoexUnsafeChannels(
             const std::vector<IWifiChip::CoexUnsafeChannel>& in_unsafeChannels,
-            CoexRestriction in_restrictions) override;
+            int32_t in_restrictions) override;
     ndk::ScopedAStatus setCountryCode(const std::array<uint8_t, 2>& in_code) override;
-    ndk::ScopedAStatus getUsableChannels(WifiBand in_band, WifiIfaceMode in_ifaceModeMask,
-                                         UsableChannelFilter in_filterMask,
+    ndk::ScopedAStatus getUsableChannels(WifiBand in_band, int32_t in_ifaceModeMask,
+                                         int32_t in_filterMask,
                                          std::vector<WifiUsableChannel>* _aidl_return) override;
     ndk::ScopedAStatus setAfcChannelAllowance(
             const std::vector<AvailableAfcFrequencyInfo>& availableAfcFrequencyInfo) override;
     ndk::ScopedAStatus triggerSubsystemRestart() override;
-    ndk::ScopedAStatus getSupportedRadioCombinationsMatrix(
-            WifiRadioCombinationMatrix* _aidl_return) override;
+    ndk::ScopedAStatus getSupportedRadioCombinations(
+            std::vector<WifiRadioCombination>* _aidl_return) override;
     ndk::ScopedAStatus getWifiChipCapabilities(WifiChipCapabilities* _aidl_return) override;
     ndk::ScopedAStatus enableStaChannelForPeerNetwork(
-            ChannelCategoryMask in_channelCategoryEnableFlag) override;
+            int32_t in_channelCategoryEnableFlag) override;
     binder_status_t dump(int fd, const char** args, uint32_t numArgs) override;
     ndk::ScopedAStatus setMloMode(const ChipMloMode in_mode) override;
 
@@ -162,7 +162,7 @@
     std::pair<int32_t, ndk::ScopedAStatus> getIdInternal();
     ndk::ScopedAStatus registerEventCallbackInternal(
             const std::shared_ptr<IWifiChipEventCallback>& event_callback);
-    std::pair<IWifiChip::ChipCapabilityMask, ndk::ScopedAStatus> getCapabilitiesInternal();
+    std::pair<int32_t, ndk::ScopedAStatus> getCapabilitiesInternal();
     std::pair<std::vector<IWifiChip::ChipMode>, ndk::ScopedAStatus> getAvailableModesInternal();
     ndk::ScopedAStatus configureChipInternal(std::unique_lock<std::recursive_mutex>* lock,
                                              int32_t mode_id);
@@ -214,13 +214,11 @@
     ndk::ScopedAStatus setMultiStaPrimaryConnectionInternal(const std::string& ifname);
     ndk::ScopedAStatus setMultiStaUseCaseInternal(IWifiChip::MultiStaUseCase use_case);
     ndk::ScopedAStatus setCoexUnsafeChannelsInternal(
-            std::vector<IWifiChip::CoexUnsafeChannel> unsafe_channels,
-            CoexRestriction restrictions);
+            std::vector<IWifiChip::CoexUnsafeChannel> unsafe_channels, int32_t restrictions);
     ndk::ScopedAStatus setCountryCodeInternal(const std::array<uint8_t, 2>& in_code);
     std::pair<std::vector<WifiUsableChannel>, ndk::ScopedAStatus> getUsableChannelsInternal(
-            WifiBand band, WifiIfaceMode ifaceModeMask, UsableChannelFilter filterMask);
-    ndk::ScopedAStatus enableStaChannelForPeerNetworkInternal(
-            ChannelCategoryMask channelCategoryEnableFlag);
+            WifiBand band, int32_t ifaceModeMask, int32_t filterMask);
+    ndk::ScopedAStatus enableStaChannelForPeerNetworkInternal(int32_t channelCategoryEnableFlag);
     ndk::ScopedAStatus setAfcChannelAllowanceInternal(
             const std::vector<AvailableAfcFrequencyInfo>& availableAfcFrequencyInfo);
     ndk::ScopedAStatus handleChipConfiguration(std::unique_lock<std::recursive_mutex>* lock,
@@ -258,8 +256,8 @@
     void invalidateAndClearBridgedAp(const std::string& br_name);
     bool findUsingNameFromBridgedApInstances(const std::string& name);
     ndk::ScopedAStatus triggerSubsystemRestartInternal();
-    std::pair<WifiRadioCombinationMatrix, ndk::ScopedAStatus>
-    getSupportedRadioCombinationsMatrixInternal();
+    std::pair<std::vector<WifiRadioCombination>, ndk::ScopedAStatus>
+    getSupportedRadioCombinationsInternal();
     std::pair<WifiChipCapabilities, ndk::ScopedAStatus> getWifiChipCapabilitiesInternal();
     ndk::ScopedAStatus setMloModeInternal(const ChipMloMode in_mode);
     void retrieveDynamicIfaceCombination();
diff --git a/wifi/aidl/default/wifi_sta_iface.cpp b/wifi/aidl/default/wifi_sta_iface.cpp
index 300316a..eceeeb5 100644
--- a/wifi/aidl/default/wifi_sta_iface.cpp
+++ b/wifi/aidl/default/wifi_sta_iface.cpp
@@ -82,8 +82,7 @@
                            &WifiStaIface::registerEventCallbackInternal, in_callback);
 }
 
-ndk::ScopedAStatus WifiStaIface::getCapabilities(
-        IWifiStaIface::StaIfaceCapabilityMask* _aidl_return) {
+ndk::ScopedAStatus WifiStaIface::getCapabilities(int32_t* _aidl_return) {
     return validateAndCall(this, WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
                            &WifiStaIface::getCapabilitiesInternal, _aidl_return);
 }
@@ -239,24 +238,20 @@
     return ndk::ScopedAStatus::ok();
 }
 
-std::pair<IWifiStaIface::StaIfaceCapabilityMask, ndk::ScopedAStatus>
-WifiStaIface::getCapabilitiesInternal() {
+std::pair<int32_t, ndk::ScopedAStatus> WifiStaIface::getCapabilitiesInternal() {
     legacy_hal::wifi_error legacy_status;
     uint64_t legacy_feature_set;
     std::tie(legacy_status, legacy_feature_set) =
             legacy_hal_.lock()->getSupportedFeatureSet(ifname_);
     if (legacy_status != legacy_hal::WIFI_SUCCESS) {
-        return {IWifiStaIface::StaIfaceCapabilityMask{},
-                createWifiStatusFromLegacyError(legacy_status)};
+        return {0, createWifiStatusFromLegacyError(legacy_status)};
     }
     uint32_t aidl_caps;
     if (!aidl_struct_util::convertLegacyFeaturesToAidlStaCapabilities(legacy_feature_set,
                                                                       &aidl_caps)) {
-        return {IWifiStaIface::StaIfaceCapabilityMask{},
-                createWifiStatus(WifiStatusCode::ERROR_UNKNOWN)};
+        return {0, createWifiStatus(WifiStatusCode::ERROR_UNKNOWN)};
     }
-    return {static_cast<IWifiStaIface::StaIfaceCapabilityMask>(aidl_caps),
-            ndk::ScopedAStatus::ok()};
+    return {aidl_caps, ndk::ScopedAStatus::ok()};
 }
 
 std::pair<StaApfPacketFilterCapabilities, ndk::ScopedAStatus>
diff --git a/wifi/aidl/default/wifi_sta_iface.h b/wifi/aidl/default/wifi_sta_iface.h
index 2e4403a..0831e16 100644
--- a/wifi/aidl/default/wifi_sta_iface.h
+++ b/wifi/aidl/default/wifi_sta_iface.h
@@ -54,8 +54,7 @@
     ndk::ScopedAStatus getName(std::string* _aidl_return) override;
     ndk::ScopedAStatus registerEventCallback(
             const std::shared_ptr<IWifiStaIfaceEventCallback>& in_callback) override;
-    ndk::ScopedAStatus getCapabilities(
-            IWifiStaIface::StaIfaceCapabilityMask* _aidl_return) override;
+    ndk::ScopedAStatus getCapabilities(int32_t* _aidl_return) override;
     ndk::ScopedAStatus getApfPacketFilterCapabilities(
             StaApfPacketFilterCapabilities* _aidl_return) override;
     ndk::ScopedAStatus installApfPacketFilter(const std::vector<uint8_t>& in_program) override;
@@ -99,7 +98,7 @@
     std::pair<std::string, ndk::ScopedAStatus> getNameInternal();
     ndk::ScopedAStatus registerEventCallbackInternal(
             const std::shared_ptr<IWifiStaIfaceEventCallback>& callback);
-    std::pair<IWifiStaIface::StaIfaceCapabilityMask, ndk::ScopedAStatus> getCapabilitiesInternal();
+    std::pair<int32_t, ndk::ScopedAStatus> getCapabilitiesInternal();
     std::pair<StaApfPacketFilterCapabilities, ndk::ScopedAStatus>
     getApfPacketFilterCapabilitiesInternal();
     ndk::ScopedAStatus installApfPacketFilterInternal(const std::vector<uint8_t>& program);
diff --git a/wifi/aidl/vts/functional/wifi_aidl_test_utils.cpp b/wifi/aidl/vts/functional/wifi_aidl_test_utils.cpp
index 463545b..4cf14a2 100644
--- a/wifi/aidl/vts/functional/wifi_aidl_test_utils.cpp
+++ b/wifi/aidl/vts/functional/wifi_aidl_test_utils.cpp
@@ -208,9 +208,9 @@
 }
 
 int32_t getChipCapabilities(const std::shared_ptr<IWifiChip>& wifi_chip) {
-    IWifiChip::ChipCapabilityMask caps = {};
+    int32_t caps = 0;
     if (wifi_chip->getCapabilities(&caps).isOk()) {
-        return static_cast<int32_t>(caps);
+        return caps;
     }
     return 0;
 }
diff --git a/wifi/aidl/vts/functional/wifi_chip_aidl_test.cpp b/wifi/aidl/vts/functional/wifi_chip_aidl_test.cpp
index f908be6..dbff949 100644
--- a/wifi/aidl/vts/functional/wifi_chip_aidl_test.cpp
+++ b/wifi/aidl/vts/functional/wifi_chip_aidl_test.cpp
@@ -22,6 +22,7 @@
 #include <aidl/Vintf.h>
 #include <aidl/android/hardware/wifi/BnWifi.h>
 #include <aidl/android/hardware/wifi/BnWifiChipEventCallback.h>
+#include <aidl/android/hardware/wifi/WifiIfaceMode.h>
 #include <android/binder_manager.h>
 #include <android/binder_status.h>
 #include <binder/IServiceManager.h>
@@ -41,7 +42,7 @@
 using aidl::android::hardware::wifi::WifiDebugRingBufferStatus;
 using aidl::android::hardware::wifi::WifiDebugRingBufferVerboseLevel;
 using aidl::android::hardware::wifi::WifiIfaceMode;
-using aidl::android::hardware::wifi::WifiRadioCombinationMatrix;
+using aidl::android::hardware::wifi::WifiRadioCombination;
 using aidl::android::hardware::wifi::WifiStatusCode;
 using aidl::android::hardware::wifi::WifiUsableChannel;
 
@@ -232,9 +233,7 @@
 
     std::vector<WifiUsableChannel> channels;
     configureChipForConcurrencyType(IfaceConcurrencyType::STA);
-    auto status = wifi_chip_->getUsableChannels(
-            band, static_cast<WifiIfaceMode>(ifaceModeMask),
-            static_cast<IWifiChip::UsableChannelFilter>(filterMask), &channels);
+    auto status = wifi_chip_->getUsableChannels(band, ifaceModeMask, filterMask, &channels);
     if (checkStatusCode(&status, WifiStatusCode::ERROR_NOT_SUPPORTED)) {
         GTEST_SKIP() << "getUsableChannels() is not supported by vendor.";
     }
@@ -242,14 +241,14 @@
 }
 
 /*
- * GetSupportedRadioCombinationsMatrix
+ * GetSupportedRadioCombinations
  */
-TEST_P(WifiChipAidlTest, GetSupportedRadioCombinationsMatrix) {
-    WifiRadioCombinationMatrix combination_matrix = {};
+TEST_P(WifiChipAidlTest, GetSupportedRadioCombinations) {
+    std::vector<WifiRadioCombination> combinations;
     configureChipForConcurrencyType(IfaceConcurrencyType::STA);
-    auto status = wifi_chip_->getSupportedRadioCombinationsMatrix(&combination_matrix);
+    auto status = wifi_chip_->getSupportedRadioCombinations(&combinations);
     if (checkStatusCode(&status, WifiStatusCode::ERROR_NOT_SUPPORTED)) {
-        GTEST_SKIP() << "Skipping this test since getSupportedRadioCombinationsMatrix() "
+        GTEST_SKIP() << "Skipping this test since getSupportedRadioCombinations() "
                         "is not supported by vendor.";
     }
     EXPECT_TRUE(status.isOk());
@@ -337,7 +336,7 @@
 
     // Test with an empty vector of CoexUnsafeChannels.
     std::vector<IWifiChip::CoexUnsafeChannel> vec;
-    IWifiChip::CoexRestriction restrictions = static_cast<IWifiChip::CoexRestriction>(0);
+    int restrictions = 0;
     auto status = wifi_chip_->setCoexUnsafeChannels(vec, restrictions);
     if (!status.isOk()) {
         EXPECT_TRUE(checkStatusCode(&status, WifiStatusCode::ERROR_NOT_SUPPORTED));
@@ -352,10 +351,9 @@
     unsafeChannel5Ghz.band = WifiBand::BAND_5GHZ;
     unsafeChannel5Ghz.channel = 36;
     vec.push_back(unsafeChannel5Ghz);
-    restrictions = static_cast<IWifiChip::CoexRestriction>(
-            static_cast<int32_t>(IWifiChip::CoexRestriction::WIFI_AWARE) |
-            static_cast<int32_t>(IWifiChip::CoexRestriction::SOFTAP) |
-            static_cast<int32_t>(IWifiChip::CoexRestriction::WIFI_DIRECT));
+    restrictions = static_cast<int32_t>(IWifiChip::CoexRestriction::WIFI_AWARE) |
+                   static_cast<int32_t>(IWifiChip::CoexRestriction::SOFTAP) |
+                   static_cast<int32_t>(IWifiChip::CoexRestriction::WIFI_DIRECT);
 
     status = wifi_chip_->setCoexUnsafeChannels(vec, restrictions);
     if (!status.isOk()) {
diff --git a/wifi/aidl/vts/functional/wifi_sta_iface_aidl_test.cpp b/wifi/aidl/vts/functional/wifi_sta_iface_aidl_test.cpp
index fe32be5..b772bc3 100644
--- a/wifi/aidl/vts/functional/wifi_sta_iface_aidl_test.cpp
+++ b/wifi/aidl/vts/functional/wifi_sta_iface_aidl_test.cpp
@@ -54,9 +54,9 @@
 
   protected:
     bool isCapabilitySupported(IWifiStaIface::StaIfaceCapabilityMask expected) {
-        IWifiStaIface::StaIfaceCapabilityMask caps = {};
+        int32_t caps = 0;
         EXPECT_TRUE(wifi_sta_iface_->getCapabilities(&caps).isOk());
-        return static_cast<uint32_t>(caps) & static_cast<uint32_t>(expected);
+        return caps & static_cast<int32_t>(expected);
     }
 
     ndk::ScopedAStatus createStaIface(std::shared_ptr<IWifiStaIface>* sta_iface) {
@@ -86,9 +86,9 @@
  * GetCapabilities
  */
 TEST_P(WifiStaIfaceAidlTest, GetCapabilities) {
-    IWifiStaIface::StaIfaceCapabilityMask caps = {};
+    int32_t caps = 0;
     EXPECT_TRUE(wifi_sta_iface_->getCapabilities(&caps).isOk());
-    EXPECT_NE(static_cast<int32_t>(caps), 0);
+    EXPECT_NE(caps, 0);
 }
 
 /*