Merge "Spatial Audio: Add audio HAL interface for allowing or disallowing low latency audio"

bluetooth/audio/2.2/IBluetoothAudioProvider.hal

@@ -69,4 +69,12 @@ interface IBluetoothAudioProvider extends @2.1::IBluetoothAudioProvider {
      *    encoding.
      */
     updateAudioConfiguration(AudioConfiguration audioConfig);
+
+    /**
+     * Called when the supported latency mode is updated.
+     *
+     * @param allowed If the peripheral devices can't keep up with low latency
+     * mode, the API will be called with supported is false.
+     */
+    setLowLatencyModeAllowed(bool allowed);
 };

bluetooth/audio/2.2/default/BluetoothAudioProvider.cpp

@@ -209,6 +209,18 @@ Return<void> BluetoothAudioProvider::updateAudioConfiguration(
   return Void();
 }
 
+Return<void> BluetoothAudioProvider::setLowLatencyModeAllowed(bool allowed) {
+  LOG(INFO) << __func__ << " - SessionType=" << toString(session_type_);
+
+  if (stack_iface_ == nullptr) {
+    LOG(INFO) << __func__ << " - SessionType=" << toString(session_type_)
+              << " has NO session";
+    return Void();
+  }
+  LOG(INFO) << __func__ << " allowed: " << allowed;
+  return Void();
+}
+
 }  // namespace implementation
 }  // namespace V2_2
 }  // namespace audio

bluetooth/audio/2.2/default/BluetoothAudioProvider.h

@@ -56,6 +56,8 @@ class BluetoothAudioProvider : public IBluetoothAudioProvider {
   Return<void> updateAudioConfiguration(
       const AudioConfiguration& audioConfig) override;
 
+  Return<void> setLowLatencyModeAllowed(bool allowed) override;
+
  protected:
   sp<BluetoothAudioDeathRecipient> death_recipient_;