Merge "AudioDeviceBroker: Fix not setting proper call volume for LE Headset" into udc-dev am: 0eeb400e76

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23258556

Change-Id: I16a414daba0d8afd8499b407fc77dbda112f784f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

1 files changed, 24 insertions, 0 deletions

diff --git a/services/core/java/com/android/server/audio/AudioDeviceBroker.java b/services/core/java/com/android/server/audio/AudioDeviceBroker.java
index f4c9d05ee0ef..d7a5ee963449 100644
--- a/services/core/java/com/android/server/audio/AudioDeviceBroker.java
+++ b/services/core/java/com/android/server/audio/AudioDeviceBroker.java
@@ -420,6 +420,20 @@ import java.util.concurrent.atomic.AtomicBoolean;
             mBtHelper.stopBluetoothSco(eventSource);
         }
 
+        // In BT classic for communication, the device changes from a2dp to sco device, but for
+        // LE Audio it stays the same and we must trigger the proper stream volume alignment, if
+        // LE Audio communication device is activated after the audio system has already switched to
+        // MODE_IN_CALL mode.
+        if (isBluetoothLeAudioRequested()) {
+            final int streamType = mAudioService.getBluetoothContextualVolumeStream();
+            final int leAudioVolIndex = getVssVolumeForDevice(streamType, device.getInternalType());
+            final int leAudioMaxVolIndex = getMaxVssVolumeForStream(streamType);
+            if (AudioService.DEBUG_COMM_RTE) {
+                Log.v(TAG, "setCommunicationRouteForClient restoring LE Audio device volume lvl.");
+            }
+            postSetLeAudioVolumeIndex(leAudioVolIndex, leAudioMaxVolIndex, streamType);
+        }
+
         updateCommunicationRoute(eventSource);
     }
 
@@ -633,6 +647,16 @@ import java.util.concurrent.atomic.AtomicBoolean;
     }
 
     /**
+     * Helper method on top of isDeviceRequestedForCommunication() indicating if
+     * Bluetooth LE Audio communication device is currently requested or not.
+     * @return true if Bluetooth LE Audio device is requested, false otherwise.
+     */
+    /*package*/ boolean isBluetoothLeAudioRequested() {
+        return isDeviceRequestedForCommunication(AudioDeviceInfo.TYPE_BLE_HEADSET)
+                || isDeviceRequestedForCommunication(AudioDeviceInfo.TYPE_BLE_SPEAKER);
+    }
+
+    /**
      * Indicates if preferred route selection for communication is Bluetooth SCO.
      * @return true if Bluetooth SCO is preferred , false otherwise.
      */