[FM] There is no sound output after resuming playing when FM is over BT

Launch FM radio and play -> Stop FM -> Turn on BT and connect with BT
earphone with A2DP -> Open FM and resume playing, there is no sound
output after step 4.

Bug 19171819
from: https://partner-android-review.googlesource.com/#/c/199683/

Change-Id: I01d3975387840d9356c6f80d1f411eeb8526f930
Signed-off-by: Benson Huang <benson.huang@mediatek.com>

1 files changed, 10 insertions, 13 deletions

diff --git a/src/com/android/fmradio/FmService.java b/src/com/android/fmradio/FmService.java
index c00e8cf..7f2ef78 100644
--- a/src/com/android/fmradio/FmService.java
+++ b/src/com/android/fmradio/FmService.java
@@ -385,19 +385,16 @@ public class FmService extends Service implements FmRecorder.OnRecorderStateChan
 
     private synchronized void startRender() {
         Log.d(TAG, "startRender " + AudioSystem.getForceUse(FOR_PROPRIETARY));
-        // Stop old AudioRecord and create a new AudioRecord
-        // when plugging out and then plugging in wired headset.
-        // Otherwise, reading data from old AudioRecord will be blocked.
-        if (AudioSystem.getForceUse(FOR_PROPRIETARY) ==
-                AudioSystem.FORCE_SPEAKER && mIsSpeakerUsed) {
-            if (mAudioRecord != null) {
-                mAudioRecord.stop();
-            }
-            if (mAudioTrack != null) {
-                mAudioTrack.stop();
-            }
-            initAudioRecordSink();
-        }
+
+       // need to create new audio record and audio play back track,
+       // because input/output device may be changed.
+       if (mAudioRecord != null) {
+           mAudioRecord.stop();
+       }
+       if (mAudioTrack != null) {
+           mAudioTrack.stop();
+       }
+       initAudioRecordSink();
 
         mIsRender = true;
         synchronized (mRenderLock) {