commit ae66b13f9da852b6a78e1a6054b34641b12e7875
author Hongwei Wang <hwwang@google.com> Tue Jun 19 12:22:08 2018 -0700
committer Hongwei Wang <hwwang@google.com> Tue Jun 19 13:12:34 2018 -0700
tree 26bcbdd2c1630fcba7a3d8b4bba116ec7e7edda0
parent fb5ef1e7e7581aa940849afc2fca888e932d3019

Ensure the initial volume when creating audio patch

Bug: 79984989
Test: Switch audio sources on OWL bench

Change-Id: Ic7320fecfc8a42ff4886099ff7831f85cba146b0

service/src/com/android/car/CarAudioService.java

diff --git a/service/src/com/android/car/CarAudioService.java b/service/src/com/android/car/CarAudioService.java
index f3426c1..1f9fad0 100644
--- a/service/src/com/android/car/CarAudioService.java
+++ b/service/src/com/android/car/CarAudioService.java
@@ -719,6 +719,11 @@
         Preconditions.checkNotNull(patch[0],
                 "createAudioPatch didn't provide expected single handle");
         Log.d(CarLog.TAG_AUDIO, "Audio patch created: " + patch[0]);
+
+        // Ensure the initial volume on output device port
+        int groupId = getVolumeGroupIdForUsage(usage);
+        setGroupVolume(groupId, getGroupVolume(groupId), 0);
+
         return new CarAudioPatchHandle(patch[0]);
     }