commit 9cd7ad101315e0bff4c5f171706c6f80c7e22644
author vivek mehta <mvivek@codeaurora.org> Thu Mar 17 00:18:29 2016 -0700
committer Eric Laurent <elaurent@google.com> Fri Mar 18 15:46:14 2016 -0700
tree 56ceda68334ad7b45e20ae40a8b4300239b86836
parent 7f7052f5e45f8eb1df80a6978e0095d9e9c9eded

audio: allow standby for direct track

Delay standby for offload track use case is not suitable for direct
track in PCM format, because player torn down doesn't necessarily happen.

To avoid AP looping infinitely, allow standby right after direct track
in PCM format is paused.

Bug: 27746493

Change-Id: Id0026ac9891a12acc4affa446b2bc841559fcc28

services/audioflinger/Threads.cpp

diff --git a/services/audioflinger/Threads.cpp b/services/audioflinger/Threads.cpp
index e2932f1..35ce317 100644
--- a/services/audioflinger/Threads.cpp
+++ b/services/audioflinger/Threads.cpp
@@ -4996,6 +4996,10 @@
     bool trackPaused = false;
     bool trackStopped = false;
 
+    if ((mType == DIRECT) && audio_is_linear_pcm(mFormat) && !usesHwAvSync()) {
+        return !mStandby;
+    }
+
     // do not put the HAL in standby when paused. AwesomePlayer clear the offloaded AudioTrack
     // after a timeout and we will enter standby then.
     if (mTracks.size() > 0) {