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Commit b0063fec authored by Sridhar Vashist's avatar Sridhar Vashist Committed by Chris Elliott
Browse files

DO NOT MERGE audioflinger: dont release wakelock during offload drain sequence 



workaround to avoid lost offload audio buffers during a compress_drain
when a wakelock is not held.
reference internal commit# 078538cf

Change-Id: I91fe76f985dfb619610f92f946022184564598cb
Signed-off-by: default avatarSridhar Vashist <svashist@motorola.com>
parent 9cc01515

services/audioflinger/Threads.cpp

+12 −2
Original line number Diff line number Diff line
@@ -2467,13 +2467,23 @@ bool AudioFlinger::PlaybackThread::threadLoop() 
                if (exitPending()) {

                    break;

                }

                bool released = false;

                // The following works around a bug in the offload driver. Ideally we would release

                // the wake lock every time, but that causes the last offload buffer(s) to be

                // dropped while the device is on battery, so we need to hold a wake lock during

                // the drain phase.

                if (mBytesRemaining && !(mDrainSequence & 1)) {

                    releaseWakeLock_l();

                    released = true;

                }

                mWakeLockUids.clear();

                mActiveTracksGeneration++;

                ALOGV("wait async completion");

                mWaitWorkCV.wait(mLock);

                ALOGV("async completion/wake");

                if (released) {

                    acquireWakeLock_l();

                }

                standbyTime = systemTime() + standbyDelay;

                sleepTime = 0;