diff options
-rw-r--r-- | services/audioflinger/Threads.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/services/audioflinger/Threads.cpp b/services/audioflinger/Threads.cpp index 0a7d4a2..5bd9149 100644 --- a/services/audioflinger/Threads.cpp +++ b/services/audioflinger/Threads.cpp @@ -3479,6 +3479,12 @@ ssize_t AudioFlinger::MixerThread::threadLoop_write() if (state->mCommand != FastMixerState::MIX_WRITE && (kUseFastMixer != FastMixer_Dynamic || state->mTrackMask > 1)) { if (state->mCommand == FastMixerState::COLD_IDLE) { + + // FIXME workaround for first HAL write being CPU bound on some devices + ATRACE_BEGIN("write"); + mOutput->write((char *)mSinkBuffer, 0); + ATRACE_END(); + int32_t old = android_atomic_inc(&mFastMixerFutex); if (old == -1) { (void) syscall(__NR_futex, &mFastMixerFutex, FUTEX_WAKE_PRIVATE, 1); |