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Commit 8cc93b9b authored by Eric Laurent's avatar Eric Laurent
Browse files

Fix issue 2909189: System property ro.audio.silent no longer mutes system. 

Fixed regression introduced by commit 2a6b80bc:
master mute was not working if no effect chains were present on session 0.

Change-Id: I66d107e045d159cb94d29c7476fa1e12d92f2ae7
parent 259b4c86

services/audioflinger/AudioFlinger.cpp

+4 −4
Original line number Diff line number Diff line
@@ -1675,6 +1675,9 @@ uint32_t AudioFlinger::MixerThread::prepareTracks_l(const SortedVector< wp<Track 
    float masterVolume = mMasterVolume;

    bool  masterMute = mMasterMute;



    if (masterMute) {

        masterVolume = 0;

    }

#ifdef LVMX

    bool tracksConnectedChanged = false;

    bool stateChanged = false;
@@ -1696,10 +1699,7 @@ uint32_t AudioFlinger::MixerThread::prepareTracks_l(const SortedVector< wp<Track 
    // Delegate master volume control to effect in output mix effect chain if needed

    sp<EffectChain> chain = getEffectChain_l(AudioSystem::SESSION_OUTPUT_MIX);

    if (chain != 0) {

        uint32_t v = 0;

        if (!masterMute) {

            v = (uint32_t)(masterVolume * (1 << 24));

        }

        uint32_t v = (uint32_t)(masterVolume * (1 << 24));

        chain->setVolume_l(&v, &v);

        masterVolume = (float)((v + (1 << 23)) >> 24);

        chain.clear();