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Commit b80a2a88 authored by Eric Laurent's avatar Eric Laurent
Browse files

audio policy: fix output device command after clearing audio patch 

Make sure that a valid audio patch is created again on an output stream
following the disconneciton and reconnection of the same output device.

Bug: 18144611.
Change-Id: I72387ad8e93f8fb2571da2a6c58a6e167ac7fc4d
parent 701b9647

services/audiopolicy/AudioPolicyManager.cpp

+8 −4
Original line number Diff line number Diff line
@@ -4358,11 +4358,15 @@ uint32_t AudioPolicyManager::setOutputDevice(audio_io_handle_t output, 
    muteWaitMs = checkDeviceMuteStrategies(outputDesc, prevDevice, delayMs);



    // Do not change the routing if:

    //  - the requested device is AUDIO_DEVICE_NONE

    //  - the requested device is the same as current device and force is not specified.

    //      the requested device is AUDIO_DEVICE_NONE

    //      OR the requested device is the same as current device

    //  AND force is not specified

    //  AND the output is connected by a valid audio patch.

    // Doing this check here allows the caller to call setOutputDevice() without conditions

    if ((device == AUDIO_DEVICE_NONE || device == prevDevice) && !force) {

        ALOGV("setOutputDevice() setting same device %04x or null device for output %d", device, output);

    if ((device == AUDIO_DEVICE_NONE || device == prevDevice) && !force &&

            outputDesc->mPatchHandle != 0) {

        ALOGV("setOutputDevice() setting same device %04x or null device for output %d",

              device, output);

        return muteWaitMs;

    }