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Commit 635e743a authored by Mikhail Naganov's avatar Mikhail Naganov
Browse files

Fix parameters passed to pcm_open to include PCM_MONOTONIC 

This fixes the problem of not getting CLOCK_MONOTONIC timestamps
from output stream's get_presentation_position function

Bug: 37755299
Test: aaudio LOW_LATENCY mode
Change-Id: I256fa2769ced99139b3c7690e0908ac69359067c
parent 9e737dea

hal/audio_hw.c

+2 −3
Original line number Original line Diff line number Diff line
@@ -1673,7 +1673,7 @@ int start_output_stream(struct stream_out *out) 
            goto error_open;

            goto error_open;

        }

        }

    } else {

    } else {

        unsigned int flags = PCM_OUT;

        unsigned int flags = PCM_OUT | PCM_MONOTONIC;

        unsigned int pcm_open_retry_count = 0;

        unsigned int pcm_open_retry_count = 0;





        if (out->usecase == USECASE_AUDIO_PLAYBACK_AFE_PROXY) {

        if (out->usecase == USECASE_AUDIO_PLAYBACK_AFE_PROXY) {
@@ -1681,8 +1681,7 @@ int start_output_stream(struct stream_out *out) 
            pcm_open_retry_count = PROXY_OPEN_RETRY_COUNT;

            pcm_open_retry_count = PROXY_OPEN_RETRY_COUNT;

        } else if (out->realtime) {

        } else if (out->realtime) {

            flags |= PCM_MMAP | PCM_NOIRQ;

            flags |= PCM_MMAP | PCM_NOIRQ;

        } else

        }

            flags |= PCM_MONOTONIC;





        while (1) {

        while (1) {

            out->pcm = pcm_open(adev->snd_card, out->pcm_device_id,

            out->pcm = pcm_open(adev->snd_card, out->pcm_device_id,