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ALSA: Add SNDRV_PCM_STATE_PAUSED case in wait_for_avail function

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commit ed697e1aaf upstream.

When the process is sleeping at the SNDRV_PCM_STATE_PAUSED
state from the wait_for_avail function, the sleep process will be woken by
timeout(10 seconds). Even if the sleep process wake up by timeout, by this
patch, the process will continue with sleep and wait for the other state.

Signed-off-by: JongHo Kim <furmuwon@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
JongHo Kim
2013-12-17 23:02:24 +09:00
committed by Greg Kroah-Hartman
parent 6dd598aca3
commit 79acc77a3f
1 changed files with 2 additions and 0 deletions
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2
sound/core/pcm_lib.c
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@@ -1936,6 +1936,8 @@ static int wait_for_avail(struct snd_pcm_substream *substream,
case SNDRV_PCM_STATE_DISCONNECTED:
err = -EBADFD;
goto _endloop;
case SNDRV_PCM_STATE_PAUSED:
continue;
}
if (!tout) {
snd_printd("%s write error (DMA or IRQ trouble?)\n",