On Fri, 02 Sep 2016 18:19:44 +0200, jeeja.kp@xxxxxxxxx wrote: > > From: Jeeja KP <jeeja.kp@xxxxxxxxx> > > When the stream is in suspended state some applications wait > on "Stream Pipe Error" in response to snd_pcm_avail call to > resume the stream. > > In the current implementation snd_pcm_avail() returns zero > when the stream is in suspended state. This causes application > to enter in infinite loop for frames to be available. > > "Stream pipe Error" code is getting returned for read/write > call when the stream is in suspended state. Similarly update > snd_pcm_avail to return -ESTRPIPE. > > Signed-off-by: Jeeja KP <jeeja.kp@xxxxxxxxx> Applied, thanks. Takashi > --- > sound/core/pcm_native.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c > index c61fd50..9d33c1e 100644 > --- a/sound/core/pcm_native.c > +++ b/sound/core/pcm_native.c > @@ -2637,9 +2637,11 @@ static int snd_pcm_hwsync(struct snd_pcm_substream *substream) > break; > /* Fall through */ > case SNDRV_PCM_STATE_PREPARED: > - case SNDRV_PCM_STATE_SUSPENDED: > err = 0; > break; > + case SNDRV_PCM_STATE_SUSPENDED: > + err = -ESTRPIPE; > + break; > case SNDRV_PCM_STATE_XRUN: > err = -EPIPE; > break; > -- > 2.5.0 > > _______________________________________________ > Alsa-devel mailing list > Alsa-devel@xxxxxxxxxxxxxxxx > http://mailman.alsa-project.org/mailman/listinfo/alsa-devel > _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
