Commit 62ba568f authored by Ricardo Biehl Pasquali's avatar Ricardo Biehl Pasquali Committed by Takashi Iwai

ALSA: pcm: Return 0 when size < start_threshold in capture

In __snd_pcm_lib_xfer(), when capture, if state is PREPARED
and size is less than start_threshold nothing can be done.
As there is no error, 0 is returned.
Signed-off-by: default avatarRicardo Biehl Pasquali <pasqualirb@gmail.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 5b394b2d
......@@ -2173,11 +2173,16 @@ snd_pcm_sframes_t __snd_pcm_lib_xfer(struct snd_pcm_substream *substream,
goto _end_unlock;
if (!is_playback &&
runtime->status->state == SNDRV_PCM_STATE_PREPARED &&
size >= runtime->start_threshold) {
runtime->status->state == SNDRV_PCM_STATE_PREPARED) {
if (size >= runtime->start_threshold) {
err = snd_pcm_start(substream);
if (err < 0)
goto _end_unlock;
} else {
/* nothing to do */
err = 0;
goto _end_unlock;
}
}
runtime->twake = runtime->control->avail_min ? : 1;
......
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