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authorTakashi Iwai <tiwai@suse.de>2014-12-18 10:02:41 +0100
committerTakashi Iwai <tiwai@suse.de>2015-02-23 16:48:18 +0100
commit70372a7566b5e552dbe48abdac08c275081d8558 (patch)
tree5f83c45b918bed80633bf9b3dbbdc123c3b6bb60 /sound
parentdec84316dd53c90e93b4ee849483bd4bd1e9a585 (diff)
downloadlinux-70372a7566b5e552dbe48abdac08c275081d8558.tar.bz2
ALSA: pcm: Don't leave PREPARED state after draining
When a PCM draining is performed to an empty stream that has been already in PREPARED state, the current code just ignores and leaves as it is, although the drain is supposed to set all such streams to SETUP state. This patch covers that overlooked case. Cc: <stable@vger.kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
-rw-r--r--sound/core/pcm_native.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index b03a638b420c..279e24f61305 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -1552,6 +1552,8 @@ static int snd_pcm_do_drain_init(struct snd_pcm_substream *substream, int state)
if (! snd_pcm_playback_empty(substream)) {
snd_pcm_do_start(substream, SNDRV_PCM_STATE_DRAINING);
snd_pcm_post_start(substream, SNDRV_PCM_STATE_DRAINING);
+ } else {
+ runtime->status->state = SNDRV_PCM_STATE_SETUP;
}
break;
case SNDRV_PCM_STATE_RUNNING: