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authorTakashi Iwai <tiwai@suse.de>2014-12-18 10:02:41 +0100
committerJiri Slaby <jslaby@suse.cz>2015-03-12 17:31:27 +0100
commitf9b3a7f0ee758aeacb05ce3dd42dc9675e14b5e7 (patch)
treea5a99371a282291cc91204caf57dff6a01544e3d
parentd7e3ae47c441894b11dce376ff8d110780872d0d (diff)
ALSA: pcm: Don't leave PREPARED state after draining
commit 70372a7566b5e552dbe48abdac08c275081d8558 upstream. 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. Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jiri Slaby <jslaby@suse.cz>
-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 c882d07e56c9..d44bc54f142e 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -1404,6 +1404,8 @@ 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: