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: <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
ambv · Feb 23, 2015 · 70372a7 · 70372a7
1 parent dec8431
commit 70372a7
Showing 1 changed file with 2 additions and 0 deletions.
diff --git 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: