[alsa-devel] [PATCH 5/9] ALSA: compres: wakeup the poll thread on pause

[Vinod Koul]

this allows the poll to be unblocked, if it is blocked and yeilds the control
of userthread blocked

Signed-off-by: Vinod Koul <vinod.koul at intel.com>
---
 sound/core/compress_offload.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/sound/core/compress_offload.c b/sound/core/compress_offload.c
index 1e722c2..417a456 100644
--- a/sound/core/compress_offload.c
+++ b/sound/core/compress_offload.c
@@ -629,9 +629,12 @@ static int snd_compr_pause(struct snd_compr_stream *stream)
 
 	if (stream->runtime->state != SNDRV_PCM_STATE_RUNNING)
 		return -EPERM;
+
 	retval = stream->ops->trigger(stream, SNDRV_PCM_TRIGGER_PAUSE_PUSH);
-	if (!retval)
+	if (!retval) {
 		stream->runtime->state = SNDRV_PCM_STATE_PAUSED;
+		wake_up(&stream->runtime->sleep);
+	}
 	return retval;
 }
 
-- 
1.7.0.4