[alsa-devel] [PATCH] ASoC: soc-compress: Cancel delayed power down if needed

[Charles Keepax]

When a new stream is being opened it is necessary to cancel any delayed
power down of the audio.

Signed-off-by: Charles Keepax <ckeepax at opensource.wolfsonmicro.com>
---
 sound/soc/soc-compress.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/sound/soc/soc-compress.c b/sound/soc/soc-compress.c
index f9fb112..eb8191b 100644
--- a/sound/soc/soc-compress.c
+++ b/sound/soc/soc-compress.c
@@ -194,6 +194,7 @@ static int soc_compr_set_params(struct snd_compr_stream *cstream,
 {
 	struct snd_soc_pcm_runtime *rtd = cstream->private_data;
 	struct snd_soc_platform *platform = rtd->platform;
+	struct snd_soc_dai *codec_dai = rtd->codec_dai;
 	int ret = 0;
 
 	mutex_lock_nested(&rtd->pcm_mutex, rtd->pcm_subclass);
@@ -216,6 +217,12 @@ static int soc_compr_set_params(struct snd_compr_stream *cstream,
 			goto out;
 	}
 
+	/* cancel any delayed stream shutdown that is pending */
+	if (codec_dai->pop_wait) {
+		codec_dai->pop_wait = 0;
+		cancel_delayed_work(&rtd->delayed_work);
+	}
+
 	snd_soc_dapm_stream_event(rtd, SNDRV_PCM_STREAM_PLAYBACK,
 				SND_SOC_DAPM_STREAM_START);
 
-- 
1.7.2.5