On 2017年08月01日 11:30, Vinod Koul wrote:
On Mon, Jul 31, 2017 at 06:47:34PM +0800, Cheng-Yi Chiang wrote:
From: "U. Artie Eoff" <ullysses.a.eoff@xxxxxxxxx>
Reset the hw_ptr before queuing the restore_stream_context
work to eradicate a nasty white audio noise on resume.
Liam, Jie? This on legacy BYT driver..
Tested-by: Cheng-Yi Chiang <cychiang@xxxxxxxxxxxx>
Signed-off-by: U. Artie Eoff <ullysses.a.eoff@xxxxxxxxx>
Signed-off-by: Cheng-Yi Chiang <cychiang@xxxxxxxxxxxx>
---
sound/soc/intel/baytrail/sst-baytrail-pcm.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/sound/soc/intel/baytrail/sst-baytrail-pcm.c b/sound/soc/intel/baytrail/sst-baytrail-pcm.c
index 4765ad474544..e0db7070cd42 100644
--- a/sound/soc/intel/baytrail/sst-baytrail-pcm.c
+++ b/sound/soc/intel/baytrail/sst-baytrail-pcm.c
@@ -187,8 +187,10 @@ static int sst_byt_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
sst_byt_stream_start(byt, pcm_data->stream, 0);
break;
case SNDRV_PCM_TRIGGER_RESUME:
- if (pdata->restore_stream == true)
+ if (pdata->restore_stream == true) {
+ pcm_data->hw_ptr = 0;
Won't this break the hw_ptr and make the resuming won't play from the
pausing point of the last suspending?
Thanks,
~Keyon
schedule_work(&pcm_data->work);
+ }
else
sst_byt_stream_resume(byt, pcm_data->stream);
break;
--
2.12.2
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