From: Cheng-Yi Chiang <cychiang@chromium.org>
To: linux-arm-kernel@lists.infradead.org
Cc: Liam Girdwood <lgirdwood@gmail.com>,
Mark Brown <broonie@kernel.org>, Jaroslav Kysela <perex@perex.cz>,
Takashi Iwai <tiwai@suse.com>,
"U . Artie Eoff" <ullysses.a.eoff@intel.com>,
alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org
Subject: [PATCH] ASoC: Intel: Reset hw_ptr on resume trigger
Date: Fri, 28 Jul 2017 16:42:06 +0800 [thread overview]
Message-ID: <20170728084206.4431-1-cychiang@chromium.org> (raw)
From: "U. Artie Eoff" <ullysses.a.eoff@intel.com>
Reset the hw_ptr before queuing the restore_stream_context
work to eradicate a nasty white audio noise on resume.
Signed-off-by: U. Artie Eoff <ullysses.a.eoff@intel.com>
---
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;
schedule_work(&pcm_data->work);
+ }
else
sst_byt_stream_resume(byt, pcm_data->stream);
break;
--
2.12.2
next reply other threads:[~2017-07-28 8:42 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-28 8:42 Cheng-Yi Chiang [this message]
2017-07-28 12:46 ` [PATCH] ASoC: Intel: Reset hw_ptr on resume trigger Mark Brown
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