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| author | Jarkko Nikula <jarkko.nikula@linux.intel.com> | 2014-05-26 17:56:30 +0400 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2014-06-01 14:50:45 +0400 |
| commit | 58dcc48816ad1db8d2e33ddf659c2bda64f645c4 (patch) | |
| tree | 043ea2758aa7491f6ecc5fdd085201fa4ff0b985 /sound | |
| parent | 9cf0e4520d45d5425f3a5257d346e3310e1a63b4 (diff) | |
| download | linux-58dcc48816ad1db8d2e33ddf659c2bda64f645c4.tar.xz | |
ASoC: Intel: Clear stored Baytrail DSP DMA pointer before stream start
Stored DSP DMA pointer must be cleared before starting the stream since
PCM pointer callback sst_byt_pcm_pointer() can be called before pointer is
updated. In that case last position of previous stream was wronly returned.
Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/intel/sst-baytrail-pcm.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sound/soc/intel/sst-baytrail-pcm.c b/sound/soc/intel/sst-baytrail-pcm.c index 3af38576e91e..8eab97368ea7 100644 --- a/sound/soc/intel/sst-baytrail-pcm.c +++ b/sound/soc/intel/sst-baytrail-pcm.c @@ -180,6 +180,7 @@ static int sst_byt_pcm_trigger(struct snd_pcm_substream *substream, int cmd) switch (cmd) { case SNDRV_PCM_TRIGGER_START: + pcm_data->hw_ptr = 0; sst_byt_stream_start(byt, pcm_data->stream, 0); break; case SNDRV_PCM_TRIGGER_RESUME: |