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ASoC: dmaengine_pcm: Reset pointer position when starting a stream

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Otherwise a wrong position will be reported after restarting a stream and the
first few samples might be skipped.

Signed-off-by: Mika Westerberg <mika.westerberg@iki.fi>
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Mika Westerberg 2012-03-05 14:02:14 +01:00 committed by Mark Brown
parent c986564b31
commit 7a08cf7022
1 changed files with 1 additions and 0 deletions
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sound/soc/soc-dmaengine-pcm.c
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@ -142,6 +142,7 @@ static int dmaengine_pcm_prepare_and_submit(struct snd_pcm_substream *substream)
direction = snd_pcm_substream_to_dma_direction(substream);
prtd->pos = 0;
desc = chan->device->device_prep_dma_cyclic(chan,
substream->runtime->dma_addr,
snd_pcm_lib_buffer_bytes(substream),