ASoC: dmaengine_pcm: Reset pointer position when starting a stream

Otherwise a wrong position will be reported after restarting a stream and the first few samples might be skipped. Signed-off-by: Mika Westerberg <[email protected]> Signed-off-by: Lars-Peter Clausen <[email protected]> Signed-off-by: Mark Brown <[email protected]>
kishon · Mar 12, 2012 · 7a08cf7 · 7a08cf7
1 parent c986564
commit 7a08cf7
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/sound/soc/soc-dmaengine-pcm.c b/sound/soc/soc-dmaengine-pcm.c
@@ -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),