[alsa-devel] [PATCH 1/2] ASoC: dmaengine_pcm: Reset pointer position when starting a stream

[Lars-Peter Clausen]

From: Mika Westerberg <mika.westerberg at iki.fi>

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

Signed-off-by: Lars-Peter Clausen <lars at metafoo.de>
---
 sound/soc/soc-dmaengine-pcm.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/sound/soc/soc-dmaengine-pcm.c b/sound/soc/soc-dmaengine-pcm.c
index 0526cf8..4420b70 100644
--- 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),
-- 
1.7.9.1