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authorMika Westerberg <mika.westerberg@iki.fi>2012-03-05 14:02:14 +0100
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-03-12 20:03:22 +0100
commit7a08cf7022b3f6863cff004cf0531f3e44a772ea (patch)
tree5929090a9e0ae91d4409cb0ec9f01824ac502357 /sound
parentASoC: wm8994: Prevent ABBA deadlock with CODEC and accdet mutexes (diff)
downloadlinux-7a08cf7022b3f6863cff004cf0531f3e44a772ea.tar.xz
linux-7a08cf7022b3f6863cff004cf0531f3e44a772ea.zip
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 <mika.westerberg@iki.fi> Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/soc-dmaengine-pcm.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/sound/soc/soc-dmaengine-pcm.c b/sound/soc/soc-dmaengine-pcm.c
index 0526cf82b54f..4420b7030c83 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),