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authorIan Wisbon <ian.wisbon@timesys.com>2011-02-10 17:15:15 -0500
committerIan Wisbon <ian.wisbon@timesys.com>2011-02-10 17:15:15 -0500
commita9d2ba1444b0af6c2d8534f0b306660ffc045bc6 (patch)
tree79b396bf70ae3795e6ee9a3b645e64f7e29474e7 /sound/soc/mxs/mxs-pcm.c
parenteffff5718c380983788fe6c380671c18e15ac7c2 (diff)
Linux 2.6.31 Release for Digi ConnectCore Wi-i.MX boards2.6.31-digi-201102101717
Diffstat (limited to 'sound/soc/mxs/mxs-pcm.c')
-rw-r--r--sound/soc/mxs/mxs-pcm.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/sound/soc/mxs/mxs-pcm.c b/sound/soc/mxs/mxs-pcm.c
index a9f0358687f4..dac91e3eb8fb 100644
--- a/sound/soc/mxs/mxs-pcm.c
+++ b/sound/soc/mxs/mxs-pcm.c
@@ -141,6 +141,7 @@ static int mxs_pcm_prepare(struct snd_pcm_substream *substream)
/* Link with previous command */
prtd->dma_desc_array[i]->cmd.cmd.bits.bytes = prtd->dma_period;
prtd->dma_desc_array[i]->cmd.cmd.bits.irq = 1;
+ prtd->dma_desc_array[i]->cmd.cmd.bits.dec_sem = 0;
prtd->dma_desc_array[i]->cmd.cmd.bits.chain = 1;
/* Set DMA direction */
if (playback)
@@ -194,6 +195,8 @@ static void mxs_pcm_stop(struct snd_pcm_substream *substream)
prtd->dma_desc_array[(desc + 1)%8]->cmd.cmd.bits.command = NO_DMA_XFER;
mxs_dma_unfreeze(prtd->dma_ch);
+
+ mxs_dma_disable(prtd->dma_ch);
}
static int mxs_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
@@ -375,6 +378,7 @@ static int mxs_pcm_close(struct snd_pcm_substream *substream)
free_irq(prtd->params->irq, substream);
mxs_dma_get_cooked(prtd->dma_ch, &list);
/* Free DMA channel*/
+ mxs_dma_reset(prtd->dma_ch);
for (desc = 0; desc < desc_num; desc++)
mxs_dma_free_desc(prtd->dma_desc_array[desc]);
mxs_dma_release(prtd->dma_ch, mxs_pcm_dev);