Skip to content

Commit

Permalink
Merge remote-tracking branch 'asoc/topic/samsung' into tmp
Browse files Browse the repository at this point in the history
  • Loading branch information
Mark Brown committed Aug 30, 2013
2 parents 52b3a88 + 9b9ae16 commit c85fa50
Show file tree
Hide file tree
Showing 2 changed files with 18 additions and 2 deletions.
13 changes: 11 additions & 2 deletions arch/arm/plat-samsung/s3c-dma-ops.c
Original file line number Diff line number Diff line change
Expand Up @@ -82,7 +82,8 @@ static int s3c_dma_config(unsigned ch, struct samsung_dma_config *param)
static int s3c_dma_prepare(unsigned ch, struct samsung_dma_prep *param)
{
struct cb_data *data;
int len = (param->cap == DMA_CYCLIC) ? param->period : param->len;
dma_addr_t pos = param->buf;
dma_addr_t end = param->buf + param->len;

list_for_each_entry(data, &dma_list, node)
if (data->ch == ch)
Expand All @@ -94,7 +95,15 @@ static int s3c_dma_prepare(unsigned ch, struct samsung_dma_prep *param)
data->fp_param = param->fp_param;
}

s3c2410_dma_enqueue(ch, (void *)data, param->buf, len);
if (param->cap != DMA_CYCLIC) {
s3c2410_dma_enqueue(ch, (void *)data, param->buf, param->len);
return 0;
}

while (pos < end) {
s3c2410_dma_enqueue(ch, (void *)data, pos, param->period);
pos += param->period;
}

return 0;
}
Expand Down
7 changes: 7 additions & 0 deletions sound/soc/samsung/dma.c
Original file line number Diff line number Diff line change
Expand Up @@ -90,6 +90,13 @@ static void dma_enqueue(struct snd_pcm_substream *substream)
dma_info.period = prtd->dma_period;
dma_info.len = prtd->dma_period*limit;

if (dma_info.cap == DMA_CYCLIC) {
dma_info.buf = pos;
prtd->params->ops->prepare(prtd->params->ch, &dma_info);
prtd->dma_loaded += limit;
return;
}

while (prtd->dma_loaded < limit) {
pr_debug("dma_loaded: %d\n", prtd->dma_loaded);

Expand Down

0 comments on commit c85fa50

Please sign in to comment.