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authorTakashi Iwai <tiwai@suse.de>2013-08-30 12:35:49 +0200
committerTakashi Iwai <tiwai@suse.de>2013-08-30 12:35:49 +0200
commit3fd8a8041b3775840c8f85b6338b61beb5057160 (patch)
tree2eb4fd3eae3168ae2837c4f98188fd25f62d5939 /arch/arm/plat-samsung/s3c-dma-ops.c
parentALSA: hda - Simplify CONFIG_SND_HDA_I915 condition (diff)
parentMerge remote-tracking branch 'asoc/topic/wm8904' into tmp (diff)
downloadlinux-3fd8a8041b3775840c8f85b6338b61beb5057160.tar.xz
linux-3fd8a8041b3775840c8f85b6338b61beb5057160.zip
Merge tag 'asoc-v3.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-next
ASoC: Updates for v3.12 A few more updates for v3.12, mostly small cleanups plus the addition of the DT bindings for kirkwood and the new i.MX S/PDIF driver.
Diffstat (limited to 'arch/arm/plat-samsung/s3c-dma-ops.c')
-rw-r--r--arch/arm/plat-samsung/s3c-dma-ops.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/arch/arm/plat-samsung/s3c-dma-ops.c b/arch/arm/plat-samsung/s3c-dma-ops.c
index 0cc40aea3f5a..98b10ba67dc7 100644
--- a/arch/arm/plat-samsung/s3c-dma-ops.c
+++ b/arch/arm/plat-samsung/s3c-dma-ops.c
@@ -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)
@@ -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;
}