In DT based implementation, the DMA channel number need to be parsed as
a property from device tree. So add dma_prop variable in s3c_dma_params
to get the i2s DMA channel number.
Signed-off-by: Padmavathi Venna <padma.v@xxxxxxxxxxx>
---
sound/soc/samsung/dma.c | 1 +
sound/soc/samsung/dma.h | 1 +
2 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/sound/soc/samsung/dma.c b/sound/soc/samsung/dma.c
index f3ebc38..28a7c37 100644
--- a/sound/soc/samsung/dma.c
+++ b/sound/soc/samsung/dma.c
@@ -170,6 +170,7 @@ static int dma_hw_params(struct snd_pcm_substream *substream,
req.cap = (samsung_dma_has_circular() ?
DMA_CYCLIC : DMA_SLAVE);
req.client = prtd->params->client;
+ req.dt_dmach_prop = prtd->params->dma_prop;
config.direction =
(substream->stream == SNDRV_PCM_STREAM_PLAYBACK
? DMA_MEM_TO_DEV : DMA_DEV_TO_MEM);
diff --git a/sound/soc/samsung/dma.h b/sound/soc/samsung/dma.h
index 7d1ead7..2e60415 100644
--- a/sound/soc/samsung/dma.h
+++ b/sound/soc/samsung/dma.h
@@ -19,6 +19,7 @@ struct s3c_dma_params {
int dma_size; /* Size of the DMA transfer */
unsigned ch;
struct samsung_dma_ops *ops;
+ struct property *dma_prop;
};
#endif
--
1.7.4.4
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