@@ -17,5 +17,6 @@
* otherwise actual DMA channel names must be passed to this function.
*/
int samsung_asoc_dma_platform_register(struct device *dev, dma_filter_fn filter,
- const char *tx, const char *rx);
+ const char *tx, const char *rx,
+ struct device *dma_dev);
#endif /* _SAMSUNG_DMA_H */
@@ -25,7 +25,8 @@
#include "dma.h"
int samsung_asoc_dma_platform_register(struct device *dev, dma_filter_fn filter,
- const char *tx, const char *rx)
+ const char *tx, const char *rx,
+ struct device *dma_dev)
{
unsigned int flags = SND_DMAENGINE_PCM_FLAG_COMPAT;
struct snd_dmaengine_pcm_config *pcm_conf;
@@ -36,6 +37,7 @@ int samsung_asoc_dma_platform_register(struct device *dev, dma_filter_fn filter,
pcm_conf->prepare_slave_config = snd_dmaengine_pcm_prepare_slave_config;
pcm_conf->compat_filter_fn = filter;
+ pcm_conf->dma_dev = dma_dev;
if (dev->of_node) {
pcm_conf->chan_names[SNDRV_PCM_STREAM_PLAYBACK] = tx;
@@ -1345,7 +1345,7 @@ static int samsung_i2s_probe(struct platform_device *pdev)
pri_dai->i2s_dai_drv.playback.channels_max = 6;
ret = samsung_asoc_dma_platform_register(&pdev->dev, pri_dai->filter,
- NULL, NULL);
+ NULL, NULL, NULL);
if (ret < 0)
goto err_disable_clk;
@@ -1382,7 +1382,7 @@ static int samsung_i2s_probe(struct platform_device *pdev)
pri_dai->sec_dai = sec_dai;
ret = samsung_asoc_dma_platform_register(&pdev->dev,
- sec_dai->filter, "tx-sec", NULL);
+ sec_dai->filter, "tx-sec", NULL, NULL);
if (ret < 0)
goto err_disable_clk;
@@ -553,7 +553,7 @@ static int s3c_pcm_dev_probe(struct platform_device *pdev)
pcm->dma_playback = &s3c_pcm_stereo_out[pdev->id];
ret = samsung_asoc_dma_platform_register(&pdev->dev, filter,
- NULL, NULL);
+ NULL, NULL, NULL);
if (ret) {
dev_err(&pdev->dev, "failed to get register DMA: %d\n", ret);
goto err_dis_pclk;
@@ -177,7 +177,7 @@ static int s3c2412_iis_dev_probe(struct platform_device *pdev)
ret = samsung_asoc_dma_platform_register(&pdev->dev,
pdata->dma_filter,
- NULL, NULL);
+ NULL, NULL, NULL);
if (ret) {
pr_err("failed to register the DMA: %d\n", ret);
return ret;
@@ -446,7 +446,7 @@ static int s3c24xx_iis_dev_probe(struct platform_device *pdev)
s3c24xx_i2s_pcm_stereo_in.addr = res->start + S3C2410_IISFIFO;
ret = samsung_asoc_dma_platform_register(&pdev->dev, NULL,
- NULL, NULL);
+ NULL, NULL, NULL);
if (ret) {
dev_err(&pdev->dev, "Failed to register the DMA: %d\n", ret);
return ret;
@@ -430,7 +430,7 @@ static int spdif_probe(struct platform_device *pdev)
spdif->dma_playback = &spdif_stereo_out;
ret = samsung_asoc_dma_platform_register(&pdev->dev, filter,
- NULL, NULL);
+ NULL, NULL, NULL);
if (ret) {
dev_err(&pdev->dev, "failed to register DMA: %d\n", ret);
goto err4;
The additional function argument will allow to select proper DMA device for requesting DMA channel for the secondary CPU DAI. Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> --- sound/soc/samsung/dma.h | 3 ++- sound/soc/samsung/dmaengine.c | 4 +++- sound/soc/samsung/i2s.c | 4 ++-- sound/soc/samsung/pcm.c | 2 +- sound/soc/samsung/s3c2412-i2s.c | 2 +- sound/soc/samsung/s3c24xx-i2s.c | 2 +- sound/soc/samsung/spdif.c | 2 +- 7 files changed, 11 insertions(+), 8 deletions(-)