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ASoC: samsung: dmaengine: Allow to specify custom DMA device

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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>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Sylwester Nawrocki 2019-02-07 18:00:11 +01:00 committed by Mark Brown
parent 10cbf3507b
commit 96f06cde2c
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
7 changed files with 11 additions and 8 deletions
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3
sound/soc/samsung/dma.h
View File

@ -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 */

4
sound/soc/samsung/dmaengine.c
View File

@ -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;

4
sound/soc/samsung/i2s.c
View File

@ -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;

2
sound/soc/samsung/pcm.c
View File

@ -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;

2
sound/soc/samsung/s3c2412-i2s.c
View File

@ -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;

2
sound/soc/samsung/s3c24xx-i2s.c
View File

@ -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;

2
sound/soc/samsung/spdif.c
View File

@ -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;