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Diffstat (limited to 'sound/soc/samsung/dmaengine.c')
-rw-r--r--sound/soc/samsung/dmaengine.c31
1 files changed, 20 insertions, 11 deletions
diff --git a/sound/soc/samsung/dmaengine.c b/sound/soc/samsung/dmaengine.c
index 063125937311..2c87f380bfc4 100644
--- a/sound/soc/samsung/dmaengine.c
+++ b/sound/soc/samsung/dmaengine.c
@@ -28,10 +28,6 @@
#include "dma.h"
-static struct snd_dmaengine_pcm_config samsung_dmaengine_pcm_config = {
- .prepare_slave_config = snd_dmaengine_pcm_prepare_slave_config,
-};
-
void samsung_asoc_init_dma_data(struct snd_soc_dai *dai,
struct s3c_dma_params *playback,
struct s3c_dma_params *capture)
@@ -58,15 +54,28 @@ void samsung_asoc_init_dma_data(struct snd_soc_dai *dai,
}
EXPORT_SYMBOL_GPL(samsung_asoc_init_dma_data);
-int samsung_asoc_dma_platform_register(struct device *dev,
- dma_filter_fn filter)
+int samsung_asoc_dma_platform_register(struct device *dev, dma_filter_fn filter,
+ const char *tx, const char *rx)
{
- samsung_dmaengine_pcm_config.compat_filter_fn = filter;
+ unsigned int flags = SND_DMAENGINE_PCM_FLAG_COMPAT;
+
+ struct snd_dmaengine_pcm_config *pcm_conf;
+
+ pcm_conf = devm_kzalloc(dev, sizeof(*pcm_conf), GFP_KERNEL);
+ if (!pcm_conf)
+ return -ENOMEM;
+
+ pcm_conf->prepare_slave_config = snd_dmaengine_pcm_prepare_slave_config;
+ pcm_conf->compat_filter_fn = filter;
+
+ if (dev->of_node) {
+ pcm_conf->chan_names[SNDRV_PCM_STREAM_PLAYBACK] = tx;
+ pcm_conf->chan_names[SNDRV_PCM_STREAM_CAPTURE] = rx;
+ } else {
+ flags |= SND_DMAENGINE_PCM_FLAG_CUSTOM_CHANNEL_NAME;
+ }
- return devm_snd_dmaengine_pcm_register(dev,
- &samsung_dmaengine_pcm_config,
- SND_DMAENGINE_PCM_FLAG_CUSTOM_CHANNEL_NAME |
- SND_DMAENGINE_PCM_FLAG_COMPAT);
+ return devm_snd_dmaengine_pcm_register(dev, pcm_conf, flags);
}
EXPORT_SYMBOL_GPL(samsung_asoc_dma_platform_register);