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Merge remote-tracking branch 'asoc/topic/dma' into asoc-next

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This commit is contained in:
Mark Brown 2014-01-02 13:01:52 +00:00
commit 75aac82060
6 changed files with 144 additions and 21 deletions
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10
include/sound/dmaengine_pcm.h
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@ -114,6 +114,10 @@ void snd_dmaengine_pcm_set_config_from_dai_data(
* @compat_filter_fn: Will be used as the filter function when requesting a
* channel for platforms which do not use devicetree. The filter parameter
* will be the DAI's DMA data.
* @dma_dev: If set, request DMA channel on this device rather than the DAI
* device.
* @chan_names: If set, these custom DMA channel names will be requested at
* registration time.
* @pcm_hardware: snd_pcm_hardware struct to be used for the PCM.
* @prealloc_buffer_size: Size of the preallocated audio buffer.
*
@ -130,6 +134,8 @@ struct snd_dmaengine_pcm_config {
struct snd_soc_pcm_runtime *rtd,
struct snd_pcm_substream *substream);
dma_filter_fn compat_filter_fn;
struct device *dma_dev;
const char *chan_names[SNDRV_PCM_STREAM_LAST + 1];
const struct snd_pcm_hardware *pcm_hardware;
unsigned int prealloc_buffer_size;
@ -140,6 +146,10 @@ int snd_dmaengine_pcm_register(struct device *dev,
unsigned int flags);
void snd_dmaengine_pcm_unregister(struct device *dev);
int devm_snd_dmaengine_pcm_register(struct device *dev,
const struct snd_dmaengine_pcm_config *config,
unsigned int flags);
int snd_dmaengine_pcm_prepare_slave_config(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct dma_slave_config *slave_config);