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ASoC: pxa: use snd_dmaengine_dai_dma_data

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Use snd_dmaengine_dai_dma_data for passing the dma parameters from
clients to the pxa pcm lib. This does no functional change, it's just an
intermedia step to migrate the pxa bits over to dmaengine.

The calculation of dcmd is a transition hack which will be removed again
in a later patch. It's just there to make the transition more readable.

Signed-off-by: Daniel Mack <[email protected]>
Acked-by: Mark Brown <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
This commit is contained in:
Daniel Mack 2013-08-12 10:42:39 +02:00 • committed by Mark Brown
commit d65a14587a
11 changed files with 142 additions and 113 deletions
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7
include/sound/pxa2xx-lib.h
View file

@ -6,13 +6,6 @@
/* PCM */
struct pxa2xx_pcm_dma_params {
char *name; /* stream identifier */
u32 dcmd; /* DMA descriptor dcmd field */
volatile u32 *drcmr; /* the DMA request channel to use */
u32 dev_addr; /* device physical address for DMA */
};
extern int __pxa2xx_pcm_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params);
extern int __pxa2xx_pcm_hw_free(struct snd_pcm_substream *substream);