[alsa-devel] [PATCH v1 2/5] ASoC: mmp: add audio dma support

Vinod Koul vinod.koul at linux.intel.com
Thu Jun 7 06:05:47 EDT 2012


On Thu, 2012-06-07 at 17:59 +0800, zhangfei gao wrote:
> On Thu, Jun 7, 2012 at 5:24 PM, Vinod Koul <vinod.koul at linux.intel.com> wrote:
> > On Mon, 2012-06-04 at 14:37 +0800, Zhangfei Gao wrote:
> >> mmp-pcm handle audio dma based on soc-dmaengine
> >> Support mmp and pxa910
> > See soc-dmaengine.c. You sneed to use the library to use dmaengine.
> >
> 
> Thanks Vinod for kind review.
> 
> Some confusion, only find sound/soc/soc-dmaengine-pcm.c.
> So the driver base on the library, snd_dmaengine_pcm_open/close etc.
> Replacing dma_request_channel etc.
> 
> Is it right direction?
Yes your driver should use it. See examples in other soc drivers


-- 
~Vinod




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