[alsa-devel] [RFC 4/7] ASoC: Add dmaengine PCM helper functions

[Mark Brown]

On Tue, Mar 06, 2012 at 04:38:30PM -0800, Kuninori Morimoto wrote:

> And yes, it doesn't use cyclic dma transfer since I don't know how to use it :)

> I forgot detail, but I used sound/soc/sh/siu_pcm.c and sound/soc/txx9/txx9aclc.c
> as sample code when I created FSI DMAEngine support.

> If ASoC layer supports dmaengine helper functions, I can switch to it by my incremental patch.

OK, great - if the hardware supports cyclic mode then I guess the best
thing is to enable that in dmaengine then switch over to using the new
library once that's merged (unless someone comes along and implements
cyclic emulation support first).
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