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

Mark Brown broonie at opensource.wolfsonmicro.com
Wed Feb 22 14:30:37 CET 2012

On Wed, Feb 22, 2012 at 07:00:09PM +0530, Vinod Koul wrote:
> On Wed, 2012-02-22 at 13:21 +0000, Mark Brown wrote:

> > For the non-cyclic DMAs the idea of emulating at the dmaengine layer
> > does seem very sensible but if that's hard then having the code at the
> > ASoC level and pushing it down later seems fine.  We do have several
> > platforms with non-cyclic DMA so it's a general need.

> I think this should be pushed to dmaengine rather than in ASoC. That way
> ASoC can always request circular and we emulate the behavior in
> dmaengine for dmacs who don't support this

That's what I just said.  I'm just saying that if for some reason it's
going to be difficult to implement I don't mind carrying code at the
ASoC layer while that work is done.
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