[alsa-devel] [PATCH 10/13] ASoC: AMD: add ACP 2.x IP DMA abstraction layer

[Mark Brown]

On Fri, Dec 04, 2015 at 06:40:37PM -0500, Alex Deucher wrote:

> ACP IP has internal DMA controller with multiple channels which
> can be programmed in cyclic/non cyclic manner. ACP can generate
> interrupt upon completion of DMA transfer, if required.

Why is this separate to the actual driver - what's the abstraction here?
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