[alsa-devel] [PATCH 2/2] ASoC: atmel-pcm: add dma support

[Mark Brown]

On Tue, Nov 20, 2012 at 04:38:18PM +0800, Bo Shen wrote:
> Change xfer_size name to apply to PDC and DMA aswell.
> Specify overrun bit in interrupt mask.
> Add dmaengine specific routines and replace PDC ones in
> pcm_ops if appropriate.
> Uses cyclic DMA API for queuing samples.

If you're using dmaengine you really need a *very* good reason not to
use the core dmaengine support...
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