[alsa-devel] [PATCH 01/11] dma: imx-sdma: make channel0 operations atomic

Richard Zhao richard.zhao at freescale.com
Fri Apr 27 10:41:10 CEST 2012

On Fri, Apr 27, 2012 at 01:51:40PM +0530, Vinod Koul wrote:
> On Fri, 2012-04-27 at 15:02 +0800, Richard Zhao wrote:
> > device_prep_dma_cyclic may be call in audio trigger function which is
> > atomic context, so we make it atomic too.
> No this is wrong behavior. You should not call dma prepare functions in
> any of the sound trigger calls. It would make sense to move this in
> sound prepare callback.
Then, could you please doc it somewhere? I think I'm not the only one

> -- 
> ~Vinod

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