[alsa-devel] [PATCH 13/14] ASoC: mxs: Embed the mxs_dma_data struct in the mxs_pcm_dma_params struct

Shawn Guo shawn.guo at linaro.org
Mon Mar 25 03:04:33 CET 2013

On Fri, Mar 22, 2013 at 02:12:13PM +0100, Lars-Peter Clausen wrote:
> Currently the mxs_dma_data struct, which gets passed to the dmaengine driver, is
> allocated in the pcm driver's open callback. The mxs_dma_data struct has exactly
> one field which is initialized from the the same field in the mxs_pcm_dma_params
> struct. The mxs_pcm_dma_params struct gets passed to the pcm driver from the dai
> driver. Instead of taking this indirection embed the mxs_dma_data struct
> directly in the mxs_pcm_dma_params struct. This allows us to simplify the pcm
> driver quite a bit, since we don't have to care about memory managing the
> mxs_dma_data struct anymore.
> Signed-off-by: Lars-Peter Clausen <lars at metafoo.de>
> Cc: Shawn Guo <shawn.guo at linaro.org>

Tested-by: Shawn Guo <shawn.guo at linaro.org>

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