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ASoC: dmaengine_pcm: document process callback 

Add missing description of process callback.

Fixes: 78648092ef ("ASoC: dmaengine_pcm: add processing support")
Signed-off-by: Olivier Moysan <olivier.moysan@st.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Olivier Moysan 2018-03-13 17:27:08 +01:00 committed by Mark Brown
parent b84acf44d5
commit 2e78a5562e
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include/sound/dmaengine_pcm.h
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@ -118,6 +118,8 @@ void snd_dmaengine_pcm_set_config_from_dai_data(
* PCM substream. Will be called from the PCM drivers hwparams callback.
* @compat_request_channel: Callback to request a DMA channel for platforms
* which do not use devicetree.
* @process: Callback used to apply processing on samples transferred from/to
* user space.
* @compat_filter_fn: Will be used as the filter function when requesting a
* channel for platforms which do not use devicetree. The filter parameter
* will be the DAI's DMA data.