snd_dmaengine_pcm_close_release_chan
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## Name

snd_dmaengine_pcm_close_release_chan — Close a dmaengine based PCM substream and release channel

## Synopsis

`int snd_dmaengine_pcm_close_release_chan (` | struct snd_pcm_substream * substream`)`;

## Arguments

`substream`

  PCM substream

## Description

Releases the DMA channel associated with the PCM substream.

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