---
name: "snd_dmaengine_pcm_close_release_chan"
section: "9"
platform: "linux"
package: "linux-manual-4.9"
version: "4.9.228-1"
release: "Debian 9 (Stretch)"
platforms: ["linux"]
url: "https://new.carta.tech/snd_dmaengine_pcm_close_release_chan"
---

# snd\_dmaengine\_pcm\_close\_release\_chan(9)

Close a dmaengine based PCM substream and release channel

## 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.

## COPYRIGHT