---
name: "snd_pcm_stream_unlock"
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_pcm_stream_unlock"
---

# snd\_pcm\_stream\_unlock(9)

Unlock the PCM stream

## NAME

snd\_pcm\_stream\_unlock - Unlock the PCM stream

## SYNOPSIS

**void snd\_pcm\_stream\_unlock(struct snd\_pcm\_substream \*** *substream***);**

## ARGUMENTS

*substream*

PCM substream

## DESCRIPTION

This unlocks the PCM stream that has been locked via **snd\_pcm\_stream\_lock**.

## COPYRIGHT