---
name: "snd_pcm_stream_lock_irq"
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_lock_irq"
---

# snd\_pcm\_stream\_lock\_irq(9)

Lock the PCM stream

## NAME

snd\_pcm\_stream\_lock\_irq - Lock the PCM stream

## SYNOPSIS

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

## ARGUMENTS

*substream*

PCM substream

## DESCRIPTION

This locks the PCM stream like **snd\_pcm\_stream\_lock** and disables the local IRQ (only when nonatomic is false). In nonatomic case, this is identical as **snd\_pcm\_stream\_lock**.

## COPYRIGHT