---
name: "snd_pcm_chmap_substream"
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_chmap_substream"
---

# snd\_pcm\_chmap\_substream(9)

get the PCM substream assigned to the given chmap info

## NAME

snd\_pcm\_chmap\_substream - get the PCM substream assigned to the given chmap info

## SYNOPSIS

**struct snd\_pcm\_substream \* snd\_pcm\_chmap\_substream(struct snd\_pcm\_chmap \*** *info***, unsigned int** *idx***);**

## ARGUMENTS

*info*

chmap information

*idx*

the substream number index

## COPYRIGHT