---
name: "snd_ctl_find_numid"
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_ctl_find_numid"
---

# snd\_ctl\_find\_numid(9)

find the control instance with the given number-id

## NAME

snd\_ctl\_find\_numid - find the control instance with the given number-id

## SYNOPSIS

**struct snd\_kcontrol \* snd\_ctl\_find\_numid(struct snd\_card \*** *card***, unsigned int** *numid***);**

## ARGUMENTS

*card*

the card instance

*numid*

the number-id to search

## DESCRIPTION

Finds the control instance with the given number-id from the card.

The caller must down card-\>controls\_rwsem before calling this function (if the race condition can happen).

## RETURN

The pointer of the instance if found, or **NULL** if not.

## COPYRIGHT