snd_ctl_find_numid (9) - Linux Manuals

snd_ctl_find_numid: 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.

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