snd_ctl_find_id (9) - Linux Manuals
snd_ctl_find_id: find the control instance with the given id
NAME
snd_ctl_find_id - find the control instance with the given id
SYNOPSIS
-
struct snd_kcontrol * snd_ctl_find_id(struct snd_card
* card, struct snd_ctl_elem_id* id);
ARGUMENTS
card
-
- the card instance
id
- the id to search
DESCRIPTION
Finds the control instance with the given 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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