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.