Name
snd_ctl_find_id —
find the control instance with the given id
Synopsis
snd_kcontrol_t * snd_ctl_find_id ( | snd_card_t * | card, |
| snd_ctl_elem_id_t * | id) ; |
Arguments
card
the card instance
id
the id to search
Description
Finds the control instance with the given id from the card.
Returns the pointer of the instance if found, or NULL if not.
The caller must down card->controls_rwsem before calling this function
(if the race condition can happen).