Provided by: linux-doc-2.6.15_2.6.15-23.39_all
snd_ctl_find_numid - find the control instance with the given number-id
snd_kcontrol_t * snd_ctl_find_numid (snd_card_t * card,
unsigned int numid);
card the card instance
numid the number-id to search
Finds the control instance with the given number-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).