Find the control instance with the given number-id
struct snd_kcontrol * snd_ctl_find_numid(struct snd_card * 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.
The caller must down card->controls_rwsem before calling this function (if the race condition can happen).
The pointer of the instance if found, or NULL if not.