SND_CTL_FIND_NUMID(9) Control/Mixer API SND_CTL_FIND_NUMID(9)
NAME
snd_ctl_find_numid - find the control instance with the given number-id
SYNOPSIS
struct snd_kcontrol * snd_ctl_find_numid(struct snd_card * card, unsigned int numid);
ARGUMENTS
card
the card instance
numid
the number-id to search
DESCRIPTION
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).
RETURN
The pointer of the instance if found, or NULL if not.
COPYRIGHT
Kernel Hackers Manual 3.10 June 2014 SND_CTL_FIND_NUMID(9)
