SND_CTL_REMOVE(9) Sound Devices SND_CTL_REMOVE(9)NAMEsnd_ctl_remove - remove the control from the card and release it
SYNOPSIS
int snd_ctl_remove(struct snd_card * card,
struct snd_kcontrol * kcontrol);
ARGUMENTS
card
the card instance
kcontrol
the control instance to remove
DESCRIPTION
Removes the control from the card and then releases the instance. You
don't need to call snd_ctl_free_one. You must be in the write lock -
down_write(card->controls_rwsem).
RETURN
0 if successful, or a negative error code on failure.
COPYRIGHTKernel Hackers Manual 3.11 November 2013 SND_CTL_REMOVE(9)