snd_ctl_remove (9) Linux Manual Page
snd_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.