snd_ctl_add (9) Linux Manual Page
snd_ctl_add – add the control instance to the card
Synopsis
int snd_ctl_add(struct snd_card *card, struct snd_kcontrol *kcontrol);Arguments
card
-
- the card instance
kcontrol
- the control instance to add
Description
Adds the control instance created via snd_ctl_new or snd_ctl_new1 to the given card. Assigns also an unique numid used for fast search.
It frees automatically the control which cannot be added.
Return
Zero if successful, or a negative error code on failure.