snd_ctl_add(9) - phpMan
SND_CTL_ADD(9) Control/Mixer API SND_CTL_ADD(9)
NAME
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.
COPYRIGHT
Kernel Hackers Manual 4.8. January 2017 SND_CTL_ADD(9)
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