SND_CTL_REPLACE(9) Control/Mixer API SND_CTL_REPLACE(9)
NAME
snd_ctl_replace - replace the control instance of the card
SYNOPSIS
int snd_ctl_replace(struct snd_card * card, struct snd_kcontrol * kcontrol, bool add_on_replace);
ARGUMENTS
card
the card instance
kcontrol
the control instance to replace
add_on_replace
add the control if not already added
DESCRIPTION
Replaces the given control. If the given control does not exist and the add_on_replace flag is set, the control is added. If the control
exists, it is destroyed first.
It frees automatically the control which cannot be added or replaced.
RETURN
Zero if successful, or a negative error code on failure.
COPYRIGHT
Kernel Hackers Manual 3.10 June 2014 SND_CTL_REPLACE(9)
