centos man page for snd_ctl_replace

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)