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 4.8.                 January 2017                        SND_CTL_REPLACE(9)