SND_CTL_REPLACE(9) Control/Mixer API SND_CTL_REPLACE(9)NAMEsnd_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.
Returns zero if successful, or a negative error code on failure.
It frees automatically the control which cannot be added or replaced.
COPYRIGHTKernel Hackers Manual 3.8. June 2014 SND_CTL_REPLACE(9)