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.

Returns zero if successful, or a negative error code on failure.

It frees automatically the control which cannot be added or replaced.