snd_ctl_add_vmaster_hook (9) - Linux Manuals
snd_ctl_add_vmaster_hook: Add a hook to a vmaster control
NAME
snd_ctl_add_vmaster_hook - Add a hook to a vmaster control
SYNOPSIS
-
int snd_ctl_add_vmaster_hook(struct snd_kcontrol
* kcontrol, void(* hook)(void private_data);*private_data, int), void *
ARGUMENTS
kcontrol
-
- vmaster kctl element
hook
- the hook function
private_data
- the private_data pointer to be saved
DESCRIPTION
Adds the given hook to the vmaster control element so that it's called at each time when the value is changed.
RETURN
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