SND_CTL_ADD_VMASTER_(9)                 Control/Mixer API                 SND_CTL_ADD_VMASTER_(9)



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, int), void * private_data);

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
       Zero.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                   SND_CTL_ADD_VMASTER_(9)