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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

May 2018 Kernel Hackers Manual 3.16