snd_ctl_add_vmaster_hook (9) - Linux Man Pages

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, 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.

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