'\" t
.\"     Title: snd_ctl_add_vmaster_hook
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: January 2017
.\"    Manual: Control/Mixer API
.\"    Source: Kernel Hackers Manual 4.8.15
.\"  Language: English
.\"
.TH "SND_CTL_ADD_VMASTER_" "9" "January 2017" "Kernel Hackers Manual 4\&.8\&." "Control/Mixer API"
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.SH "NAME"
snd_ctl_add_vmaster_hook \- Add a hook to a vmaster control
.SH "SYNOPSIS"
.HP \w'int\ snd_ctl_add_vmaster_hook('u
.BI "int snd_ctl_add_vmaster_hook(struct\ snd_kcontrol\ *\ " "kcontrol" ", void\ (*" "hook" ")\ (void\ *private_data,\ int), void\ *\ " "private_data" ");"
.SH "ARGUMENTS"
.PP
\fIkcontrol\fR
.RS 4
vmaster kctl element
.RE
.PP
\fIhook\fR
.RS 4
the hook function
.RE
.PP
\fIprivate_data\fR
.RS 4
the private_data pointer to be saved
.RE
.SH "DESCRIPTION"
.PP
Adds the given hook to the vmaster control element so that it\*(Aqs called at each time when the value is changed\&.
.SH "RETURN"
.PP
Zero\&.
.SH "COPYRIGHT"
.br