.\" $NetBSD: valz.4,v 1.2 2015/10/14 08:32:24 wiz Exp $
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.Dd October 12, 2015
.Dt VALZ 4
.Os
.Sh NAME
.Nm valz
.Nd Toshiba Programmable I/O controller for Dynabook series
.Sh SYNOPSIS
.Cd "valz* at acpi?"
.Sh DESCRIPTION
Toshiba Dynabook series computers provide HCI/SCI I/O controllers
that handle various interface devices.
This special I/O controller is accessed by the
.Dq GHCI
ACPI method.
The
.Nm
driver provides some support for it.
.Pp
The
.Nm
driver handles the following hot-keys:
.Pp
.Bl -tag -compact -offset indent -width "Fn+Tab"
.It Fn+F9
Toggle internal touchpad and trackpoint.
.It Fn+Tab
Toggle LCD backlight.
.El
.Pp
The
.Nm
driver has only been tested on the Dynabook R63/PS and some Dynabook
models from 2013 or later.
.Sh SEE ALSO
.Xr acpi 4 ,
.Xr vald 4
.Sh HISTORY
The
.Nm
driver appeared in
.Nx 8.0 .
.Sh BUGS
Not all HCI/SCI functions are implemented.