1.\" $NetBSD: vald.4,v 1.1 2010/04/10 17:55:25 jruoho Exp $ 2.\" 3.\" Copyright (c) 2004 The NetBSD Foundation, Inc. 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 15.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 16.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 17.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 18.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 19.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 20.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 21.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 24.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25.\" POSSIBILITY OF SUCH DAMAGE. 26.\" 27.Dd January 25, 2008 28.Dt VALD 4 i386 29.Os 30.Sh NAME 31.Nm vald 32.Nd Toshiba Programmable I/O controller 33.Sh SYNOPSIS 34.Cd "vald* at acpi?" 35.Sh DESCRIPTION 36Some Toshiba computers have a special I/O controller that handles various 37interface devices. 38This special I/O controller is accessed by the 39.Dq GHCI 40ACPI method. 41The 42.Nm 43driver provides some support for it. 44.Pp 45The 46.Nm 47driver handles the following hot-keys: 48.Pp 49.Bl -tag -compact -offset indent -width "Fn+F5" 50.It Fn+F5 51Switch between LCD and External Video output. 52.It Fn+F6 53Decrease LCD brightness. 54.It Fn+F7 55Increase LCD brightness. 56.It Fn+F8 57Switch fan (ON/OFF). 58.El 59.Pp 60The 61.Nm 62driver has only been tested on the Libretto L3 and on the Portege 3440. 63.Sh SEE ALSO 64.Xr acpi 4 65.Sh HISTORY 66The 67.Nm 68driver appeared in 69.Nx 1.6 . 70.Sh BUGS 71.Nm 72may have problems with X11 when switching between LCD 73and External Video output. 74