1.\" 2.\" Copyright (c) 2004 Philip Paeps <philip@FreeBSD.org> 3.\" All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright 9.\" notice, this list of conditions and the following disclaimer. 10.\" 2. Redistributions in binary form must reproduce the above copyright 11.\" notice, this list of conditions and the following disclaimer in the 12.\" documentation and/or other materials provided with the distribution. 13.\" 14.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24.\" SUCH DAMAGE. 25.\" 26.\" $FreeBSD$ 27.\" 28.Dd February 8, 2010 29.Dt ACPI_ASUS 4 30.Os 31.Sh NAME 32.Nm acpi_asus 33.Nd Asus Laptop Extras 34.Sh SYNOPSIS 35To compile this driver into the kernel, 36place the following line in your 37kernel configuration file: 38.Bd -ragged -offset indent 39.Cd "device acpi_asus" 40.Ed 41.Pp 42Alternatively, to load the driver as a 43module at boot time, place the following line in 44.Xr loader.conf 5 : 45.Bd -literal -offset indent 46acpi_asus_load="YES" 47.Ed 48.Sh DESCRIPTION 49The 50.Nm 51driver provides support for the extra ACPI-controlled gadgets, such as hotkeys 52and leds, found on recent Asus (and Medion) laptops. 53It allows one to use the 54.Xr sysctl 8 55interface to manipulate the brightness of the LCD panel and the display output 56state. 57Hotkey events are passed to 58.Xr devd 8 59for easy handling in userspace with the default configuration in 60.Pa /etc/devd/asus.conf . 61.Pp 62Currently, the following Asus laptops are fully supported: 63.Pp 64.Bl -item -offset indent -compact 65.It 66xxN 67.It 68A1x 69.It 70A2x 71.It 72A3N 73.It 74A4D 75.It 76A6VM 77.It 78D1x 79.It 80J1x 81.It 82L2B 83.It 84L2D 85.It 86L2E 87.It 88L3C 89.It 90L3D 91.It 92L3H 93.It 94L4E 95.It 96L4R 97.It 98L5x 99.It 100L8x 101.It 102M1A 103.It 104M2E 105.It 106M6N 107.It 108M6R 109.It 110S1x 111.It 112S2x 113.It 114V6V 115.It 116W5A 117.It 118Eee PC 119.El 120.Pp 121Additionally, 122.Nm 123also supports the Asus-compatible 124.Em ATK0100 125interface found in 126.Em Samsung P30/P35 127laptops. 128.Sh SYSCTL VARIABLES 129The following sysctls are currently implemented: 130.Bl -tag -width indent 131.It Va hw.acpi.asus.lcd_brightness 132Makes the LCD backlight brighter or dimmer (higher values are brighter). 133.It Va hw.acpi.asus.lcd_backlight 134Turns the LCD backlight on or off. 135.It Va hw.acpi.asus.video_output 136Sets the active display to use according to a bitwise OR of the following: 137.Pp 138.Bl -tag -width indent -compact 139.It Li 0 140No display 141.It Li 1 142LCD 143.It Li 2 144CRT 145.It Li 4 146TV-Out 147.El 148.Pp 149Some models also support video switching via the generic 150.Xr acpi_video 4 151driver. 152Most models do not, however. 153.El 154.Pp 155Defaults for these variables can be set in 156.Xr sysctl.conf 5 , 157which is parsed at boot-time. 158.Sh SEE ALSO 159.Xr acpi 4 , 160.Xr acpi_asus_wmi 4 , 161.Xr acpi_video 4 , 162.Xr sysctl.conf 5 , 163.Xr sysctl 8 164.Rs 165.%T The acpi4asus Project 166.%U http://sourceforge.net/projects/acpi4asus/ 167.Re 168.Sh HISTORY 169The 170.Nm 171driver first appeared in 172.Fx 5.3 . 173.Sh AUTHORS 174.An -nosplit 175The 176.Nm 177driver and this manual page were written by 178.An Philip Paeps Aq Mt philip@FreeBSD.org . 179.Pp 180Inspiration came from the 181.Em acpi4asus project 182started by 183.An Julien Lerouge 184which maintains a driver implementing this 185functionality in the 186.Tn Linux 187kernel. 188