diff options
author | philip <philip@FreeBSD.org> | 2004-04-22 21:29:02 +0000 |
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committer | philip <philip@FreeBSD.org> | 2004-04-22 21:29:02 +0000 |
commit | 46d76e027dd2c0f7e79a102023f0f203a80517e7 (patch) | |
tree | d44d99c44aeba1bd455e2300dba12efd3f554bab /share/man/man4/man4.i386/acpi_asus.4 | |
parent | cbd248f2b7c3a0457219d93b3fb1d56a50f9a4a5 (diff) | |
download | FreeBSD-src-46d76e027dd2c0f7e79a102023f0f203a80517e7.zip FreeBSD-src-46d76e027dd2c0f7e79a102023f0f203a80517e7.tar.gz |
Add the ACPI Asus extras driver. Provides support for cool ACPI-controled
gadgets (hotkeys, lcd, ...) on Asus laptops. I aim to closely track the
acpi4asus project which implements these features in the Linux kernel.
If this breaks your laptop, please let me know how it does it :-)
Approved by: njl (mentor)
Diffstat (limited to 'share/man/man4/man4.i386/acpi_asus.4')
-rw-r--r-- | share/man/man4/man4.i386/acpi_asus.4 | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/share/man/man4/man4.i386/acpi_asus.4 b/share/man/man4/man4.i386/acpi_asus.4 new file mode 100644 index 0000000..7a96948 --- /dev/null +++ b/share/man/man4/man4.i386/acpi_asus.4 @@ -0,0 +1,114 @@ +.\" +.\" Copyright (c) 2004 Philip Paeps <philip@FreeBSD.org> +.\" All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" $FreeBSD$ +.\" +.Dd April 22, 2004 +.Dt ACPI_ASUS 4 i386 +.Os +.Sh NAME +.Nm acpi_asus +.Nd Asus Laptop Extras +.Sh SYNOPSIS +.Cd "device acpi_asus" +.Sh DESCRIPTION +The +.Nm +driver provides support for the extra ACPI-controlled gadgets, such as hotkeys +and leds, found on recent Asus (and Medion) laptops. +It allows one to use the +.Xr sysctl 8 +interface to manipulate the brightness of the LCD panel and the display output +state. +Hotkey events are passed to +.Xr devd 8 +for easy handling in userspace. +.Pp +Currently, the following laptops are fully supported: +.Pp +.Bl -tag -width ident -compact +.It L2D +.It L3C +.It L3D +.It L3H +.It L8L +.It M1A +.It M2E +.El +.Pp +.Sh SYSCTLS +The following sysctls are currently implemented: +.Bl -tag -width indent +.It Va hw.acpi.asus.lcd_brightness +Makes the LCD backlight brighter or dimmer (higher values are brighter). +.It Va hw.acpi.asus.lcd_backlight +Turns the LCD backlight on or off. +.It Va hw.acpi.asus.video_output +Sets the active display to use according to a bitwise OR or of the following: +.Pp +.Bl -tag -width indent -compact +.It Li 0 +No display +.It Li 1 +LCD +.It Li 2 +CRT +.It Li 4 +TV-Out +.El +.Pp +Some models also support video switching via the generic +.Xr acpi_video 4 +driver. Most models don't, however. +.El +.Pp +Defaults for these variables can be set in +.Xr sysctl.conf 5 , +which is parsed at boot-time. +.Sh SEE ALSO +.Xr acpi 4 , +.Xr acpi_video 4 , +.Xr sysctl.conf 5 , +.Xr sysctl 8 +.Rs +.%T The Acpi4Asus Project +.%O http://sourceforge.net/projects/acpi4asus/ +.Re +.Sh HISTORY +The +.Nm +driver first appeared in +.Fx 5.3 . +.Sh AUTHORS +.An -nosplit +The +.Nm +driver and this manual page were written by +.An Philip Paeps Aq philip@FreeBSD.org . +.Pp +Inspiration came from the +.Em acpi4asus project +started by Julien Lerouge which maintains a driver implementing this +functionality in the Linux kernel. |