acpi_asus(4) [debian man page]
ACPI_ASUS(4) BSD/i386 Kernel Interfaces Manual ACPI_ASUS(4) NAME
acpi_asus -- Asus Laptop Extras SYNOPSIS
To compile this driver into the kernel, place the following line in your kernel configuration file: device acpi_asus Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5): acpi_asus_load="YES" DESCRIPTION
The acpi_asus driver provides support for the extra ACPI-controlled gadgets, such as hotkeys and leds, found on recent Asus (and Medion) lap- tops. It allows one to use the sysctl(8) interface to manipulate the brightness of the LCD panel and the display output state. Hotkey events are passed to devd(8) for easy handling in userspace with the default configuration in /etc/devd/asus.conf. Currently, the following Asus laptops are fully supported: xxN A1x A2x A3N A4D A6VM D1x J1x L2B L2D L2E L3C L3D L3H L4E L4R L5x L8x M1A M2E M6N M6R S1x S2x V6V W5A Eee PC Additionally, acpi_asus also supports the Asus-compatible ATK0100 interface found in Samsung P30/P35 laptops. SYSCTL VARIABLES
The following sysctls are currently implemented: hw.acpi.asus.lcd_brightness Makes the LCD backlight brighter or dimmer (higher values are brighter). hw.acpi.asus.lcd_backlight Turns the LCD backlight on or off. hw.acpi.asus.video_output Sets the active display to use according to a bitwise OR of the following: 0 No display 1 LCD 2 CRT 4 TV-Out Some models also support video switching via the generic acpi_video(4) driver. Most models do not, however. Defaults for these variables can be set in sysctl.conf(5), which is parsed at boot-time. SEE ALSO
acpi(4), acpi_video(4), sysctl.conf(5), sysctl(8) The acpi4asus Project, http://sourceforge.net/projects/acpi4asus/. HISTORY
The acpi_asus driver first appeared in FreeBSD 5.3. AUTHORS
The acpi_asus driver and this manual page were written by Philip Paeps <philip@FreeBSD.org>. Inspiration came from the acpi4asus project started by Julien Lerouge which maintains a driver implementing this functionality in the Linux kernel. BSD
December 17, 2008 BSD
Check Out this Related Man Page
ACPITOOL(1) User Commands ACPITOOL(1) NAME
acpitool - a Linux ACPI client, allowing you to query or set ACPI values SYNOPSIS
acpitool [ -aAbBcefFhjlmnosStTvVwWz ] DESCRIPTION
acpitool is a Linux ACPI client. It simply reads /proc/acpi or /sys/class entries and presents the output in a meaningfull, human-readable format. It provides a.o. information on battery status, AC adapter presence, thermal reading, etc. This command is most useful on laptops with an ACPI compliant BIOS and a Linux kernel, preferably from the 2.6 series, with ACPI enabled. Acpitool also allows the machine to be put into standby, if your laptop supports it. If your laptop is a Toshiba , it allows you to set the LCD brighness level and toggle the fan on/off. If you have an Asus laptop, it can also set the LCD brightness level, switch the LCD panel on or off, and control the mail led and wireless led. If you have an IBM Thinkpad laptop, it can once again set the LCD brightness level, and also eject the ultrabay device. OPTIONS
-a, --ac_adapter Show AC adapter presence -A Show supported Asus ACPI extensions (LCD brightness level, video out routing DSDT/acpi4asus info) -b Show battery status information, available batteries only. -B, --battery Show detailed battery status information, for all battery entries found. -c, --cpu Show CPU information (type, speed, PM capabilities, throttling states, c-state usage, frequency scaling). -e Show just about everything : more info on the batteries, ACPI version, kernel version, CPU, . . . -f, --fan Show fan status (shows fan info specific to Toshiba or IBM Thinkpad, if applicable). -F x Force the fan on (x=1) or switch back to auto mode (x=0). Works only on Toshiba laptops. The fan is switched off ONLY if it was forced on first, not if it was switched on automatically. Requires write access to /proc/acpi/toshiba/fan -h, --help Show help text. -j Eject Thinkpad ultrabay device. Requires write acces to /proc/acpi/ibm/bay -l x Set LCD brightness level to x, where x is in the range 0..7. Works only on Toshiba and IBM Thinkpad laptops. Requires write access to /proc/acpi/tochiba/lcd or /proc/acpi/ibm/brightness Illegal values for x will result in the value being set to either 0 or 7. -m x Switch the mail led on (x=1) or off (x=0). Works only on Asus laptops. Requires write access to /proc/acpi/asus/mled -n x Switch the wireless led on (x=1) or off (x=0). Works only on Asus laptops. Requires write access to /proc/acpi/asus/wled -o x Switch the LCD panel on (x=1) or off (x=0). Works only on Asus laptops. Requires write access to /proc/acpi/asus/lcd -s, --suspend to memory Put the machine into sleep state S3, if possible. Requires write access to /proc/acpi/sleep (kernel 2.4.x) or /sys/power/state (kernel 2.6.x) -S, --suspend to disk ? Put the machine into sleep state S4, if possible. Requires write access to /proc/acpi/sleep (kernel 2.4.x) or /sys/power/state (kernel 2.6.x) -t, --thermal Show thermal zone(s) information, including trip_points. -T, --Toshiba Show supported Toshiba ACPI extensions, currently being LCD brightness level, video out routing (what display is the video chip sending to) and fan status (on/off, forced or not). -v Show more verbose output when something is not found. Makes sense only when used together with other options. -V, --version Show acpitool version number and release date, then exit. -w Show the wakeup capable devices. (Available since ACPI 20040715, check your version). -W x Enable/disable wakeup capable device x. Run 'acpitool -w' to see valid numbers for x. Requires write access to /proc/acpi/wakeup -z x Set Asus LCD brightness level to x, where x is 0..15. Works only on Asus laptops. Requires write access to /proc/acpi/asus/brn REMARKS
This program absolutely requires a Linux kernel with ACPI support enabled. This program will not work without it. IBM Thinkpad support is part of the Linux kernel since kernel 2.6.10. Don't blame me if acpitool can't suspend your laptop : there are quite some problematic laptops out there. Check the acpi-bugzilla list if you don't believe me ;) Note that some options, like -F, -l , -j, -s, -W and -z, require write access to some of the /proc/acpi entries. This requires acpitool either to be run as root or either administrative measures must be taken, most likely by root, to allow ordinary users to write to these files. Creating a group for ACPI users and setting permissions accordingly comes to mind. Also note that older laptops (< 2000) often simply don't have ACPI support, they usually support APM only. BUGS
Let me know if you think you found one. FILES
/proc/acpi/... /proc/acpi/toshiba /proc/acpi/asus /proc/acpi/ibm /sys/power/state HOMEPAGE
http://freeunix.dyndns.org:8000/site2/acpitool.shtml AUTHOR
This program is written and maintained by David Leemans (davidleemans |at| scarlet |dot| be) and may be freely distributed under the terms of the GNU General Public License. There is ABSOLUTELY NO WARRANTY for this program. AcpiTool 0.5 24 Jul 2008 ACPITOOL(1)