radeontool — utility to get/set registers and to control backlight on
radeon based laptops
radeontool [option] [command]
This manual page documents briefly the radeontool command.
This manual page was written for the Debian distribution because the
original program does not have a manual page.
radeontool is a program that switches on/off backlight and external
output on ATI Radeon based laptops, and is able to list or set register
You can specify one of the following commands:
Power down the external video output
Power down the backlight
Adjusts stretching for resolution mismatch
regs Show a listing of some random registers
Show registers matching wildcard pattern
regset [pattern] [value]
Set registers matching wildcard pattern
These programs follow the usual GNU command line syntax, with long
options starting with two dashes (‘-’). A summary of options is
--debug Show a little debug info
--skip=n Skips the first n cards and acts on the n+1
This manual page was written by Luigi Gangitano email@example.com for
the Debian system (but may be used by others). Permission is granted
to copy, distribute and/or modify this document under the terms of the
GNU General Public License, Version 2 any later version published by
the Free Software Foundation.
On Debian systems, the complete text of the GNU General Public License
can be found in /usr/share/common-licenses/GPL.