.TH "RADEONTOOL" "8" 
.SH "NAME" 
radeontool \(em utility to get/set registers and to control backlight on radeon based laptops 
.SH "SYNOPSIS" 
.PP 
\fBradeontool\fR [\fB\fIoption\fR\fP]  [\fB\fIcommand\fR\fP]  
.SH "DESCRIPTION" 
.PP 
This manual page documents briefly the 
\fBradeontool\fR command. 
.PP 
This manual page was written for the \fBDebian\fP distribution 
because the original program does not have a manual page. 
.PP 
\fBradeontool\fR is a program that switches on/off 
backlight and external output on ATI Radeon based laptops, and 
is able to list or set register values. 
.SH "COMMANDS" 
.PP 
You can specify one of the following commands: 
.IP "\fBdac [on|off]\fP         " 10 
Power down the external video output 
.IP "\fBlight [on|off]\fP         " 10 
Power down the backlight 
.IP "\fBstretch [on|off|vert|horiz|auto|manual]\fP         " 10 
Adjusts stretching for resolution mismatch 
.IP "\fBregs\fP         " 10 
Show a listing of some random registers 
.IP "\fBregmatch [pattern]\fP         " 10 
Show registers matching wildcard pattern 
.IP "\fBregset [pattern] [value]\fP         " 10 
Set registers matching wildcard pattern 
.SH "OPTIONS" 
.PP 
These programs follow the usual GNU command line syntax, 
with long options starting with two dashes (`\-').  A summary of 
options is included below. 
.IP "\fB\-\-debug\fP         " 10 
Show a little debug info 
.IP "\fB\-\-skip=n\fP         " 10 
Skips the first n cards and acts on the n+1 
.SH "AUTHOR" 
.PP 
This manual page was written by Luigi Gangitano luigi@debian.org for 
the \fBDebian\fP 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. 
 
.PP 
On Debian systems, the complete text of the GNU General Public 
License can be found in /usr/share/common-licenses/GPL. 
 
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