xbacklight (1)

Leading comments

Copyright © 2007 Keith Packard.\"
Permission to use, copy, modify, distribute, and sell this software and its
documentation for any purpose is hereby granted without fee, provided that
the above copyright notice appear in all copies and that both that
copyright notice and this permission notice appear in supporting
documentation, and that the name of Keith Packard not be used in
advertising or publicity pertaining to distribution of the software without
specific, written prior permission.  Ke...

(The comments found at the beginning of the groff file "man1/xbacklight.1".)

NAME

xbacklight - adjust backlight brightness using RandR extension

SYNOPSIS

xbacklight [-help] [-display display] [-get] [-set percent] [-inc percent] [-dec percent]

DESCRIPTION

Xbacklight is used to adjust the backlight brightness where supported. It finds all outputs on the X server supporting backlight brightness control and changes them all in the same way.

-get

Print out the current backlight brightness of each output with such a control. The brightness is represented as a percentage of the maximum brightness supported.

-set percent

Sets each backlight brightness to the specified level.

-inc percent

Increases brightness by the specified amount.

-dec percent

Decreases brightness by the specified amount.

-help

Print out a summary of the usage and exit.

-time milliseconds

Length of time to spend fading the backlight between old and new value. Default is 200.

-steps number

Number of steps to take while fading. Default is 20.

SEE ALSO

Xrandr(3)

AUTHORS

Keith Packard, Open Source Technology Center, Intel Corporation.