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 faiding. Default is 20. |
SEE ALSO
AUTHORS
Keith Packard, Open Source Technology Center, Intel Corporation.
