xbacklight (1) - Linux Manuals
xbacklight: adjust backlight brightness using RandR extension
Command to display xbacklight manual in Linux: $ man 1 xbacklight
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.
AUTHORS
Keith Packard,
Open Source Technology Center, Intel Corporation.