xenocara/app/xbacklight/xbacklight.man
2009-10-10 10:22:10 +00:00

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.\"
.\" Copyright © 2007 Keith Packard.\"
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.\" documentation for any purpose is hereby granted without fee, provided that
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.TH XBACKLIGHT __appmansuffix__ __vendorversion__
.SH NAME
xbacklight \- adjust backlight brightness using RandR extension
.SH SYNOPSIS
.B "xbacklight"
[-help] [-display \fIdisplay\fP]
[-get]
[-set percent]
[-inc percent]
[-dec percent]
.SH DESCRIPTION
.I 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.
.IP -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.
.IP "-set \fIpercent\fP"
Sets each backlight brightness to the specified level.
.IP "-inc \fIpercent\fP"
Increases brightness by the specified amount.
.IP "-dec \fIpercent\fP"
Decreases brightness by the specified amount.
.IP -help
Print out a summary of the usage and exit.
.IP "-time \fImilliseconds\fP"
Length of time to spend fading the backlight between old and new value.
Default is 200.
.IP "-steps \fInumber\fP"
Number of steps to take while fading. Default is 20.
.SH "SEE ALSO"
Xrandr(3)
.SH AUTHORS
Keith Packard,
Open Source Technology Center, Intel Corporation.