Perks

Installation

Package Manager Utilities

$ pacman -S lux

Manually

$ git clone https://github.com/Ventto/lux.git$cd lux$ sudo make install

$ newgrp video

Usage

Usage: lux OPERATION [-c CONTROLLER_NAME] [-m MIN] [-M MAX]Brightness option values are positive integers.Percent mode, add "%" after values (operation options only).Without option, it prints controller name and brightness info.Information:  -h  Prints this help and exits  -v  Prints version info and existsThresholds (can be used in conjunction):  -m MIN      Set the brightness MIN (raw value)  -M MAX      Set the brightness MAX (raw value)Operations (with percent mode):  -a VALUE[%]      Increase the brightness VALUE  -s VALUE[%]      Subtract the brightness VALUE  -S VALUE[%]      Set the brightness VALUE (thresholds will be ignored)  -g Print the current brightness raw value  -G Print the current brightness percentageControllers:  -c CONTROLLER_NAME      Set the controller to use.      Use any CONTROLLER_NAME in /sys/class/backlight.

Examples

$ lux/sys/class/backlight/nv_backlight 0;1000;2000# { current: 1000, max: 2000 }$ lux -g1000$ lux -G50%

$ lux -S 0

$ lux -a 15%    (percentage)$ lux -a 15     (raw value)

$ lux -g1990$ lux -m 500 -M 1999 -a 10$ lux -g1999

$ ls /sys/class/backlightintel_backlight$ lux -c intel_backlight -S 50

FAQ

The max is 2000. Setting the value from 1 to 500 seems to do nothing.

$ lux -m 500 [OPTION]...

Pitch black when the brightness equals the maximum, how avoiding this ?

$ cat /sys/class/backlight/intel_backlight/max_brightness2000$ lux -M 1999 ...

Set the brightness value after initializing an X session ?

$echo"lux -S 75%">>$HOME/.xinitrc