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12.224 light

Provide an emacs front-end to light. This is a tool that controls the brightness on laptops. To install light, sudo apt-get install light Install light setuid (sudo chmod u+s /usr/bin/light) This module is most easily used in conjunction with hydra: M-x package-install hydra

12.224.1 Light Commands

12.224.1.1 light-black

Command: light-black 
Black screen.

12.224.1.2 light-decrement

Command: light-decrement 
Decrease brightness.

12.224.1.3 light-get

Command: light-get 
Get  brightness level.

12.224.1.4 light-increment

Command: light-increment 
Increase brightness.

12.224.1.5 light-set

Command: light-set (brightness) 
Set brightness.

(fn BRIGHTNESS)

12.224.1.6 light-white

Command: light-white 
White screen.