12.228 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

12.228.1 Light Commands light-black

Command: light-black
Black screen. light-decrement

Command: light-decrement
Decrease brightness. light-get

Command: light-get
Get  brightness level. light-increment

Command: light-increment
Increase brightness. light-set

Command: light-set (brightness)
Set brightness.

(fn BRIGHTNESS) light-white

Command: light-white
White screen.