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12.240 xbacklight

Provide an emacs front-end to xbacklight. This is a tool that controls the brightness on laptops. To install xbacklight, sudo apt-get install xbacklight

This module is most easily used in conjunction with hydra: M-x package-install hydra

12.240.1 Xbacklight Commands xbacklight-black

Command: xbacklight-black
Turn screen black. xbacklight-decrement

Command: xbacklight-decrement
Decrease brightness by  by one step. xbacklight-get

Command: xbacklight-get
Get current brightness level. xbacklight-increment

Command: xbacklight-increment
Increase brightness by  by one step. xbacklight-set

Command: xbacklight-set (brightness)
Set brightness to  specified level.
‘brightness’ is a percentage value.

(fn BRIGHTNESS) xbacklight-white

Command: xbacklight-white
Turn screen white.

12.240.2 xbacklight Options

Variable: User Option xbacklight-step

Step-size used when incrementing and decrementing brightness.