Ubuntu Manpages

brightnessctl

read and control device brightness

brightnessctl ['OPTION']... ['OPERATION']... ['VALUE']...

-h, --help

Print this help.

-l, --list

List devices with available brightness controls.

-q, --quiet

Suppress output.

-p, --pretend

Do not perform write operations.

-m, --machine-readable

Produce machine-readable output.

-s, --save

Save state in a temporary file.

-r, --restore

Restore previously-saved state.

-d, --device=DEVICE

Specify device name (can be a wildcard).

-c, --class=CLASS

Specify device class.

-v, --version

Print version and exit.

i, info

Get device info.

g, get

Get the current brightness of the device.

m, max

Get the maximum brightness of the device.

s, set VALUE

Set the brightness of the device.

Valid values:

  • absolute value: 500
  • relative value: 50%
  • absolute delta: 50- or +10
  • relative delta: 50%- or +10%

Project development repository: https://github.com/Hummer12007/brightnessctl

Copyright © 2016-2018 Mykyta Holubakha.

Free use of this software is granted under the terms of the MIT/Expat License.

Mykyta Holubakha

Nicolas Braud-Santoni (manpage)