Provided by: brightnessctl_0.3.2-1_amd64
brightnessctl - read and control device brightness
brightnessctl [options] [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. VALUES You may specify VALUE for the set command in absolute or relative form, and as a value or a delta from the current value. For example: brightnessctl set 500 Sets brightness to 500. brightnessctl set 50% Sets brightness to 50% of the maximum. brightnessctl set 50- Subtracts 50 from the current brightness. brightnessctl set +10 Adds 10 to the current brightness. brightnessctl set 50%- Subtracts 50% of the maximum from the current brightness. brightnessctl set +10% Adds 10% of the maximum to the current brightness.
Maintained by Mykyta Holubakha, who is assisted by other open source contributors. For more information about brightnessctl development, visit: https://github.com/Hummer12007/brightnessctl