NAME

       brightnessctl - read and control device brightness

SYNOPSIS

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

OPTIONS

       -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.

OPERATIONS

       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%

RESOURCES

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

COPYING

       Copyright © 2016-2018 Mykyta Holubakha.

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

AUTHOR(S)

       Mykyta Holubakha

       Nicolas Braud-Santoni (manpage)