gdimmer - Backlight dimmer written in Go
gdimmer is a substitute for the built-in screen dimming utilities where these
utilities fail to handle custom or unusual configurations.
You may choose to set the BLPROVIDER environment variable instead of using -p or -provider.
-h, -help - Display help...
-p, -provider - Set your backlight provider. Providers are listed as directories
in /sys/class/backlight/. Can be full path or basename. This is gmux_backlight by default.
-u, -up - Increase the brightness. Default step is 10%.
-d, -down- Decrease the brightness. Default step is 10%.
-m, -max - Maximum brightness.
-s, -set- Explicitly set the brightness. Must be used with -f or -force.