xfpm-power-backlight-helper

#!/bin/sh
# changes the range of display brightness until it's merged into xfpm
# ---
# 1. save as /usr/bin/xfpm-power-backlight-helper
# 2. rename original to /usr/bin/xfpm-power-backlight-helper.orig
# 3. enjoy a hopefully more useful brightness setting

div=2

args=( "$@" )

if [ "${args[0]}" = "--set-brightness" ] && [ -n "${args[1]}" ]; then
	args[1]=$((${args[1]} / $div))
fi

output=$(/usr/bin/xfpm-power-backlight-helper.orig ${args[@]})

if [ "${args[0]}" = "--get-brightness" ]; then
	output=$(($output * $div))
fi

echo "$output"