post_install() { echo '--> By default, first matching webcam and backlight interface are used.' echo '--> Therefore, it should work out of the box even without any setup in most cases.' echo '--> For any customization, take a look at settings file placed in /etc/default/clight.conf.' echo '--> Remember to enable clight: systemctl --user enable clight.timer.' echo '--> Timer is needed to add a small delay to let all needed bus interfaces boot up.' }