Linux camera/webcam settings on v4l2 – brightness, contrast and others

$ sudo apt install v4l-utils

$ v4l2-ctl --list-ctrls-menus
$ v4l2-ctl -c brightness=64
$ v4l2-ctl -c contrast=65

https://gist.github.com/justinledwards/cc0c40ce611efc00346f