I get the feeling this might be an intentional feature. To check, please report the problem to the Gnome developers here:
https://gitlab.gnome.org/GNOME/gnome-control-center/issues and then tell us the ID of the issue you have reported. ** Package changed: xorg (Ubuntu) => gnome-control-center (Ubuntu) ** Changed in: gnome-control-center (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1780169 Title: Orientation was disappeared when the machine has accelerometer in 18.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1780169/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp