There is now an option 'Never' thanks to a recent patch, but then the screen begins to turn off immediately.
See bug : https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/864270
There is now an option 'Never' thanks to a recent patch, but then the screen begins to turn off immediately.
See bug : https:/ /bugs.launchpad .net/ubuntu/ +source/ gnome-control- center/ +bug/864270