I have enabled focal-proposed and upgraded the linux-image package to version 5.4.0-18. Backlight controls are now functional, both from the keyboard and the GNOME status bar.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1866994 Title: Screen backlight control not working on Dell XPS 15 7590 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1866994/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
