After some more digging, here's a quick solution for us Vaio S owners: echo 1 | sudo tee /sys/devices/platform/sony-laptop/kbd_backlight
from https://bbs.archlinux.org/viewtopic.php?id=121566 -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-power-manager in Ubuntu. https://bugs.launchpad.net/bugs/849110 Title: Regression: keyboard backlight hotkeys no longer work To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-power-manager/+bug/849110/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
