Apparently only "set the default backlight level to something reasonable" patch was applied to 3.13, so I don't have the "radeon_encoder_add_backlight" function, thus this won't work at all.
Would you suggest I first apply the patch published here on 2014-09-17? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1363623 Title: [ASUS-A7K laptop] screen brightness dimmed after kernel update To manage notifications about this bug go to: https://bugs.launchpad.net/xserver-xorg-driver-radeonhd/+bug/1363623/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs