I was able adjust the screen brightness using kernel 3.8.0-21, but there is a regression in kernel 3.8.0-22. Using the latter, I can no longer adjust the screen brightness using the Fn keys. Hardware is DELL XPS 13 and I am running Ubuntu Linux 13.04 (64 bit).
I was able adjust the screen brightness using kernel 3.8.0-21, but there is a regression in kernel 3.8.0-22. Using the latter, I can no longer adjust the screen brightness using the Fn keys. Hardware is DELL XPS 13 and I am running Ubuntu Linux 13.04 (64 bit).