http://bugzilla.opensuse.org/show_bug.cgi?id=903544 Bug ID: 903544 Summary: Screen brightness not working on Sony laptop Classification: openSUSE Product: openSUSE 13.1 Version: Final Hardware: x86-64 OS: openSUSE 13.1 Status: NEW Severity: Normal Priority: P5 - None Component: Kernel Assignee: kernel-maintainers@forge.provo.novell.com Reporter: adriano.argiolas@gmail.com QA Contact: qa-bugs@suse.de Found By: --- Blocker: --- The keyboard shortcuts Fn-F5 and Fn-F6 don't change the screen brightness. The OSD shows the brightness being altered, but the screen stays at full brightness. Extract of dmesg: [ 9.778444] sony_laptop: Sony Notebook Control Driver v0.6 [ 9.778581] input: Sony Vaio Keys as /devices/LNXSYSTM:00/device:00/PNP0A08:00/device:02/SNY5001:00/input/input4 [ 9.778644] input: Sony Vaio Jogdial as /devices/LNXSYSTM:00/device:00/PNP0A08:00/device:02/SNY5001:00/input/input5 [ 9.819901] sony_laptop: brightness ignored, must be controlled by ACPI video driver Output of spicctrl -a: /dev/sonypi: No such file or directory in /dev/sonypi there is a 0 length file available output of uname -a Linux 3.11.10-21-desktop #1 SMP PREEMPT Mon Jul 21 15:28:46 UTC 2014 (9a9565d) x86_64 x86_64 x86_64 GNU/Linux -- You are receiving this mail because: You are on the CC list for the bug.