This should be fixed in the upstream 3.19 kernel by this patch author Aaron Lu committer Rafael J. Wysocki commit 7d0b93499f4879ddbc75d594f4ea216ba964f78e (patch) tree 7c65587b844e6709d4301599e67505c9335de1cb parent 97bf6af1f928216fd6c5a66e8a57bfa95a659672 (diff)
ACPI / video: Add some Samsung models to disable_native_backlight list Several Samsung laptop models (SAMSUNG 870Z5E/880Z5E/680Z5E and SAMSUNG 370R4E/370R4V/370R5E/3570RE/370R5V) do not have a working native backlight control interface so restore their acpi_videoX interface. Link: https://bugzilla.kernel.org/show_bug.cgi?id=84221 Link: https://bugzilla.kernel.org/show_bug.cgi?id=84651 For SAMSUNG 870Z5E/880Z5E/680Z5E: Reported-and-tested-by: Brent Saner Reported-by: Vitaliy Filippov Reported-by: Laszlo KREKACS For SAMSUNG 370R4E/370R4V/370R5E/3570RE/370R5V: Reported-by: Vladimir Perepechin Cc: 3.17+ <sta...@vger.kernel.org> # 3.17+ Signed-off-by: Aaron Lu Signed-off-by: Rafael J. Wysocki A PPA of the 3.19-rc3 kernel is available at http://kernel.ubuntu.com /~kernel-ppa/mainline/ and instructions on how to install and uninstall it are available at https://wiki.ubuntu.com/Kernel/MainlineBuilds ** Bug watch added: Linux Kernel Bug Tracker #84221 http://bugzilla.kernel.org/show_bug.cgi?id=84221 ** Bug watch added: Linux Kernel Bug Tracker #84651 http://bugzilla.kernel.org/show_bug.cgi?id=84651 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1380824 Title: Backlight not working on Samsung ATIV 8 laptop To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1380824/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
