[Bug 810518] New: Brightness control doesn't work on Dell XPS13
https://bugzilla.novell.com/show_bug.cgi?id=810518 https://bugzilla.novell.com/show_bug.cgi?id=810518#c0 Summary: Brightness control doesn't work on Dell XPS13 Classification: openSUSE Product: openSUSE 12.3 Version: Final Platform: x86-64 OS/Version: Other Status: NEW Severity: Normal Priority: P5 - None Component: X.Org AssignedTo: bnc-team-xorg-bugs@forge.provo.novell.com ReportedBy: boe@musictrace.de QAContact: xorg-maintainer-bugs@forge.provo.novell.com Found By: --- Blocker: --- User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.22 (KHTML, like Gecko) Chrome/25.0.1364.172 Safari/537.22 The brightness control doesnt work on a Dell XPS 13 Ultrabook. Keyboard function (FN + F4/F5) doesn't work, also the brightness control of power mangement e.g. in KDE doesn't work. I need to manually set echo 0 > /sys/class/backlight/intel_backlight/brightness then everything is fine until next reboot or suspend/resume. Reproducible: Always Steps to Reproduce: 1. 2. 3. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
https://bugzilla.novell.com/show_bug.cgi?id=810518 https://bugzilla.novell.com/show_bug.cgi?id=810518#c1 --- Comment #1 from Matthias Boettger <boe@musictrace.de> 2013-03-20 13:21:56 UTC --- Sorry I forgot, I tested it on KDE, lxde and xfce -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
https://bugzilla.novell.com/show_bug.cgi?id=810518 https://bugzilla.novell.com/show_bug.cgi?id=810518#c Stefan Dirsch <sndirsch@suse.com> changed: What |Removed |Added ---------------------------------------------------------------------------- Priority|P5 - None |P3 - Medium Status|NEW |ASSIGNED AssignedTo|bnc-team-xorg-bugs@forge.pr |xorg-maintainer-bugs@forge. |ovo.novell.com |provo.novell.com -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
https://bugzilla.novell.com/show_bug.cgi?id=810518 https://bugzilla.novell.com/show_bug.cgi?id=810518#c2 Feathers And Down <feathersanddown@gmail.com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |feathersanddown@gmail.com --- Comment #2 from Feathers And Down <feathersanddown@gmail.com> 2013-03-28 05:23:48 UTC --- Same problem here, in my Sony Vaio, please see http://forums.opensuse.org/english/get-technical-help-here/laptop/484463-bri... and http://forums.opensuse.org/english/get-technical-help-here/laptop/472049-bri... -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
https://bugzilla.novell.com/show_bug.cgi?id=810518 https://bugzilla.novell.com/show_bug.cgi?id=810518#c3 Chris Puttick <chris@twoten.is> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |chris@twoten.is --- Comment #3 from Chris Puttick <chris@twoten.is> 2013-05-13 10:15:00 UTC --- Can confirm similar symptoms and fix on kernel 3.9 (built with SAKC). If anyone can suggest a workaround that survives at least suspend/resume they'll get a prize... -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
https://bugzilla.novell.com/show_bug.cgi?id=810518 https://bugzilla.novell.com/show_bug.cgi?id=810518#c4 --- Comment #4 from Chris Puttick <chris@twoten.is> 2013-05-13 10:19:37 UTC --- PS saw a suggestion of using some sort of post boot script to run a similar command. This successfully writes the 0 to the file but doesn't have the desired effect - only writing to the file during an active session seems to work. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
https://bugzilla.novell.com/show_bug.cgi?id=810518 https://bugzilla.novell.com/show_bug.cgi?id=810518#c5 Xu Lian <dzieko@gmail.com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |dzieko@gmail.com --- Comment #5 from Xu Lian <dzieko@gmail.com> 2013-07-31 21:12:21 UTC --- I'm running tumbleweed 12.3 now. Brightness control works on kernel-desktop-3.7.10-1.16.1.x86_64 (from pure openSUSE). On kernel-desktop-3.10.3-19.1.gec6c1d9.x86_64 (from tumbleweed) it does __NOT__ work. This is a regression - can you dissect this between kernel versions? I can confirm that trick with echo 0 > /sys/class/backlight/intel_backlight/brightness works only inside active X session. However iw work in a strange way - I have to keep pushing FN+F4/F5 to get changes. Single push on a key does nor work. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
https://bugzilla.novell.com/show_bug.cgi?id=810518 https://bugzilla.novell.com/show_bug.cgi?id=810518#c6 --- Comment #6 from Xu Lian <dzieko@gmail.com> 2013-07-31 21:33:59 UTC --- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0... -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
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