I can reproduce this issue on a laptop, and the new version ca fix this issue.
my original env are: OS: Ubuntu 12.04 Kernel: linux-image-3.13.0-40-generic Package: xserver-xorg-video-intel-lts-trusty (2:2.99.910-0ubuntu1~precise1) and after I enabled precise-proposed repo and updated xserver-xorg- video-intel-lts-trusty to version 2:2.99.910-0ubuntu1.3~precise1, this issue was fixed. changed tag from verification-needed to verification-done ** Tags removed: verification-needed ** Tags added: verification-done -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xserver-xorg-video-intel in Ubuntu. https://bugs.launchpad.net/bugs/1373776 Title: internal panel brightness set to 0 when switching back to internal- only mode Status in HWE Next Project: Fix Released Status in HWE Next trusty series: Fix Released Status in xserver-xorg-video-intel package in Ubuntu: Fix Released Status in xserver-xorg-video-intel-lts-trusty package in Ubuntu: Confirmed Status in xserver-xorg-video-intel source package in Trusty: Fix Released Status in xserver-xorg-video-intel-lts-trusty source package in Trusty: Confirmed Bug description: [Impact] the brightness of the internal panel can get set to the lowest value when going through the display modes and back to internal-only mode this is fixed in a later upstream release, but that can't be backported so a distro patch is needed [Test case] use the laptop hotkey to switch between modes until you get a blank internal panel [Regression potential] slim, the patch is simple enough To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1373776/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
