If the module is loaded when the brightness is initially to level 0, the function "check_for_stepping_quirk()" fails to detect that quirk is needed. This is because at level 0 the brightness control behaves in a different way. Increasing the brightness level from 0 to 1 before doing the quirk test fixes the problem.
** Patch added: "check-special-case-when-initial-brightness-is-zero.patch" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/810093/+attachment/2539763/+files/check-special-case-when-initial-brightness-is-zero.patch -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/810093 Title: The new (2.6.39+) samsung_laptop kernel module causes serious backlight flickering - makes the desktop unusable To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/810093/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs