I just reverted the "Ignore ACPI video devices that aren't present in hardware" patch. The patch was intended to fix another problem but introduced regressions. It has been reverted upstream due to that fact.
** Changed in: linux (Ubuntu) Status: In Progress => Fix Committed -- Backlight adjustment no longer works on Thinkpad X61s https://bugs.launchpad.net/bugs/197929 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs