The OEM bug is LP #1304182, in which acpi_backlight=vendor is used to fix it. We need a proper fix in kernel to close this cert blocker.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1393644 Title: [Dell Inspiron 3531] Brightness control does not work on 14.04.1 To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1393644/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
