Also affect 201401-14528 Dell Inspiron 5447 This could be fixed by 3.16.0-rc4 as well
The GRUB tweak mentioned in comment #7 of bug 1332437 "video.use_native_backlight=1" works. So I think this issue is well explained in https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1332437/comments/8 Maybe we could set this as a duplicated one after we confirm these two bugs are identical. ** Summary changed: - [Dell Inspiron 5547] Unable to control brightness + [Dell Inspiron 5547/5447] Unable to control brightness with Intel Haswell GPU ** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed ** Tags added: 201401-14528 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1332379 Title: [Dell Inspiron 5547/5447] Unable to control brightness with Intel Haswell GPU To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1332379/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
