Upstream accepts the patch mentioned in #11. https://kernel.googlesource.com/pub/scm/linux/kernel/git/rafael/linux-pm/+/08a56226d84706d402372d891550e130ef5df9f0
And the bug for Vostro 5470 is set to invalid. I will submit the sauce patch for Dell Inspiron 5547/5447 only. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1250401 Title: [Dell Inspiron 5737] brightness could not be controlled by the indicator applet "System settings -> Brightness and Lock"" but sysfs works To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1250401/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs