[Bug 1393644] Re: [Dell Inspiron 3531] Brightness control does not work on 14.04.1
** Changed in: hwe-next Status: Confirmed => Won't Fix ** Changed in: hwe-next Assignee: AceLan Kao (acelankao) => (unassigned) ** Changed in: linux (Ubuntu) Assignee: AceLan Kao (acelankao) => (unassigned) -- 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
[Bug 1393644] Re: [Dell Inspiron 3531] Brightness control does not work on 14.04.1
Verified with kernel parameter video.use_native_backlight=1 and 3.16 kernel Both of them could make the brightness control back to work. Thanks ** Changed in: hwe-next Status: Incomplete = Fix Committed ** Changed in: hwe-next Status: Fix Committed = Confirmed ** Changed in: linux (Ubuntu) Status: Incomplete = Confirmed -- 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
[Bug 1393644] Re: [Dell Inspiron 3531] Brightness control does not work on 14.04.1
@PHLin Can you give the kernel param video.use_native_backlight=1, or utopic 3.16 kernel a try? ** Changed in: linux (Ubuntu) Status: Confirmed = Incomplete ** Changed in: hwe-next Status: Triaged = Incomplete -- 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
[Bug 1393644] Re: [Dell Inspiron 3531] Brightness control does not work on 14.04.1
@Joseph To workaround, append acpi_backlight=vendor on line GRUB_CMDLINE_LINUX_DEFAULT in /etc/default/grub, then run 'sudo update-grub'. -- 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
[Bug 1393644] Re: [Dell Inspiron 3531] Brightness control does not work on 14.04.1
** Changed in: hwe-next Assignee: (unassigned) = AceLan Kao (acelankao) ** Changed in: linux (Ubuntu) Assignee: Anthony Wong (anthonywong) = AceLan Kao (acelankao) -- 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
[Bug 1393644] Re: [Dell Inspiron 3531] Brightness control does not work on 14.04.1
I'd be interested in workaround steps once they become available :-) -- 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
[Bug 1393644] Re: [Dell Inspiron 3531] Brightness control does not work on 14.04.1
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
[Bug 1393644] Re: [Dell Inspiron 3531] Brightness control does not work on 14.04.1
** Changed in: hwe-next Status: New = Triaged -- 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
[Bug 1393644] Re: [Dell Inspiron 3531] Brightness control does not work on 14.04.1
Also affect 201404-14984 Dell Inspiron 3531 Bug 1393651 is a blocker. ** Tags added: 201404-14984 -- 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
[Bug 1393644] Re: [Dell Inspiron 3531] Brightness control does not work on 14.04.1
** Attachment added: dsdt.dsl https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1393644/+attachment/4262730/+files/dsdt.dsl ** Also affects: hwe-next Importance: Undecided Status: New -- 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
[Bug 1393644] Re: [Dell Inspiron 3531] Brightness control does not work on 14.04.1
** Attachment added: fwts_method.log https://bugs.launchpad.net/hwe-next/+bug/1393644/+attachment/4262731/+files/fwts_method.log -- 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
[Bug 1393644] Re: [Dell Inspiron 3531] Brightness control does not work on 14.04.1
Note that this bug seems to be the only blocker to this system, 201403-14892 Inspiron 3531 It will be great to have it fixed in 3.13 kernel. -- 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
[Bug 1393644] Re: [Dell Inspiron 3531] Brightness control does not work on 14.04.1
Another issue found on this system, bug 1393651 Let's see whether this is a blocker or not. -- 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
