I found the fix myself, Create /usr/share/X11/xorg.conf.d/20-intel.conf
with the following text:

Section "Device"
    Identifier  "card0"
    Driver      "intel"
    Option      "Backlight"  "intel_backlight"
    BusID       "PCI:0:2:0"

EndSection



On Tue, Jan 7, 2014 at 4:45 PM, Christopher M. Penalver <
<email address hidden>> wrote:

> Jack Ramsay, could you please test the latest upstream kernel available
> (not the daily folder) following
> https://wiki.ubuntu.com/KernelMainlineBuilds ? It will allow additional
> upstream developers to examine the issue. Once you've tested the upstream
> kernel, please comment on which kernel version specifically you tested. If
> this bug is fixed in the mainline kernel, please add the following tags:
> kernel-fixed-upstream
> kernel-fixed-upstream-VERSION-NUMBER
>
> where VERSION-NUMBER is the version number of the kernel you tested. For
> example:
> kernel-fixed-upstream-v3.13-rc7
>
> This can be done by clicking on the yellow circle with a black pencil icon
> next to the word Tags located at the bottom of the bug description. As
> well, please remove the tag:
> needs-upstream-testing
>
> If the mainline kernel does not fix this bug, please add the following
> tags:
> kernel-bug-exists-upstream
> kernel-bug-exists-upstream-VERSION-NUMBER
>
> As well, please remove the tag:
> needs-upstream-testing
>
> Once testing of the upstream kernel is complete, please mark this bug's
> Status as Confirmed. Please let us know your results. Thank you for your
> understanding.
>
> ** Tags added: saucy
>
> ** Tags added: latest-bios-44cn43ww
>
> ** Package changed: xserver-xorg-video-intel (Ubuntu) => linux (Ubuntu)
>
> ** Changed in: linux (Ubuntu)
>    Importance: Undecided => Low
>
> ** Changed in: linux (Ubuntu)
>        Status: New => Incomplete
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1244645
>
> Title:
>   Brightness is at 100 percent and will not change
>
> Status in “linux” package in Ubuntu:
>   Incomplete
>
> Bug description:
>   I have seen this issue before as it was in the 13.10 betas. When I try
>   any setting and method to change the brigtness it fails and remains at
>   100%. PLease feel free to contact me to get more information
>
>   ProblemType: Bug
>   DistroRelease: Ubuntu 14.04
>   Package: xorg 1:7.7+1ubuntu6
>   ProcVersionSignature: Ubuntu 3.11.0-12.19-generic 3.11.3
>   Uname: Linux 3.11.0-12-generic x86_64
>   NonfreeKernelModules: wl
>   .tmp.unity.support.test.0:
>
>   ApportVersion: 2.12.6-0ubuntu1
>   Architecture: amd64
>   CompizPlugins: No value set for
> `/apps/compiz-1/general/screen0/options/active_plugins'
>   CompositorRunning: compiz
>   CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
>   CompositorUnredirectFSW: true
>   CurrentDmesg:
>    [   22.303888] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
>    [   22.304339] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
>    [   54.899779] ISO 9660 Extensions: Microsoft Joliet Level 3
>    [   54.952839] ISO 9660 Extensions: RRIP_1991A
>   Date: Fri Oct 25 07:36:52 2013
>   DistUpgraded: Fresh install
>   DistroCodename: trusty
>   DistroVariant: ubuntu
>   DkmsStatus: bcmwl, 6.30.223.141+bdcom, 3.11.0-12-generic, x86_64:
> installed
>   ExtraDebuggingInterest: Yes
>   GraphicsCard:
>    Intel Corporation 2nd Generation Core Processor Family Integrated
> Graphics Controller [8086:0106] (rev 09) (prog-if 00 [VGA controller])
>      Subsystem: Lenovo Device [17aa:3975]
>   InstallationDate: Installed on 2013-10-25 (0 days ago)
>   InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64
> (20131021.1)
>   MachineType: LENOVO 1068BAU
>   MarkForUpload: True
>   ProcEnviron:
>    LANGUAGE=en_US
>    TERM=xterm
>    PATH=(custom, no user)
>    LANG=en_US.UTF-8
>    SHELL=/bin/bash
>   ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-12-generic.efi.signed
> root=UUID=96b54589-c267-4291-b79c-3ff62dddb522 ro quiet splash vt.handoff=7
>   SourcePackage: xorg
>   Symptom: display
>   UpgradeStatus: No upgrade log present (probably fresh install)
>   dmi.bios.date: 10/27/2011
>   dmi.bios.vendor: LENOVO
>   dmi.bios.version: 44CN43WW
>   dmi.board.asset.tag: Base Board Asset Tag
>   dmi.board.name: Emerald Lake
>   dmi.board.vendor: LENOVO
>   dmi.board.version: FAB1
>   dmi.chassis.asset.tag: Asset Tag
>   dmi.chassis.type: 10
>   dmi.chassis.vendor: LENOVO
>   dmi.chassis.version: 0.1
>   dmi.modalias:
> dmi:bvnLENOVO:bvr44CN43WW:bd10/27/2011:svnLENOVO:pn1068BAU:pvrLenovoB570:rvnLENOVO:rnEmeraldLake:rvrFAB1:cvnLENOVO:ct10:cvr0.1:
>   dmi.product.name: 1068BAU
>   dmi.product.version: Lenovo B570
>   dmi.sys.vendor: LENOVO
>   version.compiz: compiz 1:0.9.10+13.10.20131011-0ubuntu1
>   version.ia32-libs: ia32-libs N/A
>   version.libdrm2: libdrm2 2.4.46-3ubuntu1
>   version.libgl1-mesa-dri: libgl1-mesa-dri 9.2.2-1ubuntu1
>   version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
>   version.libgl1-mesa-glx: libgl1-mesa-glx 9.2.2-1ubuntu1
>   version.xserver-xorg-core: xserver-xorg-core 2:1.14.3-3ubuntu3
>   version.xserver-xorg-input-evdev: xserver-xorg-input-evdev
> 1:2.7.3-0ubuntu3.1
>   version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.2.0-0ubuntu10
>   version.xserver-xorg-video-intel: xserver-xorg-video-intel
> 2:2.99.904-0ubuntu2
>   version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
> 1:1.0.9-2ubuntu1
>   xserver.bootTime: Fri Oct 25 07:34:51 2013
>   xserver.configfile: default
>   xserver.errors:
>
>   xserver.logfile: /var/log/Xorg.0.log
>   xserver.outputs:
>    product id                                 826
>    vendor                                     LGD
>   xserver.version: 2:1.14.3-3ubuntu3
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1244645/+subscriptions
>



-- 
Thanks,
Jack