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[lohapuk <lohapuk@xxxxxxxxx>]

Ok I have just installed 3.13.0-031300rc7-generic and now on resume the
brightness is set to full but the keyboard buttons to control brightness
turn the backlight on or off. They do not change the birghtness in
increments like before resuming the machine.

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https://bugs.launchpad.net/bugs/1266070

Title:
  [MacBookAir6,2] Brightness controls after suspend

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  The resume buttons do not work after you place the machine in suspend.
  You can tell the machine is on as if you place a bright light on the
  screen you can see the desktop.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.12.0-7-generic 3.12.0-7.15
  ProcVersionSignature: Ubuntu 3.12.0-7.15-generic 3.12.4
  Uname: Linux 3.12.0-7-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.12.7-0ubuntu3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  srj        1518 F.... pulseaudio
   /dev/snd/controlC0:  srj        1518 F.... pulseaudio
  CurrentDesktop: XFCE
  CurrentDmesg: [   23.235024] init: anacron main process (1016) killed by TERM signal
  Date: Sat Jan  4 17:48:15 2014
  EcryptfsInUse: Yes
  HibernationDevice: RESUME=UUID=e52a76aa-5a80-4266-851d-7fc0b3670f57
  InstallationDate: Installed on 2013-12-19 (16 days ago)
  InstallationMedia: Xubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20131217)
  MachineType: Apple Inc. MacBookAir6,2
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.12.0-7-generic.efi.signed root=UUID=38275e35-c5d2-41ef-932b-7f955fda2a29 ro libata.force=1:noncq quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.12.0-7-generic N/A
   linux-backports-modules-3.12.0-7-generic  N/A
   linux-firmware                            1.119
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 09/27/2013
  dmi.bios.vendor: Apple Inc.
  dmi.bios.version: MBA61.88Z.0099.B04.1309271229
  dmi.board.asset.tag: Base Board Asset Tag#
  dmi.board.name: Mac-7DF21CB3ED6977E5
  dmi.board.vendor: Apple Inc.
  dmi.board.version: MacBookAir6,2
  dmi.chassis.type: 10
  dmi.chassis.vendor: Apple Inc.
  dmi.chassis.version: Mac-7DF21CB3ED6977E5
  dmi.modalias: dmi:bvnAppleInc.:bvrMBA61.88Z.0099.B04.1309271229:bd09/27/2013:svnAppleInc.:pnMacBookAir6,2:pvr1.0:rvnAppleInc.:rnMac-7DF21CB3ED6977E5:rvrMacBookAir6,2:cvnAppleInc.:ct10:cvrMac-7DF21CB3ED6977E5:
  dmi.product.name: MacBookAir6,2
  dmi.product.version: 1.0
  dmi.sys.vendor: Apple Inc.

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