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[Bug 1397699] Re: Dell Latitude 2110: Brightness keys come through two input devices


Ben Harris, thank you for reporting this and helping make Ubuntu better. Could you please execute the following command, as it will automatically gather debugging information, in a terminal:
apport-collect 1397699

** Package changed: linux-lts-utopic (Ubuntu) => linux (Ubuntu)

** Changed in: linux (Ubuntu)
   Importance: Undecided => Low

** Changed in: linux (Ubuntu)
       Status: New => Incomplete

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  Dell Latitude 2110: Brightness keys come through two input devices

Status in linux package in Ubuntu:

Bug description:
  According to <https://wiki.ubuntu.com/Hotkeys/Troubleshooting>, "If
  the events are reported by more than one input device then report a
  kernel bug (Ubuntu linux package) because it should only send the
  event on one device."  On my Latitude 2110, the brightness control
  keys (Fn+Up and Fn+Down) seem to appear through two different devices,
  /dev/input/event3 ("AT Translated Set 2 keyboard") and
  /dev/input/event4 ("Video Bus").  The keys also control the screen
  brightness, even in a text console.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.16.0-25-generic 3.16.0-25.33~14.04.2
  ProcVersionSignature: Ubuntu 3.16.0-25.33~14.04.2-generic 3.16.7
  Uname: Linux 3.16.0-25-generic i686
  ApportVersion: 2.14.1-0ubuntu3.5
  Architecture: i386
  CurrentDesktop: Unity
  Date: Sun Nov 30 17:02:52 2014
   # This is a distribution channel descriptor
   # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2010-06-09 (1635 days ago)
  InstallationMedia: Ubuntu GNU/Linux 9.10 "Karmic" - Build i386 LIVE Binary 20100121-21:52
  SourcePackage: linux-lts-utopic
  UpgradeStatus: Upgraded to trusty on 2014-08-15 (106 days ago)

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