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[Po-Hsu Lin <po-hsu.lin@xxxxxxxxxxxxx>]

Also, I found that if the "Lock" option in "Brightness and Lock" was set
to off, the screen will be off every time when the lid was closed. Maybe
it's the lock event causing this issue.

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https://bugs.launchpad.net/bugs/1412329

Title:
  [Dell Latitude 3340] When closing the lid, the screen won't be off
  unless it's locked

Status in HWE Next Project:
  New
Status in linux package in Ubuntu:
  Confirmed

Bug description:
  CID: 201312-14381 Dell Latitude 3340

  With the "When the lid is closed" option set to "Do nothing".
  When closing the lid, the screen won't be off but the system will be locked. If you close the lid again, the screen will be off this time.

  Steps:
  1. Install 14.04.1 + update (3.13.0-43), change the "When the lid is closed" option to "Do nothing".
  2. Close the lid, 
  3. Open the lid
  4. Close the lid again
  5. Open the lid, unlock it, and lock it again
  6. Close the lid

  Expected result:
  * System will be locked on step 2, and the screen will be off on step 2, 4, 6

  Actual result:
  * System locked on step 2, but the screen is not off until step 4. If you lock the system manually on step 5 and close the lid, the screen will be off on step 6.

  Note that if the action for "When the lid is closed" option is set to
  "Suspend", this system would be suspended when you close it. You don't
  have to close it twice.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-43-generic 3.13.0-43.72
  ProcVersionSignature: Ubuntu 3.13.0-43.72-generic 3.13.11.11
  Uname: Linux 3.13.0-43-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.6
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  ubuntu     1509 F.... pulseaudio
   /dev/snd/controlC0:  ubuntu     1509 F.... pulseaudio
  CRDA:
   country TW:
   	(2402 - 2472 @ 40), (3, 27)
   	(5270 - 5330 @ 40), (3, 17), DFS
   	(5735 - 5815 @ 40), (3, 30)
  CurrentDesktop: Unity
  Date: Mon Jan 19 02:08:19 2015
  HibernationDevice: RESUME=UUID=82e19285-fa50-41f3-80e1-7c406fcadecd
  InstallationDate: Installed on 2015-01-09 (10 days ago)
  InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
  MachineType: Dell Inc. Latitude 3340
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-43-generic root=UUID=b43f1522-f0a6-4cb2-8358-506ba2468d5a ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-43-generic N/A
   linux-backports-modules-3.13.0-43-generic  N/A
   linux-firmware                             1.127.11
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 05/02/2014
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A02
  dmi.board.name: 4OA010
  dmi.board.vendor: Dell Inc.
  dmi.board.version: D01
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA02:bd05/02/2014:svnDellInc.:pnLatitude3340:pvr01:rvnDellInc.:rn4OA010:rvrD01:cvnDellInc.:ct9:cvr:
  dmi.product.name: Latitude 3340
  dmi.product.version: 01
  dmi.sys.vendor: Dell Inc.

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