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[Bug 1339998] Re: [Dell Latitude 12 Rugged Extreme 7204] Microphone mute key does not work


I uploaded an SRU to the trusty review queue with the latest upstream
keymaps which include the fix for this bug. Note that accepting the SRU
is currently blocked on verifying the current SRU in trusty-proposed
(bug 1367883).

** Changed in: systemd (Ubuntu Trusty)
       Status: New => In Progress

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  [Dell Latitude 12 Rugged Extreme 7204] Microphone mute key does not

Status in HWE Next Project:
  Fix Released
Status in HWE Next trusty series:
Status in HWE Next utopic series:
  Fix Released
Status in OEM Priority Project:
Status in OEM Priority Project trusty series:
  In Progress
Status in “linux” package in Ubuntu:
  Fix Released
Status in “systemd” package in Ubuntu:
  Fix Released
Status in “linux” source package in Trusty:
Status in “systemd” source package in Trusty:
  In Progress

Bug description:
  CID: 201402-14663 Dell Latitude 12 Rugged Extreme

  The microphone mute key does not work on this system, so as its LED

  1. Install 14.04 + update (3.13.0-30), boot to desktop
  2. Try to mute the microphone with the hotkey (fn+F4)

  Expected results:
  * Mic mute key should work, its LED should be lit and the "Mute" option for input device should be ticked after you press the mic mute key.

  Actual result:
  * Nothing happened.

  Debugging information:
  ubuntu@201402-14663:~$ sudo showkey -k
  kb mode was ?UNKNOWN?
  [ if you are trying this under X, it might not work
  since the X server is also reading /dev/console ]

  press any key (program terminates 10s after last keypress)...
  keycode  28 release
  keycode 248 press
  keycode 248 release
  keycode 248 press
  keycode 248 release
  keycode 248 press
  keycode 248 release
  keycode  29 press
  ^Ccaught signal 2, cleaning up...

  xev cannot detect any microphone mute key event

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-30-generic 3.13.0-30.55
  ProcVersionSignature: Ubuntu 3.13.0-30.55-generic
  Uname: Linux 3.13.0-30-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.2
  Architecture: amd64
   /dev/snd/controlC1:  ubuntu     1501 F.... pulseaudio
   /dev/snd/controlC0:  ubuntu     1501 F.... pulseaudio
   country TW:
    (2402 - 2472 @ 40), (3, 27)
    (5270 - 5330 @ 40), (3, 17), DFS
    (5735 - 5815 @ 40), (3, 30)
  CurrentDesktop: Unity
  Date: Wed Jul  9 23:57:11 2014
  HibernationDevice: RESUME=UUID=b68f02ad-f5e4-4eb9-b88d-e85f60666734
  InstallationDate: Installed on 2014-07-10 (0 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  MachineType: Dell Inc. Latitude 12 Rugged Extreme (7204)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-30-generic.efi.signed root=UUID=bdd00fe9-0df9-4b71-92c5-5f94c533f725 ro quiet splash vt.handoff=7
   linux-restricted-modules-3.13.0-30-generic N/A
   linux-backports-modules-3.13.0-30-generic  N/A
   linux-firmware                             1.127.4
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 05/12/2014
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A00
  dmi.board.name: 0TH1GJ
  dmi.board.vendor: Dell Inc.
  dmi.board.version: X02
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA00:bd05/12/2014:svnDellInc.:pnLatitude12RuggedExtreme(7204):pvr01:rvnDellInc.:rn0TH1GJ:rvrX02:cvnDellInc.:ct9:cvr:
  dmi.product.name: Latitude 12 Rugged Extreme (7204)
  dmi.product.version: 01
  dmi.sys.vendor: Dell Inc.

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