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[Adam Lee <adam.lee@xxxxxxxxxxxxx>]

*** This bug is a duplicate of bug 1417915 ***
    https://bugs.launchpad.net/bugs/1417915

** This bug has been marked a duplicate of bug 1417915
   ThinkPad T550: thinkpad_acpi is not loaded automatically

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https://bugs.launchpad.net/bugs/1431181

Title:
  [Lenovo X250] Microphone-mute key is useless after 14.04.2 installed

Status in HWE Next Project:
  Confirmed
Status in linux-lts-utopic package in Ubuntu:
  New

Bug description:
  Steps:
  1. Install 14.04.2 on Lenovo X250
  2. Log in system
  3. Speak into your microphone.
  4. During speaking, please press the mute key for the microphone to mute it and press it again to unmute.
  5. Try to play your record.

  Expected result:
  The speech will be played back to you. The key works, your speech should be interrupted for a few seconds.
  The LED of microphone-mute key will turn on when the key is under work. Press the key again, the LED will turn off .

  Actual result:
  Microphone-mute key is useless and LED is alwasy turn off.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.16.0-31-generic 3.16.0-31.41~14.04.1
  ProcVersionSignature: Ubuntu 3.16.0-31.41~14.04.1-generic 3.16.7-ckt5
  Uname: Linux 3.16.0-31-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.7
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Thu Mar 12 02:33:43 2015
  InstallationDate: Installed on 2015-03-11 (0 days ago)
  InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
  SourcePackage: linux-lts-utopic
  UpgradeStatus: No upgrade log present (probably fresh install)

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