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[Brad Figg <brad.figg@xxxxxxxxxxxxx>]

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

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https://bugs.launchpad.net/bugs/1366639

Title:
  [HDA-Intel - HDA Intel PCH, microphone] Headset microphone not
  recognized

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  With my ASUS X550V laptop with the headset jack (combined headphone
  and microphone 4-ring 3.5mm jack) and Ubuntu 14.04.1, microphone is
  not detected when attached to the headset jack.

  Sound output is working fine through the headset's headphones when connected (and in Sound Settings it will switch that one only output's name from Speakers to Headphones), but it doesn't catch any sound input from the headset's mic while you tap it or speak near it.
  There are always 2 choices in Input even when the headset is not connected: "Microphone (Built-in Audio)" and "Analog Input (Built-in Audio)" shown as input devices, yet my laptop only has a single headset jack.

  If you click on any of those 2 to be the chosen input sources they
  always behave the same: they pickup sounds/taping/noise through the
  integrated mic (a hole next to the webcam), disregarding if the
  headset is connected or not.

  So, you click "Microphone (Built-in Audio)" and tap next to the webcam
  - Input levels jump, tap on headset's mic - Input levels don't move
  (normal). You click "Analog Input (Built-in Audio)" and tap next to
  the webcam - Input levels jump again (!), tap on headset's mic - Input
  levels don't move (strange!).

  I have tried with position_fix=1, model=headset-mic (for ALC270) and
  with latest DKSM.

  alsa-info.sh:
  http://www.alsa-project.org/db/?f=371e8933a7c7bdc2780d146fa4e7ecf333fb41e1

  Also "ubuntu-bug linux" output is attached.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-35-generic 3.13.0-35.62
  ProcVersionSignature: Ubuntu 3.13.0-35.62-generic 3.13.11.6
  Uname: Linux 3.13.0-35-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.14.1-0ubuntu3.3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  velja      2290 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Mon Sep  8 02:51:41 2014
  HibernationDevice: RESUME=UUID=a3fbdff6-a80a-4ef9-84ca-c05570747035
  InstallationDate: Installed on 2014-07-27 (42 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  MachineType: ASUSTeK COMPUTER INC. X550VB
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-35-generic root=/dev/mapper/ubuntu--vg-root ro quiet splash
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-35-generic N/A
   linux-backports-modules-3.13.0-35-generic  N/A
   linux-firmware                             1.127.5
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 01/22/2014
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: X550VB.217
  dmi.board.asset.tag: ATN12345678901234567
  dmi.board.name: X550VB
  dmi.board.vendor: ASUSTeK COMPUTER INC.
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: ASUSTeK COMPUTER INC.
  dmi.chassis.version: 1.0
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrX550VB.217:bd01/22/2014:svnASUSTeKCOMPUTERINC.:pnX550VB:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnX550VB:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
  dmi.product.name: X550VB
  dmi.product.version: 1.0
  dmi.sys.vendor: ASUSTeK COMPUTER INC.

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