Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: alsa-driver (Ubuntu)
       Status: New => Confirmed

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  [PC-2170, Realtek ALC255, No microphone at all

Status in alsa-driver package in Ubuntu:

Bug description:
  cant get the microphone to work at all.  mic works fine in my phone
  and other computers - not in here.  mic is on my headphones - 3 way
  mini jack

  Alsamixer reports no capture device

  ProblemType: Bug
  DistroRelease: Ubuntu 17.10
  Package: alsa-base 1.0.25+dfsg-0ubuntu5
  ProcVersionSignature: Ubuntu 4.13.0-16.19-generic 4.13.4
  Uname: Linux 4.13.0-16-generic x86_64
  ApportVersion: 2.20.7-0ubuntu3.1
  Architecture: amd64
   /dev/snd/controlC0:  neil       1212 F.... pulseaudio
  CurrentDesktop: ubuntu:GNOME
  Date: Fri Oct 27 23:16:15 2017
  InstallationDate: Installed on 2017-10-21 (6 days ago)
  InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20171018)
  PackageArchitecture: all
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH failed
  Symptom_Card: Built-in Audio - HDA Intel PCH
   /dev/snd/controlC0:  gdm         855 F.... pulseaudio
                        neil       1212 F.... pulseaudio
  Symptom_Jack: Black Headphone Out, Rear
  Symptom_Type: No microphone at all
  Title: [PC-2170, Realtek ALC255, Black Headphone Out, Rear] No microphone at 
  UpgradeStatus: No upgrade log present (probably fresh install) 02/20/2017
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: F4
  dmi.board.asset.tag: Default string MFLP7AP-00
  dmi.board.vendor: GIGABYTE
  dmi.board.version: 1.x
  dmi.chassis.asset.tag: 7430791-001
  dmi.chassis.type: 9
  dmi.chassis.vendor: NOVATECH LTD
  dmi.chassis.version: V1.0
dmi:bvnAmericanMegatrendsInc.:bvrF4:bd02/20/2017:svnNOVATECHLTD:pnPC-2170:pvrV1.0:rvnGIGABYTE:rnMFLP7AP-00:rvr1.x:cvnNOVATECHLTD:ct9:cvrV1.0: AMI PLATFORM PC-2170
  dmi.product.version: V1.0
  dmi.sys.vendor: NOVATECH LTD

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