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[Raymond <1509921@xxxxxxxxxxxxxxxxxx>]

as the driver create two input source controls for the desktop instead
of one capture source control for notebook

do this mean that the headset mic and headphone mic in second input
source control have no effect as alc_heaset_mode only use first mux_pin
to change the role of the combo jack ?

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https://bugs.launchpad.net/bugs/1509921

Title:
  [HDA-Intel - HD-Audio Generic, recording] No sound at all

Status in HWE Next:
  New
Status in alsa-driver package in Ubuntu:
  Incomplete

Bug description:
  This is a desktop box, with following ports:
  front jack: a single headset combo jack
  rear jacks: mic, speaker, line-in

  An "Analog Input" consistently show up even there is nothing plugged,
  but I'm not able to record via headset jack or rear mic jack, they all recorded with noises.

  00:01.1 Audio device [0403]: Advanced Micro Devices, Inc. [AMD/ATI] Device [1002:9840]
  00:14.2 Audio device [0403]: Advanced Micro Devices, Inc. [AMD] FCH Azalia Controller [1022:780d] (rev 02)

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu4
  ProcVersionSignature: Ubuntu 3.13.0-66.108-generic 3.13.11-ckt27
  Uname: Linux 3.13.0-66-generic x86_64
  NonfreeKernelModules: fglrx
  ApportVersion: 2.14.1-0ubuntu3.16
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  u          1824 F.... pulseaudio
   /dev/snd/controlC0:  u          1824 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Mon Oct 26 11:46:46 2015
  InstallationDate: Installed on 2015-10-23 (2 days ago)
  InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
  PackageArchitecture: all
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_AlsaRecordingTest: ALSA recording test through plughw:Generic_1 failed
  Symptom_Card: Built-in Audio - HD-Audio Generic
  Symptom_DevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  u          1824 F.... pulseaudio
   /dev/snd/controlC0:  u          1824 F.... pulseaudio
  Symptom_Type: No sound at all
  Title: [HDA-Intel - HD-Audio Generic, recording] No sound at all
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 05/21/2015
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: 1.0.0
  dmi.board.vendor: Dell Inc.
  dmi.chassis.type: 3
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: Not Specified
  dmi.modalias: dmi:bvnDellInc.:bvr1.0.0:bd05/21/2015:svnDellInc.:pnInspiron3655:pvr1.0.0:rvnDellInc.:rn:rvr:cvnDellInc.:ct3:cvrNotSpecified:
  dmi.product.name: Inspiron 3655
  dmi.product.version: 1.0.0
  dmi.sys.vendor: Dell Inc.

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