Public bug reported:

Analog microphon is not working on Ubuntu 11.10 upgrade 32bit machine.
The same microphon works OK on the same machine running Ubuntu 10.10
upgrade on 64bit. I am suspecting some alsa configuration problem.

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: alsa-base 1.0.24+dfsg-0ubuntu2
ProcVersionSignature: Ubuntu 3.0.0-11.18-generic-pae 3.0.4
Uname: Linux 3.0.0-11-generic-pae i686
NonfreeKernelModules: nvidia
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
AplayDevices:
 **** List of PLAYBACK Hardware Devices ****
 card 0: NVidia [HDA NVidia], device 0: VT1705 Analog [VT1705 Analog]
   Subdevices: 2/2
   Subdevice #0: subdevice #0
   Subdevice #1: subdevice #1
ApportVersion: 1.23-0ubuntu1
Architecture: i386
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: NVidia [HDA NVidia], device 0: VT1705 Analog [VT1705 Analog]
   Subdevices: 2/2
   Subdevice #0: subdevice #0
   Subdevice #1: subdevice #1
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  makis      7695 F.... pulseaudio
Card0.Amixer.info:
 Card hw:0 'NVidia'/'HDA NVidia at 0xf9ef8000 irq 22'
   Mixer name   : 'VIA VT1705'
   Components   : 'HDA:11064397,18490397,00100000'
   Controls      : 28
   Simple ctrls  : 17
CheckboxSubmission: 8c78e81029335eee8ba367ade6606216
CheckboxSystem: daed2f3d6643b4a84b4520a2427f8c2b
Date: Fri Sep 23 23:14:27 2011
PackageArchitecture: all
ProcEnviron:
 PATH=(custom, user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaRecordingTest: ALSA recording test through plughw:NVidia failed
Symptom_Card: Internal Audio - HDA NVidia
Symptom_Jack: Pink Mic, Rear
Symptom_Type: Only some of inputs are working
Title: [To Be Filled By O.E.M., VIA VT1705, Pink Mic, Rear] Recording problem
UpgradeStatus: Upgraded to oneiric on 2011-09-22 (0 days ago)
dmi.bios.date: 07/17/2009
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P1.50
dmi.board.name: N68-S
dmi.board.vendor: ASRock
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvrP1.50:bd07/17/2009:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnN68-S:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: To Be Filled By O.E.M.
dmi.product.version: To Be Filled By O.E.M.
dmi.sys.vendor: To Be Filled By O.E.M.

** Affects: alsa-driver (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386 oneiric running-unity

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https://bugs.launchpad.net/bugs/857832

Title:
  [To Be Filled By O.E.M., VIA VT1705, Pink Mic, Rear] Recording problem

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