Public bug reported:

The internal microphone works in Windows 7 but is broken in Ubuntu
11.04.

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: alsa-base 1.0.24+dfsg-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-10.46-generic 2.6.38.7
Uname: Linux 2.6.38-10-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
AplayDevices:
 **** List of PLAYBACK Hardware Devices ****
 card 0: Intel [HDA Intel], device 0: CONEXANT Analog [CONEXANT Analog]
   Subdevices: 0/1
   Subdevice #0: subdevice #0
Architecture: amd64
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: Intel [HDA Intel], device 0: CONEXANT Analog [CONEXANT Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  jim        1453 F.... pulseaudio
 /dev/snd/pcmC0D0p:   jim        1453 F...m pulseaudio
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xd6400000 irq 42'
   Mixer name   : 'Conexant CX20585'
   Components   : 'HDA:14f15069,1179fd50,00100302'
   Controls      : 9
   Simple ctrls  : 9
Date: Sat Jul 23 02:02:50 2011
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
PackageArchitecture: all
ProcEnviron:
 LANGUAGE=en_US:en
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaRecordingTest: ALSA recording test through plughw:Intel failed
Symptom_Card: Internal Audio - HDA Intel
Symptom_Jack: Mic, Internal
Symptom_Type: No sound at all
Title: [Satellite L655, Conexant CX20585, Mic, Internal] No sound at all
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 03/23/2011
dmi.bios.vendor: INSYDE
dmi.bios.version: 2.30
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: Base Board Product Name
dmi.board.vendor: Intel Corp.
dmi.board.version: Base Board Version
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: OEM Chassis Manufacturer
dmi.chassis.version: OEM Chassis Version
dmi.modalias: 
dmi:bvnINSYDE:bvr2.30:bd03/23/2011:svnTOSHIBA:pnSatelliteL655:pvrPSK2CU-00U001:rvnIntelCorp.:rnBaseBoardProductName:rvrBaseBoardVersion:cvnOEMChassisManufacturer:ct10:cvrOEMChassisVersion:
dmi.product.name: Satellite L655
dmi.product.version: PSK2CU-00U001
dmi.sys.vendor: TOSHIBA

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


** Tags: amd64 apport-bug natty running-unity

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https://bugs.launchpad.net/bugs/815006

Title:
  [Satellite L655, Conexant CX20585, Mic, Internal] No sound at all

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