Public bug reported:

No sound is recorded through the internal mic on my Acer W500 tablet.

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: alsa-base 1.0.24+dfsg-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic i686
NonfreeKernelModules: fglrx
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: i386
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 1: SB [HDA ATI SB], device 0: ALC269VB Analog [ALC269VB Analog]
   Subdevices: 0/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC1:  stuartm    1496 F.... pulseaudio
 /dev/snd/pcmC1D0c:   stuartm    1496 F...m pulseaudio
Card0.Amixer.info:
 Card hw:0 'Generic'/'HD-Audio Generic at 0x90144000 irq 40'
   Mixer name   : 'ATI R6xx HDMI'
   Components   : 'HDA:1002aa01,00aa0100,00100200'
   Controls      : 4
   Simple ctrls  : 1
Card0.Amixer.values:
 Simple mixer control 'IEC958',0
   Capabilities: pswitch pswitch-joined penum
   Playback channels: Mono
   Mono: Playback [on]
Card1.Amixer.info:
 Card hw:1 'SB'/'HDA ATI SB at 0x90140000 irq 16'
   Mixer name   : 'Realtek ALC269VB'
   Components   : 'HDA:10ec0269,10250577,00100100'
   Controls      : 12
   Simple ctrls  : 7
Date: Mon Jun 27 12:23:23 2011
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
PackageArchitecture: all
ProcEnviron:
 LANGUAGE=en_GB:en
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaRecordingTest: ALSA recording test through plughw:SB failed
Symptom_AlsaRecordingTestStderr: a r e c o r d :   p c m _ r e a d : 1 7 7 3 :  
 r e a d   e r r o r :   I n p u t / o u t p u t   e r r o r
Symptom_Card: Internal Audio - HDA ATI SB
Symptom_Jack: Mic, Internal
Symptom_Type: None of the above
Title: [ICONIA Tab W500, Realtek ALC269VB, Mic, Internal] Recording problem
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/14/2011
dmi.bios.vendor: Insyde Corp.
dmi.bios.version: V1.08
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: WT1
dmi.board.vendor: acer
dmi.board.version: Base Board Version
dmi.chassis.type: 10
dmi.chassis.vendor: Chassis Manufacturer
dmi.chassis.version: Chassis Version
dmi.modalias: 
dmi:bvnInsydeCorp.:bvrV1.08:bd04/14/2011:svnacer:pnICONIATabW500:pvrV1.08:rvnacer:rnWT1:rvrBaseBoardVersion:cvnChassisManufacturer:ct10:cvrChassisVersion:
dmi.product.name: ICONIA Tab W500
dmi.product.version: V1.08
dmi.sys.vendor: acer

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


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

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https://bugs.launchpad.net/bugs/802483

Title:
  [ICONIA Tab W500, Realtek ALC269VB, Mic, Internal] Recording problem

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