Public bug reported:
I am running Natty (11.04) doing multiple updates daily.
The internal mic in my Lenovo Thinkpad 13" (Intel) did not work until I
added the "thinkpad" option to snd-hda-intel like this:
----%<----
/etc/modprobe.d/alsa-base.conf:options snd-hda-intel model=thinkpad
----%<----
As of yesterday, (2011-03-24) my mic is silent again. Skype, empathy
video chat all worked, but now that's over..
ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: alsa-base 1.0.24+dfsg-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-7.38-generic 2.6.38
Uname: Linux 2.6.38-7-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
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: richard 12897 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xf0800000 irq 48'
Mixer name : 'Intel Cantiga HDMI'
Components : 'HDA:14f15066,17aa21b4,00100300
HDA:80862802,80860101,00100000'
Controls : 12
Simple ctrls : 6
Card29.Amixer.info:
Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw
6YHT20WW-1.165000'
Mixer name : 'ThinkPad EC 6YHT20WW-1.165000'
Components : ''
Controls : 1
Simple ctrls : 1
Card29.Amixer.values:
Simple mixer control 'Console',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [on]
Date: Fri Mar 25 12:11:47 2011
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
SourcePackage: alsa-driver
UpgradeStatus: Upgraded to natty on 2011-03-18 (6 days ago)
dmi.bios.date: 02/05/2010
dmi.bios.vendor: LENOVO
dmi.bios.version: 6YET26WW (1.11 )
dmi.board.name: 0196RW4
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias:
dmi:bvnLENOVO:bvr6YET26WW(1.11):bd02/05/2010:svnLENOVO:pn0196RW4:pvrThinkPadEdge13"IAL#:rvnLENOVO:rn0196RW4:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 0196RW4
dmi.product.version: ThinkPad Edge 13"IAL#
dmi.sys.vendor: LENOVO
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug natty regression running-unity unity-2d
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https://bugs.launchpad.net/bugs/742246
Title:
regression: Internal microphone in thinkpad does not record
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