Public bug reported:
The internal microphone on this T410 works.
I have a splitter cable in order to use the combo audio jack with a
dedicated external microphone. This setup works on a Windows7
installation.
When viewing the information in sound settings in xubuntu, I have
Internal Microphone
Microphone (Unplugged)
Dock Microphone (Unplugged)
The internal Microphone works as expected, gains controllable.
When I select Microphone (Unplugged), with my external microphone
connected, I don't appear to get an output. However, if I tap the
screen, where the internal Mic is, the volume levels are off the chart.
If I unplug the external microphone, the same result can be observed.
It appears both 'Internal Mic', and 'Microphone (Unplugged)' are
grabbing audio from the same source (The internal microphone), just
applying a different gain to it.
Best Wishes
Xalek
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 4.4.0-38.57-generic 4.4.19
Uname: Linux 4.4.0-38-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/pcmC0D0c: xander 1205 F...m pulseaudio
/dev/snd/pcmC0D0p: xander 1205 F...m pulseaudio
/dev/snd/controlC0: xander 1205 F.... pulseaudio
CurrentDesktop: XFCE
Date: Fri Sep 30 20:07:14 2016
InstallationDate: Installed on 2016-08-21 (40 days ago)
InstallationMedia: Xubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaRecordingTest: ALSA recording test through plughw:MID failed
Symptom_Card: Built-in Audio - HDA Intel MID
Symptom_Jack: Black Mic, Right
Symptom_Type: Only some of inputs are working
Title: [2522AC1, Conexant CX20585, Black Mic, Right] Recording problem
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 02/14/2013
dmi.bios.vendor: LENOVO
dmi.bios.version: 6IET85WW (1.45 )
dmi.board.name: 2522AC1
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:bvr6IET85WW(1.45):bd02/14/2013:svnLENOVO:pn2522AC1:pvrThinkPadT410:rvnLENOVO:rn2522AC1:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 2522AC1
dmi.product.version: ThinkPad T410
dmi.sys.vendor: LENOVO
mtime.conffile..etc.modprobe.d.alsa-base.conf: 2016-09-30T13:48:19.621569
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug xenial
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https://bugs.launchpad.net/bugs/1629428
Title:
[2522AC1, Conexant CX20585, Black Mic, Right] Recording problem. Mic
Unplugged however responds to internal mic
Status in alsa-driver package in Ubuntu:
New
Bug description:
The internal microphone on this T410 works.
I have a splitter cable in order to use the combo audio jack with a
dedicated external microphone. This setup works on a Windows7
installation.
When viewing the information in sound settings in xubuntu, I have
Internal Microphone
Microphone (Unplugged)
Dock Microphone (Unplugged)
The internal Microphone works as expected, gains controllable.
When I select Microphone (Unplugged), with my external microphone
connected, I don't appear to get an output. However, if I tap the
screen, where the internal Mic is, the volume levels are off the
chart. If I unplug the external microphone, the same result can be
observed.
It appears both 'Internal Mic', and 'Microphone (Unplugged)' are
grabbing audio from the same source (The internal microphone), just
applying a different gain to it.
Best Wishes
Xalek
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 4.4.0-38.57-generic 4.4.19
Uname: Linux 4.4.0-38-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/pcmC0D0c: xander 1205 F...m pulseaudio
/dev/snd/pcmC0D0p: xander 1205 F...m pulseaudio
/dev/snd/controlC0: xander 1205 F.... pulseaudio
CurrentDesktop: XFCE
Date: Fri Sep 30 20:07:14 2016
InstallationDate: Installed on 2016-08-21 (40 days ago)
InstallationMedia: Xubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64
(20160719)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaRecordingTest: ALSA recording test through plughw:MID failed
Symptom_Card: Built-in Audio - HDA Intel MID
Symptom_Jack: Black Mic, Right
Symptom_Type: Only some of inputs are working
Title: [2522AC1, Conexant CX20585, Black Mic, Right] Recording problem
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 02/14/2013
dmi.bios.vendor: LENOVO
dmi.bios.version: 6IET85WW (1.45 )
dmi.board.name: 2522AC1
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:bvr6IET85WW(1.45):bd02/14/2013:svnLENOVO:pn2522AC1:pvrThinkPadT410:rvnLENOVO:rn2522AC1:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 2522AC1
dmi.product.version: ThinkPad T410
dmi.sys.vendor: LENOVO
mtime.conffile..etc.modprobe.d.alsa-base.conf: 2016-09-30T13:48:19.621569
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