This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 2011623
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/2011623
Title:
[Lenovo Ideapad 310][80SM, Conexant CX20751/2, Mic, Internal] Inverted
internal microphone
Status in linux package in Ubuntu:
Incomplete
Bug description:
The internal mic does not work out-of-the-box. The recorded sound is
barely audible on many apps, such as Skype, Teams, Zoom.
Quick fix is to mute one of the channel.
Same issue as described here:
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1002978
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaRecordingTest: ALSA recording test through plughw:PCH successful
Symptom_Card: Built-in Audio - HDA Intel PCH
Symptom_Jack: Mic, Internal
Symptom_PulseAudioRecordingTest: PulseAudio recording test through plughw:PCH
successful
Symptom_Type: None of the above
Tags: jammy
Title: [80SM, Conexant CX20751/2, Mic, Internal] Recording problem
Uname: Linux 5.15.0-67-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
_MarkForUpload: True
dmi.bios.date: 03/21/2016
dmi.bios.release: 1.23
dmi.bios.vendor: LENOVO
dmi.bios.version: 0XCN23WW
dmi.board.asset.tag: NO Asset Tag
dmi.board.name: Toronto 5A2
dmi.board.vendor: LENOVO
dmi.board.version: 31900002 WIN
dmi.chassis.asset.tag: NO Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Lenovo ideapad 310-15ISK
dmi.ec.firmware.release: 1.23
dmi.modalias:
dmi:bvnLENOVO:bvr0XCN23WW:bd03/21/2016:br1.23:efr1.23:svnLENOVO:pn80SM:pvrLenovoideapad310-15ISK:rvnLENOVO:rnToronto5A2:rvr31900002WIN:cvnLENOVO:ct10:cvrLenovoideapad310-15ISK:skuLENOVO_MT_80SM_BU_idea_FM_Lenovoideapad310-15ISK:
dmi.product.family: IDEAPAD
dmi.product.name: 80SM
dmi.product.sku: LENOVO_MT_80SM_BU_idea_FM_Lenovo ideapad 310-15ISK
dmi.product.version: Lenovo ideapad 310-15ISK
dmi.sys.vendor: LENOVO
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