alsa/hda/realtek: The microphone and mic of headset are uesless on a ThinkCentre

Bug #1842998 reported by Hui Wang on 2019-09-06
This bug affects 1 person
Affects Status Importance Assigned to Milestone
HWE Next
linux (Ubuntu)
Hui Wang
linux-oem (Ubuntu)

Bug Description

This machine user a new realtek codec and has two
front mics, the PA can't handle two front mics, then it
can't record sound via these two mics.

Apply an existing fixup to fix this issue.

[Test Case]
After applying the patch, plug an external mic or headset-mic
to the mic jack or headset jack, system can detect them and can
record the sound from it too.

[Regression Risk]
Low. just add an existing fixup to this new machine.

Hui Wang ( on 2019-09-06
tags: added: originate-from-1839556 sutton
Hui Wang ( on 2019-09-06
description: updated
Changed in linux (Ubuntu):
importance: Undecided → High

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 1842998

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
AceLan Kao (acelankao) on 2019-09-06
Changed in linux-oem (Ubuntu Bionic):
status: New → Fix Committed
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