Constant noise in the headphone on Lenovo X1 machines
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Fix Committed
|
Critical
|
Hui Wang | ||
Bionic |
Fix Released
|
Undecided
|
Unassigned | ||
Cosmic |
Fix Released
|
Undecided
|
Unassigned |
Bug Description
[Impact]
It is reported that there is constant noise on lenovo X1 machines, and after
investigating, I found this issue will happen on all Lenovo machines with the
codec alc285.
[Fix]
According to Realtek's comment, the noise comes from PC peeb in, after
disable this pin or disable the passthrough of this pin will fix the
problem.
[Test Case]
After applying this patch, we play sound on Lenovo P52, P72, X1 carbon and X1
Yoda2, no noise anymore. And this patch is confirmed to work by many other
users too (https:/
https:/
[Regression Potential]
Low. This patch only apply to several lenovo machines, and it is tested
by many users already.
Changed in linux (Ubuntu): | |
importance: | Undecided → Critical |
description: | updated |
Changed in linux (Ubuntu): | |
status: | Incomplete → Fix Committed |
Changed in linux (Ubuntu Bionic): | |
status: | New → Fix Committed |
Changed in linux (Ubuntu Cosmic): | |
status: | New → Fix Committed |
tags: |
added: verification-done-cosmic removed: verification-needed-cosmic |
tags: |
added: verification-done-bionic removed: verification-needed-bionic |
tags: | added: cscc |
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 1817263
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.