Public bug reported:
[Impact]
Rear audio on Lenovo ThinkStation P620 stops working on newer kernel.
[Fix]
Use helper to the correct way to disable USB autosuspend.
[Test]
With the patch applied, the rear audio on Lenovo ThinkStation P620 works
again.
[Where problems could occur]
In a rather unlikely case, if any USB audio wrongly shared same device
ID with P620' USB audios, this patch will disable autosuspend on it.
However, it won't bring any functional impact.
** Affects: hwe-next
Importance: Undecided
Status: New
** Affects: linux (Ubuntu)
Importance: Medium
Status: Confirmed
** Affects: linux-oem-5.10 (Ubuntu)
Importance: Undecided
Status: Won't Fix
** Affects: linux (Ubuntu Focal)
Importance: Undecided
Status: Won't Fix
** Affects: linux-oem-5.10 (Ubuntu Focal)
Importance: Medium
Status: Confirmed
** Tags: oem-priority originate-from-1913556 ouagadougou
** Also affects: linux (Ubuntu Focal)
Importance: Undecided
Status: New
** Also affects: linux-oem-5.10 (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Focal)
Status: New => Won't Fix
** Changed in: linux-oem-5.10 (Ubuntu)
Status: New => Won't Fix
** Changed in: linux-oem-5.10 (Ubuntu Focal)
Status: New => Confirmed
** Changed in: linux-oem-5.10 (Ubuntu Focal)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu)
Status: New => Confirmed
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
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https://bugs.launchpad.net/bugs/1917842
Title:
Fix Lenovo ThinkStation P620 rear audio
Status in HWE Next:
New
Status in linux package in Ubuntu:
Confirmed
Status in linux-oem-5.10 package in Ubuntu:
Won't Fix
Status in linux source package in Focal:
Won't Fix
Status in linux-oem-5.10 source package in Focal:
Confirmed
Bug description:
[Impact]
Rear audio on Lenovo ThinkStation P620 stops working on newer kernel.
[Fix]
Use helper to the correct way to disable USB autosuspend.
[Test]
With the patch applied, the rear audio on Lenovo ThinkStation P620 works
again.
[Where problems could occur]
In a rather unlikely case, if any USB audio wrongly shared same device
ID with P620' USB audios, this patch will disable autosuspend on it.
However, it won't bring any functional impact.
To manage notifications about this bug go to:
https://bugs.launchpad.net/hwe-next/+bug/1917842/+subscriptions
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