Public bug reported:

[Impact]
Mic on Lenovo P620 can not record any sound after S3.

[Fix]
Query the connector status on system resume.

[Test]
With the patch applied, the mic in question works after S3 resume.
Also tested on some other USB audio and they also work fine.
 
[Where problems could occur]
If there's a USB audio device that doesn't like its connectors being
queried, then this may regress on those devices.
However I suspect this is the default behavior on other OSes, so it's
unlikely to happen.

** Affects: hwe-next
     Importance: Undecided
         Status: New

** Affects: linux (Ubuntu)
     Importance: Medium
         Status: Confirmed

** Affects: linux-oem-5.10 (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: linux (Ubuntu Focal)
     Importance: Undecided
         Status: Won't Fix

** Affects: linux-oem-5.10 (Ubuntu Focal)
     Importance: Medium
         Status: Confirmed

** Affects: linux (Ubuntu Hirsute)
     Importance: Medium
         Status: Confirmed

** Affects: linux-oem-5.10 (Ubuntu Hirsute)
     Importance: Undecided
         Status: Won't Fix


** Tags: oem-priority originate-from-1913556 ouagadougou

** Also affects: linux (Ubuntu Hirsute)
   Importance: Undecided
       Status: New

** 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 (Ubuntu Hirsute)
       Status: New => Confirmed

** Changed in: linux (Ubuntu Hirsute)
   Importance: Undecided => Medium

** Changed in: linux-oem-5.10 (Ubuntu Hirsute)
       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

** Tags added: oem-priority originate-from-1913556 ouagadougou

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https://bugs.launchpad.net/bugs/1921757

Title:
  Fix mic on P620 after S3 resume

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