This bug was fixed in the package linux-oem-5.10 - 5.10.0-1021.22

---------------
linux-oem-5.10 (5.10.0-1021.22) focal; urgency=medium

  * focal/linux-oem-5.10: 5.10.0-1021.22 -proposed tracker (LP:
#1922921)

  * Display abnormal on the TGL+4k panel machines (LP: #1922885)
    - drm/i915/display: Do not allow DC3CO if PSR SF is enabled
    - SAUCE: drm/i915/display/psr: Disable DC3CO when the PSR2 is used

  * Fix mic on P620 after S3 resume (LP: #1921757)
    - ALSA: usb-audio: Carve out connector value checking into a helper
    - ALSA: usb-audio: Check connector value on resume

 -- Timo Aaltonen <timo.aalto...@canonical.com>  Wed, 07 Apr 2021
18:07:55 +0300

** Changed in: linux-oem-5.10 (Ubuntu Focal)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1920030

Title:
  Mute/Mic-mute LEDs are not work on HP 850/840/440 G8 Laptops

Status in OEM Priority Project:
  Fix Committed
Status in linux package in Ubuntu:
  Fix Committed
Status in linux-oem-5.10 package in Ubuntu:
  Invalid
Status in linux source package in Focal:
  Fix Committed
Status in linux-oem-5.10 source package in Focal:
  Fix Released
Status in linux source package in Groovy:
  Fix Committed
Status in linux-oem-5.10 source package in Groovy:
  Invalid
Status in linux source package in Hirsute:
  Fix Committed
Status in linux-oem-5.10 source package in Hirsute:
  Invalid

Bug description:
  [Impact]
  The Mute/Mic-mute LEDs are not work when muting audio-output/microphone on HP 
850/840/440 G8 laptops.

  [Fix]
  Add three realtek quirks for them.

  [Test]
  After applying the quirks, the LEDs are functioned on HP 850/840/440 G8 
laptops.

  [Where problems could occur]
  If HP ships the different system boards design with the same subsystem IDs of 
audio codec which are using different GPIO pins (different layout), then the 
quirks will not work (LEDs will not function when muting audio-output or 
microphone.

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