This bug is awaiting verification that the linux-mtk/5.15.0-1030.34
kernel in -proposed solves the problem. Please test the kernel and
update this bug with the results. If the problem is solved, change the
tag 'verification-needed-jammy-linux-mtk' to 'verification-done-jammy-
linux-mtk'. If the problem still exists, change the tag 'verification-
needed-jammy-linux-mtk' to 'verification-failed-jammy-linux-mtk'.


If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.


See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!


** Tags added: kernel-spammed-jammy-linux-mtk-v2 
verification-needed-jammy-linux-mtk

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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-oem-5.14 in Ubuntu.
https://bugs.launchpad.net/bugs/1966010

Title:
  Fix audio on Zbook Studio G9

Status in HWE Next:
  Fix Released
Status in linux package in Ubuntu:
  Confirmed
Status in linux-oem-5.14 package in Ubuntu:
  Invalid
Status in linux source package in Focal:
  Won't Fix
Status in linux-oem-5.14 source package in Focal:
  Fix Released
Status in linux source package in Jammy:
  Fix Released
Status in linux-oem-5.14 source package in Jammy:
  Invalid

Bug description:
  [Impact]
  Cirrus Logic AMP still doesn't work on Zbook Studio G9. Moreoever, The
  audio mute LEDs stop working after the said SRU.

  [Fix]
  Correcly interpret the debounce time from ACPI to gpiolib, and apply the
  correct quirk for the audio mute LEDs.

  [Where problems could occur]
  It's possible that some hardwares rely on the "wrong" debounce time to
  work, however the fix is to increase the debounce time, so it's more
  forgiving than decreasing.

  The LED fix is only applied to one system, so it's specifi and won't
  cause too much trouble.

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