[Bug 2049569] Re: Enable the mic-mute led on Dell MTL laptops

[Łukasz Zemczak]

Hello Chris, or anyone else affected,

Accepted firmware-sof into jammy-proposed. The package will build now
and be available at https://launchpad.net/ubuntu/+source/firmware-
sof/2.0-1ubuntu4.6 in a few hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.  Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, what testing has been
performed on the package and change the tag from verification-needed-
jammy to verification-done-jammy. If it does not fix the bug for you,
please add a comment stating that, and change the tag to verification-
failed-jammy. In either case, without details of your testing we will
not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance for helping!

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

** Changed in: firmware-sof (Ubuntu Jammy)
       Status: Confirmed => Fix Committed

** Tags added: verification-needed verification-needed-jammy

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https://bugs.launchpad.net/bugs/2049569

Title:
  Enable the mic-mute led on Dell MTL laptops

Status in HWE Next:
  New
Status in firmware-sof package in Ubuntu:
  Fix Released
Status in linux package in Ubuntu:
  Fix Released
Status in linux-oem-6.5 package in Ubuntu:
  Invalid
Status in firmware-sof source package in Jammy:
  Fix Committed
Status in linux source package in Jammy:
  Invalid
Status in linux-oem-6.5 source package in Jammy:
  Fix Released
Status in firmware-sof source package in Noble:
  Fix Released
Status in linux source package in Noble:
  Fix Released
Status in linux-oem-6.5 source package in Noble:
  Invalid

Bug description:
  [SRU Justifications]

  ========== kernels ==========

  [Impact]
  On Dell's Precision 3550, Intel MTL platform, the MIC-Mute function is working but the LED(on F4) state is not changed accordingly.

  [Fix]
  There's no problem on the same series on RPL platform. It needs MTL specific SoF driver and controls to support the registered mixer switch. It requires the patches in https://lore.kernel.org/all/20230919103115.30783-1-peter.ujfalusi@linux.intel.com/ and https://lore.kernel.org/all/20230814232325.86397-1-pierre-louis.bossart@linux.intel.com/

  [Test Case]
  1. press mic-mute hot-key and check if mic-mute is enabled or not by the OSD icon.
  2. The mic-mute led should be ON when mic-mute enabled, OFF when disabled.

  [Where problems could occur]
  It's only required for new sof-audio-pci-intel-mtl driver. The impact should be restricting.

  ========== firmware-sof ==========

  [Impact]
  The mic-mute led not working on Intel MTL powered laptops.

  [Fix]
  For firmware-sof, it required the upstream commit fdc884baa4b3 ("Add sof-ipc4-v2.8.1/mtl/, intel-signed + community") and the sof-hda-generic-2ch.tplg from v2.8.1 to make sure the ipc4 topology and control matches with the updated driver.

  [Test Case]
  1. enable -proposed pocket and install firmware-sof-signed
  2. press mic-mute hot-key and check if mic-mute is enabled or not by the OSD icon.

  [Where problems could occur]
  The updated sof-mtl.ri and the sof-hda-generic-2ch.tplg are shared by all Intel MTL platforms. Need to verify audio function on MTL enpowered machines.

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