This update would also fix at least bug #1881505.

Basically, my audio on Lenovo T14 was working very unreliably and jammed
with a DSP panic quite often with the 1.4.2 version, but seems to work
just fine with 1.6.

It would be great to get this update included soon, since it's very
inconvenient to reboot the laptop about 1-2 times a day, because that
seems to be the only way to get audio working after the DSP paic.

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Packages, which is subscribed to linux-firmware in Ubuntu.
https://bugs.launchpad.net/bugs/1900809

Title:
  [SRU]sof-firmware: update the sof-firmware from version v1.4.2 to v1.6

Status in linux-firmware package in Ubuntu:
  Triaged
Status in linux-firmware source package in Focal:
  Triaged
Status in linux-firmware source package in Groovy:
  Triaged

Bug description:
  BugLink: https://bugs.launchpad.net/bugs/1900809

  [Impact]
  Intel released the sof-firmware v1.6, and in our oem projects, the
  Dell TGL machines and the machines with soundwire audio need the
  new firmware, otherwise they will fail to load the firmware or
  the audio can't work well.

  [Fix]
  replace the old sof-firmware-v1.4.2 with sof-firmware-v1.6

  [Test]
  Tested on the Dell cml/tgl soundwire machines, all audio functions
  worked well, and those audio functions didn't work with old firmware.

  Tested on Lenovo dimc machines, all audio functions worked as well
  as before.

  [Regression Potential]
  Intel tested the new firmware with the 5.8 and 5.9 kernel, but we need
  the new firmware to work with 5.4 and 5.6 kernel as well, so there is
  some possibility that the 5.4/5.6 kernel can't work well with the new
  sof-firmware. I have tested the new firmware with 5.4/5.6 kernel on some
  Lenovo machines, so far no issues were found.

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