I have generated and uploaded a complete ALSA diagnostic report using
alsa-info.sh. Here is the link: http://alsa-
project.org/db/?f=b8e3f740d83d2fa6948504aafcafb3045397e919

I’m running Zorin OS 17.3 (based on Ubuntu 22.04) with Wayland on an
iMac 27" (2017) with the Cirrus Logic CS8409 audio chip. Audio is
currently not detected by ALSA — only Dummy Output is available — and no
audio devices appear in aplay -l or arecord -l.

Let me know if any additional logs or testing would be helpful. I'm
happy to assist in debugging and validating any changes.

Thanks again for your time and work!

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https://bugs.launchpad.net/bugs/2114760

Title:
  Missing drivers for Cirrus Logic CS8409 and AMDGPU on iMac 27" (2017)
  5K

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