Hi!
first post - I just installed solus on my Asus Zenbook, and everything work apart for the audio (speakers)
As Audio device I see "dummy output", lspci identify my audio controller as

Multimedia audio controller: Intel Corporation Raptor Lake-P/U/H cAVS (rev 01)

    Check if you have the sof-firmware package installed.
    eopkg li | grep sof-firmware
    And show: inxi -A