Sound hardware not recognized by 'Sound Settings' after pipewire install

Hi team,

I installed Endeavour on an old MacBook Pro (intel i7, 16gb) with Gnome and Wayland. For the first few days the sound was working as expected, but a few days ago the ‘Sound’ panel on the ‘Settings’ app says there are no devices found. (The UI says “Output Device : No Output Devices”) This is likely due to me installing pipewire.

Reading the forums I found another thread where someone posted diagnostics with inxi and dmesg so I’ll do the same in the hopes that it’s sufficient to get started :

inxi -Aa
Audio:
  Device-1: Intel Haswell-ULT HD Audio vendor: Apple driver: snd_hda_intel
    v: kernel bus-ID: 00:03.0 chip-ID: 8086:0a0c class-ID: 0403
  Device-2: Intel 8 Series HD Audio driver: snd_hda_intel v: kernel
    bus-ID: 00:1b.0 chip-ID: 8086:9c20 class-ID: 0403
  Device-3: Broadcom 720p FaceTime HD Camera driver: N/A pcie: gen: 2
    speed: 5 GT/s lanes: 1 bus-ID: 02:00.0 chip-ID: 14e4:1570 class-ID: 0480
  API: ALSA v: k6.6.10-arch1-1 status: kernel-api
    tools: alsactl,alsamixer,amixer
  Server-1: PipeWire v: 1.0.0 status: active with: 1: pipewire-pulse
    status: active 2: wireplumber status: off 3: pipewire-alsa type: plugin
    4: pw-jack type: plugin tools: pactl,pw-cat,pw-cli,wpctl

and dmesg :

% sudo dmesg |grep audio
[    6.289037] snd_hda_codec_cirrus hdaudioC1D0: autoconfig for CS4208: line_outs=2 (0x12/0x13/0x0/0x0/0x0) type:speaker
[    6.289044] snd_hda_codec_cirrus hdaudioC1D0:    speaker_outs=0 (0x0/0x0/0x0/0x0/0x0)
[    6.289047] snd_hda_codec_cirrus hdaudioC1D0:    hp_outs=1 (0x10/0x0/0x0/0x0/0x0)
[    6.289049] snd_hda_codec_cirrus hdaudioC1D0:    mono: mono_out=0x0
[    6.289051] snd_hda_codec_cirrus hdaudioC1D0:    dig-out=0x21/0x0
[    6.289053] snd_hda_codec_cirrus hdaudioC1D0:    inputs:
[    6.289055] snd_hda_codec_cirrus hdaudioC1D0:      Internal Mic=0x1c
[    6.289057] snd_hda_codec_cirrus hdaudioC1D0:      Mic=0x18
[    6.493785] snd_hda_intel 0000:00:03.0: bound 0000:00:02.0 (ops i915_audio_component_bind_ops [i915])

What should I be looking at to get my audio operational again?
Thank you for taking the time to read this far, your consideration is appreciated.

Update - I’ve update my install to the latest version of everything and it seems that there is now a “dummy output” that I can select. This is cool because Firefox will crash if it tries to play audio and there is no valid device; the dummy device seems to keep Firefox happy. But still - I have no clue as to how to get my sound working again - looks like I might even have to reinstall (?)