Also effects me, system details as follows:

Fujitsu Lifebook AH531
Ubuntu 20.04.3 LTS
Gnome 3.36.8
Uname: 5.4.0-92-generic

LSPCI output:
00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family 
High Definition Audio Controller (rev 05)
        Subsystem: Fujitsu Limited. 6 Series/C200 Series Chipset Family High 
Definition Audio Controller
        Flags: bus master, fast devsel, latency 0, IRQ 29
        Memory at f1600000 (64-bit, non-prefetchable) [size=16K]
        Capabilities: [50] Power Management version 2
        Capabilities: [60] MSI: Enable+ Count=1/1 Maskable- 64bit+
        Capabilities: [70] Express Root Complex Integrated Endpoint, MSI 00
        Capabilities: [100] Virtual Channel
        Capabilities: [130] Root Complex Link
        Kernel driver in use: snd_hda_intel
        Kernel modules: snd_hda_intel

"lsmod | grep snd_hda_intel" output:
snd_hda_intel          53248  3
snd_intel_dspcfg       28672  1 snd_hda_intel
snd_hda_codec         135168  4 
snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec_realtek
snd_hda_core           90112  5 
snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek
snd_pcm               106496  5 
snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_core
snd                    90112  16 
snd_hda_codec_generic,snd_seq,snd_seq_device,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek,snd_timer,snd_pcm,snd_rawmidi

Adding "options snd-hda-intel model=generic" to /etc/modprobe.d/alsa-
base.conf has no effect.

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https://bugs.launchpad.net/bugs/1868105

Title:
  No Sound, dummy output in settings

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