Continuing the discussion from Sound from speakers no sound from 3.5mm jack-audio:
Your hardware is completely different to original discussion.
sof-firmware to support digital microphone array on Intel laptops would not work on an AMD laptop
alsa-info.sh data for working audio is showing ALSA module
and a 2nd audio capture device
**** List of CAPTURE Hardware Devices **** card 1: Generic_1 [HD-Audio Generic], device 0: CX8070 Analog [CX8070 Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 card 2: acp [acp], device 0: DMIC capture dmic-hifi-0  Subdevices: 1/1 Subdevice #0: subdevice #0
phoronix.com - Linux 5.8 Sound Changes Bring New AMD Renoir ACP Driver
AMD Renoir (Ryzen 4000 mobile) Audio Co-Processor (ACP) support. This Renoir ACP support is coming via a brand new driver
post on Arch forum (Microphone not working on Thinkpad T14s)
Linux 5.8 is already in testing as well. And the relevant module should be available.
pulseaudio from testing might be the key.
suggest check both installed OS with
fresh Manjaro install would respond
pulseaudio-git was installed, response would be