Did you test he same webcam as I did (Logitech BRIO)?
If it happens for me with two laptops from different manufacturers that have 
different processors (Intel vs AMD), there is certainly something going on.
It happened on 21.10 and now happns on 22.04 LTS version of Ubuntu, so the bug 
report should be valid IMHO.
Thankfully I'm not using laptop actively, it is a really bad experience.

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https://bugs.launchpad.net/bugs/1963767

Title:
  [jammy] Microphone not working after suspend

Status in linux package in Ubuntu:
  Incomplete
Status in pulseaudio package in Ubuntu:
  Incomplete

Bug description:
  I have Logitech BRIO 4k Pro webcam connected via its USB cable to Asus
  Vivobook Pro 16X OLED M7600QE-L2014X (90NB0V71-M02190) laptop.

  On Ubuntu 21.10 after suspend (`systemctl suspend`) webcam's
  microphone stops working (device is still there, but audio level is at
  zero all the time).

  To make it work again I need to do 2 things (just one is not sufficient):
  1) Disconnect and connect webcam again to the laptop
  2) Restart pulseaudio with `pulseaudio --kill; pulseaudio --start`

  Not sure whose fault it is, likely kernel driver, but the fact that 
pulseaudio needs to be restarted is concerning as well. Reproducible 100% for 
me.
  --- 
  ProblemType: Bug
  ApportVersion: 2.20.11-0ubuntu71
  Architecture: amd64
  CasperMD5CheckResult: unknown
  CurrentDesktop: Custom
  DistroRelease: Ubuntu 21.10
  Package: pulseaudio 1:15.0+dfsg1-1ubuntu2.2
  PackageArchitecture: amd64
  Tags:  impish
  Uname: Linux 5.16.11-xanmod1 x86_64
  UnreportableReason: The running kernel is not an Ubuntu kernel
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm audio cdrom dialout dip docker libvirt lpadmin plugdev 
sambashare sudo
  _MarkForUpload: True
  --- 
  ProblemType: Bug
  ApportVersion: 2.20.11-0ubuntu82.1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  nazar-pc   1488 F.... pulseaudio
  CasperMD5CheckResult: pass
  CurrentDesktop: ubuntu:GNOME
  DistroRelease: Ubuntu 22.04
  InstallationDate: Installed on 2022-02-15 (153 days ago)
  InstallationMedia: Ubuntu 21.10 "Impish Indri" - Release amd64 (20211012)
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 003: ID 04ca:300d Lite-On Technology Corp. Atheros AR3012 
Bluetooth
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  Lsusb-t:
   /:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/6p, 5000M
   /:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/12p, 480M
       |__ Port 3: Dev 3, If 0, Class=Wireless, Driver=btusb, 12M
       |__ Port 3: Dev 3, If 1, Class=Wireless, Driver=btusb, 12M
  MachineType: Purism Librem 13 v4
  Package: pulseaudio 1:15.99.1+dfsg1-1ubuntu1
  PackageArchitecture: amd64
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=uk_UA.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 i915drmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.15.0-39-generic 
root=/dev/mapper/vgubuntu-root ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 5.15.0-39.42-generic 5.15.35
  RelatedPackageVersions:
   linux-restricted-modules-5.15.0-39-generic N/A
   linux-backports-modules-5.15.0-39-generic  N/A
   linux-firmware                             20220329.git681281e4-0ubuntu3.2
  Tags:  jammy wayland-session wayland-session
  Uname: Linux 5.15.0-39-generic x86_64
  UpgradeStatus: Upgraded to jammy on 2022-06-21 (27 days ago)
  UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 01/27/2022
  dmi.bios.release: 4.15
  dmi.bios.vendor: coreboot
  dmi.bios.version: 4.15-Purism-3
  dmi.board.name: Librem 13 v4
  dmi.board.vendor: Purism
  dmi.board.version: 1.0
  dmi.chassis.type: 9
  dmi.chassis.vendor: Purism
  dmi.ec.firmware.release: 0.0
  dmi.modalias: 
dmi:bvncoreboot:bvr4.15-Purism-3:bd01/27/2022:br4.15:efr0.0:svnPurism:pnLibrem13v4:pvr1.0:rvnPurism:rnLibrem13v4:rvr1.0:cvnPurism:ct9:cvr:sku:
  dmi.product.family: Librem 13
  dmi.product.name: Librem 13 v4
  dmi.product.version: 1.0
  dmi.sys.vendor: Purism

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