Public bug reported:

I've got two webcams: one of them is built in to my Lenovo T14s (running
Ubuntu 20.04.4), and the other is an external USB device. They used to
have obvious names: one was called something like "Integrated Camera C"
and the other was called something like "HuddleCamHD". Strangely, they
have both been renamed to be "Video Capture 4", which means I can't
easily distinguish between them when switching cameras in tools such as
Zoom or OBS Studio. Here's some output showing this:

$ v4l2-ctl --list-devices      
Video Capture 4 (usb-0000:00:14.0-5.2.3):
        /dev/video2
        /dev/video3

Video Capture 4 (usb-0000:00:14.0-8):
        /dev/video0
        /dev/video1

Likewise, I'm seeing precisely the same issue on my desktop computer,
which is also running Ubuntu 20.04.04:

Video Capture 4 (usb-0000:00:14.0-3.4.3):
        /dev/video0
        /dev/video1

I'm running kernel version 5.13.0-30. This error first occurs with
kernel version 5.13.0-28. If I boot with an earlier version, it detects
the webcam names just fine.

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.13.0-30-generic 5.13.0-30.33~20.04.1
ProcVersionSignature: Ubuntu 5.13.0-30.33~20.04.1-generic 5.13.19
Uname: Linux 5.13.0-30-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.21
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Wed Feb 23 07:09:46 2022
InstallationDate: Installed on 2020-05-08 (655 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
ProcEnviron:
 TERM=screen-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/usr/bin/zsh
SourcePackage: linux-signed-hwe-5.13
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: linux-signed-hwe-5.13 (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug focal

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Packages, which is subscribed to linux-signed-hwe-5.13 in Ubuntu.
https://bugs.launchpad.net/bugs/1961996

Title:
  Webcams no longer have correct names

Status in linux-signed-hwe-5.13 package in Ubuntu:
  New

Bug description:
  I've got two webcams: one of them is built in to my Lenovo T14s
  (running Ubuntu 20.04.4), and the other is an external USB device.
  They used to have obvious names: one was called something like
  "Integrated Camera C" and the other was called something like
  "HuddleCamHD". Strangely, they have both been renamed to be "Video
  Capture 4", which means I can't easily distinguish between them when
  switching cameras in tools such as Zoom or OBS Studio. Here's some
  output showing this:

  $ v4l2-ctl --list-devices      
  Video Capture 4 (usb-0000:00:14.0-5.2.3):
          /dev/video2
          /dev/video3

  Video Capture 4 (usb-0000:00:14.0-8):
          /dev/video0
          /dev/video1

  Likewise, I'm seeing precisely the same issue on my desktop computer,
  which is also running Ubuntu 20.04.04:

  Video Capture 4 (usb-0000:00:14.0-3.4.3):
          /dev/video0
          /dev/video1

  I'm running kernel version 5.13.0-30. This error first occurs with
  kernel version 5.13.0-28. If I boot with an earlier version, it
  detects the webcam names just fine.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: linux-image-5.13.0-30-generic 5.13.0-30.33~20.04.1
  ProcVersionSignature: Ubuntu 5.13.0-30.33~20.04.1-generic 5.13.19
  Uname: Linux 5.13.0-30-generic x86_64
  ApportVersion: 2.20.11-0ubuntu27.21
  Architecture: amd64
  CasperMD5CheckResult: skip
  CurrentDesktop: ubuntu:GNOME
  Date: Wed Feb 23 07:09:46 2022
  InstallationDate: Installed on 2020-05-08 (655 days ago)
  InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
  ProcEnviron:
   TERM=screen-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/usr/bin/zsh
  SourcePackage: linux-signed-hwe-5.13
  UpgradeStatus: No upgrade log present (probably fresh install)

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux-signed-hwe-5.13/+bug/1961996/+subscriptions


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