我的内置网络摄像头不再工作了。
以下是来自类似问题的一些诊断：
$ v4l2-ctl --list-devices
Cannot open device /dev/video0, exiting.
$ ls /dev/video*
ls: cannot access '/dev/video*': No such file or directory
$ lsusb
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 006: ID 8087:0aaa Intel Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 20.04.3 LTS
Release: 20.04
Codename: focal
marco@marco-Predator-P
有什么想法建议吗？