Désolé pour ces erreurs, qui ne respectent pas votre bonne volonté et le temps que vous y consacrez.
[fran6@linux ~]$ v4l2-ctl -d /dev/video1 -l
[fran6@linux ~]$
[fran6@linux ~]$ lsusb
Bus 002 Device 006: ID 046d:c019 Logitech, Inc. Optical Tilt Wheel Mouse
Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 004: ID 0b05:1751 ASUSTek Computer, Inc. BT-253 Bluetooth Adapter
Bus 001 Device 003: ID 04f2:b071 Chicony Electronics Co., Ltd 2.0M UVC Webcam / CNF7129
Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
[fran6@linux ~]$
[fran6@linux ~]$ lsusb -t
/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M
|__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/8p, 480M
|__ Port 3: Dev 6, If 0, Class=Human Interface Device, Driver=usbhid, 1.5M
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M
|__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/6p, 480M
|__ Port 2: Dev 3, If 1, Class=Video, Driver=uvcvideo, 480M
|__ Port 2: Dev 3, If 0, Class=Video, Driver=uvcvideo, 480M
|__ Port 5: Dev 4, If 0, Class=Wireless, Driver=btusb, 12M
|__ Port 5: Dev 4, If 1, Class=Wireless, Driver=btusb, 12M
|__ Port 5: Dev 4, If 2, Class=Vendor Specific Class, Driver=, 12M
|__ Port 5: Dev 4, If 3, Class=Application Specific Interface, Driver=, 12M