[pascal@book1 ~]$ ls -l /sys/class/video4linux/
total 0
lrwxrwxrwx. 1 root root 0 13 oct.  18:02 video0 -> ../../devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4.2/1-4.2:1.0/video4linux/video0
lrwxrwxrwx. 1 root root 0 13 oct.  18:02 video1 -> ../../devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4.2/1-4.2:1.0/video4linux/video1
[pascal@book1 ~]$ lsusb
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 005: ID 04f2:b5a9 Chicony Electronics Co., Ltd
Bus 001 Device 004: ID 8087:0a2a Intel Corp.
Bus 001 Device 003: ID 05e3:0608 Genesys Logic, Inc. Hub
Bus 001 Device 002: ID 04f3:0755 Elan Microelectronics Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
[pascal@book1 ~]$ ls -l /sys/class/video4linux/video*/device/driver
lrwxrwxrwx. 1 root root 0 13 oct.  18:00 /sys/class/video4linux/video0/device/driver -> ../../../../../../../bus/usb/drivers/uvcvideo
lrwxrwxrwx. 1 root root 0 13 oct.  18:00 /sys/class/video4linux/video1/device/driver -> ../../../../../../../bus/usb/drivers/uvcvideo