I am trying to identify a /dev/video camera by the USB vendor:product IDs and I learned that the sysfs has that information, e.g.: cat /sys/class/video4linux/video0/device/input/input17/id/vendor cat /sys/class/video4linux/video0/device/input/input17/id/product However, as you can see, in my example I have the child .../input/input17/... and that number seems to be different for all the […]