Ezequiel García <elezegarcia@xxxxxxxxx> writes: > I find hard that userspace is who opens the device in this particular case, > because I get the "open" call just by plugging in the usb, right after > usb_probe. > (unless there is a daemon, or udev opens the device for module > insertion or something). Typical V4L rules have something like this in /lib/udev/rules.d/60-persistent-v4l.rules : IMPORT{program}="v4l_id $tempnode" So yes, looks like udev will open your device when it's plugged. Bjørn _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies