On 20:00 Fri 02 Jan , niamathullah sharief wrote: > > Thanks alexanderafter i install my webcam in the USB port i saw the below modules are installed > zc0301 > compat_ioctl32 > gspca > videodev > v4l2_common > v4l1_compat...Here gspca is a generic driver for all webcam...i saw that the "Zc0301" also loaded and this "gspca" also loaded...why it happens?and can you tell me what are all the uses os all this modules...why it all installed after i inserted mt webcam..sorry..cause i am novice.... You have already asked here about symbol tables and modules dependencies. If, say zc0301, requires a function from v4l2_common, modprobe will load v4l2_common as well. gspca is not a generic drivers, AFAIK it's just a supporting layer for a group of similar webcams. It's surprising for me why gspca is loaded. I'm not so familiar with V4L2 internals and I can't exactly tell you what are v4l2_common and videodev for. But v4l1_compat is obviously a compatibility layer (I've already mentioned it) for userspace programs that don't support V4L2, but only support V4L (a previous version). Alexander -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ
