Z-Star webcam issue with gspca

Hi everyone,

Here is the output I get when plugging the Z-Star webcam on debian etch (after installing gspca)

[ 193.752919] usb 2-1: new full speed USB device using uhci_hcd and address 2
[ 193.946032] usb 2-1: configuration #1 chosen from 1 choice
[ 193.950260] usb 2-1: New USB device found, idVendor=0ac8, idProduct=301b
[ 193.950276] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 193.950281] usb 2-1: Product: PC Camera
[ 193.950285] usb 2-1: Manufacturer: Vimicro Corp.
[ 195.115889] zc0301: V4L2 driver for ZC0301[P] Image Processor and Control Chip v1:1.10
[ 195.115959] usb 2-1: ZC0301[P] Image Processor and Control Chip detected (vid/pid 0x0AC8:0x301B)
[ 195.195898] usb 2-1: No supported image sensor detected
[ 195.195992] usbcore: registered new interface driver zc0301
[ 195.269743] gspca: main v2.1.2 registered
[ 195.629504] usbcore: registered new interface driver zc3xx
[ 195.849412] gspca: disagrees about version of symbol video_devdata
[ 195.849433] gspca: Unknown symbol video_devdata
[ 195.850119] gspca: disagrees about version of symbol video_unregister_device
[ 195.850124] gspca: Unknown symbol video_unregister_device
[ 195.850350] gspca: disagrees about version of symbol video_device_alloc
[ 195.850354] gspca: Unknown symbol video_device_alloc
[ 195.850441] gspca: disagrees about version of symbol video_register_device
[ 195.850445] gspca: Unknown symbol video_register_device
[ 195.850942] gspca: disagrees about version of symbol video_device_release
[ 195.850946] gspca: Unknown symbol video_device_release

What would be the cause?

BTW, I am working on a 2.6.25 kernel from backports.

Regards

--
If the only tool you have is a hammer, you will see every problem as a nail