# lsmod | grep pvrpvrusb2               129364  0 
firmware_class          9408  1 pvrusb2
cx2341x                10820  1 pvrusb2
videodev               25952  1 pvrusb2
v4l2_common            15904  3 pvrusb2,cx2341x,videodev
v4l1_compat            12420  2 pvrusb2,videodev
tveeprom               14128  1 pvrusb2
i2c_core               20480  3 pvrusb2,tveeprom,i2c_piix4
usbcore               123272  6 pvrusb2,usb_storage,usbhid,ehci_hcd,ohci_hcd