void usbhid_close(struct hid_device *hid);
int usbhid_open(struct hid_device *hid);
void usbhid_init_reports(struct hid_device *hid);
-void usbhid_submit_report
-(struct hid_device *hid, struct hid_report *report, unsigned char dir);
int usbhid_get_power(struct hid_device *hid);
void usbhid_put_power(struct hid_device *hid);
struct usb_interface *usbhid_find_interface(int minor);