dvb_usb_get_hexline
while ((ret = dvb_usb_get_hexline(fw, &hx, &pos)) > 0) {
EXPORT_SYMBOL(dvb_usb_get_hexline);
while ((ret = dvb_usb_get_hexline(fw, hx, &pos)) > 0) {
extern int dvb_usb_get_hexline(const struct firmware *fw, struct hexline *hx, int *pos);