static ssize_t dio_show_secid(struct device *dev, char *buf)
static ssize_t dio_show_secid(struct device *dev, struct device_attribute *attr, char *buf)
static ssize_t dio_show_secid(struct device *dev, char *buf){	struct dio_dev *d;	d = to_dio_dev(dev);	return sprintf(buf, "0x%02x\n", ((d->id >> 8)& 0xff));}