static ssize_t show_in(struct device *dev, char *buf, int nr)
static ssize_t show_in(struct device *dev, struct device_attribute *attr, char *buf)
static ssize_t show_in(struct device *dev, char *buf, int nr){	struct it87_data *data = it87_update_device(dev);	return sprintf(buf, "%d\n", IN_FROM_REG(data->in[nr]));}