static ssize_t show_pwm1(struct device *dev, struct device_attribute *attr, char *buf)
static ssize_t show_pwm1(struct device *dev, struct device_attribute *dummy, char *buf)
static ssize_t show_pwm1(struct device *dev, struct device_attribute *attr, char *buf){	struct lm63_data *data = lm63_update_device(dev);	return sprintf(buf, "%d\n", data->pwm1_value >= 2 * data->pwm1_freq ?		       255 : (data->pwm1_value * 255 + data->pwm1_freq) /		       (2 * data->pwm1_freq));}