static ssize_t show_auto_pwm_max(struct device *dev, char *buf)
static ssize_t show_auto_pwm_max(struct device *dev, struct device_attribute *attr, char *buf)
static ssize_t show_auto_pwm_max(struct device *dev, char *buf){	return sprintf(buf,"%d\n", ADM1026_PWM_MAX);}