hwmon/adm1029

@@ -170,7 +170,8 @@
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct adm1029_data *data = adm1029_update_device(dev);
 	u16 val;
-	if (data->fan[attr->index] == 0 || data->fan_div[attr->index] == 0
+	if (data->fan[attr->index] == 0 
+	    || (data->fan_div[attr->index] & 0xC0) == 0
 	    || data->fan[attr->index] == 255) {
 		return sprintf(buf, "0\n");
 	}

@@ -185,7 +186,7 @@
 {
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct adm1029_data *data = adm1029_update_device(dev);
-	if (data->fan_div[attr->index] == 0)
+	if ( (data->fan_div[attr->index] & 0xC0) == 0)
 		return sprintf(buf, "0\n");
 	return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[attr->index]));
 }