hwmon: (asus_atk0110) Fix upper limit readings

On newer Asus boards the "upper" limit of a sensor is encoded as
delta from the "lower" limit. Fix the driver to correctly handle
this case.

Signed-off-by: Luca Tettamanti <kronos.it@gmail.com>
Tested-by: Alex Macfarlane Smith <nospam@archifishal.co.uk>
Signed-off-by: Jean Delvare <khali@linux-fr.org>

diff --git a/drivers/hwmon/asus_atk0110.c b/drivers/hwmon/asus_atk0110.c
index bff0103..fe4fa29 100644 (file)
--- a/drivers/hwmon/asus_atk0110.c
+++ b/drivers/hwmon/asus_atk0110.c
@@ -593,7 +593,11 @@ static int atk_add_sensor(struct atk_data *data, union acpi_object *obj)
        sensor->data = data;
        sensor->id = flags->integer.value;
        sensor->limit1 = limit1->integer.value;
-       sensor->limit2 = limit2->integer.value;
+       if (data->old_interface)
+               sensor->limit2 = limit2->integer.value;
+       else
+               /* The upper limit is expressed as delta from lower limit */
+               sensor->limit2 = sensor->limit1 + limit2->integer.value;
 
        snprintf(sensor->input_attr_name, ATTR_NAME_SIZE,
                        "%s%d_input", base_name, start + *num);