Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph...
[pandora-kernel.git] / drivers / hwmon / sht15.c
index 6b2d8ae..a610e78 100644 (file)
@@ -303,13 +303,13 @@ error_ret:
  **/
 static inline int sht15_calc_temp(struct sht15_data *data)
 {
-       int d1 = 0;
+       int d1 = temppoints[0].d1;
        int i;
 
-       for (i = 1; i < ARRAY_SIZE(temppoints); i++)
+       for (i = ARRAY_SIZE(temppoints) - 1; i > 0; i--)
                /* Find pointer to interpolate */
                if (data->supply_uV > temppoints[i - 1].vdd) {
-                       d1 = (data->supply_uV/1000 - temppoints[i - 1].vdd)
+                       d1 = (data->supply_uV - temppoints[i - 1].vdd)
                                * (temppoints[i].d1 - temppoints[i - 1].d1)
                                / (temppoints[i].vdd - temppoints[i - 1].vdd)
                                + temppoints[i - 1].d1;
@@ -542,7 +542,12 @@ static int __devinit sht15_probe(struct platform_device *pdev)
 /* If a regulator is available, query what the supply voltage actually is!*/
        data->reg = regulator_get(data->dev, "vcc");
        if (!IS_ERR(data->reg)) {
-               data->supply_uV = regulator_get_voltage(data->reg);
+               int voltage;
+
+               voltage = regulator_get_voltage(data->reg);
+               if (voltage)
+                       data->supply_uV = voltage;
+
                regulator_enable(data->reg);
                /* setup a notifier block to update this if another device
                 *  causes the voltage to change */