Signed-off-by: Christoph Walser <walser@xxxxxxxxxxxxxx>
Signed-off-by: Jonathan Cameron <jic23@xxxxxxxxx>
---
Christoph noticed some problems with the sht15 driver and was kind enough
to send me a patch. If no one has any issues with this, it should also go
in stable once it merges with mainline.
Sorry all. Typo in Christoph's email adress in previous version.
drivers/hwmon/sht15.c | 6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/hwmon/sht15.c b/drivers/hwmon/sht15.c
index ebe38b6..864a371 100644
--- a/drivers/hwmon/sht15.c
+++ b/drivers/hwmon/sht15.c
@@ -305,7 +305,7 @@ static inline int sht15_calc_temp(struct sht15_data *data)
int d1 = 0;
int i;
- for (i = 1; i < ARRAY_SIZE(temppoints) - 1; i++)
+ for (i = 1; i < ARRAY_SIZE(temppoints); i++)
/* Find pointer to interpolate */
if (data->supply_uV > temppoints[i - 1].vdd) {
d1 = (data->supply_uV/1000 - temppoints[i - 1].vdd)
@@ -332,12 +332,12 @@ static inline int sht15_calc_humid(struct sht15_data *data)
const int c1 = -4;
const int c2 = 40500; /* x 10 ^ -6 */
- const int c3 = 2800; /* x10 ^ -9 */
+ const int c3 = -2800; /* x10 ^ -9 */
RHlinear = c1*1000
+ c2 * data->val_humid/1000
+ (data->val_humid * data->val_humid * c3)/1000000;
- return (temp - 25000) * (10000 + 800 * data->val_humid)
+ return (temp - 25000) * (10000 + 80 * data->val_humid)
/ 1000000 + RHlinear;
}
--
1.6.4.4
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