diff options
author | Jonathan Cameron <jic23@cam.ac.uk> | 2009-12-16 21:38:28 +0100 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-01-06 14:26:39 -0800 |
commit | 0b8d9a7c4ac4e90adf8a499d91ebc9ca4513f295 (patch) | |
tree | 13eaaf8f0a8ab01fe4080e441ab198d38e412fa7 /drivers | |
parent | cdbb74a7b9d18c0a3f99c5e242fce12456a52899 (diff) |
hwmon: (sht15) Off-by-one error in array index + incorrect constants
commit 4235f684b66d6f00d2cd8849c884cf8f8b57ecad upstream.
Fix an off-by-one error in array index + incorrect constants.
Signed-off-by: Christoph Walser <walser@tik.ee.ethz.ch>
Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers')
-rw-r--r-- | 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 6290a259456e..e828d17e9318 100644 --- a/drivers/hwmon/sht15.c +++ b/drivers/hwmon/sht15.c @@ -304,7 +304,7 @@ 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) @@ -331,12 +331,12 @@ 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; } |