[PATCH v2] iio: humidity: hdc3020: fix temperature offset

From: Dimitri Fedrau
Date: Fri Jan 26 2024 - 08:52:58 EST


The temperature offset should be negative according to the datasheet.
Adding a minus to the existing offset results in correct temperature
calculations.

Fixes: <c9180b8e39be> ("iio: humidity: Add driver for ti HDC302x humidity sensors")
Reviewed-by: Nuno Sa <nuno.sa@xxxxxxxxxx>
Signed-off-by: Dimitri Fedrau <dima.fedrau@xxxxxxxxx>
---
Changes in V2:
- Added Fixes: tag

drivers/iio/humidity/hdc3020.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iio/humidity/hdc3020.c b/drivers/iio/humidity/hdc3020.c
index 4e3311170725..ed70415512f6 100644
--- a/drivers/iio/humidity/hdc3020.c
+++ b/drivers/iio/humidity/hdc3020.c
@@ -322,7 +322,7 @@ static int hdc3020_read_raw(struct iio_dev *indio_dev,
if (chan->type != IIO_TEMP)
return -EINVAL;

- *val = 16852;
+ *val = -16852;
return IIO_VAL_INT;

default:
--
2.39.2