From: Dimitri Fedrau <dima.fedrau@gmail.com>
Date: Fri, 26 Jan 2024 13:52:26 +0000 (+0100)
Subject: iio: humidity: hdc3020: fix temperature offset
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=a69eeaad093dd2c8fd0b216c8143b380b73d672d;p=linux.git

iio: humidity: hdc3020: fix temperature offset

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@analog.com>
Signed-off-by: Dimitri Fedrau <dima.fedrau@gmail.com>
Link: https://lore.kernel.org/r/20240126135226.3977904-1-dima.fedrau@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---

diff --git a/drivers/iio/humidity/hdc3020.c b/drivers/iio/humidity/hdc3020.c
index 4e3311170725b..ed70415512f68 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: