From 7b8dc11c0a830caa0d890c603d597161c6c26095 Mon Sep 17 00:00:00 2001 From: Dimitri Fedrau Date: Thu, 16 Oct 2025 07:20:38 +0200 Subject: [PATCH] iio: humditiy: hdc3020: fix units for temperature and humidity measurement According to the ABI the units after application of scale and offset are milli degrees for temperature measurements and milli percent for relative humidity measurements. Currently the resulting units are degree celsius for temperature measurements and percent for relative humidity measurements. Change scale factor to fix this issue. Fixes: c9180b8e39be ("iio: humidity: Add driver for ti HDC302x humidity sensors") Reported-by: Chris Lesiak Suggested-by: Chris Lesiak Reviewed-by: Javier Carrasco Signed-off-by: Dimitri Fedrau Cc: Signed-off-by: Jonathan Cameron --- drivers/iio/humidity/hdc3020.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/iio/humidity/hdc3020.c b/drivers/iio/humidity/hdc3020.c index ffb25596d3a8b..8aa567d9aded9 100644 --- a/drivers/iio/humidity/hdc3020.c +++ b/drivers/iio/humidity/hdc3020.c @@ -301,9 +301,9 @@ static int hdc3020_read_raw(struct iio_dev *indio_dev, case IIO_CHAN_INFO_SCALE: *val2 = 65536; if (chan->type == IIO_TEMP) - *val = 175; + *val = 175 * MILLI; else - *val = 100; + *val = 100 * MILLI; return IIO_VAL_FRACTIONAL; case IIO_CHAN_INFO_OFFSET: -- 2.47.3