Re: [PATCH] iio: mxs-lradc: Fix temperature offset

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On 10/06/2015 16:22, Alexandre Belloni wrote:
0° Kelvin is actually −273.15°C, not -272.15°C. Fix the temperature offset.

Reported-by: Janusz Użycki <j.uzycki@xxxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxxxxxxxxx>

Nice find :-)

Acked-by: Marek Vasut <marex@xxxxxxx>

(I am using different MUA, please pardon the possible issues)

---
  drivers/staging/iio/adc/mxs-lradc.c | 6 +++---
  1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/iio/adc/mxs-lradc.c b/drivers/staging/iio/adc/mxs-lradc.c
index 3f7715c9968b..67bfa54c4fb1 100644
--- a/drivers/staging/iio/adc/mxs-lradc.c
+++ b/drivers/staging/iio/adc/mxs-lradc.c
@@ -916,10 +916,10 @@ static int mxs_lradc_read_raw(struct iio_dev *iio_dev,
  		if (chan->type == IIO_TEMP) {
  			/* The calculated value from the ADC is in Kelvin, we
  			 * want Celsius for hwmon so the offset is
-			 * -272.15 * scale
+			 * -273.15 * scale
  			 */
-			*val = -1075;
-			*val2 = 691699;
+			*val = -1079;
+			*val2 = 644268;

  			return IIO_VAL_INT_PLUS_MICRO;
  		}


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