On 10/06/2015 20:43, Stefan Wahren wrote:
Hi,Alexandre Belloni <alexandre.belloni@xxxxxxxxxxxxxxxxxx> hat am 6. Oktober 2015 um 16:22 geschrieben: 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> --- 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;i think it would be nice to break down the calculation of these magic values in a second patch.
Indeed, I agree. I hope Alexandre can send another patch for that soon :-)
Regards Stefan
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