From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-out.m-online.net ([212.18.0.10]:59588 "EHLO mail-out.m-online.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752963AbbJFXNw (ORCPT ); Tue, 6 Oct 2015 19:13:52 -0400 Message-ID: <561455AC.60504@denx.de> Date: Wed, 07 Oct 2015 01:13:48 +0200 From: Marek Vasut MIME-Version: 1.0 To: Alexandre Belloni CC: Jonathan Cameron , Lars-Peter Clausen , linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] iio: mxs-lradc: Fix temperature offset References: <1444141347-15301-1-git-send-email-alexandre.belloni@free-electrons.com> In-Reply-To: <1444141347-15301-1-git-send-email-alexandre.belloni@free-electrons.com> Content-Type: text/plain; charset=utf-8; format=flowed Sender: linux-iio-owner@vger.kernel.org List-Id: linux-iio@vger.kernel.org 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 > Signed-off-by: Alexandre Belloni Nice find :-) Acked-by: Marek Vasut (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; > } >