From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752667AbbJFOWe (ORCPT ); Tue, 6 Oct 2015 10:22:34 -0400 Received: from down.free-electrons.com ([37.187.137.238]:52034 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752596AbbJFOWd (ORCPT ); Tue, 6 Oct 2015 10:22:33 -0400 From: Alexandre Belloni To: Jonathan Cameron Cc: Lars-Peter Clausen , Marek Vasut , linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Alexandre Belloni Subject: [PATCH] iio: mxs-lradc: Fix temperature offset Date: Tue, 6 Oct 2015 16:22:27 +0200 Message-Id: <1444141347-15301-1-git-send-email-alexandre.belloni@free-electrons.com> X-Mailer: git-send-email 2.1.4 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 0° Kelvin is actually −273.15°C, not -272.15°C. Fix the temperature offset. Reported-by: Janusz Użycki Signed-off-by: Alexandre Belloni --- 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; } -- 2.1.4