From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.kernel.org ([198.145.29.99]:36150 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934454AbeCGUuf (ORCPT ); Wed, 7 Mar 2018 15:50:35 -0500 Date: Wed, 7 Mar 2018 20:50:30 +0000 From: Jonathan Cameron To: Himanshu Jha Cc: lars@metafoo.de, Michael.Hennerich@analog.com, knaack.h@gmx.de, pmeerw@pmeerw.net, gregkh@linuxfoundation.org, linux-iio@vger.kernel.org, devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org, daniel.baluta@gmail.com Subject: Re: [PATCH 10/11] Staging: iio: accel: Add comments about units in data read function Message-ID: <20180307205030.11fff428@archlinux> In-Reply-To: <1520236170-14668-11-git-send-email-himanshujha199640@gmail.com> References: <1520236170-14668-1-git-send-email-himanshujha199640@gmail.com> <1520236170-14668-11-git-send-email-himanshujha199640@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: linux-iio-owner@vger.kernel.org List-Id: linux-iio@vger.kernel.org On Mon, 5 Mar 2018 13:19:29 +0530 Himanshu Jha wrote: > Clarify the conversion and formation of resultant data in the > adis16201_read_raw() with sufficient comments. > > Signed-off-by: Himanshu Jha This is fine but it needs to be in the original comment changing patch rather than removing the comments first then a few patches later putting back a different version. So good change but in the wrong place in the series. Learning to reorder a series and merge down multiple patches into one is very useful when working with git. Thanks, Jonathan > --- > drivers/staging/iio/accel/adis16201.c | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git a/drivers/staging/iio/accel/adis16201.c b/drivers/staging/iio/accel/adis16201.c > index 8d795e2..946c7b1 100644 > --- a/drivers/staging/iio/accel/adis16201.c > +++ b/drivers/staging/iio/accel/adis16201.c > @@ -130,6 +130,11 @@ static int adis16201_read_raw(struct iio_dev *indio_dev, > *val2 = 0; > return IIO_VAL_INT_PLUS_MICRO; > case IIO_ACCEL: > + /* > + * IIO base unit for sensitivity of accelerometer > + * is milli g. > + * 1 LSB represents 0.244 mg. > + */ > *val = 0; > *val2 = IIO_G_TO_M_S_2(462400); > return IIO_VAL_INT_PLUS_NANO; > @@ -142,6 +147,11 @@ static int adis16201_read_raw(struct iio_dev *indio_dev, > } > break; > case IIO_CHAN_INFO_OFFSET: > + /* > + * The raw ADC value is 0x4FE when the temperature > + * is 25 degrees and the scale factor per milli > + * degree celcius is -470. > + */ > *val = 25000 / -470 - 1278; > return IIO_VAL_INT; > case IIO_CHAN_INFO_CALIBBIAS: