From: Marek Vasut <marex@denx.de>
To: Stefan Wahren <stefan.wahren@i2se.com>
Cc: "Alexandre Belloni" <alexandre.belloni@free-electrons.com>,
"Lars-Peter Clausen" <lars@metafoo.de>,
linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org,
"Janusz Użycki" <j.uzycki@elpromaelectronics.com>,
"Jonathan Cameron" <jic23@kernel.org>
Subject: Re: [PATCH] iio: mxs-lradc: Fix temperature offset
Date: Thu, 8 Oct 2015 23:12:13 +0200 [thread overview]
Message-ID: <201510082312.13495.marex@denx.de> (raw)
In-Reply-To: <5614C5F8.5020000@i2se.com>
On Wednesday, October 07, 2015 at 09:12:56 AM, Stefan Wahren wrote:
> Am 07.10.2015 um 02:44 schrieb Alexandre Belloni:
> > Hi,
> >
> > On 07/10/2015 at 01:19:09 +0200, Marek Vasut wrote :
> >>>> /* 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
> >> :-)
> >
> > On my side, I'm not sure this is worth more than a comment. If
> > necessary, I can write that the datasheet specifies that the scale is
> > 4/1.012 here also.
>
> I'm okay with that.
I'm fine either way, it's not worth wasting more time on this trivial stuff.
I'd say just pick this one.
Best regards,
Marek Vasut
next prev parent reply other threads:[~2015-10-08 21:12 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-06 14:22 [PATCH] iio: mxs-lradc: Fix temperature offset Alexandre Belloni
2015-10-06 18:43 ` Stefan Wahren
2015-10-06 23:19 ` Marek Vasut
2015-10-07 0:44 ` Alexandre Belloni
2015-10-07 7:12 ` Stefan Wahren
2015-10-08 21:12 ` Marek Vasut [this message]
2015-10-06 23:13 ` Marek Vasut
2015-10-11 14:03 ` Jonathan Cameron
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