linux-kernel - Re: [PATCH] W1: w1_therm.c standardize units to millidegrees C

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Message-ID: <20080124123909.GY30987@sci.fi>
Date:	Thu, 24 Jan 2008 14:39:09 +0200
From:	Ville Syrjälä <syrjala@....fi>
To:	David Fries <david@...es.net>
Cc:	linux-kernel@...r.kernel.org,
	Evgeniy Polyakov <johnpol@....mipt.ru>
Subject: Re: [PATCH] W1: w1_therm.c standardize units to millidegrees C

On Wed, Jan 23, 2008 at 08:03:30PM -0600, David Fries wrote:
> Here is the patch to standardize the temperature units to millidegrees
> C for the two sensor conversion routines.  Previously the routines
> were,
> 
> w1_DS18B20_convert_temp degrees C
> w1_DS18S20_convert_temp millidegrees C
> 
> Unfortunately this will break any program using the ds18b20 value as
> it will now be 1000 times bigger.  Fortunately there can't be that
> many users out there, or some of these bugs will have been fixed by
> now, such as the negative C error (see previous patch) that makes me
> think the ds18b20 is the better choice to change because of the
> current bugs.

Why isn't w1_therm presented as a hwmon device?

-- 
Ville Syrjälä
syrjala@....fi
http://www.sci.fi/~syrjala/
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