Re: lm sensors sysfs file structure

From: Martin Schlemmer (azarah@gentoo.org)
Date: Thu Mar 27 2003 - 05:50:44 EST


On Thu, 2003-03-27 at 12:46, Jan Dittmer wrote:
> Greg KH wrote:
> > True, but multi-valued files are not allowed in sysfs. It's especially
> > obnoxious that you have 3 value files when you read them, but only
> > expect 2 values for writing. The way I split up the values in the
> > lm75.c driver shows a user exactly which values are writable, and
> > enforces this on the file system level.
>
> Agreed, I never knew which of the three values had which functionality.
> For via686a this would be inX, inX_min, inX_max, tempX, tempX_overshoot
> (over = overshoot = os ?), tempX_hyst, and so on.
>
> > Entry Values Function
> > ----- ------ --------
> > temp,
> > temp[1-3] 3 Temperature max, min or hysteresis, and input value.
> > Floating point values XXX.X or XXX.XX in degrees Celcius.
>
> If we're restructuring it, I think we should also agree on _one_ common
> denominator for all values ie. mVolt and milli-Degree Celsius, so that
> no userspace program ever again has know how to convert them to
> user-readable values and every user can just cat the values and doesn't
> have to wonder if it's centi-Volt, milli-Volt, centi-Degree, dezi-Degree
> or whatever.
>

Right, can we just get this finalised soon ? Not much fun in redoing
something 2 times already ;)

Regards,

-- 
Martin Schlemmer

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