linux-kernel - Re: Voltage/current/sensor monitoring interface and Wiegand

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Date:	Thu, 9 Sep 2010 15:01:37 +1000
From:	Stuart Longland <redhatter@...too.org>
To:	Ryan Mallon <ryan@...ewatersys.com>
Cc:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: Voltage/current/sensor monitoring interface and Wiegand

On Thu, Sep 09, 2010 at 02:48:26PM +1200, Ryan Mallon wrote:
> On 09/09/2010 12:02 PM, Stuart Longland wrote:
> > How are voltage *monitors* normally written?  (note, not voltage
> > *regulators*... this thing does not alter the voltage rails.)  I tried
> > to make sense of lm-sensors, but that seems very ad-hoc (maybe I missed
> > some document that explains it) to me.  It's hard to be clear on what is
> > the *right* way to report a voltage or current reading to userspace.
> 
> Depending on your particular application it might make sense to use the
> power supply class (see Documentation/power/power_supply_class.txt) for
> the voltage/current monitoring. If the temperature sensor is related to
> a power supply monitor, then it could also go there.

Ahh okay, I'll have a look there..  The temperature isn't related to the
power supply, so I might continue a searchfor its rightful place, but
that class of devices seems like a good fit.
-- 
Stuart Longland (aka Redhatter, VK4MSL)      .'''.
Gentoo Linux/MIPS Cobalt and Docs Developer  '.'` :
. . . . . . . . . . . . . . . . . . . . . .   .'.'
http://dev.gentoo.org/~redhatter             :.'

I haven't lost my mind...
  ...it's backed up on a tape somewhere.
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