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Date:	Thu, 07 Aug 2014 10:35:45 +0200
From:	Jean Delvare <jdelvare@...e.de>
To:	Guenter Roeck <linux@...ck-us.net>
Cc:	kreijack@...ind.it,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 5/5] Export the temperatures via hwmon

Le Thursday 07 August 2014 à 00:36 -0700, Guenter Roeck a écrit :
> On 08/06/2014 11:52 PM, Jean Delvare wrote:
> > Hi Guenter,
> >
> > On Wed, 06 Aug 2014 23:20:32 -0700, Guenter Roeck wrote:
> >> Patch 4/5 is "Return the fan speed via sysfs: /sys/devices/temperature/fan_level".
> >>
> >> So you are saying that returning the fan speed with a non-hwmon attribute works,
> >> but returning it with a hwmon attribute doesn't ? Not really sure if I understand
> >> your logic. Either fan_level doesn't return the fan speed (or an abstraction of it),
> >> or something in your line of argument is inconsistent.
> >
> > fan_level is a fan speed _control_ value, like pwm1. It is not a fan
> > speed monitoring value.
> >
> Ah, ok. The patch description doesn't seem to match, though.
> And why not export it as pwm1, if that is what it is ?

Well, /sys/devices/temperature is a non-standard interface anyway, so it
does not really matter. I already discussed with Goffredo the
possibility to also expose it as pwm1 on the hwmon side, this might
happen later.

-- 
Jean Delvare
SUSE L3 Support

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