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Date:	Thu, 07 Aug 2014 07:19:40 -0700
From:	Guenter Roeck <linux@...ck-us.net>
To:	Jean Delvare <jdelvare@...e.de>
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

On 08/07/2014 01:35 AM, Jean Delvare wrote:
> 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

That is true.

> possibility to also expose it as pwm1 on the hwmon side, this might
> happen later.
>
Ok.

Thanks,
Guenter

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