From: Jean Delvare <khali@linux-fr.org>
To: Pavel Machek <pavel@ucw.cz>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
lm-sensors@lm-sensors.org,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [lm-sensors] Simple fan question
Date: Mon, 17 May 2010 08:14:07 +0000 [thread overview]
Message-ID: <20100517101407.193b93f2@hyperion.delvare> (raw)
In-Reply-To: <20100517074621.GA14520@ucw.cz>
Hi Pavel,
On Mon, 17 May 2010 09:46:21 +0200, Pavel Machek wrote:
> Hi!
>
> > Right.
> >
> > Now, maybe the best option is to have instead:
> >
> > fan[1-*]_discrete_value
> > Discrete value
> > RW
> >
> > fan[1-*]_supported values
> > List of supported discrete values
> > RO
>
> Hmm, for 100 different values, that will get ugly. What about simple
> fan_max file with values 0..fan_max being valid?
If you have 100 different values, you can map them to the standard
0..255 range of pwm[1-*] files.
> IIRC thinkpads have 8-or-so possible discrete cases...
Correct. And even these would map nicely to the 0..255 range IMHO.
--
Jean Delvare
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WARNING: multiple messages have this Message-ID (diff)
From: Jean Delvare <khali@linux-fr.org>
To: Pavel Machek <pavel@ucw.cz>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
lm-sensors@lm-sensors.org,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [lm-sensors] Simple fan question
Date: Mon, 17 May 2010 10:14:07 +0200 [thread overview]
Message-ID: <20100517101407.193b93f2@hyperion.delvare> (raw)
In-Reply-To: <20100517074621.GA14520@ucw.cz>
Hi Pavel,
On Mon, 17 May 2010 09:46:21 +0200, Pavel Machek wrote:
> Hi!
>
> > Right.
> >
> > Now, maybe the best option is to have instead:
> >
> > fan[1-*]_discrete_value
> > Discrete value
> > RW
> >
> > fan[1-*]_supported values
> > List of supported discrete values
> > RO
>
> Hmm, for 100 different values, that will get ugly. What about simple
> fan_max file with values 0..fan_max being valid?
If you have 100 different values, you can map them to the standard
0..255 range of pwm[1-*] files.
> IIRC thinkpads have 8-or-so possible discrete cases...
Correct. And even these would map nicely to the 0..255 range IMHO.
--
Jean Delvare
next prev parent reply other threads:[~2010-05-17 8:14 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-29 5:21 [lm-sensors] Simple fan question Benjamin Herrenschmidt
2010-04-29 5:21 ` Benjamin Herrenschmidt
2010-04-29 5:34 ` [lm-sensors] " Dmitry Gromov
2010-04-29 8:57 ` Jean Delvare
2010-04-29 8:57 ` Jean Delvare
2010-04-29 22:56 ` Benjamin Herrenschmidt
2010-04-29 22:56 ` Benjamin Herrenschmidt
2010-05-06 16:40 ` Jean Delvare
2010-05-06 16:40 ` Jean Delvare
2010-05-17 7:46 ` Pavel Machek
2010-05-17 7:46 ` Pavel Machek
2010-05-17 8:14 ` Jean Delvare [this message]
2010-05-17 8:14 ` Jean Delvare
2010-05-17 8:30 ` Benjamin Herrenschmidt
2010-05-17 8:30 ` Benjamin Herrenschmidt
2010-05-17 15:59 ` Ray Lee
2010-05-20 11:57 ` Jean Delvare
2010-05-20 11:57 ` Jean Delvare
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