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From: "George Spelvin" <linux@horizon.com>
To: jdelvare@suse.com
Cc: linux@horizon.com, linux-kernel@vger.kernel.org,
	lm-sensors@lm-sensors.org, lpapp@kde.org
Subject: Re: [lm-sensors] Tachometer speed returned rather than absolute fan speed?
Date: 10 Mar 2014 03:11:40 -0400	[thread overview]
Message-ID: <20140310071140.19969.qmail@ns.horizon.com> (raw)
In-Reply-To: <20140307162524.6abd34be@endymion.delvare>

> What did you think "tachometer speed" was, if not the fan speed? Does
> the max6650 driver not return correct fan speeds for you?

Given that most PC fans produce two pulses per rotation, I assumed it was
the frequency of the tachometer signal, which is twice the fan RPM.

      parent reply	other threads:[~2014-03-10  7:18 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-03-07 14:48 Tachometer speed returned rather than absolute fan speed? Laszlo Papp
2014-03-07 15:08 ` Laszlo Papp
2014-03-07 15:25 ` Jean Delvare
2014-03-07 15:31   ` Laszlo Papp
2014-03-07 15:37     ` Jean Delvare
2014-03-07 15:47       ` Laszlo Papp
2014-03-07 18:17         ` Guenter Roeck
2014-03-08 23:50           ` [lm-sensors] " Guenter Roeck
2014-03-09  6:36             ` Laszlo Papp
2014-03-09  8:04               ` Guenter Roeck
2014-03-09 12:44                 ` Laszlo Papp
2014-03-10  9:59                 ` Laszlo Papp
2014-03-10 13:26                   ` Guenter Roeck
2014-03-10 13:50                     ` Laszlo Papp
2014-03-10 15:11                       ` Guenter Roeck
2014-03-10 18:00                         ` Laszlo Papp
2014-04-08  9:19             ` Pavel Machek
2014-03-10  7:11   ` George Spelvin [this message]

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