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From: Phillip Susi <psusi@cfl.rr.com>
To: lm-sensors@vger.kernel.org
Subject: Re: [lm-sensors] New sysfs attribute for fan control: fan pulses
Date: Wed, 23 Feb 2011 16:29:37 +0000	[thread overview]
Message-ID: <4D6535F1.4080601@cfl.rr.com> (raw)
In-Reply-To: <20110223035414.GA18074@ericsson.com>

On 2/22/2011 10:54 PM, Guenter Roeck wrote:
> Hi all,
> 
> while working on NCT6776F support, I realized that there is a fan control
> attribute which is not currently supported by the syfs ABI: The number of
> fan pulses per revolution. On the NCT6776F, this can be configured in Bank 6,
> registers 0x44 to 0x46. Possible values are 0..3 for 4, 1, 2, or 3 pulses 
> per revolution.
> 
> I encountered the same parameter when working on PMBus devices. At the time,
> I thought this was a variant of a fan divisor (ie a divisor of 1, 2, 3, or 4),
> but apparently it is different and independent of the fan divisor.

How is it any different than the fan divisor?

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  reply	other threads:[~2011-02-23 16:29 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-02-23  3:54 [lm-sensors] New sysfs attribute for fan control: fan pulses per Guenter Roeck
2011-02-23 16:29 ` Phillip Susi [this message]
2011-02-23 16:53 ` [lm-sensors] New sysfs attribute for fan control: fan pulses Guenter Roeck
2011-03-03 22:31 ` Jean Delvare

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