Re: [lm-sensors] Nuvoton NCT6791D support

[Guenter Roeck <linux@roeck-us.net>]

On 11/11/2013 04:57 PM, p. stephen w wrote:
> Please see attached.
> _____________________________________________________________________________________________
> I noticed the fancontrol file is using hwmon2, instead of hwmon3, so I ran
> that command using hwmon2 and it has a lot more output.  I've attached it
> in case  its of interest.
> Can I set INTERVAL to less than a minute; 0.25, or 0.5?
>
No idea.

> etc/fantcontrol
> INTERVAL=1
> DEVICEPATH=hwmon1Þvices/platform/coretemp.0
> hwmon2Þvices/platform/nct6775.656
> DEVNAME=hwmon1=coretemp hwmon2=nct6791
> FCTEMPS=hwmon2/device/pwm2=hwmon1/device/temp1_input
> FCFANS= hwmon2/device/pwm2=hwmon2/device/fan2_input
> MINTEMP=hwmon2/device/pwm2`
> MAXTEMP=hwmon2/device/pwm2a
> MINSTART=hwmon2/device/pwm2\x150
> MINSTOP=hwmon2/device/pwm2=0
> MAXPWM=hwmon2/device/pwm2%5
>

Yes, obviously the nct6775 driver is hwmon2. No idea why the eee driver (hwmon3)
is instantiated.

Can we take a step back on why you think you need to run fancontrol ...
you mentioned earlier that the board was "OC'd". I assume that means overclocked.
Why can't you use the automatic fan control provided by the NCT chip ?
That would provide much better reaction time to temperature changes.

Also, I think something may be wrong in the driver when it comes to associating
temperature sources with pwm controls. Specifically, the pwmX_temp_sel values
should not return 0. I'll have to look into that.

Thanks,
Guenter


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