> > better to make an entry fan_speed in /sys IMO... > > There is > /sys/devices/temperatures/specified_fan_speed > > but I don't know whether it works the way you'd probably like to use it. IIRC this only reads out the speed set by the module parameter. I'll have a look at how your patch behaves on my PB as soon as it's back from repair - unless Colin finds time to look into this himself. Michael