fan speed for it87?? chips added

Greg KH greg at
Tue Sep 23 20:41:02 CEST 2003

On Tue, Sep 23, 2003 at 08:35:29PM +0200, Michael Hufer wrote:
> Hi,
> I recently bought a new computer system based on Shuttles XPC FN42G2 barebone 
> its motherboard uses the it8705 chip. Unfortunatly, I had to find out that 
> the current it87 driver resets the chip on init which switches the CPU/case 
> fan to a very noisy full speed. So, after some grumpling :-) I decided to 
> take things in my own hands and add some new features to the driver.
> First, I added a new mod parameter "reset_it87" which controls whether or not 
> the chip is reset on module load (modprobe it87 reset_it=1, default) or 
> not(modprobe it87 reset_it87=0).
> Since this worked out quiet nicely I decided to go one step further and also 
> add the chips manual and automatic temperature controlled fan speed features 
> (PWM etc.).
> Finally I also updated the doc to document the new features.
> Attached is a diff against the current cvs version.

Care to make a patch against the latest 2.6 kernel too?


greg k-h

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