IBM Thinkpad Fan Control (acpi_ibm)

[Markus Brueffer]

Fabian Keil schrieb:
> Markus Brueffer <markus at brueffer.de> wrote:
> 
>> Tobias Roth schrieb:
> 
>>> Now my question. Since acpi_ibm.ko can already read temperature
>>> sensors and fan speed, would it be feasable to teach it to control
>>> fan speed as well? Is anyone working on it already? Or can someone
>>> outline the steps that have to be taken so I can take a look and  
>>> see if I can do it myself?
>> I didn't see any practical value in setting fancontrol and fanspeed
>> last year (that was the time when the T43 wasn't yet around),
>> therefore I didn't implement write support to prevent users from
>> footshooting.
>>
>> Now that there is a real practical use of it, I have implemented the
>> missing bits.
>  
>> Please try the patch at
>> http://people.freebsd.org/~markus/ibm/acpi_ibm.c.diff
>>
>> It should apply cleanly on -CURRENT and 6.0 and works nicely on my
>> T41p.
> 
> I can confirm that it applies cleanly on 6.0.
> Fan speed setting works on my TP51 as well. Thanks.

I have committed the patch to -CURRENT. I'll MFC it in about one week if
nothing goes wrong.

Thanks for testing!

Markus