> 2* I would then add a check to the it87 driver, which completely disables
> the fan speed control interface if the initial configuration looks weird
> (all fans supposedly stopped and polarity set to "active low"). This
> should protect users of the driver who have a faulty BIOS.
>
> When a bogus configuration is detected, we would of course complain in
> the logs and invite the user to complain to his/her motherboard maker
> too.

Here is it87.c_2.6.10-jm4-detect_broken_bios_20050112.diff implementing
this. It goes on top of the previous patch.

- detects broken bioses, disables the pwm for them and prints a message
- fixes an unrelated minor bug in set_fan_div()
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Jonas Munsin <jmunsin@iki.fi>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>