lm-sensors and ITE IT8512

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Hi,

First of all, sorry for my English but I'm french speaking.
I would like to control the speed of the CPU fan of my Dell Studio
1555, but it seems that lm-sensors doesn't support my fan.
When I do sensors-detect, I have this:
Trying family `National Semiconductor/ITE'...               Yes
Found `ITE IT8512E/F/G Super IO'
    (no support yet)

Driver `coretemp':
  * Chip `Intel digital thermal sensor' (confidence: 9)

To load everything that is needed, add this to /etc/modules:
#----cut here----
# Chip drivers
coretemp
#----cut here----

Of course, when I do pwmconfig, it doesn't work:
/usr/sbin/pwmconfig: There are no pwm-capable sensor modules installed

I've tried to force the loading of it87 module, but I've this error:
modprobe -v it87 force_id=0x8512
insmod /lib/modules/3.2.0-3-amd64/kernel/drivers/hwmon/it87.ko force_id=0x8512
ERROR: could not insert 'it87': No such device

I've also read that there are several issues because of acpi, so I've
added in /etc/default/grub:
GRUB_CMDLINE_LINUX_DEFAULT="quiet acpi_enforce_resources=lax"

But, it still doesn't work. Is it dead for good because of ITE IT8512
which has no support, or is there another solution?

Thanks for your answers,
Gianluigi Papia

Ps : I have a Debian Wheezy (Testing) AMD64.
PPS : The ITE IT8512 is not even in http://www.lm-sensors.org/wiki/Devices

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