No fan control on an Acer Aspire 1694WLMi

[DJAX <djax-whniv8GeeGkdnm+yROfE0A@public.gmane.org>]

Hello,

I got an Acer Aspire 1694WLMi with bios 3c25.

The fan control has no been fixed by my DSDT. The /proc/acpi/fan is empty.
I put the "cookbook" for debugging my DSDT, perhaps you can have a look at it to see if something is wrong.


The folder /proc/acpi/thermal_zone/THRM has:
----------------8<----------------
#cat /proc/acpi/thermal_zone/THRM/cooling_mode
<setting not supported>
cooling mode:   passive

#cat /proc/acpi/thermal_zone/THRM/polling_frequency
polling frequency:       30 seconds

#cat /proc/acpi/thermal_zone/THRM/state
state:                   ok

#cat /proc/acpi/thermal_zone/THRM/temperature
temperature:             44 C

#cat /proc/acpi/thermal_zone/THRM/trip_points
critical (S5):           97 C
passive:                 85 C: tc1=2 tc2=3 tsp=40 devices=0xdfc07168
---------------->8----------------

The fan module is present:
----------------8<----------------
# lsmod | grep fan
fan                     6020  0

#zgrep -i fan /proc/config.gz
CONFIG_ACPI_FAN=m
---------------->8----------------
At the boot, the fan doesn't start immediately, then it start at fisrt
speed. After a moment the fan rotates at full speed, but never goes
down, even if the temperature is 44°C.

The CPU is not at full speed (max:2000MHz):
----------------8<----------------
#cat /proc/cpuinfo  | grep "cpu MHz"
cpu MHz         : 798.354
---------------->8----------------

Any ideas?

Thank you for your help
Best regards
Didier






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