[ltp] configure ibm-acpi

[Roland Knöpfli]

thank you all, i got it working.

- deleted the old driver /lib/modules/kernel/acpi/*
- added '/sbin/modprobe ibm_acpi experimental=1 hotkey=enable,0xffff' to 
  /etc/rc.d/rc.local

honey@gneek.com wrote:
> On Fri, 12 Aug 2005, Roland Knöpfli wrote:
> 
>> hi
>>
>> i recently installed fedora core 4 on my A31p. i also udpated the 
>> ibm-acpi drivers from 0.8 to 0.11 and i've read the ibm-acpi readme.
>>
>> after creating a shell script 'blank.sh' under /etc/acpi/actions/ and 
>> a config file 'blank.conf' under /etc/acpi/events/ i enabled the 
>> hotkey support by entering 'echo enable > /proc/acpi/ibm/hotkey'.
>> as expected the combination of 'Fn'+'F3' caused a blank screen. i was 
>> happy!
>>
>> but after a system restart i realized that the ibm-acpi driver doesn't 
>> remember that i've enabled the hotkey function.
>>
>> my (simple) question: how can i configure the ibm-acpi driver that the 
>> hotkey function stays enabled even after a system restart?
>>
>> thanks
>>
>> Roland
> 
> 
> Roland,
> 
> You'll have to do the "echo enable" at every bootup.  Either put this
> in /etc/rc.d/rc.local, or follow the instructions in the README (I
> think) about how to add the options at modprobe time - put them in
> /etc/modprobe.conf.
> 
> Caveat - see earlier discussions here about the seeming
> unpredictability of module loading where duplicates exist in
> /lib/modules/<kernel>/: the default 0.8 one is install in
> kernel/drivers/acpi, and the default installation path for 0.11 goes
> into acpi/.  On the face of it this isn't a problem, as modules.dep
> specifies (for me, in FC4) the acpi/ one first, so loads it when I
> modprobe - but as someone else pointed out, if the
> kernel/drivers/acpi one is present, it gets loaded by insmod very
> early on in /etc/rc.d/rc.sysinit (and insmod of course ignores
> modprobe.conf options).
> 
> The horrible solutions are either to (a) edit rc.sysinit (ugh!) or
> (b) move/delete the 0.8 one in kernel/drivers/acpi/ (for me, slightly
> lesser ugh).
> 
> I think I got all that right :)
> 
> Honey