No fn_key on alu 5,8

[Wolfgang Pfeiffer <roto@gmx.net>]

Hi All

according to 

http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.16

there might be support for the fn_key on (latest?) Powerbooks (?):

"Input: HID - add support for fn key on Apple PowerBooks
    
 This patch implements support for the fn key on Apple PowerBooks using
 USB based keyboards and makes them behave like their ADB counterparts."


But actually, on a 15" Alu Powerbook 5,8 there is no fn_key available,
neither on console, nor on X.

Kernel on this machine is 2.6.16-1, pre-packaged by Debian.
System is a relatively fresh Debian unstable install.

What did I miss? 

Thanks in anticipation

Best Regards
Wolfgang

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