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Re: DECstation keyboard mappings and XFree

To: Geert Uytterhoeven <>
Subject: Re: DECstation keyboard mappings and XFree
From: "Maciej W. Rozycki" <>
Date: Mon, 11 Feb 2002 16:36:13 +0100 (MET)
Cc: Karsten Merker <>, Linux/MIPS Development <>
In-reply-to: <>
Organization: Technical University of Gdansk
On Mon, 11 Feb 2002, Geert Uytterhoeven wrote:

> The keyboard mid-layer assumes keycodes are in the range 1-127 (with some 
> minor
> hack 0 can be made to work, cfr. Amiga keboards). Bit 7 is used to
> differentiate between up and down events. This means you cannot get keyboards
> with more than 128 keys to work (e.g. some specialized keyboards for old
> workstations).

 But the raw scancode should be passed as is.  A brief look at
drivers/char/keyboard.c suggests it's doable without breaking anything. 

 Keycodes seem to be limited to 1 - 127, but it's not a problem -- LK
keyboards do not have that many keys.

+  Maciej W. Rozycki, Technical University of Gdansk, Poland   +
+        e-mail:, PGP key available        +

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