| To: | Geert Uytterhoeven <geert@linux-m68k.org> |
|---|---|
| Subject: | Re: DECstation keyboard mappings and XFree |
| From: | "Maciej W. Rozycki" <macro@ds2.pg.gda.pl> |
| Date: | Mon, 11 Feb 2002 16:36:13 +0100 (MET) |
| Cc: | Karsten Merker <karsten@excalibur.cologne.de>, Linux/MIPS Development <linux-mips@oss.sgi.com> |
| In-reply-to: | <Pine.GSO.4.21.0202111604400.13432-100000@vervain.sonytel.be> |
| Organization: | Technical University of Gdansk |
| Sender: | owner-linux-mips@oss.sgi.com |
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: macro@ds2.pg.gda.pl, PGP key available + |
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