Messages in this thread | | | Date | Tue, 10 Dec 2002 22:34:44 +0100 | From | Pavel Machek <> | Subject | Re: PATCH: Four function buttons on DELL Latitude X200 |
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Hi!
> > In article <m3d6ocjd81.fsf@Janik.cz> you wrote: > > > this patch add support for four functions key on DELL Latitude X200. > > > > we need a more generic appoach to handle those key codes for various > > extensions. I think a pure software reconfiguration of the keymaps or a > > daemon trakcing the raw codes is fine. Perhaps we can make something like a > > hook into the kernel where all untrapped function keys are send to in raw > > format? > > > > The PC only has so many possible keycodes (with E0 and E1 it's still > in the sub-300 range.) It won't fit within 128, but I would really > like an algorithmic mapping from scancodes to keycodes so we don't > continue to have this problem. > > For example, using a 16-bit keycode model: > > > Scancode Keycode (binary) > mxxxxxxx m0000000 0xxxxxxx > E0 mxxxxxxx m0000000 1xxxxxxx > E1 mxxxxxxx yyyyyyyy mxxxxxxx yyyyyyyy > > m = make/break bit
Well, nothing prevents keyboard manufacturers from using 0xe2 as a prefix, too. I think there are really *weird* keyboards out there.
Pavel -- Worst form of spam? Adding advertisment signatures ala sourceforge.net. What goes next? Inserting advertisment *into* email? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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