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    SubjectRe: Input issues - key down with no key up
    On Thu, Aug 21, 2003 at 05:03:33PM +0200, Maciej W. Rozycki wrote:

    > I meant: how does the translation work if there is only a single onboard
    > controller that does scanning of the embedded keyboard and presents set #1
    > of codes directly? But after a bit of thinking I suppose it does support
    > translation for an external keyboard (which presents set #2 by default and
    > a lot of PC software expects set #1) and probably a pass-through mode for
    > it as well.
    >
    > What the big fault of all these limited implementations is, there is no
    > reliable way to query what is supported. If a device does not support
    > mode switching or a particular mode, it should NAK a command that does it,
    > or at least report the original mode if queried afterwards.

    Most do, most do ...

    > Another
    > possibility is to return a different device ID -- IBM chose a single value
    > of 256 possible for its PS/2 keyboards -- why couldn't the incompatible
    > others have chosen something different, sigh?...

    Some do ...

    --
    Vojtech Pavlik
    SuSE Labs, SuSE CR
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