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From
SubjectRe: keyboard repeat rate, increase ceiling?
Date
Followup to:  <19980324000034.41088@vaxerdec.dyn.ml.org>
By author: Scott McDermott <vaxerdec@frontiernet.net>
In newsgroup: linux.dev.kernel
>
> I am wondering if the cieling to the keyboard repeat rate value is
> hardware or kernel imposed; using `kbdrate' at its highest setting,
> which is apparently based on the kernel, yields an unsatisfactory rate.
> Is there some way that I might be able to artificially increase this
> rate?
>

It's hardware. Each key normally sends the kernel a <MAKE> code when
pressed and a <BREAK> code when released. When the keyboard repeats,
it sends <MAKE> codes without intervening <BREAK>s. You *could* get
around it by rewriting the keyboard driver to do repeats in software,
but please be aware that it is not a trivial thing to do.

-hpa
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