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SubjectRe: 2.6.0-test2 has i8042 mux problems
On Sun, Jul 27, 2003 at 07:13:26PM -0700, dean gaudet wrote:

> this was a bug i reported back a few versions as well -- and i don't think
> i received any responses (nor from the maintainer).
>
> i've got a box on which 2.4.x works fine, but 2.6.0-test2 gets into a snit
> when it's trying to initialize the i8042. i can get 2.6.0-test2 to boot
> if i add "i8042_nomux".
>
> the mux initialization code seems kind of ... wonk -- it seems to write
> values to the registers then read back and if the value is the same then
> it assumes the mux is there. that seems way too likely to be broken in
> situations when the mux isn't there... it'd be better to be looking for
> some value which is different after writing.

No, it writes f0, 56, a4 and if it gets f0, 56, and not a4, then it assumes
there is a mux.

[This is a Synaptics convention.]

What hardware do you have? And what is the conversation?

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