2.6.11-rc4: Alps touchpad too slow

[Andy Isaacson]

My Vaio r505te comes up with an unusably slow touchpad if I allow the
ALPS driver to drive it.  It says

> ALPS Touchpad (Glidepoint) detected
>   Disabling hardware tapping
> input: AlpsPS/2 ALPS TouchPad on isa0060/serio1

and then the trackpad operates at about 1/8 the speed I've gotten used
to.

I'm running 2.6.11-rc4; this started happening somewhere between
2.6.10 and 2.6.11-rc3.

I've toyed with 'xset m', but nothing I've done there seems to have
any effect.  (I suspect that Linux never generates the appropriate
sequence of mouse events to trigger the X cursor acceleration regime.)

I can restore the original behavior by passing "proto=exps" to
psmouse.o, in which case I get
> input: PS/2 Generic Mouse on isa0060/serio1

On a related note, how are users supposed to control this newfangled
PS2 driver?  I'd like at least the *option* to turn tapping back on,
but I can't find any knobs *anywhere*.  And of course I'd like to
adjust the tracking speed, too.

-andy
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