Re: synaptics touchpad not working with 2.4.x (fwd)

[Vojtech P. <vo...@su...>]

On Tue, Jul 10, 2001 at 10:40:50AM +0200, Arndt Schoenewald wrote:
> Hi Vojtech,
> 
> while you are at it, talking about ruby's psaux driver:
> 
> On Mon, Jul 09, 2001 at 10:44:30PM +0200, Vojtech Pavlik wrote:
> > On Sun, Jul 08, 2001 at 08:50:37AM -0700, James Simmons wrote:
> > 
> > > Does the i8042 drivers we have support this device?
> > 
> > We don't have a specific driver for this. It should emulate a normal
> > PS/2 mouse, though.
> > 
> > The current 2.4 code chokes on the 0xaa character this device likes to
> > send and resets it quite often. The ruby code is protected against this
> > while still capable to detect mouse reconnects (the reason 0xaa handling
> > is in 2.4).
> > 
> > 2.4 can't be fixed, because of its psaux byte-stream oriented
> > architecture. 2.2 doesn't handle mouse reconnects. Ruby understand the
> > psmouse protocol and thus handles everything gracefully.
> 
> Does ruby allow to send data down to a psaux device? I will need this
> functionality to improve the Linux support for the Twiddler2 (to allow
> reprogramming of the chord-to-scancode mapping table which is kept
> inside the device itself).

Not from userspace yet. But you can do it from a driver that'll plug
between the i8042 driver and the atkbd/psmouse drivers.

-- 
Vojtech Pavlik
SuSE Labs