Messages in this thread | | | Date | Fri, 13 Jun 2003 00:57:09 +0200 | From | Vojtech Pavlik <> | Subject | Re: [PATCH] Synaptics TouchPad driver for 2.5.70 |
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On Fri, Jun 13, 2003 at 12:01:35AM +0200, Peter Berg Larsen wrote: > > > > On Wed, Jun 11, 2003 at 10:48:14PM -0400, Joseph Fannin wrote: > > > > > Here is a new patch that sends ABS_ events to user space. I haven't > > > > > modified the XFree86 driver to handle this format yet, but I used > > > > > /dev/input/event* to verify that the driver generates correct data. > > > > CaT <cat@zip.com.au> writes: > > > Aaaand... will I be able to transparently use my ps2 mouse and touchpad > > > without having to worry about what's plugged in at any one time? > > The short answer is no, if you still have the gateway laptop. > > > On 12 Jun 2003, Peter Osterlund wrote: > > It works on my computer at least. When loading the psmouse module I > > get this: > > > input: PS/2 Logitech Mouse on isa0060/serio2 > > input: Synaptics Synaptics TouchPad on isa0060/serio4 > > It works for you because it (your laptop) has active multiplexing. Without > active multiplexing I see no way of demultiplexing different mouse > protocols in mousedev. > > A guestdevice behind the touchpad also needs demultiplexing even with > activ multiplexing. This could be done in the synaptics driver but as the > guestdevice can be any device, the synaptics driver needs to know every > mouse protocol there is to demultiplex it. The synaptics driver sent does > not demultiplex a guestdevice.
The synaptics driver, if it wished to demultiplex a true mouse protocol behind the pad without an active multiplexing controller, could easily create a new serio port, to which the psmouse driver would attach, detect, and drive the mouse. It's a bit crazy, but it should work.
-- Vojtech Pavlik SuSE Labs, SuSE CR - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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