Comment 6 for bug 633225

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tob (tobynbertram) wrote :

I reverse engineered the initialization sequence for my Synaptics 7.4 Clickpad a while ago. Details can be found at: https://bugzilla.kernel.org/show_bug.cgi?id=18062

Takashi Iwai from OpenSuse has done quite a bit of work for the Synaptics Clickpad including some experimental multitouch support, his repo is here: http://download.opensuse.org/repositories/home:/tiwai:/clickpad:/openSUSE_11.3/openSUSE_11.3/src/

I have played around with the synaptics.c code in the kernel to add multitouch events (ABS_MT_POSITION_X, ABS_MT_POSITION_Y, ABS_MT_PRESSURE) using Takashi's work as a model. I can see the multitouch event codes using evtest. However, nothing else works. What else needs to be modified so that utouch can use the synaptics multitouch events from the kernel?

This might be a duplicate of this bug: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-input-synaptics/+bug/308191