What I understood so far:
a) the buttons are connected to GPIOs (quite similar to the keyboard)
http://projects.kwaak.net/twiki/bin/view/Epc700/GPIO
b) the touch pad is connected to USB (as a PS/2 mouse)
http://projects.kwaak.net/twiki/bin/view/Epc700/HardwareLayout
So I think adding the touchpad buttons to the touchpad driver doesn't
make sense. Would it be good to add it to the keyboard driver? Or to
patch/configure some mouse driver? E.g. the input/mouse/gpio_mouse.c
This mainly depends on how udev and X11 expect these buttons to be
presented (can X11 merge separate touchscreen and mouse event channels
into a single consistent input behaviour?).
Any ideas/recommendations?
BR,
Nikolaus
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