Jon Grosshart wrote:
>     /dev/input/mice is NOT a suitable device for the synaptics driver. You
>     need to supply the real device.
> 
>     Ortwin
> 
> 
> 
> I'll say the same thing as Nick... As far as I'm aware, using "auto-dev" 
> completely overides your device option and will use a /dev/input/event* 
> node.... You can put:

Partly. auto-dev enumerates all /dev/input/event* files (path hardcoded) 
and tries to open them. If it succeeds you should see a line like:
"synaptics auto-dev sets device to /dev/input/event7" There is a small 
glitch in the algorithm: if there is a gap of 10 (event3, event14) in 
the device numbers the algorithm stops. This may happen after a couple 
suspend/resume cycles for instance.

The drivers tries every event device and figures out if it can be used 
as a touchpad. A "touchpad" device must have registered to report these 
events:

- ABS_X, ABS_Y and ABS_PRESSURE of the EV_ABS class
- BTN_TOOL_FINGER but not BTN_TOOL_PEN of the EV_KEY class
- the EV_SYN class

everything else is not treated as a touchpad.

There is no guarantee that the drivers chooses the right device. I 
recommend setting the right device and using "event" for the protocol.

Ortwin

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