On 04/14/2015 09:01 PM, Peter Hutterer wrote:
Internal touchpads with trackpoints are either BUS_I8042 or BUS_I2C, but not
BUS_USB. Lenovo sells external keyboards with a trackpoint built-in, make sure
we don't pair that trackpoint with the internal touchpad.
And likewise, the internal trackpoint should not be paired with e.g. a wacom
touch device.
Lenovo had one external device that has a trackpoint and a touchpad on an
external keyboard. That device won't be covered with this patch, if we have a
user we can re-consider.
Would checking if both devices are on the same bus (rather than not on
the USB bus) work for the systems you have, and also cover this case?
(ie. use bus_tp == bus_trp instead of tp_is_internal && trp_is_internal)
Pardon me if I have no idea what I am talking about.
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