[PATCH] evdev: handle touchscreens without BTN_TOUCH
jacmet at sunsite.dk
Tue May 24 00:16:22 PDT 2011
>>>>> "Peter" == Peter Hutterer <peter.hutterer at who-t.net> writes:
>> Argh, what then? Check for devices with abs X/Y, no rel X/Y and
>> BTN_LEFT? Or do you have other crazy devices doing that as well?
Peter> i'm pretty sure that for any combination of axes you can think
Peter> of, there will be a device out there that has them. but yes,
Peter> this keyboard in particular was the first of many to cause the
Peter> rel/abs handling in evdev. If it helps, my other Microsft
Peter> keyboard has REL_HWHEEL and a bunch of ABS_ axes (including some
Peter> multi-touch axes, but I'm not sure typing really counts as MT
Peter> the amendment to your patch wouldn't be hard, you'd just have to
Peter> make sure that devices that don't have buttons don't get
Peter> labelled as touchscreens and we get your device supported while
Peter> maintaining the previous behaviour for all other devices.
With the check for BTN_LEFT (or rather has_lmr) that shouldn't be an
I'l send an updated patch shortly.
Bye, Peter Korsgaard
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