Re: [RFC v2] input: Introduce device information ioctl

From: Henrik Rydberg
Date: Thu Dec 16 2010 - 02:44:19 EST


>>> As an example of how this would work for the

>>> touchpad/tablet/touchscreen triplet, there are two properties defined,
>>> INPUT_PROP_POINTER and INPUT_PROP_DIRECT. A touchpad is an indirect
>>> pointer device, a tablet is a direct pointer device, and the
>>> touchscreen is simply a direct device.
>>>
>>> What do you think?
>>
>> I must have missed the first version of this patch, but I give two
>> thumbs way up :). The detection code for touchpad/tablet/touchscreen in
>> xf86-input-evdev is large and unwieldy, and seemingly simple changes to
>> an input driver can cause incorrect interpretation. Having this
>> available should help quite a bit!
>>
>> Acked-by: Chase Douglas <chase.douglas@xxxxxxxxxxxxx>
>
> As long as we document that !pointer && !direct means "unknown" or
> "unspecified" so as to avoid having to update all devices at once that
> should be OK.
>
> We also need to wire up uinput.


Great, will cook a proper patch.

Thanks,
Henrik
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