Re: touchpanel support for ums(4)

[Marc Balmer <marc%msys.ch@localhost>]

> hi
> 
> At Thu, 26 Nov 2009 16:30:15 +0100,
> Marc Balmer wrote:
>> The following diff adds support for touchpanels to the ums(4) driver.
>> Touchpanels report the position in absolute coordinates and not as relative
>> deltas.  The following assumptions are made to keep the changes small:
>> 
>> - If either the X or Y axis reports absolute values, the other axis does, too
>> - The Z and W axis are never absolute
>> 
>> This makes touchscreens work that report themselves as USB HID devices, e.g.
>> the touchscreen built into the EeeTOP line of ASUS desktops while not 
>> changing
>> the behaviour of normal USB mice.
> 
> how about calibration?
> 
>  http://www.netbsd.org/cgi-bin/query-pr-single.pl?number=40287
> 
> this uses tpcalib_* functions.
> 
> tpctl(8) need to be generalized...


Thanks for the URL.

calibration will be added (later).  atm I am working with Matthieu Herrb and 
his xf86-input-ws driver which does the calibration in X.

- Marc