Dnia 4 Kwietnia 2012, 10:06 am, Śr, Nikolai Kondrashov napisał(a):
[..]
Hi Nick,
> The thing is, Wacom tablets are not the only ones reporting tilt. The way
> they report it is not the most straightforward and is not consistent with
> the HID spec.
Ok, understand.

> At least aiptek driver uses 0-centered tilt for quite a while.
True, but as far as I can't see the aiptek driver making any centering to
zero. It the device reporting -127 to 128 range?

 The Waltop
> Sirius tablet reports 0-centered tilt and the patch adding support for it
> was already accepted into the kernel.
Ok, fair enough. My point is that wacom doesn't report 0 centered tilt.

> So, changing wacom driver to 0-centered tilt, would help make evdev
> protocol
> more consistent.
I hope we'll find it out soon if that's OK. I'm going to add tilt
reporting for I4 WL in hid-wacom soon, but if we won't get an answer from
linux-input I'll add it in the same way as it is now in usb driver. I mean
0 to 127 range instead of 0 centered.

Can you send a request-for-comment to linux-input?
-- 
Regards,
Przemo Firszt


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