Hi Pavel, > Am 19.02.2017 um 23:39 schrieb Pavel Machek <pavel@xxxxxx>: > > Hi! > >>>> And note that I am not making things different from others in tree, >>>> I am making the tsc2007 right (incl. following the touchscreen >>>> bindings which define the touchscreen size in "Pixels"). >>> >>> Your touch screen is not in any way special, so it has to behave in >>> the same way others do. >>> >> >> I agree, the tsc2007 (=what the interface provides to userspace) should >> not behave special, for example it should behave like the virtual >> touchscreen (=what the interface provides to userspace) virtualbox >> gives. No need to be calibrated. Well, the internals are different. But >> that is what the kernel is good for, abstract such things. >> Conclusion: It cannot be totally wrong behavior to have pixel values >> there. > > It is not "totally wrong". But it is useless code that should not be > in kernel. Calibration certainly does not belong to single > _driver_. It belongs to driver + attached panel. I.e. hardware. Which the kernel or driver should IMHO abstract from as good as possible. > Feel free to submit driver For what? The tsc2007 driver already exists. > but keep the calibration code out > of tree... It is the really important patch to add this. > > But if you have userspace that depends on touchscreen to be > calibrated... that _is_ wrong. User-space people and real users have the opposite opinion. They prefer if a touch is plug&play. I.e. without need for calibration. When did you last time re-calibrate the heads of your hard disk in user-space? BR and thanks, Nikolaus
Attachment:
signature.asc
Description: Message signed with OpenPGP using GPGMail
