Re: [Letux-kernel] [PATCH v9 1/8] drivers:input:tsc2007: add new common binding names, pre-calibration, flipping and rotation

Pavel Machek
2017-02-20T19:32:36Z

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Hi!

> > 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.

Some people prefer to calibrate their touchscreens; because of
per-device variations, that gives better precision.

You can pass default calibration data from device tree to kernel to
userland. But you can not force people to use that calibration.

Thanks,
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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