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

H. Nikolaus Schaller hns at goldelico.com
Mon Feb 20 21:22:22 CET 2017


> Am 20.02.2017 um 20:32 schrieb Pavel Machek <pavel at ucw.cz>:
> 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.

Yes, you can do that if you want. I hope it became clear by the formula
in my last mail.

I just want to be able to do it the other way for those users who don't
care about this per-device variation.


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