Messages in this thread | | | Date | Tue, 21 Feb 2017 12:07:34 +0100 | From | Pavel Machek <> | Subject | Re: [PATCH v9 1/8] drivers:input:tsc2007: add new common binding names, pre-calibration, flipping and rotation |
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Hi!
> > They are "pixels" or the touch controller, i.e. native unites in which > > device reports coordinates, as opposed to points per inch, or > > millimeters, or whatever. These "pixels" do not have to have 1:1 > > relation to the LCD pixels; in fact they rarely do. > > I wouldn't call this "pixels". Rather "ADC steps" or something.
Submit a patch.
> > Why? Nothing stops you from querying the device and figure out scaling. > > What stops me is that I have no (and do not want to have) that level of control over > user-space code.
Umm. Then perhaps you should not be submitting kernel patches.
> > And still, according to DT folks, device tree forms an ABI and thus we > > are not to change it, even if it is easy. > > I think this needs a more differentiated view. > > In my view the names of the binding properties and what they influence form indeed > an ABI. It should be stable and interpreted in the same way. > > But it allows to load different firmware for different requirements. Like the user > application ABI is stable but you can still load different software.
No. You can't expect people to konfigure kernel by modifying dts. Pavel
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