Re: [PATCH v2] usbtouchscreen: adds support for inverting X or Y axis (or both)

[Philippe Coval]

On 07/13/2015 12:28 PM, Bastien Nocera wrote:
> On Mon, 2015-07-13 at 12:15 +0200, Philippe Coval wrote:
>> Invert Y is needed (together with swap XY) for some touchscreens :
>> - LeadingTouch screens (at least for some of them)
>> - CarTft 8in4 (USB ID=0eef:0001)
> 
> Wouldn't it be useful to force those settings for touchscreen devices
> which you can detect? That would make it work out-of-the-box on those
> devices.
> 
Hi,

That's what I am doing, but userland (using udev rules),
since I am really unsure we can rely on USB id...

For now, I don't think it's a good idea to force any behaviour,
that can cause regressions on other ones.

In a longer term, it would be good to keep a list of all those screens
and see what should be the prefered behaviour per identification.

Note, I don't have any screen anymore.

Thanks for feedback


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