linux-kernel - Re: [PATCH RFC V2 0/3] Input: goodix - add axis swapping and axis inversion support

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Date:	Mon, 12 Oct 2015 15:09:58 +0200
From:	Bastien Nocera <hadess@...ess.net>
To:	Karsten Merker <merker@...ian.org>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Irina Tirdea <irina.tirdea@...el.com>,
	Aleksei Mamlin <mamlinav@...il.com>,
	linux-input@...r.kernel.org,
	Ian Campbell <ijc+devicetree@...lion.org.uk>
Cc:	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	Chen-Yu Tsai <wens@...e.org>
Subject: Re: [PATCH RFC V2 0/3] Input: goodix - add axis swapping and axis
 inversion support

On Fri, 2015-10-09 at 19:55 +0200, Karsten Merker wrote:
> Hello,
> 
> this is v2 of my "Input: goodix - add axis swapping and axis
> inversion
> support" patchset.
> The goodix touchscreen driver has gained device-tree support in
> kernel
> 4.1, but doesn't currently support the touchscreen-swapped-x-y,
> touchscreen-inverted-x and touchscreen-inverted-y properties.
> 
> On systems which combine a portrait-mode display with a landscape-
> mode
> touchscreen, such as e.g. the MSI Primo 81 tablet, support for these
> features is necessary to have the touchscreen and the display use the
> same coordinate system.
> 
> With support for axis inversion, the "rotated_screen" flag in the
> driver can also be removed, as "rotated_screen" is just a special
> case
> of x/y axis inversion.
> 
> This patchset sits on top of the "[PATCH v8 0/9] Goodix touchscreen
> enhancements" series by Irina Tirdea:
> https://www.spinics.net/lists/linux-input/msg41437.html
> 
> I have successfully tested the axis swapping on an (arm-based) MSI
> Primo 81 tablet, but I lack appropriate hardware to do a real-world
> test of the "rotated_screen" code path, so I would appreciate very
> much if somebody with appropriate hardware (WinBook TW100 or TW700)
> could give it a try.


I've pushed the first 2 patches of this patchset to:
https://github.com/hadess/gt9xx/tree/karsten-merker

And tested on the TW100. You can add:
Tested-by: Bastien Nocera <hadess@...ess.net>

To the first 2 patches.

Cheers
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