From mboxrd@z Thu Jan  1 00:00:00 1970
From: Bastien Nocera <hadess@hadess.net>
Subject: Re: [PATCH v2] usbtouchscreen: adds support for inverting X or Y
 axis (or both)
Date: Mon, 13 Jul 2015 12:28:16 +0200
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To: Philippe Coval <rzr@gna.org>, poeschel@lemonage.de, dmitry.torokhov@gmail.com
Cc: Ondrej Zary <linux@rainbow-software.org>, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, Philippe Coval <philippe.coval@open.eurogiciel.org>

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.