linux-kernel - Re: [RFC v1 0/4] Input: support virtual objects on touchscreens

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Message-ID: <ZEpWrWpzkI9kNTkr@duo.ucw.cz>
Date:   Thu, 27 Apr 2023 13:04:13 +0200
From:   Pavel Machek <pavel@....cz>
To:     Javier Carrasco <javier.carrasco@...fvision.net>,
        phone-devel@...r.kernel.org
Cc:     linux-input@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Henrik Rydberg <rydberg@...math.org>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Stephen Boyd <sboyd@...nel.org>,
        Sebastian Reichel <sre@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>,
        Uwe Kleine-g <u.kleine-koenig@...gutronix.de>,
        Bastian Hecht <hechtb@...il.com>,
        Michael Riesch <michael.riesch@...fvision.net>
Subject: Re: [RFC v1 0/4] Input: support virtual objects on touchscreens

Hi!

> Some touchscreens are shipped with a physical layer on top of them where
> a number of buttons and a resized touchscreen surface might be
> available.

Yes, it is quite comon, for example Motorola Droid 4 has 4 virtual
buttons below touchscreen.

One question is if this should be handled inside the kernel. It will
make it compatible with existing software, but it will also reduce
flexibility.

Best regards,
								Pavel
-- 
People of Russia, stop Putin before his war on Ukraine escalates.

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