linux-kernel - Re: [PATCH v3 3/9] input: elants: remove unused axes

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Message-ID: <20200426112150.GA16230@qmqm.qmqm.pl>
Date:   Sun, 26 Apr 2020 13:21:50 +0200
From:   Michał Mirosław <mirq-linux@...e.qmqm.pl>
To:     Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:     Dmitry Osipenko <digetx@...il.com>,
        Henrik Rydberg <rydberg@...math.org>,
        James Chen <james.chen@....com.tw>,
        Johnny Chuang <johnny.chuang@....com.tw>,
        Rob Herring <robh+dt@...nel.org>,
        Scott Liu <scott.liu@....com.tw>,
        David Heidelberg <david@...t.cz>, linux-input@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 3/9] input: elants: remove unused axes

On Sat, Apr 25, 2020 at 09:52:00PM -0700, Dmitry Torokhov wrote:
> On Mon, Apr 13, 2020 at 03:32:23PM +0200, Michał Mirosław wrote:
> > Driver only ever reports MT events. Clear capabilities of all others.
> This is not true. input_mt_sync_frame() calls
> input_mt_report_pointer_emulation() which does emut single-touch events
> for the benefit of older userspace (or userspace that is not interested
> in multitouch).

Oh, I didn't notice that. Looking at the code, I see that
input_mt_init_slots() sets up the emulated axes in this case.

Do you need me to update the commitmsg?

Best Regards,
Michał Mirosław