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

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Message-ID: <20200426045200.GN125362@dtor-ws>
Date:   Sat, 25 Apr 2020 21:52:00 -0700
From:   Dmitry Torokhov <dmitry.torokhov@...il.com>
To:     Michał Mirosław <mirq-linux@...e.qmqm.pl>
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 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).

Thanks.

-- 
Dmitry