linux-kernel - Re: [PATCH v2 20/20] HID: multitouch: Remove the redundant touch state

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Message-ID: <20120830183446.GA5841@polaris.bitmath.org>
Date:	Thu, 30 Aug 2012 20:34:46 +0200
From:	"Henrik Rydberg" <rydberg@...math.se>
To:	Benjamin Tissoires <benjamin.tissoires@...c.fr>
Cc:	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Jiri Kosina <jkosina@...e.cz>, linux-input@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 20/20] HID: multitouch: Remove the redundant touch
 state

> - After a little bit a playing with some surfaces, I can confuse the
> input_mt_assign_slot_by_id function: for the very same contact id, I
> got up to four different slots.... This accumulates the clicks and is
> not very good.... :-(

Reading again, the input-mt match-by-id code does not do anything near
the same thing as the hid-mt match-by-id code, so this is not at all
surprising. Looks like we need to keep that part in hid-mt, and skip
the corresponding input-mt function. Will fix.

Henrik
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