linux-kernel - Re: [PATCH] hid-multitouch: fix broken eGalax

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Message-ID: <20110612152915.GA18794@polaris.bitmath.org>
Date:	Sun, 12 Jun 2011 17:29:15 +0200
From:	"Henrik Rydberg" <rydberg@...omail.se>
To:	Benjamin Tissoires <benjamin.tissoires@...c.fr>
Cc:	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Jiri Kosina <jkosina@...e.cz>,
	Stephane Chatty <chatty@...-enac.fr>,
	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] hid-multitouch: fix broken eGalax

Hi Benjamin,

> With this patch, the detection is made only when the field ContactID
> has been detected inside the collection.

The patch introduces an order dependence by relying on ContactID
occuring early on, which seems unnecessary. How about checking for the
presence of ContactID instead, and simply modify the logic which uses
last_field_index and last_slot_field?

Thanks,
Henrik
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