From: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Date: Fri, 22 Mar 2013 17:38:28 +0000 (+0100)
Subject: HID: input: don't register unmapped input devices
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~105^2~2^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4f22decf9b6329acfe59091c5cba6b378b9b31db;p=pandora-kernel.git

HID: input: don't register unmapped input devices

There is no need to register an input device containing no events.
This allows drivers using the quirk MULTI_INPUT to register one input
per report effectively used.

For backward compatibility, we need to add a quirk to request
this behavior.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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