From 6b30c73e9f37183ad60c7f7050acf8e8edf91e9c Mon Sep 17 00:00:00 2001
From: Duson Lin <dusonlin@emc.com.tw>
Date: Fri, 7 Aug 2015 14:37:24 -0700
Subject: [PATCH] Input: elantech - add special check for fw_version 0x470f01
 touchpad

It is no need to check the packet[0] for sanity check when doing
elantech_packet_check_v4() function for fw_version = 0x470f01 touchpad.

Signed-off by: Duson Lin <dusonlin@emc.com.tw>
Reviewed-by: Ulrik De Bie <ulrik.debie-os@e2big.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Reading git-format-patch failed