From 4b8b6267bed9261c5c2f52e6b1ff258cd9305ad2 Mon Sep 17 00:00:00 2001
From: "Mark A. Greer" <mgreer@animalcreek.com>
Date: Wed, 23 Apr 2014 11:00:56 -0700
Subject: [PATCH] NFC: digital: Handle multiple SENSF_REQ frames

According to section 5.15.1.3 of the NFC Activity
Specification, multiple SENSF_REQ commands can be
received by a target before it receives an ATR_REQ
command.  To handle this, add a routine that checks
whether a SENSF_REQ or ATR_REQ has been recieved.
If its a SENSF_REQ, respond appropriately and
continue waiting for a ATR_REQ.  If its an ATR_REQ,
handle it as before.

CC: Thierry Escande <thierry.escande@linux.intel.com>
Signed-off-by: Mark A. Greer <mgreer@animalcreek.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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