From 05253c93feb40901d80a0d6f239a0bc78860c679 Mon Sep 17 00:00:00 2001
From: Ivo van Doorn <ivdoorn@gmail.com>
Date: Mon, 25 Feb 2008 23:15:08 +0100
Subject: [PATCH] rt2x00: Don't switch to antenna with low rssi

When rssi_a > rssi_b is true and the current antenna
was already antenna A, then rt2x00 incorrectly jumped
to antenna B.

Also don't configure the antenna when there has been
no change in the antenna setup.

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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