From: RA-Jay Hung <Jay_Hung@ralinktech.com>
Date: Sun, 20 Feb 2011 12:54:52 +0000 (+0100)
Subject: rt2x00: Add antenna setting for RT3070/RT3090/RT3390 with RX antenna diversity support
X-Git-Tag: v2.6.39-rc1~468^2~238^2^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d96aa640967ab10641a0a389a4a1569efa54ac72;p=pandora-kernel.git

rt2x00: Add antenna setting for RT3070/RT3090/RT3390 with RX antenna diversity support

For RT3070/RT3090/RT3390 with RX antenna diversity support, we must select
default antenna using gpio control way even if we do not turn on
antenna diversity feature.

Seperate the meaning of TX/RX chain and antenna. Some chips use
2x2 TX/RX chain but may have 3 RX antennas or 1x1 TX/RX chain
but may have 2 RX antennas to do antenna diversity.

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