From: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Date: Fri, 6 Dec 2013 10:58:45 +0000 (+0530)
Subject: ath9k: Use a separate TX gain table for WZR-HP-G450H
X-Git-Tag: v3.14-rc1~94^2~482^2^2~20
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0f978bfaf2600040f9826f394eb12e023bef3068;p=pandora-kernel.git

ath9k: Use a separate TX gain table for WZR-HP-G450H

The Buffalo device WZR-HP-G450H uses the index 3 for TX gain,
which is set to the high_power table currently. Later variants
of the router use the same index, but instead refer to the
low_ob_db gain table. This is not handled in the driver since
there is no way to distinguish board revisions and the high_power
table is used (incorrectly) for the newer variants.

By default, devices based on AR9300 using the TX gain index 3 have
to use the high_power table. To make sure that WZR-HP-G450H is not
broken when the high_power table is updated, use a separate array
based on information obtained from the platform data.

The current situation where only the original variant of WZR-HP-G450H
works properly stays unchanged.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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