From: Felix Fietkau <nbd@openwrt.org>
Date: Mon, 2 Aug 2010 13:53:15 +0000 (+0200)
Subject: ath9k: shorten the calibration interval during strong interference
X-Git-Tag: v2.6.37-rc1~147^2~679^2~80
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6044474ed86484b899d46e040ade3872e83fc9f7;p=pandora-kernel.git

ath9k: shorten the calibration interval during strong interference

When the noise floor limits are being bypassed because of strong
interference, sensitivity is also reduced.
In order to recover from this as quickly as possible, trigger a
long periodic calibration every second instead of every 30 seconds,
until the NF median is within limits again. This is especially important
if the interference lasts for a while, since it takes multiple clean
NF calibrations to bring the median back to normal.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

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