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Message-ID: <2ea016e563f5db553f201a7d4205c2c0@codeaurora.org>
Date: Mon, 21 Nov 2016 13:48:03 +0800
From: miaoqing@...eaurora.org
To: Krzysztof HaĆasa <khalasa@...p.pl>,
ath9k-devel <ath9k-devel@....qualcomm.com>,
Kalle Valo <kvalo@...eaurora.org>,
linux-wireless@...r.kernel.org, ath9k-devel@...ts.ath9k.org,
netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4.9.0-rc5] AR9300 calibration problems with antenna
selected
I would prefer that you didn't submit this.
>
> I recently tried to select a single antenna on AR9300 and it works for
> 30 seconds only. The subsequent calibration makes the RX signal level
> to drop from the usual -30/-40 dBm to -70/-80 dBm, and the
> transmission practically stops.
>
> With the attached patch it works, though selecting the antenna doesn't
> seem to have any visible effect, at least with "iw wlanX station dump"
> (perhaps it works for TX).
>
> I'm using ad-hoc mode:
>
> rmmod ath9k
> modprobe ath9k
> iw dev wlan0 set type ibss
> iw phy phyX set antenna 2
2 is a bad mask. We use bitmap, the valid masks are 1, 3, 7.
--
Miaoqing
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