Re: [PATCH 4.9.0-rc5] AR9300 calibration problems with antenna selected

From	Matthias May <matthias.may@neratec.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH 4.9.0-rc5] AR9300 calibration problems with antenna selected
Date	2016-11-21 15:20 +0100
Message-ID	<sFXBT-2h6-15@gated-at.bofh.it> (permalink)
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On 21/11/16 14:54, Krzysztof Hałasa wrote:
> miaoqing@codeaurora.org writes:
> 
>>> 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.
> 
> Thanks for your response.
> 
> I have two antenna connections (and a single antenna). Is it possible to
> select the secondary antenna connector only? How?
> 

No this is not really possible.
We have been playing around with this two, three years ago with this.
There are just too many things which rely on chain0
Noise calibration, DFS, Temperature measurement, Spectrum measurement
are just a few of the things I remember which don't work realiably anymore.
See [1] for more.

BR
Matthias

[1]
http://ath9k-devel.ath9k.narkive.com/QZcobwy1/ath9k-deaf-qca9558-when-setting-rxchainmask#post1

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[PATCH 4.9.0-rc5] AR9300 calibration problems with antenna selected khalasa@piap.pl (Krzysztof Hałasa) - 2016-11-15 11:00 +0100
  Re: [4.9.0-rc5] AR9300 calibration problems with antenna selected Kalle Valo <kvalo@codeaurora.org> - 2016-11-17 12:10 +0100
  Re: [PATCH 4.9.0-rc5] AR9300 calibration problems with antenna  selected miaoqing@codeaurora.org - 2016-11-21 06:50 +0100
    Re: [PATCH 4.9.0-rc5] AR9300 calibration problems with antenna selected khalasa@piap.pl (Krzysztof Hałasa) - 2016-11-21 15:00 +0100
      Re: [PATCH 4.9.0-rc5] AR9300 calibration problems with antenna  selected Matthias May <matthias.may@neratec.com> - 2016-11-21 15:20 +0100

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