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Date: Sat, 15 Oct 2011 17:41:28 +0400
Message-ID: <CAN=pzdJgba-mdJHLDC+_LpgSiMwff4vbB-oUp2VDwYsSouedPA@mail.gmail.com> (sfid-20111015_154141_751722_CD51D59E)
Subject: Re: Ath9k, single antenna on ar9280
From: Stanislav Demakov <s.demakov@gmail.com>
To: Felix Fietkau <nbd@openwrt.org>
Cc: linux-wireless@vger.kernel.org
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Sender: linux-wireless-owner@vger.kernel.org

And the last question...
Can you confirm that after setting antenna configuration to 1x1 I can
safely detach 2nd physical connector from the adapter? I mean is there
a guarantees that device will only use the 1st antenna.

2011/10/15 Stanislav Demakov <s.demakov@gmail.com>:
> I've found it. Hostapd was the reason. After killing it set antenna works.
> Thanks. :)
>
> 2011/10/15 Felix Fietkau <nbd@openwrt.org>:
>> On 2011-10-15 2:24 PM, Stanislav Demakov wrote:
>>>
>>> I'm running Ubuntu Server 11.10 - (kernel: ?Linux server
>>> 3.0.0-12-generic x86_64)
>>>
>>> ath9k from compat-wireless-2011-10-12 and current iw from git compiled
>>> with libnl1.
>>>
>>> The wireless chip is AR9280. (2x2 MIMO)
>>>
>>> Also
>>> echo 1> ?/sys/kernel/debug/ieee80211/phy0/ath9k/rx_chainmask
>>> echo 1> ?/sys/kernel/debug/ieee80211/phy0/ath9k/tx_chainmask
>>> is written at boot.
>>>
>>> Is something wrong above?
>>
>> Do not mess with the rx_chainmask/tx_chainmask parameters, that may be the
>> reason why it's not working for you.
>>
>> - Felix
>>
>