From: Okhwan Lee <ohlee@mwnl.snu.ac.kr>
To: Michal Kazior <michal.kazior@tieto.com>
Cc: "ath10k@lists.infradead.org" <ath10k@lists.infradead.org>
Subject: Re: Tx power setting
Date: Fri, 7 Nov 2014 09:49:11 +0900 [thread overview]
Message-ID: <etPan.545c1707.216231b.15130@Mac-Pro.local> (raw)
In-Reply-To: <CA+BoTQkJJjNG09Pp_Svpmr+4soXT8Dw1En91BrW9GnnhEFwhYg@mail.gmail.com>
Hi all,
Thank you for the answer.
As you said, if we use the most recent version of ath10k, it works correctly.
--
Okhwan Lee
Sent with Airmail
켜짐 2014년 11월 5일 에서 오후 10:54:55, Michal Kazior (michal.kazior@tieto.com(mailto:michal.kazior@tieto.com)) 작성됨:
> On 5 November 2014 09:41, Okhwan Lee wrote:
> > Hi,
> >
> > We are trying to change the tx power of QCA 9880.
> > We use 3.16.1 linux kernel and backport (3.16.1) to use the emerging ath10k device driver and 10.1.467.2-1 firmware.
> >
> > However, we can not change the tx power setting (default 0 dBm) by using iw or iwconfig commands.
>
> What do you mean "can not change". Do you get an error message? Where
> does it say you have 0 dBm as the default?
>
>
> > Based on my understanding, if we change the tx power using the commands, ath10k_config() function should be invoked.
> > However, the function is not called.
> > And the received signal strength at the receiver side does not change.
> >
> > If you have any idea, please let me know.
>
> I'm using fbb5c042800ec42459a5cc307dec566d8e316927 from
> github.com/kvalo/ath/ (based on 3.17). I don't see the problem you
> describe - I can change tx powed with, e.g. `iw wlan1 set txpower
> fixed 1000`. The other end reports different signal strength values
> when I change txpower. Can you re-test with latest ath10k code,
> please?
>
>
> Michał
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prev parent reply other threads:[~2014-11-07 0:49 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-05 8:41 Tx power setting Okhwan Lee
2014-11-05 13:54 ` Michal Kazior
2014-11-07 0:49 ` Okhwan Lee [this message]
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