Return-path: Received: from s72.web-hosting.com ([198.187.29.21]:59076 "EHLO s72.web-hosting.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752710AbaATDie (ORCPT ); Sun, 19 Jan 2014 22:38:34 -0500 From: Sujith Manoharan MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Message-ID: <21212.39163.788339.349498@gargle.gargle.HOWL> (sfid-20140120_043837_495847_EEB96CBE) Date: Mon, 20 Jan 2014 09:03:15 +0530 To: Wojciech Dubowik Cc: ath9k-devel@lists.ath9k.org, linux-wireless@vger.kernel.org Subject: Re: [PATCH 5/5] ath9k: Fix TX IQ calibration for SoC chips In-Reply-To: <52D8DC0E.40207@neratec.com> References: <1384665016-12022-1-git-send-email-sujith@msujith.org> <1384665016-12022-5-git-send-email-sujith@msujith.org> <52CE934D.1020400@neratec.com> <21198.40916.260973.48444@gargle.gargle.HOWL> <52CEA5A3.2040308@neratec.com> <21198.43395.235654.597422@gargle.gargle.HOWL> <52CEAB24.5090700@neratec.com> <52D3F962.1010302@neratec.com> <21204.319.492595.58625@gargle.gargle.HOWL> <52D402C3.3070606@neratec.com> <21204.1991.201080.986559@gargle.gargle.HOWL> <21204.2384.710460.402183@gargle.gargle.HOWL> <21204.3832.404821.109119@gargle.gargle.HOWL> <52D63EBB.7020607@neratec.com> <21206.17284.157496.206327@gargle.gargle.HOWL> <52D6472B.2060207@neratec.com> <21207.48441.292580.481850@gargle.gargle.HOWL> <21207.49245.151249.759167@gargle.gargle.HOWL> <52D7C62F.2030307@neratec.com> <21208.20686.79159.966434@gargle.gargle.HOWL> <52D8DC0E.40207@neratec.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: Wojciech Dubowik wrote: > I agree it's more of a workaround because there can be situations > where measured value is far from calibrated. In my setup it > helps but I haven't yet tested what happens in the noisy environment. > > Do you know a better way to fix this? I am not so deep into calibration > tasks but I have a working setup so I could spend more time on that. Well, like I mentioned before, I am not sure if this needs to be fixed. The calibration history is cleared only once on association, anyway. If this happens when running background scans when associated, we can try to fix it. But, I have not seen such behavior, so it would be good to have logs that show abnormal rssi during scan. Sujith