Return-path: Received: from wolverine01.qualcomm.com ([199.106.114.254]:17603 "EHLO wolverine01.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1764039AbdDSOI4 (ORCPT ); Wed, 19 Apr 2017 10:08:56 -0400 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Subject: Re: [v2,3/3] ath9k: add noise floor override option From: Kalle Valo In-Reply-To: <20170323133048.30062-4-sw@simonwunderlich.de> References: <20170323133048.30062-4-sw@simonwunderlich.de> To: Simon Wunderlich CC: , , , Mathias Kretschmer , Simon Wunderlich Message-ID: <789c82fc5c3b446b8b24c87ec9e45ed5@euamsexm01a.eu.qualcomm.com> (sfid-20170419_160859_849854_309A1066) Date: Wed, 19 Apr 2017 16:08:47 +0200 Sender: linux-wireless-owner@vger.kernel.org List-ID: Simon Wunderlich wrote: > Introduce a debugfs option to manually override the noise floor, > ignoring the automatically tuned noise floor of the driver/hw. > > In my tests with a AR9580 based module and a tx99 5 MHz interferer, > I could tune the noisefloor to -95 dBm or above to allow communication > again. The automatic noise floor calibration sometimes could adapt to > the situation as well, but not reliably and permanently. > > I would consider this "feature" experimental and interesting for people > debugging the noise floor calibration or other effects of the hardware. > > Signed-off-by: Simon Wunderlich > Signed-off-by: Mathias Kretschmer Patch applied to ath-next branch of ath.git, thanks. b90189759a7f ath9k: add noise floor override option -- https://patchwork.kernel.org/patch/9641107/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches