Return-path: Received: from purkki.adurom.net ([80.68.90.206]:40477 "EHLO purkki.adurom.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752920Ab3LJPq6 convert rfc822-to-8bit (ORCPT ); Tue, 10 Dec 2013 10:46:58 -0500 From: Kalle Valo To: Pali =?utf-8?Q?Roh=C3=A1r?= Cc: Luciano Coelho , "John W. Linville" , linux-wireless@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, freemangordon@abv.bg, aaro.koskinen@iki.fi, pavel@ucw.cz, sre@ring0.de, joni.lapilainen@gmail.com, Johannes Berg , Felipe Contreras , David Gnedt Subject: Re: [PATCH v2 02/16] wl1251: add sysfs interface for bluetooth coexistence mode configuration References: <1382819655-30430-1-git-send-email-pali.rohar@gmail.com> <1386494714-21070-1-git-send-email-pali.rohar@gmail.com> <1386494714-21070-3-git-send-email-pali.rohar@gmail.com> Date: Tue, 10 Dec 2013 17:46:54 +0200 In-Reply-To: <1386494714-21070-3-git-send-email-pali.rohar@gmail.com> ("Pali =?utf-8?Q?Roh=C3=A1r=22's?= message of "Sun, 8 Dec 2013 10:25:00 +0100") Message-ID: <87y53spv2p.fsf@purkki.adurom.net> (sfid-20131210_164703_138470_58D3E5A5) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Sender: linux-wireless-owner@vger.kernel.org List-ID: Pali Rohár writes: > From: David Gnedt > > Port the bt_coex_mode sysfs interface from wl1251 driver version included > in the Maemo Fremantle kernel to allow bt-coexistence mode configuration. > This enables userspace applications to set one of the modes > WL1251_BT_COEX_OFF, WL1251_BT_COEX_ENABLE and WL1251_BT_COEX_MONOAUDIO. > The default mode is WL1251_BT_COEX_OFF. > It should be noted that this driver always enabled bt-coexistence before > and enabled bt-coexistence directly affects the receiving performance, > rendering it unusable in some low-signal situations. Especially monitor > mode is affected very badly with bt-coexistence enabled. > > Signed-off-by: David Gnedt > Signed-off-by: Pali Rohár I think this is also what I wrote a long time. And also this sysfs hack should not go to upstream. Over the years there has been some talk about solving the BT coex properly, but I haven't seen any patches. I guess the proper solution would be that BT subsystem in kernel would notify wireless drivers about BT use? -- Kalle Valo