Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754517AbbBTP6D (ORCPT ); Fri, 20 Feb 2015 10:58:03 -0500 Received: from mail-lb0-f176.google.com ([209.85.217.176]:44041 "EHLO mail-lb0-f176.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753921AbbBTP6B (ORCPT ); Fri, 20 Feb 2015 10:58:01 -0500 MIME-Version: 1.0 In-Reply-To: <54E74C8F.9020606@gmail.com> References: <1422889166-29386-1-git-send-email-ilan.peer@intel.com> <20150206235802.GA19988@wotan.suse.de> <20150210200027.GG19988@wotan.suse.de> <20150220005344.GF20824@wotan.suse.de> <36119.1424394185@turing-police.cc.vt.edu> <54E74C8F.9020606@gmail.com> From: "Luis R. Rodriguez" Date: Fri, 20 Feb 2015 07:57:39 -0800 X-Google-Sender-Auth: gkpiSIm65QKmZf8jFOFVVAQa-l8 Message-ID: Subject: Re: [PATCH v4 1/2] cfg80211: Add API to change the indoor regulatory setting To: Jonathan Bither Cc: Valdis Kletnieks , "Peer, Ilan" , "linux-wireless@vger.kernel.org" , ArikX Nemtsov , "linux-kernel@vger.kernel.org" Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1533 Lines: 37 On Fri, Feb 20, 2015 at 7:02 AM, Jonathan Bither wrote: > On 02/19/2015 08:03 PM, Valdis.Kletnieks@vt.edu wrote: >> >> On Fri, 20 Feb 2015 01:53:44 +0100, "Luis R. Rodriguez" said: >>> >>> Wider community: >>> >>> anyone aware of any *need* in the kernel to know whether one is indoor or >>> not on a device running Linux other than wifi? Clearly it should be >>> something >>> that might be of interest to at least other RF devices, so that is at >>> least >>> one possibilty to consider already, but what else? >> >> >> I can think of a lot of reasons for the kernel to make indoor/outdoor >> status available to userspace, but am coming up empty why the kernel >> itself >> should care.... >> > That made me try to think of the possible uses for such a variable but I > imagine that they can all be handled by userspace as well. > Powering down GPS chips for energy consumption. > Applying filters to cameras for fluorescent lights. These days such devices are bundled with all these devices typically aiming towards single-chip, ie one devices with multiple functions and sharing as much as possible, as such it should be possible architecturally to share this. So far then it seems this can just live under its hood under cfg80211 then. Luis -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/