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[209.132.180.67]) by mx.google.com with ESMTP id k13-v6si11431415pgt.659.2018.06.01.14.47.05; Fri, 01 Jun 2018 14:47:19 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751191AbeFAVqh (ORCPT + 99 others); Fri, 1 Jun 2018 17:46:37 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:59963 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750796AbeFAVqe (ORCPT ); Fri, 1 Jun 2018 17:46:34 -0400 Received: by atrey.karlin.mff.cuni.cz (Postfix, from userid 512) id 5045D80599; Fri, 1 Jun 2018 23:46:33 +0200 (CEST) Date: Fri, 1 Jun 2018 23:46:32 +0200 From: Pavel Machek To: "H. Nikolaus Schaller" Cc: Johan Hovold , Greg Kroah-Hartman , Rob Herring , Mark Rutland , Andreas Kemnade , Arnd Bergmann , Marcel Holtmann , Sebastian Reichel , Tony Lindgren , linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Subject: Re: [PATCH v3 0/8] gnss: add new GNSS subsystem Message-ID: <20180601214632.GA3234@amd> References: <20180601082259.17563-1-johan@kernel.org> <20180601093311.GA31639@amd> <20180601094959.GA13775@localhost> <20180601102612.GC31639@amd> <20180601122217.GB13775@localhost> <20180601162645.GA30792@amd> <3A356534-FEB0-4E0D-A8C8-922EEF1E0926@computer.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="wRRV7LY7NUeQGEoC" Content-Disposition: inline In-Reply-To: <3A356534-FEB0-4E0D-A8C8-922EEF1E0926@computer.org> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --wRRV7LY7NUeQGEoC Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri 2018-06-01 18:37:36, H. Nikolaus Schaller wrote: > Hi Pavel, >=20 > > Am 01.06.2018 um 18:26 schrieb Pavel Machek : > >=20 > > NMEA would not be my first choice, really. I'd propose something very > > similar to existing /dev/input/eventX, but with wider data types. >=20 > Since even Rome wasn't built in a day, my first choice is NMEA, but I am > open to anything on higher level to come second. >=20 > What about iio? >=20 > It is quite flexible and extensible and GNSS coordinates are a not very > different from accelerometer, gyroscope or compass data as all of them > describe the position and orientation, maybe speed of the device these > things are built into (at least for mobile devices). As I said, I do not want to have that discussion at the moment. Transfering position and orientation is easy, transfering some other data (such as sattelites used for fix) might be trickier. Anyway, I'm pretty sure reasonable solution exists; and yes we could use NMEA. Pavel --=20 (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo= g.html --wRRV7LY7NUeQGEoC Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAlsRvrgACgkQMOfwapXb+vJt5QCdF1wx3Dera+wjZN9XGjeFlsnk ke0AoIGxXyASL/AEpjOMrOLt+ehaO+ew =YiiC -----END PGP SIGNATURE----- --wRRV7LY7NUeQGEoC--