From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_2 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D9691C38A2A for ; Wed, 6 May 2020 09:51:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BB31720753 for ; Wed, 6 May 2020 09:51:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588758673; bh=eFSAdEyNLaZ5Qf7bi+0cJ2c4tWl25iLiNx8S35xmpKU=; h=Date:From:To:Cc:Subject:In-Reply-To:References:List-ID:From; b=sn34A34w8MYhKfEWs8u6TOQOtCDRSuPs8/sOH7aFwUC+v+luMyp2UKb8rQiyejWKD gC+F62qLd1LPuSPuEGo2ACCIoir1T4LHgSn6jwO3RAm+rjJQR40Z4dNJPnrz5YHfM2 42qaL0ZnLz78CwxxTnkUFPdyBVXb9GdfuEW/fO/o= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729280AbgEFJvM (ORCPT ); Wed, 6 May 2020 05:51:12 -0400 Received: from mail.kernel.org ([198.145.29.99]:53250 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729272AbgEFJvL (ORCPT ); Wed, 6 May 2020 05:51:11 -0400 Received: from coco.lan (ip5f5ad5c5.dynamic.kabel-deutschland.de [95.90.213.197]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 48DFF20714; Wed, 6 May 2020 09:51:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588758671; bh=eFSAdEyNLaZ5Qf7bi+0cJ2c4tWl25iLiNx8S35xmpKU=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=hAIwJpbu7bRiEq8IU40nZgRTF5/zqV+vxd97m+XNzpPX9KyNUOoF6z7XT1uop1zGP 5Jezr82DnT5rlQ2xQEDzcplZ822LgOxuZxn2cwwEK7bpz6ypORxgO/Jy/oC+owmKXA 4ySj1qxWkAw7jNd1k4rj2/LqnYRPjvTw/PiGohwk= Date: Wed, 6 May 2020 11:51:06 +0200 From: Mauro Carvalho Chehab To: Sakari Ailus Cc: Laurent Pinchart , linux-media@vger.kernel.org, Niklas =?UTF-8?B?U8O2ZGVybHVuZA==?= , Helen Koike , Hans Verkuil , linux-renesas-soc@vger.kernel.org Subject: Re: [PATCH v8.1 3/6] media: v4l2: Extend VIDIOC_ENUM_FMT to support MC-centric devices Message-ID: <20200506115106.745e03aa@coco.lan> In-Reply-To: <20200429200808.GK9190@paasikivi.fi.intel.com> References: <20200421135743.1381930-4-niklas.soderlund+renesas@ragnatech.se> <20200424134331.22271-1-laurent.pinchart@ideasonboard.com> <20200429182739.274ce451@coco.lan> <20200429163849.GK5956@pendragon.ideasonboard.com> <20200429200140.22a4db22@coco.lan> <20200429185033.GN5956@pendragon.ideasonboard.com> <20200429200808.GK9190@paasikivi.fi.intel.com> X-Mailer: Claws Mail 3.17.5 (GTK+ 2.24.32; x86_64-redhat-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org Em Wed, 29 Apr 2020 23:08:08 +0300 Sakari Ailus escreveu: > > I could settle for > > > > These devices don't advertise the ``V4L2_CAP_IO_MC`` :ref:`capability > > `. Applications shall initialize the ``mbus_code`` field > > to zero and drivers shall ignore the value of the field. > > > > and similarly below. It bothers me though, as "bridge" isn't formally > > defined anywhere in the userspace API documentation. It's more formal to > > explain the behaviour of individual ioctls based solely on the > > V4L2_CAP_IO_MC flag, and gather all the explanation of what > > bridge-centric vs. MC-centric means in a single place, an introductory > > How about "video node centric"? Works for me. Thanks, Mauro