Received: by 2002:a05:6358:d09b:b0:dc:cd0c:909e with SMTP id jc27csp2411236rwb; Fri, 2 Dec 2022 09:22:48 -0800 (PST) X-Google-Smtp-Source: AA0mqf6345HPIH6kVTSKlnfMgR+ND/Or5QOVcCXNmE5Znei8ylLY9QwZaL3M6F4p6vYamd3RwWIV X-Received: by 2002:a17:906:b04e:b0:7ad:d7f9:1f88 with SMTP id bj14-20020a170906b04e00b007add7f91f88mr50175470ejb.217.1670001768662; Fri, 02 Dec 2022 09:22:48 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1670001768; cv=none; d=google.com; s=arc-20160816; b=Cvb/MRQgHqBPmIO/gxsAnz4TwpEzSshzV5Xb537V/dZxw5yMV08C6TVTq+3YMAkP/L giDj/eN77F5Jor8+3pszu7SR80BB0983FxQ74lqV/KPrYWs5burAsaiXcZmLG14uM27+ JqWVxTjAI8yrU5THdGlqMpAQQxBa7YbPZxZzstH0SGPNGKAQFpZOy5MWOZXe0bky/BuV D5+KxcHxvmFSp13FMUQfIx6hj5E360r6+34+4GWfcQpzACcr3QVjkG1ucmMM+X9Xvsua 4s5Y2AYImZBH/BTHuNBX5TQLhek9qdNDaUuYcuZ0HYjibgFjsAzPljycUp9CFKkEHBTI rNhQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:cc:to:in-reply-to:references:message-id :content-transfer-encoding:mime-version:subject:date:from :dkim-signature; bh=TCQ9M8MyOEnK5pTEhdeO3mymMoTWGn8RzIavHlNHD6M=; b=oTkiURtVF2w8IxNI9gfwncVCKig4AVbbd8Ync+F8HzzrAXgOXgXUVEOfI13WUCWsBg wWqO94G/D2RSxPr8aIefYvSv/zwm7SAt3En7QiBNTmXGWf0XvUI9mfjWMd+v8HkZwcgw vVdeunY/aprj4rLUh1uOz2LKBmcJfhyJDbsuvETI79dzw4I7qfl64leWGhxvm6TmVtcU nHiG+7eWsLu7qYoALceuI1kOWgVm5eFnRZCHHp25C6bynnNLFs5/4oEFmTT+SQZ4cVD/ 8u9IyyTi/EL4Akrt12iSQIstjr+hCsuNuJNoU5m+I3EkdTjrzXlEC5HawDxdZK4JR+fi GxOA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@chromium.org header.s=google header.b="R/oMM0lW"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=chromium.org Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id es19-20020a056402381300b00461a144e981si6583904edb.356.2022.12.02.09.22.28; Fri, 02 Dec 2022 09:22:48 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@chromium.org header.s=google header.b="R/oMM0lW"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=chromium.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234360AbiLBRIo (ORCPT + 83 others); Fri, 2 Dec 2022 12:08:44 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44886 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234030AbiLBRIe (ORCPT ); Fri, 2 Dec 2022 12:08:34 -0500 Received: from mail-ej1-x62f.google.com (mail-ej1-x62f.google.com [IPv6:2a00:1450:4864:20::62f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CDFB1D11FD for ; Fri, 2 Dec 2022 09:08:31 -0800 (PST) Received: by mail-ej1-x62f.google.com with SMTP id b2so12988357eja.7 for ; Fri, 02 Dec 2022 09:08:31 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=TCQ9M8MyOEnK5pTEhdeO3mymMoTWGn8RzIavHlNHD6M=; b=R/oMM0lWUbfpFHh0O9/+DBNeQs4nbkDIDSrNwITxX3+i2Myafv0d25iU65xGMgf4IW XKMysLO0P36sYbZ+nT5P+83p3R96mmLyFvA9BKQ5cmt16CFcazjSE3qiUF2E4Nv6vZos HxqQPrOoyOiv43k+qZMxhGjrFKrW92au0ZVYc= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=TCQ9M8MyOEnK5pTEhdeO3mymMoTWGn8RzIavHlNHD6M=; b=4N2uYmzBeAsOKaxrHs8B5dynsQsf7/ubBCDyWgXA0cZgk8Mdt9nQZR4ACaQlIwvW7B HsntTiXbEdqySj9qVPXyw3c4SQGOFEculveyPIy27kayU3mOtrQtSafUqezFKlKfzThy yLT5+qiNbpv7+s3qdhyVwvycWHpmok/CnygE+V3lo5kkmXOnFUsaQgTQKKsDhaGTMPc5 ebFswj1AN3xomeaS8BKo7D/TcRpefWNamK10cG5rVPRsIgob0ItAWLLrp9ZnAJ+o34ur yDXHzpP+ULZLwdcmHjvMCyfUWm3dBodMRCunuXTb3lrapkSrQWMdl4fndvWO70DXPRRU GsFQ== X-Gm-Message-State: ANoB5pn62pNgWjfBA/wwWCeUwYKF3Dy3+kIPbkFCYGy2HDZ/ga76fRHY mCiqbgKEPz+7us3lSm+91/gCTA== X-Received: by 2002:a17:907:77ce:b0:7c0:8225:54d with SMTP id kz14-20020a17090777ce00b007c08225054dmr16814628ejc.286.1670000910178; Fri, 02 Dec 2022 09:08:30 -0800 (PST) Received: from alco.roam.corp.google.com (80.71.134.83.ipv4.parknet.dk. [80.71.134.83]) by smtp.gmail.com with ESMTPSA id p23-20020aa7d317000000b00461cdda400esm3168080edq.4.2022.12.02.09.08.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 02 Dec 2022 09:08:29 -0800 (PST) From: Ricardo Ribalda Date: Fri, 02 Dec 2022 18:08:18 +0100 Subject: [PATCH v4 2/3] media: Documentation/driver-api: Document device name MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20220920-resend-meta-v4-2-3ac355b66723@chromium.org> References: <20220920-resend-meta-v4-0-3ac355b66723@chromium.org> In-Reply-To: <20220920-resend-meta-v4-0-3ac355b66723@chromium.org> To: Yunke Cao , Mauro Carvalho Chehab , Laurent Pinchart , Sergey Senozhatsky Cc: linux-media@vger.kernel.org, Mauro Carvalho Chehab , linux-kernel@vger.kernel.org, Ricardo Ribalda X-Mailer: b4 0.11.0-dev-696ae X-Developer-Signature: v=1; a=openpgp-sha256; l=1173; i=ribalda@chromium.org; h=from:subject:message-id; bh=SfUbFly0L3KPaCuRZ5w00Du+lIHrvLRHPtWI2RZZpxM=; b=owEBbQKS/ZANAwAKAdE30T7POsSIAcsmYgBjijEJTiEOmUITGiLvUCgkbCs81Q810EX+dXH3NyaT mXwvuGGJAjMEAAEKAB0WIQREDzjr+/4oCDLSsx7RN9E+zzrEiAUCY4oxCQAKCRDRN9E+zzrEiH+6D/ 4yIlInPaIUb3c4STKRJvD4EWozBosI6T/1nKVk3G6TFxnh9oizy6AXNbJLZrwtOJpKqkj9Ks5ICQ6B lqFTWpjvhnfKcrVV0ToMygkwju67mqgUSm6PfTUhWhLbxk25i6+luvVtnkJfunw6W46/rU+9YNFs5c w08uwPEckBTM6bciZkTrY7F27fpe6Hf7nW6J/a6gScSnQh7es6pdBrK/xAncOGTE9+SsQJPVvu0LvO tDVnhPz1aV+BYYUCLE+Es/rJcGVBnxw+a+kZXQDqKQBCq2h6m1yThavXXHOh061luADcr0d6wHaIgY g8OoMWu9bnT2QQmADG4cmgTDcM1OfBDXZhDzD/CCuCUEAhiqVYAOB/urPfyIfrFHq8jPhgVv3ws1T6 FPTJj7yvCgHG2tL4oSTVRFX46NiEm/311whLXSBchnQ0zg8VS3paWWhJy5/G/l6lE8tf7yZ37kmf12 6kTAd5Q/WHYXdblAs3uFZs1+Z9NN0VNNJGVmek4sEyv9IrDtAopL2DqRjTxlY8iY8rHsD1hdag7ssg +K+3ZLlfdwsRZyQtHdf1KwYxZrqRzq4wfL1u+Ds+hs5IkmIAlCWQFJyB9chP271obMkui7lUoKlJe+ XehpqL57Kfg8oqOuCmImjeMkOVT8RdJWrmv7yMKLImBs+fvBpOT0Oe6kH62w== X-Developer-Key: i=ribalda@chromium.org; a=openpgp; fpr=9EC3BB66E2FC129A6F90B39556A0D81F9F782DA9 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Document how the name of the metadata devices is modified. Signed-off-by: Ricardo Ribalda --- Documentation/driver-api/media/v4l2-dev.rst | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/Documentation/driver-api/media/v4l2-dev.rst b/Documentation/driver-api/media/v4l2-dev.rst index 99e3b5fa7444..935a46e29c5e 100644 --- a/Documentation/driver-api/media/v4l2-dev.rst +++ b/Documentation/driver-api/media/v4l2-dev.rst @@ -42,7 +42,9 @@ You should also set these fields of :c:type:`video_device`: - :c:type:`video_device`->v4l2_dev: must be set to the :c:type:`v4l2_device` parent device. -- :c:type:`video_device`->name: set to something descriptive and unique. +- :c:type:`video_device`->name: set to something descriptive and unique. If the + device has the `V4L2_CAP_META_CAPTURE` or `V4L2_CAP_META_OUTPUT` capabilities, + the string `Meta:` will be inserted before the original name. - :c:type:`video_device`->vfl_dir: set this to ``VFL_DIR_RX`` for capture devices (``VFL_DIR_RX`` has value 0, so this is normally already the -- 2.39.0.rc0.267.gcb52ba06e7-goog-b4-0.11.0-dev-696ae