From patchwork Tue Sep 20 14:09:04 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ricardo Ribalda X-Patchwork-Id: 608142 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 70566C6FA8E for ; Tue, 20 Sep 2022 14:10:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231537AbiITOKX (ORCPT ); Tue, 20 Sep 2022 10:10:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42628 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231633AbiITOJw (ORCPT ); Tue, 20 Sep 2022 10:09:52 -0400 Received: from mail-ej1-x629.google.com (mail-ej1-x629.google.com [IPv6:2a00:1450:4864:20::629]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0D78A60500 for ; Tue, 20 Sep 2022 07:09:17 -0700 (PDT) Received: by mail-ej1-x629.google.com with SMTP id y3so6515897ejc.1 for ; Tue, 20 Sep 2022 07:09:17 -0700 (PDT) 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; bh=2PCHXmpS3a4cpm6Nvunds7hNUWRumI4ZR//08i+61VY=; b=D2wAPJISTcLpYO4j2hX8z2YoGvo4E0F/zz8vRLrSJoy4irorQeC/xtj4aqJVfZToxH u6iuorVsRURTRKKXDP7+mG0egL1MKc2yY0Rc8IKbHNZShB1qfaYEbU7CX7Sdt9AjcXhh vo5qkcqJLiZcZ3mdVDV//q3ouHqQmyi/HnQ78= 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; bh=2PCHXmpS3a4cpm6Nvunds7hNUWRumI4ZR//08i+61VY=; b=y6eKbirWPWUXY+MpNW/4PFws+fcJis15PvQtB7B+coMkgQ4ReP/zR8zmkLm/UULw2l 6Pz3Vm/2Aa3Zax1jBDyguqz1JxjciYn7dIXUVwLNoQzVGIP2WoN241wa5G6kbBJMgOfB kEDSGBJ4Io0W0LZlUuPZgn+eKKanqHGvK9/HEzed9sPk/CjY4bA9OCJgRrtTOlRRxy7r 14CkoEBKFfJzohVgj1OU0sR2YelH6z9BdtjnRiw9EFNflA9tf/VboQrQtuZpWGks/vjA R9Qh2rWdE9loIssL3CV83NS252TmM3SpTYnBbmUPviJJofikjwjMjHUjTxNdQJ9ev2SH 1Oow== X-Gm-Message-State: ACrzQf1YFzVA6rcN+m/4C6pcUtI/RVIgglwPOXtOu1xxWr3NVcM3mKDG sH4uzu/JSs7ZDKV50x6AiVhWSw== X-Google-Smtp-Source: AMsMyM4wUO5alvyyaOIrWcEMfcGIZotOLC8BzY1nvMaz1PDnulMCev9vwBb8p9IGjcntBsopXkuRMw== X-Received: by 2002:a17:906:328c:b0:780:7574:ced2 with SMTP id 12-20020a170906328c00b007807574ced2mr17218545ejw.634.1663682955943; Tue, 20 Sep 2022 07:09:15 -0700 (PDT) Received: from alco.roam.corp.google.com ([2620:0:1059:10:935d:52b0:7461:88e1]) by smtp.gmail.com with ESMTPSA id l10-20020a1709063d2a00b0077f324979absm927133ejf.67.2022.09.20.07.09.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 20 Sep 2022 07:09:15 -0700 (PDT) From: Ricardo Ribalda Date: Tue, 20 Sep 2022 16:09:04 +0200 Subject: [PATCH v1 2/3] media: Documentation/driver-api: Document device name MIME-Version: 1.0 Message-Id: <20220920-resend-meta-v1-2-dfcfba923204@chromium.org> References: <20220920-resend-meta-v1-0-dfcfba923204@chromium.org> In-Reply-To: <20220920-resend-meta-v1-0-dfcfba923204@chromium.org> To: Laurent Pinchart , Mauro Carvalho Chehab Cc: Ricardo Ribalda , linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, Mauro Carvalho Chehab X-Mailer: b4 0.11.0-dev-d93f8 X-Developer-Signature: v=1; a=openpgp-sha256; l=1032; i=ribalda@chromium.org; h=from:subject:message-id; bh=HciaCCHyEvIeKVlrlc8/DyoOKo+/6DQ85iWol0LXRbE=; b=owEBbQKS/ZANAwAKAdE30T7POsSIAcsmYgBjKcmFzWpUkjaI0rM9439zD7utogdFtHDytIIQ715s 163jHKSJAjMEAAEKAB0WIQREDzjr+/4oCDLSsx7RN9E+zzrEiAUCYynJhQAKCRDRN9E+zzrEiCrOD/ 99Ws+U83b/ujdRcBlQC/bTHWwpmOlA1KQrDTD6BrJNb6Mxv1/A5387x6PF7xMkHPGdE8YR1aqgymPS 6fu1WgeVlvdlcqYjHhYd+i7Mm4/2IKyFHEUcKfHXDjn4mpomb0RL17/3wrsiKsGbfFo/aMLAnKUbE/ iUYwioRJLg/3VTLu1je93hWsardGfR1Nja3ABreq8YmQpMwzyIr/GAXuJkcpZVEMLUj7eZSSHwVm6X aJ8cyoOGRudSpfpcLgZkltZHOUTZRL8E1VEwZKbHRpK4en4ZnYOXtFgMB4PjSF5SflDQKKI9s2e0zu +D3GcSL8LD1VZhdVVunho+fXh+c8ocjkr1YQ+VGVmYiV5crKOFCRtq1JmdQe02i6devgvEvQlmslH+ a/o5bk9VmUXqQts38YWVX9aHV6cpD7AJdCiaNPZgXOvpIhY14k+/ygiMHkRHa0qRqOKyulTOhlmOHX I+dj4jOExZYH/OGtp0gBft1im3iVTlfAUSE2isru0pViuBhHn6eLoDOz2D5SV2OKcWfgK0M0ZUJObu rdylqzKd/LvZxm92UTdPDWaaCOg2bG/BKtlBRtNAXvG2ZpujFVUY4GAE/vmWDcFbj7ed3SHEMNqZEs V7X3bklXy2T56G5DDAMdFAtWhL81RPuYKrEEuB0quBBeDJks+A502yS1iJmg== X-Developer-Key: i=ribalda@chromium.org; a=openpgp; fpr=9EC3BB66E2FC129A6F90B39556A0D81F9F782DA9 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Document how the name of the metadata devices is modified. Signed-off-by: Ricardo Ribalda 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