From patchwork Thu Jun 22 11:39:59 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Sakari Ailus X-Patchwork-Id: 695511 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 CDFAAEB64D8 for ; Thu, 22 Jun 2023 11:41:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230452AbjFVLlR (ORCPT ); Thu, 22 Jun 2023 07:41:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42230 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230348AbjFVLlO (ORCPT ); Thu, 22 Jun 2023 07:41:14 -0400 Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 659611BF9 for ; Thu, 22 Jun 2023 04:41:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1687434073; x=1718970073; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=/mTSxL7PYp2oPVqyLDTgbCsgQArjvs6KJotDNsCK3C0=; b=k6CUGhFH+Uloj5yCirrJZQjyNCVYAE3bbob87J5l/rwCx/z/3g0uL2g+ Y6pggh00sY+D/tAUYgjlqXOfv8bqKOttpwvKSBxiANDs4x9Gt5Z0fzSB1 fUAuo2tShKK7HwrRPYwhGcCG5uzp3PFd+zdo8V21hIpSIL9iBWj3my1CM 4lwv6cZ6VWA4/BI6cm5FsqsgtGn6KfkC1Go2Q46OS0EHdembl/rwmun6g edbabi18cAHNVn3cL/UzMyXfxkROc/uVo6Yxt3ip/tB8hvoUPUSOmOFW3 NS0geIyKMbZwW0NXyZsoGjSUvO3v7ng/qOu1SZd2Hohu5oHCi3rRTmVVG g==; X-IronPort-AV: E=McAfee;i="6600,9927,10748"; a="357957619" X-IronPort-AV: E=Sophos;i="6.00,263,1681196400"; d="scan'208";a="357957619" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Jun 2023 04:41:10 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10748"; a="804749891" X-IronPort-AV: E=Sophos;i="6.00,263,1681196400"; d="scan'208";a="804749891" Received: from turnipsi.fi.intel.com (HELO kekkonen.fi.intel.com) ([10.237.72.44]) by fmsmga003-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Jun 2023 04:41:02 -0700 Received: from punajuuri.localdomain (punajuuri.localdomain [192.168.240.130]) by kekkonen.fi.intel.com (Postfix) with ESMTP id E1C22120B44; Thu, 22 Jun 2023 14:40:50 +0300 (EEST) Received: from sailus by punajuuri.localdomain with local (Exim 4.96) (envelope-from ) id 1qCIg2-003oSa-2g; Thu, 22 Jun 2023 14:40:38 +0300 From: Sakari Ailus To: linux-media@vger.kernel.org Cc: laurent.pinchart@ideasonboard.com, Philipp Zabel , hverkuil@xs4all.nl, Francesco Dolcini , aishwarya.kothari@toradex.com, Robert Foss , Todor Tomov , Hyun Kwon , bingbu.cao@intel.com, niklas.soderlund@ragnatech.se, Kieran Bingham , Benjamin Mugnier , Sylvain Petinot , Eugen Hristev , Nicolas Ferre , Maxime Ripard , Rui Miguel Silva , Fabio Estevam , Bryan O'Donoghue , Sylwester Nawrocki , Dafna Hirschfeld , Hugues Fruchet , Yong Deng , Paul Kocialkowski , "Lad, Prabhakar" , Benoit Parrot , Steve Longerbeam , Thierry Reding , Jonathan Hunter , Sowjanya Komatineni , Marco Felsch Subject: [PATCH v4 09/38] media: Documentation: v4l: Document missing async subdev function Date: Thu, 22 Jun 2023 14:39:59 +0300 Message-Id: <20230622114028.908825-10-sakari.ailus@linux.intel.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230622114028.908825-1-sakari.ailus@linux.intel.com> References: <20230622114028.908825-1-sakari.ailus@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Also v4l2_async_nf_add_fwnode() may be used to add an async sub-device descriptor to a notifier. Document this. Also remove a redundant sentence. Signed-off-by: Sakari Ailus Tested-by: Philipp Zabel # imx6qp Tested_by: Niklas Söderlund # rcar + adv746x Reviewed-by: Laurent Pinchart Tested-by: Aishwarya Kothari # Apalis i.MX6Q with TC358743 --- Documentation/driver-api/media/v4l2-subdev.rst | 14 +++++--------- 1 file changed, 5 insertions(+), 9 deletions(-) diff --git a/Documentation/driver-api/media/v4l2-subdev.rst b/Documentation/driver-api/media/v4l2-subdev.rst index 646bd00068be2..e463ab4a3413a 100644 --- a/Documentation/driver-api/media/v4l2-subdev.rst +++ b/Documentation/driver-api/media/v4l2-subdev.rst @@ -206,15 +206,11 @@ takes two arguments: a pointer to struct :c:type:`v4l2_device` and a pointer to struct :c:type:`v4l2_async_notifier`. Before registering the notifier, bridge drivers must do two things: first, the -notifier must be initialized using the :c:func:`v4l2_async_nf_init`. -Second, bridge drivers can then begin to form a list of subdevice descriptors -that the bridge device needs for its operation. Several functions are available -to add subdevice descriptors to a notifier, depending on the type of device and -the needs of the driver. - -:c:func:`v4l2_async_nf_add_fwnode_remote` and -:c:func:`v4l2_async_nf_add_i2c` are for bridge and ISP drivers for -registering their async sub-devices with the notifier. +notifier must be initialized using the :c:func:`v4l2_async_nf_init`. Second, +bridge drivers can then begin to form a list of subdevice descriptors that the +bridge device needs for its operation. :c:func:`v4l2_async_nf_add_fwnode`, +:c:func:`v4l2_async_nf_add_fwnode_remote` and :c:func:`v4l2_async_nf_add_i2c` +are available for that purpose. Asynchronous sub-device registration helper for camera sensor drivers ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^