From patchwork Mon Jul 17 13:18:40 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Sakari Ailus X-Patchwork-Id: 703951 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 503DBC0015E for ; Mon, 17 Jul 2023 13:22:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231639AbjGQNV7 (ORCPT ); Mon, 17 Jul 2023 09:21:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59610 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230303AbjGQNVi (ORCPT ); Mon, 17 Jul 2023 09:21:38 -0400 Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EBE172120 for ; Mon, 17 Jul 2023 06:20:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1689600058; x=1721136058; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=f3O10ndvoM0+mtHG+s5Xxg2ZieBuLRXfG5r4lUNPRzQ=; b=VtK5OQQcmAKxzlo5pEvqS7OB9Jwb1AVjqMRDqZPL0xHoAnt5Pg7Ws+I7 Hv0H/vqWw60AzJZeRwbWUAFCb+OVkj9qyV9FVb8/CkRkJ81/8EV9S6BV0 T/5aCV7E1O3IEGV9ONEyyce8WUMDwbgjZuBYQ3xZYCDCXL+TJXgIDnpE9 bUscdm1Ve4FPIN6SPITXv4aL5odvJ8fuTXyQEP4isqJt9B4iwrwDVhrf/ scVK/9GX9wlljmz8VkLl+M14N9MRwNIbcahEKm/1/pQk7vEi9rz3ts2Uu mhth4uZx9BcbpIL2mU5GT9z3JLO43yqOo7Z0camhqp8Qat96NlWpdjCLv A==; X-IronPort-AV: E=McAfee;i="6600,9927,10774"; a="432097472" X-IronPort-AV: E=Sophos;i="6.01,211,1684825200"; d="scan'208";a="432097472" Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Jul 2023 06:20:35 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10774"; a="726541906" X-IronPort-AV: E=Sophos;i="6.01,211,1684825200"; d="scan'208";a="726541906" Received: from turnipsi.fi.intel.com (HELO kekkonen.fi.intel.com) ([10.237.72.44]) by fmsmga007-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Jul 2023 06:20:27 -0700 Received: from punajuuri.localdomain (punajuuri.localdomain [192.168.240.130]) by kekkonen.fi.intel.com (Postfix) with ESMTP id E1901120DD6; Mon, 17 Jul 2023 16:20:15 +0300 (EEST) Received: from sailus by punajuuri.localdomain with local (Exim 4.96) (envelope-from ) id 1qLO8G-004s0U-0A; Mon, 17 Jul 2023 16:19:20 +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 v5 09/38] media: Documentation: v4l: Document missing async subdev function Date: Mon, 17 Jul 2023 16:18:40 +0300 Message-Id: <20230717131909.1160787-10-sakari.ailus@linux.intel.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230717131909.1160787-1-sakari.ailus@linux.intel.com> References: <20230717131909.1160787-1-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 Tested-by: Lad Prabhakar # Renesas RZ/G2L SMARC --- 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 646bd00068be..e463ab4a3413 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 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^