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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A3978C433F5 for ; Wed, 15 Dec 2021 08:23:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236185AbhLOIX2 (ORCPT ); Wed, 15 Dec 2021 03:23:28 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50752 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236171AbhLOIX1 (ORCPT ); Wed, 15 Dec 2021 03:23:27 -0500 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2CEEAC061574 for ; Wed, 15 Dec 2021 00:23:27 -0800 (PST) Received: from [192.168.1.111] (91-156-85-209.elisa-laajakaista.fi [91.156.85.209]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 10E0D292; Wed, 15 Dec 2021 09:23:25 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1639556605; bh=KCuUBMjiLsp6aZRMNIkjYFsijgto6wyYqR9toObGFFs=; h=Subject:To:Cc:References:From:Date:In-Reply-To:From; b=gx7FNUs8YRoaY4bQAaxJtkAVOYPtPSUfQu3qYyaWcHRhipDYzVdJFdAtLPKD5gd6T 7YAW3GleuzX5fAkndpIVniql0ufMFscH16hzens0w0k2nWyX/vNK7Et1efFeUmxPvQ eMv//SF37CTyU/unxawmiIz6WSkKi6LkbcHq/Vhw= Subject: Re: [PATCH v10 25/38] media: add V4L2_SUBDEV_FL_MULTIPLEXED To: Jacopo Mondi Cc: linux-media@vger.kernel.org, sakari.ailus@linux.intel.com, Jacopo Mondi , Laurent Pinchart , niklas.soderlund+renesas@ragnatech.se, Mauro Carvalho Chehab , Hans Verkuil , Pratyush Yadav References: <20211130141536.891878-1-tomi.valkeinen@ideasonboard.com> <20211130141536.891878-26-tomi.valkeinen@ideasonboard.com> <20211214084120.4sfzpwpw3pti5nwy@uno.localdomain> From: Tomi Valkeinen Message-ID: <87a4a17f-a41f-9015-7df9-d086445306c8@ideasonboard.com> Date: Wed, 15 Dec 2021 10:23:22 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.14.0 MIME-Version: 1.0 In-Reply-To: <20211214084120.4sfzpwpw3pti5nwy@uno.localdomain> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org On 14/12/2021 10:41, Jacopo Mondi wrote: > Hi Tomi, > > On Tue, Nov 30, 2021 at 04:15:23PM +0200, Tomi Valkeinen wrote: >> Add subdev flag V4L2_SUBDEV_FL_MULTIPLEXED. It is used to indicate that >> the subdev supports the new API with multiplexed streams (routing, >> stream configs). >> >> Signed-off-by: Tomi Valkeinen >> --- >> include/media/v4l2-subdev.h | 11 +++++++++++ >> 1 file changed, 11 insertions(+) >> >> diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h >> index a82fc74f4646..45861bcdccf5 100644 >> --- a/include/media/v4l2-subdev.h >> +++ b/include/media/v4l2-subdev.h >> @@ -892,6 +892,17 @@ struct v4l2_subdev_internal_ops { >> * should set this flag. >> */ >> #define V4L2_SUBDEV_FL_HAS_EVENTS (1U << 3) >> +/* >> + * Set this flag if this subdev supports multiplexed streams. This means >> + * that the driver supports routing and handles the stream parameter in its >> + * v4l2_subdev_pad_ops handlers. More specifically, this means: >> + * >> + * - Centrally managed active state is enabled >> + * - Legacy pad config is _not_ supported (state->pads) > > Does this still apply after pad config has been replaced by try states ? What do you mean? If a subdev is V4L2_SUBDEV_FL_MULTIPLEXED, state->pads is NULL, so there's no legacy pad config available. Tomi