From patchwork Fri Aug 18 15:55:18 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Pinchart X-Patchwork-Id: 13357962 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 B64DAC71159 for ; Fri, 18 Aug 2023 15:55:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1378347AbjHRPzX (ORCPT ); Fri, 18 Aug 2023 11:55:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40752 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1378385AbjHRPzO (ORCPT ); Fri, 18 Aug 2023 11:55:14 -0400 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CB5D32D4A for ; Fri, 18 Aug 2023 08:55:12 -0700 (PDT) Received: from pendragon.ideasonboard.com (213-243-189-158.bb.dnainternet.fi [213.243.189.158]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 6383AC85; Fri, 18 Aug 2023 17:53:56 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1692374036; bh=qFrB9K1b/R39tIb4jURymY8WERNmcqNGoHm1Ip39HFU=; h=From:To:Cc:Subject:Date:From; b=C73lZSdLneAIEMkZ7TBaq//Y7fOHetkVxkIXtdMihGfD1XnLQNXPS2Bwr/PISUbBA X0qmC1kxswByxk9dtNlqimElpgms5dVSwKF46RkSZ1913IDStd/fRHM2jqr+U3tGcX k+IweYwtlu8RN//TeND5ZiPyyy9YrZNmACmmj/ro= From: Laurent Pinchart To: linux-media@vger.kernel.org Cc: Sakari Ailus , Tomi Valkeinen , Hans Verkuil Subject: [PATCH] media: v4l2-subdev: Document that routing support depends on streams Date: Fri, 18 Aug 2023 18:55:18 +0300 Message-ID: <20230818155518.440-1-laurent.pinchart@ideasonboard.com> X-Mailer: git-send-email 2.41.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Routing support, through the subdev .set_routing() operation, requires the subdev to support streams. This is however not clearly documented anywhere. Fix it by expanding the operation's documentation to indicate that subdevs must set the V4L2_SUBDEV_FL_STREAMS flag. Signed-off-by: Laurent Pinchart Reviewed-by: Tomi Valkeinen --- include/media/v4l2-subdev.h | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h index b325df0d54d6..0b04ed1994b6 100644 --- a/include/media/v4l2-subdev.h +++ b/include/media/v4l2-subdev.h @@ -822,8 +822,9 @@ struct v4l2_subdev_state { * operation shall fail if the pad index it has been called on * is not valid or in case of unrecoverable failures. * - * @set_routing: enable or disable data connection routes described in the - * subdevice routing table. + * @set_routing: Enable or disable data connection routes described in the + * subdevice routing table. Subdevs that implement this operation + * must set the V4L2_SUBDEV_FL_STREAMS flag. * * @enable_streams: Enable the streams defined in streams_mask on the given * source pad. Subdevs that implement this operation must use the active