From patchwork Mon Jun 27 17:56:56 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Niklas_S=C3=B6derlund?= X-Patchwork-Id: 9201071 X-Patchwork-Delegate: geert@linux-m68k.org Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 999106075F for ; Mon, 27 Jun 2016 17:57:38 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8DC08285AB for ; Mon, 27 Jun 2016 17:57:38 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 813E3285AA; Mon, 27 Jun 2016 17:57:38 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 08FF3285AA for ; Mon, 27 Jun 2016 17:57:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751932AbcF0R5h (ORCPT ); Mon, 27 Jun 2016 13:57:37 -0400 Received: from smtp-4.sys.kth.se ([130.237.48.193]:32872 "EHLO smtp-4.sys.kth.se" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751748AbcF0R5g (ORCPT ); Mon, 27 Jun 2016 13:57:36 -0400 Received: from smtp-4.sys.kth.se (localhost.localdomain [127.0.0.1]) by smtp-4.sys.kth.se (Postfix) with ESMTP id D109E34D0; Mon, 27 Jun 2016 19:57:34 +0200 (CEST) X-Virus-Scanned: by amavisd-new at kth.se Received: from smtp-4.sys.kth.se ([127.0.0.1]) by smtp-4.sys.kth.se (smtp-4.sys.kth.se [127.0.0.1]) (amavisd-new, port 10024) with LMTP id BJzubSeMLTns; Mon, 27 Jun 2016 19:57:34 +0200 (CEST) X-KTH-Auth: niso [89.233.230.99] X-KTH-mail-from: niklas.soderlund+renesas@ragnatech.se Received: from bismarck.berto.se (unknown [89.233.230.99]) by smtp-4.sys.kth.se (Postfix) with ESMTPSA id BCE3234AF; Mon, 27 Jun 2016 19:57:32 +0200 (CEST) From: =?UTF-8?q?Niklas=20S=C3=B6derlund?= To: linux-media@vger.kernel.org, linux-renesas-soc@vger.kernel.org, laurent.pinchart@ideasonboard.com Cc: ulrich.hecht+renesas@gmail.com, hans.verkuil@cisco.com, Michal Simek , =?UTF-8?q?Niklas=20S=C3=B6derlund?= Subject: [RFC 1/2] media: entity: Add has_route entity operation Date: Mon, 27 Jun 2016 19:56:56 +0200 Message-Id: <20160627175657.25391-2-niklas.soderlund+renesas@ragnatech.se> X-Mailer: git-send-email 2.8.3 In-Reply-To: <20160627175657.25391-1-niklas.soderlund+renesas@ragnatech.se> References: <20160627175657.25391-1-niklas.soderlund+renesas@ragnatech.se> MIME-Version: 1.0 Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Laurent Pinchart The optional operation can be used by entities to report whether two pads are internally connected. Signed-off-by: Laurent Pinchart Signed-off-by: Michal Simek Signed-off-by: Niklas Söderlund --- include/media/media-entity.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/media/media-entity.h b/include/media/media-entity.h index cbb266f..c4b2dca 100644 --- a/include/media/media-entity.h +++ b/include/media/media-entity.h @@ -179,6 +179,9 @@ struct media_pad { * @link_validate: Return whether a link is valid from the entity point of * view. The media_entity_pipeline_start() function * validates all links by calling this operation. Optional. + * @has_route: Return whether a route exists inside the entity between + * two given pads. Optional. If the operation isn't + * implemented all pads will be considered as connected. * * Note: Those these callbacks are called with struct media_device.@graph_mutex * mutex held. @@ -188,6 +191,8 @@ struct media_entity_operations { const struct media_pad *local, const struct media_pad *remote, u32 flags); int (*link_validate)(struct media_link *link); + bool (*has_route)(struct media_entity *entity, unsigned int pad0, + unsigned int pad1); }; /**