From patchwork Thu Dec 23 19:16:10 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pratyush Yadav X-Patchwork-Id: 527505 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 71C4CC433EF for ; Thu, 23 Dec 2021 19:17:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1350067AbhLWTRC (ORCPT ); Thu, 23 Dec 2021 14:17:02 -0500 Received: from lelv0142.ext.ti.com ([198.47.23.249]:47606 "EHLO lelv0142.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1350051AbhLWTRB (ORCPT ); Thu, 23 Dec 2021 14:17:01 -0500 Received: from lelv0265.itg.ti.com ([10.180.67.224]) by lelv0142.ext.ti.com (8.15.2/8.15.2) with ESMTP id 1BNJGuYu029389; Thu, 23 Dec 2021 13:16:56 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1640287017; bh=GhdMeUU0MDNpTPESfpgGY/7A/kMeZbWC9DeYjW298TE=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=LqiNrsq50A6dsAf8+k1dpyOVvQM4YtGEsm3fas445CexTLQTT2XKeYjO1ELVnqYeK Bra6CXOcNY7+3y40y9e45+c1A3DSKf6I15bMCd/6JysEdUVt/nVsLIiR4EV++rcsxh ilBtizhtjyrnxO4Z72KA6DFGngIlDpLxfhZw8Xi8= Received: from DFLE112.ent.ti.com (dfle112.ent.ti.com [10.64.6.33]) by lelv0265.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 1BNJGusd079999 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 23 Dec 2021 13:16:56 -0600 Received: from DFLE114.ent.ti.com (10.64.6.35) by DFLE112.ent.ti.com (10.64.6.33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2308.14; Thu, 23 Dec 2021 13:16:56 -0600 Received: from lelv0326.itg.ti.com (10.180.67.84) by DFLE114.ent.ti.com (10.64.6.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2308.14 via Frontend Transport; Thu, 23 Dec 2021 13:16:56 -0600 Received: from pratyush-OptiPlex-790.dhcp.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0326.itg.ti.com (8.15.2/8.15.2) with ESMTP id 1BNJGGQW006164; Thu, 23 Dec 2021 13:16:53 -0600 From: Pratyush Yadav To: Mauro Carvalho Chehab CC: Pratyush Yadav , Laurent Pinchart , Nikhil Devshatwar , Tomi Valkeinen , Vignesh Raghavendra , Benoit Parrot , Maxime Ripard , Rob Herring , Sakari Ailus , =?utf-8?q?Niklas_S=C3=B6derlun?= =?utf-8?q?d?= , , , Subject: [PATCH v5 09/14] media: cadence: csi2rx: Add link validation Date: Fri, 24 Dec 2021 00:46:10 +0530 Message-ID: <20211223191615.17803-10-p.yadav@ti.com> X-Mailer: git-send-email 2.33.1.835.ge9e5ba39a7 In-Reply-To: <20211223191615.17803-1-p.yadav@ti.com> References: <20211223191615.17803-1-p.yadav@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add media link validation to make sure incorrectly configured pipelines are caught. Since there is no support for transcoding, rely on the default link validation function to make sure formats across source and sink pads are the same. Signed-off-by: Pratyush Yadav Reviewed-by: Laurent Pinchart --- Changes in v5: - New in v5. drivers/media/platform/cadence/cdns-csi2rx.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/media/platform/cadence/cdns-csi2rx.c b/drivers/media/platform/cadence/cdns-csi2rx.c index 53659776a906..119c7540c75a 100644 --- a/drivers/media/platform/cadence/cdns-csi2rx.c +++ b/drivers/media/platform/cadence/cdns-csi2rx.c @@ -492,6 +492,10 @@ static const struct v4l2_subdev_ops csi2rx_subdev_ops = { .pad = &csi2rx_pad_ops, }; +static struct media_entity_operations csi2rx_media_ops = { + .link_validate = v4l2_subdev_link_validate, +}; + static int csi2rx_async_bound(struct v4l2_async_notifier *notifier, struct v4l2_subdev *s_subdev, struct v4l2_async_subdev *asd) @@ -691,6 +695,7 @@ static int csi2rx_probe(struct platform_device *pdev) for (i = CSI2RX_PAD_SOURCE_STREAM0; i < CSI2RX_PAD_MAX; i++) csi2rx->pads[i].flags = MEDIA_PAD_FL_SOURCE; csi2rx->subdev.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; + csi2rx->subdev.entity.ops = &csi2rx_media_ops; ret = media_entity_pads_init(&csi2rx->subdev.entity, CSI2RX_PAD_MAX, csi2rx->pads);