From patchwork Thu Dec 3 18:59:50 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sowjanya Komatineni X-Patchwork-Id: 338044 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-20.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 653BDC0007A for ; Thu, 3 Dec 2020 19:01:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 29B23208A9 for ; Thu, 3 Dec 2020 19:01:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729029AbgLCTAr (ORCPT ); Thu, 3 Dec 2020 14:00:47 -0500 Received: from hqnvemgate25.nvidia.com ([216.228.121.64]:18299 "EHLO hqnvemgate25.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727718AbgLCTAq (ORCPT ); Thu, 3 Dec 2020 14:00:46 -0500 Received: from hqmail.nvidia.com (Not Verified[216.228.121.13]) by hqnvemgate25.nvidia.com (using TLS: TLSv1.2, AES256-SHA) id ; Thu, 03 Dec 2020 11:00:06 -0800 Received: from HQMAIL109.nvidia.com (172.20.187.15) by HQMAIL107.nvidia.com (172.20.187.13) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Thu, 3 Dec 2020 19:00:01 +0000 Received: from skomatineni-linux.nvidia.com (172.20.13.39) by mail.nvidia.com (172.20.187.15) with Microsoft SMTP Server id 15.0.1473.3 via Frontend Transport; Thu, 3 Dec 2020 19:00:00 +0000 From: Sowjanya Komatineni To: , , , , , CC: , , , , , Subject: [PATCH v3 01/13] media: tegra-video: Use zero crop settings if subdev has no get_selection Date: Thu, 3 Dec 2020 10:59:50 -0800 Message-ID: <1607022002-26575-2-git-send-email-skomatineni@nvidia.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1607022002-26575-1-git-send-email-skomatineni@nvidia.com> References: <1607022002-26575-1-git-send-email-skomatineni@nvidia.com> X-NVConfidentiality: public MIME-Version: 1.0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1607022006; bh=ERCkCneZmXlmcSkkK9fGRHPBppn9DardS4Sr/wZUI/E=; h=From:To:CC:Subject:Date:Message-ID:X-Mailer:In-Reply-To: References:X-NVConfidentiality:MIME-Version:Content-Type; b=hp+9vWAsmZRaQ5XaJvFVOeiNkH1BS6XZYb3wesU99yy5mVXOWBpTfJUn+34UhqgmC 34x1ftz3R/jeV56KvA7pIayHb8JHJMoD5jlvuln/zoCDdj2U160TYVI1WWxo0llggr f4XPsEH0xeXUwkHLN/tD0N+Grpu4NIyaZ2GUvj/OCePIveScHtKFjzXDTE6aAnIbZX zX6TL9okwMm5mXrc0QG9+KcXu9J9c8UdXJNc3+jbrM5xV1ZKfCH+rVWK4WOV97LyuA lzRWXO0UcN0eZzAQaYasHBeHAvKR7Afmi8xUk50jMIe7Yh9ZuaW5RBl+ZzDqnRkKrP KAXzoPMSmgrDQ== Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Currently try format implementation doesn't check if subdevice has get_selection ops implemented and returns -EINVAL on error from direct v4l2_subdev_call of get_selection. Selection API's are not mandatory for all V4L2 subdevices. This patch fixes it by adding v4l2_subdev_has_ops check prior to calling get_selection ops and continues with try or set format with zero crop settings for subdevices that don't have get_selection and returns -EINVAL only for subdevices that has get_selection ops. Signed-off-by: Sowjanya Komatineni --- drivers/staging/media/tegra-video/vi.c | 17 ++++++++++++----- 1 file changed, 12 insertions(+), 5 deletions(-) diff --git a/drivers/staging/media/tegra-video/vi.c b/drivers/staging/media/tegra-video/vi.c index 560d8b3..7edd35c 100644 --- a/drivers/staging/media/tegra-video/vi.c +++ b/drivers/staging/media/tegra-video/vi.c @@ -533,11 +533,18 @@ static int __tegra_channel_try_format(struct tegra_vi_channel *chan, fse.code = fmtinfo->code; ret = v4l2_subdev_call(subdev, pad, enum_frame_size, pad_cfg, &fse); if (ret) { - ret = v4l2_subdev_call(subdev, pad, get_selection, NULL, &sdsel); - if (ret) - return -EINVAL; - pad_cfg->try_crop.width = sdsel.r.width; - pad_cfg->try_crop.height = sdsel.r.height; + if (!v4l2_subdev_has_op(subdev, pad, get_selection)) { + pad_cfg->try_crop.width = 0; + pad_cfg->try_crop.height = 0; + } else { + ret = v4l2_subdev_call(subdev, pad, get_selection, + NULL, &sdsel); + if (ret) + return -EINVAL; + + pad_cfg->try_crop.width = sdsel.r.width; + pad_cfg->try_crop.height = sdsel.r.height; + } } else { pad_cfg->try_crop.width = fse.max_width; pad_cfg->try_crop.height = fse.max_height;