From patchwork Tue Oct 27 03:19:14 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sowjanya Komatineni X-Patchwork-Id: 11859317 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 1A45C14B7 for ; Tue, 27 Oct 2020 03:20:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EEE6E20872 for ; Tue, 27 Oct 2020 03:20:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=nvidia.com header.i=@nvidia.com header.b="sOXh/7fE" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2504551AbgJ0DT1 (ORCPT ); Mon, 26 Oct 2020 23:19:27 -0400 Received: from hqnvemgate26.nvidia.com ([216.228.121.65]:14408 "EHLO hqnvemgate26.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2504542AbgJ0DT1 (ORCPT ); Mon, 26 Oct 2020 23:19:27 -0400 Received: from hqmail.nvidia.com (Not Verified[216.228.121.13]) by hqnvemgate26.nvidia.com (using TLS: TLSv1.2, AES256-SHA) id ; Mon, 26 Oct 2020 20:19:05 -0700 Received: from HQMAIL109.nvidia.com (172.20.187.15) by HQMAIL105.nvidia.com (172.20.187.12) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Tue, 27 Oct 2020 03:19:26 +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; Tue, 27 Oct 2020 03:19:26 +0000 From: Sowjanya Komatineni To: , , , CC: , , , Subject: [PATCH v2 01/10] media: tegra-video: Use zero crop settings if subdev has no get_selection Date: Mon, 26 Oct 2020 20:19:14 -0700 Message-ID: <1603768763-25590-2-git-send-email-skomatineni@nvidia.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1603768763-25590-1-git-send-email-skomatineni@nvidia.com> References: <1603768763-25590-1-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=1603768745; 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=sOXh/7fEqrJnV/vidg8kp7R0h85iGmbLqXyKzGp2Qw3MyJJsutu/NslN6rxYOFxu5 RGASNVlX7rm+sV93TjFDhZ/E23EuRKO9rHqzWpnfkpjhsF0eH+yCk+scKDFByaZY1c dc2lCNdUrmM6GaPrDncVJitRhlpE4uSNtllhqixKZEoJvad33OEebsIt6lwVjy1m3e ZUxd6vxpjtUX1KouLrDOzk2wBAO+R8IA/aTsG8zeknRvF1H4ysBaEtMO3kn3vNr89Y X8Tr8UQRsZzk8RVbsjPhkYBPQvC37cwSz30QZndDwzRjix84V0jU3g5gSgxFwYJo6w XgordTUwoUyyQ== 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;