From mboxrd@z Thu Jan 1 00:00:00 1970 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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 2A462C3F68F for ; Thu, 16 Jan 2020 17:22:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EA97724683 for ; Thu, 16 Jan 2020 17:22:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1579195376; bh=nXGUnMZlOVgaKAGVo0FWeINInUdTnY6CLR3IZhcROgo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=KsgZIjkZ5CkMc939f21OaKpPX0uPODw38m/fYk03D1PGC/JD7hhYnTi1hHAZTMzRu dfDSlgV1PibY2H7sBcwxXy0a0ag0clzdoVFS9E2A8idFoCl23e7+AWgpC4x9Li7Lsr RZu9C8dE8w6T9BI3mhU38hda2wziopsPahUq0kig= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2391667AbgAPRWv (ORCPT ); Thu, 16 Jan 2020 12:22:51 -0500 Received: from mail.kernel.org ([198.145.29.99]:58468 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390747AbgAPRN0 (ORCPT ); Thu, 16 Jan 2020 12:13:26 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 3B29E246AA; Thu, 16 Jan 2020 17:13:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1579194806; bh=nXGUnMZlOVgaKAGVo0FWeINInUdTnY6CLR3IZhcROgo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=D+YnqHEUkfsDzrT8gJ1BnE648zGdQE5nIHswi2QGn0wKe81792TiJZlCdCac3CC44 VvHl7RRRZiAblxekCh5rZtOlDESzuMs7znpfpQxi7q2Jk7vH9cDkSr7WU3dNA5OHTD LRgrLIXvFm1vRglBbTOf2WyKI+8ddr6V1ZfjM3fM= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Janusz Krzysztofik , Sakari Ailus , Mauro Carvalho Chehab , Sasha Levin , linux-media@vger.kernel.org Subject: [PATCH AUTOSEL 4.19 615/671] media: ov6650: Fix .get_fmt() V4L2_SUBDEV_FORMAT_TRY support Date: Thu, 16 Jan 2020 12:04:13 -0500 Message-Id: <20200116170509.12787-352-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200116170509.12787-1-sashal@kernel.org> References: <20200116170509.12787-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Janusz Krzysztofik [ Upstream commit 39034bb0c26b76a2c3abc54aa28c185f18b40c2f ] Commit da298c6d98d5 ("[media] v4l2: replace video op g_mbus_fmt by pad op get_fmt") converted a former ov6650_g_fmt() video operation callback to an ov6650_get_fmt() pad operation callback. However, the converted function disregards a format->which flag that pad operations should obey and always returns active frame format settings. That can be fixed by always responding to V4L2_SUBDEV_FORMAT_TRY with -EINVAL, or providing the response from a pad config argument, likely updated by a former user call to V4L2_SUBDEV_FORMAT_TRY .set_fmt(). Since implementation of the latter is trivial, go for it. Fixes: da298c6d98d5 ("[media] v4l2: replace video op g_mbus_fmt by pad op get_fmt") Signed-off-by: Janusz Krzysztofik Signed-off-by: Sakari Ailus Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Sasha Levin --- drivers/media/i2c/ov6650.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/drivers/media/i2c/ov6650.c b/drivers/media/i2c/ov6650.c index 8700b7fc0019..33a67a3685e6 100644 --- a/drivers/media/i2c/ov6650.c +++ b/drivers/media/i2c/ov6650.c @@ -531,10 +531,16 @@ static int ov6650_get_fmt(struct v4l2_subdev *sd, *mf = ov6650_def_fmt; /* update media bus format code and frame size */ - mf->width = priv->rect.width >> priv->half_scale; - mf->height = priv->rect.height >> priv->half_scale; - mf->code = priv->code; + if (format->which == V4L2_SUBDEV_FORMAT_TRY) { + mf->width = cfg->try_fmt.width; + mf->height = cfg->try_fmt.height; + mf->code = cfg->try_fmt.code; + } else { + mf->width = priv->rect.width >> priv->half_scale; + mf->height = priv->rect.height >> priv->half_scale; + mf->code = priv->code; + } return 0; } -- 2.20.1