From patchwork Tue May 2 10:35:46 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dan Scally X-Patchwork-Id: 679019 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 A1291C77B7E for ; Tue, 2 May 2023 10:37:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233645AbjEBKhY (ORCPT ); Tue, 2 May 2023 06:37:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39574 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233864AbjEBKgc (ORCPT ); Tue, 2 May 2023 06:36:32 -0400 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9ED685273 for ; Tue, 2 May 2023 03:36:10 -0700 (PDT) Received: from mail.ideasonboard.com (cpc141996-chfd3-2-0-cust928.12-3.cable.virginm.net [86.13.91.161]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 20653838; Tue, 2 May 2023 12:36:07 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1683023767; bh=H2HNj57Oi7/BW0vfiwit3TsbVkwUWdZfhjCsEj3Eop0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WGK+8SFE2j+mOS7MQzxJvEuw9gGaDpZRrOIgr4vMsGh5oe1h8K8r3OqHrRJFefjQy 77AhrO+GlVoASHilXkKuEnLUbxPfd9CtyUHQhyWeYNqA1vN6lPS+ES/Y2EbZyODmhy zH1BaxeR+J0b63aj1ttAt5+ZGwxXK8EpUSBNd5Bg= From: Daniel Scally To: Benjamin Mugnier , Sylvain Petinot , Mickael Guene , Sakari Ailus , linux-media@vger.kernel.org Cc: hugues.fruchet@foss.st.com, alain.volmat@foss.st.com, Daniel Scally Subject: [PATCH 1/2] media: i2c: Correct format propagation for st-mipid02 Date: Tue, 2 May 2023 11:35:46 +0100 Message-Id: <20230502103547.150918-2-dan.scally@ideasonboard.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230502103547.150918-1-dan.scally@ideasonboard.com> References: <20230502103547.150918-1-dan.scally@ideasonboard.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Format propagation in the st-mipid02 driver is incorrect in that when setting format for V4L2_SUBDEV_FORMAT_TRY on the source pad, the _active_ rather than _try_ format from the sink pad is propagated. This causes problems with format negotiation - update the function to propagate the correct format. Fixes: 642bb5e88fed ("media: st-mipid02: MIPID02 CSI-2 to PARALLEL bridge driver") Signed-off-by: Daniel Scally --- drivers/media/i2c/st-mipid02.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/media/i2c/st-mipid02.c b/drivers/media/i2c/st-mipid02.c index 31b89aff0e86..f20f87562bf1 100644 --- a/drivers/media/i2c/st-mipid02.c +++ b/drivers/media/i2c/st-mipid02.c @@ -736,8 +736,13 @@ static void mipid02_set_fmt_source(struct v4l2_subdev *sd, { struct mipid02_dev *bridge = to_mipid02_dev(sd); - /* source pad mirror active sink pad */ - format->format = bridge->fmt; + /* source pad mirror sink pad */ + if (format->which == V4L2_SUBDEV_FORMAT_ACTIVE) + format->format = bridge->fmt; + else + format->format = *v4l2_subdev_get_try_format(sd, sd_state, + MIPID02_SINK_0); + /* but code may need to be converted */ format->format.code = serial_to_parallel_code(format->format.code);