From patchwork Tue Jul 11 12:32:09 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alain Volmat X-Patchwork-Id: 13308728 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 7134AC001DC for ; Tue, 11 Jul 2023 13:25:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231646AbjGKNZd (ORCPT ); Tue, 11 Jul 2023 09:25:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46336 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230078AbjGKNZb (ORCPT ); Tue, 11 Jul 2023 09:25:31 -0400 Received: from mx07-00178001.pphosted.com (mx07-00178001.pphosted.com [185.132.182.106]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BE60118D; Tue, 11 Jul 2023 06:25:30 -0700 (PDT) Received: from pps.filterd (m0288072.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 36BC933w015239; Tue, 11 Jul 2023 14:33:10 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=foss.st.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=selector1; bh=bZyrpsmbqDtckH2IvHk4LGejHt9ZGYj7tCxIp9TuL2s=; b=kxFrX+yubZp6WwlU9HtqXxBhiAtD9mJ2YofZRBbaQAfC1yiILOEzG/VKb3mN6p0Ez1GG Q/gyGiukohOfXqDgf5SfMh+IMhOXEGSZDnLPtxTKHlg32GU6RWLhnKYrJSvf/OBff9/8 AaH5a4dMVCtU7oWpDLjLXXHJ+ZfvYgEP6+7xEythRVccCLC7Y8SDiPLJwGyoNQiUJGmN LG8gpJ0yrpmHda7/NRP3KD232dsbIoV3Mcq4R3VitiaUeF1ueCr4rEX/dR13yg7v5sC8 5Jc0lFvEqGiMNgg6wcZ3hYffzHlQiW4377nGA+HhhIfeGV1PFFeGAjJ+ZzMCIWACfplV 1g== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com (PPS) with ESMTPS id 3rs6u684x4-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 11 Jul 2023 14:33:10 +0200 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 21ECA100058; Tue, 11 Jul 2023 14:33:10 +0200 (CEST) Received: from Webmail-eu.st.com (shfdag1node1.st.com [10.75.129.69]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 9B936222CB6; Tue, 11 Jul 2023 14:33:09 +0200 (CEST) Received: from localhost (10.129.178.213) by SHFDAG1NODE1.st.com (10.75.129.69) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.21; Tue, 11 Jul 2023 14:33:09 +0200 From: Alain Volmat To: Benjamin Mugnier , Sylvain Petinot , Mauro Carvalho Chehab CC: , , Subject: [PATCH 1/2] media: i2c: st_mipid02: cascade s_stream call to the source subdev Date: Tue, 11 Jul 2023 14:32:09 +0200 Message-ID: <20230711123211.794838-2-alain.volmat@foss.st.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230711123211.794838-1-alain.volmat@foss.st.com> References: <20230711123211.794838-1-alain.volmat@foss.st.com> MIME-Version: 1.0 X-Originating-IP: [10.129.178.213] X-ClientProxiedBy: SHFCAS1NODE2.st.com (10.75.129.73) To SHFDAG1NODE1.st.com (10.75.129.69) X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.957,Hydra:6.0.591,FMLib:17.11.176.26 definitions=2023-07-11_06,2023-07-11_01,2023-05-22_02 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Cascade the s_stream call to the source subdev whenever the bridge streaming is enable / disabled. Signed-off-by: Alain Volmat --- drivers/media/i2c/st-mipid02.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/media/i2c/st-mipid02.c b/drivers/media/i2c/st-mipid02.c index 906553a28676..703d2f06f552 100644 --- a/drivers/media/i2c/st-mipid02.c +++ b/drivers/media/i2c/st-mipid02.c @@ -547,6 +547,13 @@ static int mipid02_stream_disable(struct mipid02_dev *bridge) struct i2c_client *client = bridge->i2c_client; int ret; + if (!bridge->s_subdev) + goto error; + + ret = v4l2_subdev_call(bridge->s_subdev, video, s_stream, 0); + if (ret) + goto error; + /* Disable all lanes */ ret = mipid02_write_reg(bridge, MIPID02_CLK_LANE_REG1, 0); if (ret) @@ -633,6 +640,10 @@ static int mipid02_stream_enable(struct mipid02_dev *bridge) if (ret) goto error; + ret = v4l2_subdev_call(bridge->s_subdev, video, s_stream, 1); + if (ret) + goto error; + return 0; error: