From patchwork Mon Jul 11 12:42:25 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Pinchart X-Patchwork-Id: 590685 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 78CE0CCA47B for ; Mon, 11 Jul 2022 12:44:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231956AbiGKMot (ORCPT ); Mon, 11 Jul 2022 08:44:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43776 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231771AbiGKMoZ (ORCPT ); Mon, 11 Jul 2022 08:44:25 -0400 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5DEB121267 for ; Mon, 11 Jul 2022 05:44:20 -0700 (PDT) Received: from pendragon.lan (62-78-145-57.bb.dnainternet.fi [62.78.145.57]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 32C1B1ACA; Mon, 11 Jul 2022 14:43:33 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1657543413; bh=Mwkj3xI3t+j/kROPqx0pfNIcza44hw1NcvJdaI1/K6w=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=AaO7JGiIV89J60VLli5ZmyK/0cLcNbQHG+mGrTqIwcuJhDVYH1iYPuItFMeCCfVsl yIHWzRI5GM+0oB8IaG7WQMst2R3NfXzRnFuwJ06Hlu00qFQLpeIMkrATcHtVdARHLl 0L9AEnj0seHYVEbwjgQgQqoBbh9xpr9bUR7oPnNM= From: Laurent Pinchart To: linux-media@vger.kernel.org Cc: linux-rockchip@lists.infradead.org, Dafna Hirschfeld , Heiko Stuebner , Helen Koike , Paul Elder Subject: [PATCH v3 23/46] media: rkisp1: csi: Move start delay to rkisp1_csi_start() Date: Mon, 11 Jul 2022 15:42:25 +0300 Message-Id: <20220711124248.2683-24-laurent.pinchart@ideasonboard.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220711124248.2683-1-laurent.pinchart@ideasonboard.com> References: <20220711124248.2683-1-laurent.pinchart@ideasonboard.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org The delay in rkisp1_isp_start() is related to the CSI-2 receiver and the camera sensor. Move it where it belongs, to rkisp1_csi_start(). Signed-off-by: Laurent Pinchart Reviewed-by: Dafna Hirschfeld --- Changes since v1: - Fix typo in commit message --- drivers/media/platform/rockchip/rkisp1/rkisp1-csi.c | 7 +++++++ drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c | 6 ------ 2 files changed, 7 insertions(+), 6 deletions(-) diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-csi.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-csi.c index 102deb877aa4..749ad473b877 100644 --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-csi.c +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-csi.c @@ -9,6 +9,7 @@ * Copyright (C) 2017 Rockchip Electronics Co., Ltd. */ +#include #include #include #include @@ -121,6 +122,12 @@ int rkisp1_csi_start(struct rkisp1_csi *csi, rkisp1_csi_enable(csi); + /* + * CIF spec says to wait for sufficient time after enabling + * the MIPI interface and before starting the sensor output. + */ + usleep_range(1000, 1200); + return 0; } diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c index d2343f166f42..da895f6aa3fa 100644 --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c @@ -365,12 +365,6 @@ static void rkisp1_isp_start(struct rkisp1_device *rkisp1) RKISP1_CIF_ISP_CTRL_ISP_ENABLE | RKISP1_CIF_ISP_CTRL_ISP_INFORM_ENABLE; rkisp1_write(rkisp1, RKISP1_CIF_ISP_CTRL, val); - - /* - * CIF spec says to wait for sufficient time after enabling - * the MIPI interface and before starting the sensor output. - */ - usleep_range(1000, 1200); } /* ----------------------------------------------------------------------------