From patchwork Tue Jun 14 19:10:54 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Elder X-Patchwork-Id: 581823 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 CDE8FC43334 for ; Tue, 14 Jun 2022 19:13:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243622AbiFNTNf (ORCPT ); Tue, 14 Jun 2022 15:13:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54918 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235369AbiFNTNT (ORCPT ); Tue, 14 Jun 2022 15:13:19 -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 4088111C0F for ; Tue, 14 Jun 2022 12:13:19 -0700 (PDT) Received: from pyrite.rasen.tech (softbank036240126034.bbtec.net [36.240.126.34]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id A311B825; Tue, 14 Jun 2022 21:13:14 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1655233998; bh=ej2B32tUERRKgixONq9ekw2odpbfaviOoKuWtBeOUfM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hHnEHCFEDVGpBuPuxhDZwIjWIkCJzJyviV/rmkj8Jm4mgRDpwuyjunJxPJF5SvdMp LxVq3ac5JWXR5UMw1ioWxip28itSeMXVP3fKBWblumlq7A+49qv5c9OzFExpOOtry7 YpHYUaevxOIb0x4ReeoxvTWkg/atVgjfs3hiu3dI= From: Paul Elder To: linux-media@vger.kernel.org Cc: Laurent Pinchart , dafna@fastmail.com, heiko@sntech.de, jeanmichel.hautbois@ideasonboard.com, jacopo@jmondi.org, djrscally@gmail.com, helen.koike@collabora.com, linux-rockchip@lists.infradead.org Subject: [PATCH 22/55] media: rkisp1: csi: Move start delay to rkisp1_csi_start() Date: Wed, 15 Jun 2022 04:10:54 +0900 Message-Id: <20220614191127.3420492-23-paul.elder@ideasonboard.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220614191127.3420492-1-paul.elder@ideasonboard.com> References: <20220614191127.3420492-1-paul.elder@ideasonboard.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org From: Laurent Pinchart The delay in rkisp1_isp_start() is related to to the CSI-2 receiver and the camera sensor. Move it where it belongs, to rkisp1_csi_start(). Signed-off-by: Laurent Pinchart --- 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 c1bb8c05543d..fcaffffd371b 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 @@ -120,6 +121,12 @@ 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 ecb8ca0ad670..3ea0deb6b792 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); } /* ----------------------------------------------------------------------------