From patchwork Sun Jun 2 20:13:36 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luis Garcia X-Patchwork-Id: 13683004 Received: from mail-108-mta14.mxroute.com (mail-108-mta14.mxroute.com [136.175.108.14]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AAF6153E15 for ; Sun, 2 Jun 2024 20:14:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=136.175.108.14 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717359269; cv=none; b=l33TgniYuNUFgOB6nIt8L/OEs0KNHX89Pxjeu5y16BnpvDdrEB5PIAPczvPE7SM/H/JwN7bDTVE/0vPMD8XNF1cUpFXaZagp6yD1OWHrCTvZVRCXJz0GmTTMN95n4O0s1CuVXE0VS20pZEPoP+nJLSXySHhx3yjaKKUdcHuzqyY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717359269; c=relaxed/simple; bh=t0DpAm14I63PD+zKjpelnQ5UomdKi3PfstUiSulsvmk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=kM4I4IDNmVij2F34LoxqYmALQyCz58jjmZZL6B12iw/OwtfDLkZeLZBzS9K3JYIoqzfwqZzLIIn0if2Qn9r83sY1TXUlR5AIaBPZrpcTl0kL0nm+iQCHp2kV1TiBm/CvlnzmZXsIm8g/8u9Maiwc3Pt5B2+BWihR4aGly/7vyv0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=luigi311.com; spf=pass smtp.mailfrom=luigi311.com; dkim=pass (2048-bit key) header.d=luigi311.com header.i=@luigi311.com header.b=r1pmuNLg; arc=none smtp.client-ip=136.175.108.14 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=luigi311.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=luigi311.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=luigi311.com header.i=@luigi311.com header.b="r1pmuNLg" Received: from filter006.mxroute.com ([136.175.111.3] filter006.mxroute.com) (Authenticated sender: mN4UYu2MZsgR) by mail-108-mta14.mxroute.com (ZoneMTA) with ESMTPSA id 18fda96bc57000e2b6.00a for (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384); Sun, 02 Jun 2024 20:14:22 +0000 X-Zone-Loop: 3269649a26fa9679cc3b4ed512a217d25ee04ce4530d DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=luigi311.com; s=x; h=Content-Transfer-Encoding:MIME-Version:References: In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=Mc+RbIL+DgqYcfe/mLvPif24eMzEBPY7cltm4NspsTE=; b=r1pmuNLgrmVRdy3DspwaEwSbql yEc1bf+nm9x08MET0M1CrqWtVKqF3DKQ6XvFgCl0P3lEkUhNp/H+G21OoASACXJO+5u5yjDuS+FJA JjhRiS8zsBKqSSu8Nt6GYSexcf3KtHf/dgr1qBdhpGfVgRdh5s7MBNVqWzn5CvfwSXZHmoUsWhRFF 9MjaOGtzKEeHPiL3sVjpXYrNZIYLIWdJMtE7KPRLGeyDJq+r7aDKsDUbIWFoxBypxX+v2CZL9QYba b4pAiwpajpBSlSfTqZv4V1c0NywisI2IbYoSnwa4uDkvTpht3nnrIrvPSv3iyIH/vfGD2q9bj0kHS 2ZCL/8bw==; From: git@luigi311.com To: linux-media@vger.kernel.org Cc: dave.stevenson@raspberrypi.com, jacopo.mondi@ideasonboard.com, mchehab@kernel.org, robh@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, sakari.ailus@linux.intel.com, devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, pavel@ucw.cz, phone-devel@vger.kernel.org, Luis Garcia Subject: [PATCH v6 14/23] media: i2c: imx258: Issue reset before starting streaming Date: Sun, 2 Jun 2024 14:13:36 -0600 Message-ID: <20240602201345.328737-15-git@luigi311.com> In-Reply-To: <20240602201345.328737-1-git@luigi311.com> References: <20240602201345.328737-1-git@luigi311.com> Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Authenticated-Id: personal@luigi311.com From: Dave Stevenson Whilst not documented, register 0x0103 bit 0 is the soft reset for the sensor, so send it before trying to configure the sensor. Signed-off-by: Dave Stevenson Signed-off-by: Luis Garcia Reviewed-by: Pavel Machek --- drivers/media/i2c/imx258.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/media/i2c/imx258.c b/drivers/media/i2c/imx258.c index c1a2c2406aaa..9c83ba1232fa 100644 --- a/drivers/media/i2c/imx258.c +++ b/drivers/media/i2c/imx258.c @@ -20,6 +20,8 @@ #define IMX258_MODE_STANDBY 0x00 #define IMX258_MODE_STREAMING 0x01 +#define IMX258_REG_RESET 0x0103 + /* Chip ID */ #define IMX258_REG_CHIP_ID 0x0016 #define IMX258_CHIP_ID 0x0258 @@ -1052,6 +1054,16 @@ static int imx258_start_streaming(struct imx258 *imx258) const struct imx258_link_freq_config *link_freq_cfg; int ret, link_freq_index; + ret = imx258_write_reg(imx258, IMX258_REG_RESET, IMX258_REG_VALUE_08BIT, + 0x01); + if (ret) { + dev_err(&client->dev, "%s failed to reset sensor\n", __func__); + return ret; + } + + /* 12ms is required from poweron to standby */ + fsleep(12000); + /* Setup PLL */ link_freq_index = imx258->cur_mode->link_freq_index; link_freq_cfg = &imx258->link_freq_configs[link_freq_index];