From patchwork Wed Mar 27 23:17:00 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luis Garcia X-Patchwork-Id: 13607665 Received: from mail-108-mta142.mxroute.com (mail-108-mta142.mxroute.com [136.175.108.142]) (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 E440A154BEA for ; Wed, 27 Mar 2024 23:17:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=136.175.108.142 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711581470; cv=none; b=RPTyZBSRBRI7vaHO02fiI6PSXzDUSs2dZIQhxjVKhc78GNG2bgDrezJoNvR13QU7hLycT9eF53K7qEmcGspN7YppgsdJeQsDvHc+yLoq4Wyq/MbOSKaCYoKffkq04C7wew8WLJ9quhxD8ACmw5DaQ+ozdrm2RhfpVS5kV1q9pl8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711581470; c=relaxed/simple; bh=6+2wz7C48VzI3IyZhlih65O+oIcytRh3P8S1DW3VqYU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=B1VfLRhz8ai/cOG8PeS7Vafyqgr5bnH0kJd2/kqTtC2YrKjkUAHaSu7C87jQvY1KVJZ6r1gZP45sJ1xYJnfehp6mK46J668nfSI03dGHbDyq2XbEJJri9JY0Fwo3pduzgwJ1bk58vLuE5VtpAp9PoiXMwN0U0yr9EKPf/QSc/B8= 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=HJ1eg5oN; arc=none smtp.client-ip=136.175.108.142 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="HJ1eg5oN" Received: from filter006.mxroute.com ([136.175.111.2] filter006.mxroute.com) (Authenticated sender: mN4UYu2MZsgR) by mail-108-mta142.mxroute.com (ZoneMTA) with ESMTPSA id 18e823488ac0003bea.00a for (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384); Wed, 27 Mar 2024 23:17:44 +0000 X-Zone-Loop: 1d3514ca4d3736d6f5a40b426c854684883a05f2424b 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=MWmmMzvpB7rAQwa1TAxwPfh+Zj5RVzbFzB4BAQpgxHA=; b=HJ1eg5oNFBw6ptNnK6DZzTUMzV eizEzmCukzFA5ZssZ1MdX5BAte3cGofJ/hqCj6uVuVQxWdTOIcAB6FGDKE420+IytRo4HNswQy6FN QQADfHQLAFNW88ni8/35rUCXtevGG3wkSdJK5pAfyDJMbTpTd5RI3/bhay2IZ3FQA7bkxvabqSlx+ Yu2Gy8YQnWQauI3NjagAnxbq/LJlYm3VrFd3rVRaiTMrMnUvrTzeCLfwdC1qakl1Y3LHSgiGoJFVH CxcosMAqcgoF1xgeaL3Js5On987dUVbavhEkf4YpNn4jsogebyYaEjxb3q9lwlbmMvhrJAiok8oFr EOelcVUg==; 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 Subject: [PATCH 14/23] media: i2c: imx258: Issue reset before starting streaming Date: Wed, 27 Mar 2024 17:17:00 -0600 Message-ID: <20240327231710.53188-15-git@luigi311.com> In-Reply-To: <20240327231710.53188-1-git@luigi311.com> References: <20240327231710.53188-1-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 --- 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 c2c5e819ddc0..a62ed8c26663 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 @@ -1059,6 +1061,16 @@ 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];