From patchwork Mon Jul 29 11:04:37 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Umang Jain X-Patchwork-Id: 815875 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BA0FD146588; Mon, 29 Jul 2024 11:04:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.167.242.64 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722251100; cv=none; b=vDs5brJXeWW1aFCghsuLCJnlkT879I7hxrVY8OUbBSBwySydXg9CpMsNt4i29UD6b65rQoXyKONYuGWPTXZWvfvHeNTRAl223lpychHDk55f8zG9QhfMjbzrZYqnDvS9XJEqzPeT14zCqCE6U4iJF4oASjZlYwtVYuIohon+RSw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722251100; c=relaxed/simple; bh=s6ZiWKZZjxUZoA1u4oZ8Pk6olyRRMFuO9oT+4utb0J0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=LpXAfuRctjJPkKfUP98V/l0Zl1sLLq3RFvF34IWu08h4tcVZZe/fTVj/vL+If5I7mh2rVHuYaTaQhcc7p+NuyKWl8KQb9yEWfKoQ9kyNnKbBtc9Emz9KecR58mnRDpk/kiDEUZ6CQryi11bbKigHSPp6rPdZBEPGHjwwHg6pOZU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ideasonboard.com; spf=pass smtp.mailfrom=ideasonboard.com; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b=JPnlZUPo; arc=none smtp.client-ip=213.167.242.64 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="JPnlZUPo" Received: from localhost.localdomain (unknown [IPv6:2405:201:2015:f873:55f8:639e:8e9f:12ec]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id DF4EE63F; Mon, 29 Jul 2024 13:04:08 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1722251050; bh=s6ZiWKZZjxUZoA1u4oZ8Pk6olyRRMFuO9oT+4utb0J0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JPnlZUPouze5PqoWSo50X2de78Usdq+fYiQ4tCCE93cSBlKRDy7fvs1gzHjmi5P9J dxDMpegngE1k1Iw1oxQzA7vVZorRKuwqusIJ3Dq9lJIY1/dYS+Pzf0LV52QoO52qYc f2QUsbwUEdnGGCf3JB5mOugF2/F+pv/Dq2kXVD+8= From: Umang Jain To: linux-media@vger.kernel.org Cc: stable@vger.kernel.org, Kieran Bingham , Sakari Ailus , Tommaso Merciai , Jacopo Mondi , Laurent Pinchart , Umang Jain Subject: [PATCH v2 2/2] media: imx335: Fix reset-gpio handling Date: Mon, 29 Jul 2024 16:34:37 +0530 Message-ID: <20240729110437.199428-3-umang.jain@ideasonboard.com> X-Mailer: git-send-email 2.45.0 In-Reply-To: <20240729110437.199428-1-umang.jain@ideasonboard.com> References: <20240729110437.199428-1-umang.jain@ideasonboard.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Rectify the logical value of reset-gpio so that it is set to 0 (disabled) during power-on and to 1 (enabled) during power-off. Meanwhile at it, set the reset-gpio to GPIO_OUT_HIGH at initialization time to make sure it starts off in reset. Fixes: 45d19b5fb9ae ("media: i2c: Add imx335 camera sensor driver") Signed-off-by: Umang Jain --- drivers/media/i2c/imx335.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/media/i2c/imx335.c b/drivers/media/i2c/imx335.c index cd150606a8a9..7241fc87ef84 100644 --- a/drivers/media/i2c/imx335.c +++ b/drivers/media/i2c/imx335.c @@ -1057,7 +1057,7 @@ static int imx335_parse_hw_config(struct imx335 *imx335) /* Request optional reset pin */ imx335->reset_gpio = devm_gpiod_get_optional(imx335->dev, "reset", - GPIOD_OUT_LOW); + GPIOD_OUT_HIGH); if (IS_ERR(imx335->reset_gpio)) { dev_err(imx335->dev, "failed to get reset gpio %ld\n", PTR_ERR(imx335->reset_gpio)); @@ -1171,7 +1171,7 @@ static int imx335_power_on(struct device *dev) usleep_range(500, 550); /* Tlow */ /* Set XCLR */ - gpiod_set_value_cansleep(imx335->reset_gpio, 1); + gpiod_set_value_cansleep(imx335->reset_gpio, 0); ret = clk_prepare_enable(imx335->inclk); if (ret) { @@ -1184,7 +1184,7 @@ static int imx335_power_on(struct device *dev) return 0; error_reset: - gpiod_set_value_cansleep(imx335->reset_gpio, 0); + gpiod_set_value_cansleep(imx335->reset_gpio, 1); regulator_bulk_disable(ARRAY_SIZE(imx335_supply_name), imx335->supplies); return ret; @@ -1201,7 +1201,7 @@ static int imx335_power_off(struct device *dev) struct v4l2_subdev *sd = dev_get_drvdata(dev); struct imx335 *imx335 = to_imx335(sd); - gpiod_set_value_cansleep(imx335->reset_gpio, 0); + gpiod_set_value_cansleep(imx335->reset_gpio, 1); clk_disable_unprepare(imx335->inclk); regulator_bulk_disable(ARRAY_SIZE(imx335_supply_name), imx335->supplies);