linux-kernel - [PATCH v1 3/8] MT9M114: Add get_mbus

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Message-Id: <20250226153929.274562-4-mathis.foerst@mt.com>
Date: Wed, 26 Feb 2025 16:39:24 +0100
From: Mathis Foerst <mathis.foerst@...com>
To: linux-kernel@...r.kernel.org
Cc: Mathis Foerst <mathis.foerst@...com>,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	Mauro Carvalho Chehab <mchehab@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Sakari Ailus <sakari.ailus@...ux.intel.com>,
	linux-media@...r.kernel.org,
	devicetree@...r.kernel.org,
	manuel.traut@...com
Subject: [PATCH v1 3/8] MT9M114: Add get_mbus_config

The i.MX6 camera frameworks requires get_mbus_config to be implemented.
See [0].

[0] drivers/staging/media/imx/imx-media-csi.c - line 211..216

Signed-off-by: Mathis Foerst <mathis.foerst@...com>
---
 drivers/media/i2c/mt9m114.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/drivers/media/i2c/mt9m114.c b/drivers/media/i2c/mt9m114.c
index 5f0b0ad8f885..fa64d6d315a1 100644
--- a/drivers/media/i2c/mt9m114.c
+++ b/drivers/media/i2c/mt9m114.c
@@ -1977,6 +1977,24 @@ static int mt9m114_ifp_registered(struct v4l2_subdev *sd)
 		v4l2_device_unregister_subdev(&sensor->pa.sd);
 		return ret;
 	}
+	return 0;
+}
+
+static int mt9m114_ifp_get_mbus_config(struct v4l2_subdev *sd,
+				   unsigned int pad,
+				   struct v4l2_mbus_config *cfg)
+{
+	struct mt9m114 *sensor = ifp_to_mt9m114(sd);
+
+	if (sensor->bus_cfg.bus_type == V4L2_MBUS_CSI2_DPHY) {
+		cfg->type = V4L2_MBUS_CSI2_DPHY;
+	} else {
+		cfg->type = V4L2_MBUS_PARALLEL;
+		cfg->bus.parallel.flags = V4L2_MBUS_MASTER |
+					  V4L2_MBUS_PCLK_SAMPLE_RISING |
+					  V4L2_MBUS_DATA_ACTIVE_HIGH;
+		cfg->bus.parallel.bus_width = 8;
+	}
 
 	return 0;
 }
@@ -1993,6 +2011,7 @@ static const struct v4l2_subdev_pad_ops mt9m114_ifp_pad_ops = {
 	.set_fmt = mt9m114_ifp_set_fmt,
 	.get_selection = mt9m114_ifp_get_selection,
 	.set_selection = mt9m114_ifp_set_selection,
+	.get_mbus_config = mt9m114_ifp_get_mbus_config,
 	.get_frame_interval = mt9m114_ifp_get_frame_interval,
 	.set_frame_interval = mt9m114_ifp_set_frame_interval,
 };
-- 
2.34.1