Set default sensor rotation via parameter

Author: gabrielstedman

drivers/media/i2c/ov5693.c

@@ -132,6 +132,8 @@ static const char * const ov5693_supply_names[] = {
 
 #define OV5693_NUM_SUPPLIES	ARRAY_SIZE(ov5693_supply_names)
 
+static int sensor_default_rotation;
+
 struct ov5693_device {
 	struct device *dev;
 	struct regmap *regmap;
@@ -352,11 +354,6 @@ static const u8 ov5693_test_pattern_bits[] = {
 	OV5693_TEST_PATTERN_ROLLING,
 };
 
-enum ov5693_model_id {
-    OV5693_INT33BE = 0,
-    OV5693_OVTI,
-};
-
 /* V4L2 Controls Functions */
 
 static int ov5693_flip_vert_configure(struct ov5693_device *ov5693,
@@ -1132,10 +1129,9 @@ static int ov5693_init_controls(struct ov5693_device *ov5693)
 						OV5693_DIGITAL_GAIN_MAX,
 						OV5693_DIGITAL_GAIN_STEP,
 						OV5693_DIGITAL_GAIN_DEF);
-
 	/* Rotation */
 	ctrls->rotation = v4l2_ctrl_new_std(&ctrls->handler, ops,
-					V4L2_CID_CAMERA_SENSOR_ROTATION, 0, 270, 90, 0);
+					V4L2_CID_CAMERA_SENSOR_ROTATION, 0, 270, 90, sensor_default_rotation);
 	/* Flip */
 	ctrls->hflip = v4l2_ctrl_new_std(&ctrls->handler, ops,
 					 V4L2_CID_HFLIP, 0, 1, 1, 0);
@@ -1277,7 +1273,6 @@ static int ov5693_check_hwcfg(struct ov5693_device *ov5693)
 static int ov5693_probe(struct i2c_client *client)
 {
 	struct ov5693_device *ov5693;
-	uintptr_t variant;
 	u32 xvclk_rate;
 	int ret = 0;
 
@@ -1331,16 +1326,6 @@ static int ov5693_probe(struct i2c_client *client)
 	if (ret)
 		return ret;
 
-	variant = (uintptr_t)device_get_match_data(ov5693->dev);
-	switch (variant) {
-		case OV5693_OVTI:
-			dev_info(ov5693->dev, "Applying specific OVTI5693 initialization\n");
-			v4l2_ctrl_s_ctrl(ov5693->ctrls.rotation, 180);
-			break;
-		default:
-			break;
-	}
-
 	ret = media_entity_pads_init(&ov5693->sd.entity, 1, &ov5693->pad);
 	if (ret)
 		goto err_ctrl_handler_free;
@@ -1415,8 +1400,8 @@ static const struct dev_pm_ops ov5693_pm_ops = {
 };
 
 static const struct acpi_device_id ov5693_acpi_match[] = {
-	{"INT33BE", OV5693_INT33BE},
-	{"OVTI5693", OV5693_OVTI},
+	{"INT33BE"},
+	{"OVTI5693"},
 	{},
 };
 MODULE_DEVICE_TABLE(acpi, ov5693_acpi_match);
@@ -1438,6 +1423,8 @@ static struct i2c_driver ov5693_driver = {
 	.remove = ov5693_remove,
 };
 module_i2c_driver(ov5693_driver);
+module_param(sensor_default_rotation, int, 0644);
+MODULE_PARM_DESC(sensor_default_rotation, "Sensor default rotation in degrees (0, 90, 180, 270)");
 
 MODULE_DESCRIPTION("A low-level driver for OmniVision 5693 sensors");
 MODULE_LICENSE("GPL");