libcamera: libipa: camera_sensor: Provide helper and properties for Sony IMX462

The sensor is largely compatible with the already supported
Sony IMX290 so we can reuse the same helpers for the analogue
gain conversion functions.

Signed-off-by: Geoffrey Van Landeghem <geoffrey.vl@gmail.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>

src/ipa/libipa/camera_sensor_helper.cpp

@@ -622,6 +622,11 @@ public:
 };
 REGISTER_CAMERA_SENSOR_HELPER("imx415", CameraSensorHelperImx415)
 
+class CameraSensorHelperImx462 : public CameraSensorHelperImx290
+{
+};
+REGISTER_CAMERA_SENSOR_HELPER("imx462", CameraSensorHelperImx462)
+
 class CameraSensorHelperImx477 : public CameraSensorHelper
 {
 public:

src/ipa/rpi/cam_helper/cam_helper_imx290.cpp

@@ -73,3 +73,4 @@ static CamHelper *create()
 }
 
 static RegisterCamHelper reg("imx290", &create);
+static RegisterCamHelper reg462("imx462", &create);

src/libcamera/sensor/camera_sensor_properties.cpp

@@ -142,6 +142,10 @@ const CameraSensorProperties *CameraSensorProperties::get(const std::string &sen
 			.unitCellSize = { 1450, 1450 },
 			.testPatternModes = {},
 		} },
+		{ "imx462", {
+			.unitCellSize = { 2900, 2900 },
+			.testPatternModes = {},
+		} },
 		{ "imx477", {
 			.unitCellSize = { 1550, 1550 },
 			.testPatternModes = {},