libcamera: libipa: camera_sensor: Add Sony IMX214 sensor properties

Provide the Sony IMX214 camera sensor properties and registration with
libipa for the gain code helpers.

Signed-off-by: André Apitzsch <git@apitzsch.eu>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>

src/ipa/libipa/camera_sensor_helper.cpp

@@ -519,6 +519,19 @@ private:
 };
 REGISTER_CAMERA_SENSOR_HELPER("ar0521", CameraSensorHelperAr0521)
 
+class CameraSensorHelperImx214 : public CameraSensorHelper
+{
+public:
+	CameraSensorHelperImx214()
+	{
+		/* From datasheet: 64 at 10bits. */
+		blackLevel_ = 4096;
+		gainType_ = AnalogueGainLinear;
+		gainConstants_.linear = { 0, 512, -1, 512 };
+	}
+};
+REGISTER_CAMERA_SENSOR_HELPER("imx214", CameraSensorHelperImx214)
+
 class CameraSensorHelperImx219 : public CameraSensorHelper
 {
 public:

src/libcamera/sensor/camera_sensor_properties.cpp

@@ -88,6 +88,16 @@ const CameraSensorProperties *CameraSensorProperties::get(const std::string &sen
 				 */
 			},
 		} },
+		{ "imx214", {
+			.unitCellSize = { 1120, 1120 },
+			.testPatternModes = {
+				{ controls::draft::TestPatternModeOff, 0 },
+				{ controls::draft::TestPatternModeColorBars, 1 },
+				{ controls::draft::TestPatternModeSolidColor, 2 },
+				{ controls::draft::TestPatternModeColorBarsFadeToGray, 3 },
+				{ controls::draft::TestPatternModePn9, 4 },
+			},
+		} },
 		{ "imx219", {
 			.unitCellSize = { 1120, 1120 },
 			.testPatternModes = {