ipa: rpi: Add accessor function for monoSensor_

The monoSensor_ member variable will be used by the derived IPAs in an
upcoming commit, so add an accessor function for it.

Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>

src/ipa/rpi/common/ipa_base.h

@@ -49,6 +49,11 @@ public:
 	void processStats(const ProcessParams &params) override;
 
 protected:
+	bool monoSensor()
+	{
+		return monoSensor_;
+	}
+
 	/* Raspberry Pi controller specific defines. */
 	std::unique_ptr<RPiController::CamHelper> helper_;
 	RPiController::Controller controller_;