1 files changed, 34 insertions, 0 deletions
diff --git a/src/ipa/raspberrypi/controller/rpi/geq.h b/src/ipa/raspberrypi/controller/rpi/geq.h
new file mode 100644
index 00000000..54f72cce
--- /dev/null
+++ b/src/ipa/raspberrypi/controller/rpi/geq.h
@@ -0,0 +1,34 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (C) 2019, Raspberry Pi (Trading) Limited
+ *
+ * geq.h - GEQ (green equalisation) control algorithm
+ */
+#pragma once
+
+#include "../algorithm.h"
+#include "../geq_status.h"
+
+namespace RPiController {
+
+/* Back End algorithm to apply appropriate GEQ settings. */
+
+struct GeqConfig {
+	uint16_t offset;
+	double slope;
+	Pwl strength; /* lux to strength factor */
+};
+
+class Geq : public Algorithm
+{
+public:
+	Geq(Controller *controller);
+	char const *name() const override;
+	void read(boost::property_tree::ptree const &params) override;
+	void prepare(Metadata *imageMetadata) override;
+
+private:
+	GeqConfig config_;
+};
+
+} /* namespace RPiController */