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diff --git a/src/ipa/rkisp1/algorithms/gsl.h b/src/ipa/rkisp1/algorithms/gsl.h
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+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2021-2022, Ideas On Board
+ *
+ * gsl.h - RkISP1 Gamma Sensor Linearization control
+ */
+
+#pragma once
+
+#include "algorithm.h"
+
+namespace libcamera {
+
+namespace ipa::rkisp1::algorithms {
+
+class GammaSensorLinearization : public Algorithm
+{
+public:
+ GammaSensorLinearization();
+ ~GammaSensorLinearization() = default;
+
+ int init(IPAContext &context, const YamlObject &tuningData) override;
+ void prepare(IPAContext &context, rkisp1_params_cfg *params) override;
+
+private:
+ bool initialized_;
+ uint32_t gammaDx_[2];
+ std::vector<uint16_t> curveYr_;
+ std::vector<uint16_t> curveYg_;
+ std::vector<uint16_t> curveYb_;
+};
+
+} /* namespace ipa::rkisp1::algorithms */
+} /* namespace libcamera */