new file mode 100644
@@ -0,0 +1,69 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (C) 2024, Ideas on Board Oy.
+ */
+
+#include "libipa/camera_sensor_helper.h"
+
+#include <iostream>
+#include <string.h>
+
+#include "test.h"
+
+using namespace std;
+using namespace libcamera;
+using namespace libcamera::ipa;
+
+class CameraSensorHelperTest : public Test
+{
+protected:
+ int testGainModel(std::string model)
+ {
+ int ret = TestPass;
+
+ std::unique_ptr<CameraSensorHelper> camHelper_;
+
+ camHelper_ = CameraSensorHelperFactoryBase::create(model);
+ if (!camHelper_) {
+ std::cout
+ << "Failed to create camera sensor helper for "
+ << model;
+ return TestFail;
+ }
+
+ for (unsigned int i = 0; i < 240; i++) {
+ float gain = camHelper_->gain(i);
+ uint32_t gainCode = camHelper_->gainCode(gain);
+
+ if (i != gainCode) {
+ std::cout << model << ": Gain conversions failed: "
+ << i << " : " << gain << " : "
+ << gainCode << std::endl;
+
+ ret = TestFail;
+ }
+ };
+
+ return ret;
+ }
+
+ int run() override
+ {
+ unsigned int failures = 0;
+
+ std::vector<CameraSensorHelperFactoryBase *> factories;
+
+ for (auto factory : CameraSensorHelperFactoryBase::factories()) {
+ const std::string &model = factory->name();
+
+ cout << "Testing CameraSensorHelper for " << model << endl;
+
+ if (testGainModel(factory->name()) == TestFail)
+ failures++;
+ }
+
+ return failures ? TestFail : TestPass;
+ }
+};
+
+TEST_REGISTER(CameraSensorHelperTest)
@@ -3,6 +3,7 @@
subdir('libipa')
ipa_test = [
+ {'name': 'camera_sensor_helper', 'sources': ['camera_sensor_helper.cpp']},
{'name': 'ipa_module_test', 'sources': ['ipa_module_test.cpp']},
{'name': 'ipa_interface_test', 'sources': ['ipa_interface_test.cpp']},
]