diff --git a/src/ipa/libipa/camera_sensor_helper.cpp b/src/ipa/libipa/camera_sensor_helper.cpp
index e3e3e53..0013d89 100644
--- a/src/ipa/libipa/camera_sensor_helper.cpp
+++ b/src/ipa/libipa/camera_sensor_helper.cpp
@@ -789,6 +789,38 @@ public:
 };
 REGISTER_CAMERA_SENSOR_HELPER("ov13858", CameraSensorHelperOv13858)
 
+class CameraSensorHelperGc08a8 : public CameraSensorHelper
+{
+public:
+	CameraSensorHelperGc08a8()
+	{
+		/*
+		 * GalaxyCore GC08A8: the V4L2 analogue gain control is the raw
+		 * sensor gain code in 1/1024 steps (0x0400 == 1.0x).
+		 * Pedestal is 64 at 10 bits (see vendor register defaults).
+		 */
+		blackLevel_ = 4096;
+		gain_ = AnalogueGainLinear{ 1, 0, 0, 1024 };
+	}
+};
+REGISTER_CAMERA_SENSOR_HELPER("gc08a8", CameraSensorHelperGc08a8)
+
+class CameraSensorHelperS5kjns : public CameraSensorHelper
+{
+public:
+	CameraSensorHelperS5kjns()
+	{
+		/*
+		 * Samsung S5KJNS: the V4L2 analogue gain control is the raw
+		 * sensor gain code in 1/32 steps (0x0020 == 1.0x).
+		 * Pedestal is 64 at 10 bits (see vendor register defaults).
+		 */
+		blackLevel_ = 4096;
+		gain_ = AnalogueGainLinear{ 1, 0, 0, 32 };
+	}
+};
+REGISTER_CAMERA_SENSOR_HELPER("s5kjns", CameraSensorHelperS5kjns)
+
 class CameraSensorHelperVd55g1 : public CameraSensorHelper
 {
 public: