[libcamera-devel] [PATCH 2/2] libipa: Add CameraSensorHelper for OV2740

Daniel Scally djrscally at gmail.com
Wed Mar 16 23:22:45 CET 2022


The datasheet for the OV2740 gives 0x80 as 1x gain, so real gain
is GainCode / 128.

Signed-off-by: Daniel Scally <djrscally at gmail.com>
---
 src/ipa/libipa/camera_sensor_helper.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/ipa/libipa/camera_sensor_helper.cpp b/src/ipa/libipa/camera_sensor_helper.cpp
index 5d052612..c953def0 100644
--- a/src/ipa/libipa/camera_sensor_helper.cpp
+++ b/src/ipa/libipa/camera_sensor_helper.cpp
@@ -305,6 +305,16 @@ public:
 };
 REGISTER_CAMERA_SENSOR_HELPER("imx258", CameraSensorHelperImx258)
 
+class CameraSensorHelperOv2740 : public CameraSensorHelper
+{
+public:
+	CameraSensorHelperOv2740()
+	{
+		analogueGainConstants_ = { AnalogueGainLinear, 1, 0, 0, 128 };
+	}
+};
+REGISTER_CAMERA_SENSOR_HELPER("ov2740", CameraSensorHelperOv2740)
+
 class CameraSensorHelperOv5670 : public CameraSensorHelper
 {
 public:
-- 
2.25.1



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