libipa: Add CameraSensorHelper for ov8865

Add a CameraSensorHelperOv8865 class. The gain coefficients are gleaned
from the datasheet; the lowest 7 bits are reported there as fractional
bits, so real gain is val/128.

Signed-off-by: Daniel Scally <djrscally@gmail.com>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/src/ipa/libipa/camera_sensor_helper.cpp b/src/ipa/libipa/camera_sensor_helper.cpp
index c43368df..37f5f8cd 100644
--- a/src/ipa/libipa/camera_sensor_helper.cpp
+++ b/src/ipa/libipa/camera_sensor_helper.cpp
@@ -325,6 +325,16 @@ public:
 };
 REGISTER_CAMERA_SENSOR_HELPER("ov5693", CameraSensorHelperOv5693)
 
+class CameraSensorHelperOv8865 : public CameraSensorHelper
+{
+public:
+	CameraSensorHelperOv8865()
+	{
+		analogueGainConstants_ = { AnalogueGainLinear, 1, 0, 0, 128 };
+	}
+};
+REGISTER_CAMERA_SENSOR_HELPER("ov8865", CameraSensorHelperOv8865)
+
 class CameraSensorHelperOv13858 : public CameraSensorHelper
 {
 public: