From f0bfb2f19e2fbf82ed49b703208cb98704d5d5af Mon Sep 17 00:00:00 2001
From: Daniel Scally <djrscally@gmail.com>
Date: Wed, 16 Mar 2022 22:22:45 +0000
Subject: libipa: Add CameraSensorHelper for OV2740

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

Signed-off-by: Daniel Scally <djrscally@gmail.com>
Acked-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
---
 src/ipa/libipa/camera_sensor_helper.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'src/ipa/libipa/camera_sensor_helper.cpp')

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:
-- 
cgit v1.2.1