From 481c659c7ec63ce696e57b185545811efc1089bd Mon Sep 17 00:00:00 2001
From: Benjamin Mugnier <benjamin.mugnier@foss.st.com>
Date: Wed, 17 Sep 2025 15:42:14 +0200
Subject: [PATCH] libcamera: libipa: Add vd55g1 support for libipa

Values are sourced initially from the vd55g1 user manual.

Signed-off-by: Benjamin Mugnier <benjamin.mugnier@foss.st.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
---
 src/ipa/libipa/camera_sensor_helper.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/ipa/libipa/camera_sensor_helper.cpp b/src/ipa/libipa/camera_sensor_helper.cpp
index dcd69d9f..4f052151 100644
--- a/src/ipa/libipa/camera_sensor_helper.cpp
+++ b/src/ipa/libipa/camera_sensor_helper.cpp
@@ -745,6 +745,18 @@ public:
 };
 REGISTER_CAMERA_SENSOR_HELPER("ov13858", CameraSensorHelperOv13858)
 
+class CameraSensorHelperVd55g1 : public CameraSensorHelper
+{
+public:
+	CameraSensorHelperVd55g1()
+	{
+		/* From datasheet: 0x40 at 10bits. */
+		blackLevel_ = 4096;
+		gain_ = AnalogueGainLinear{ 0, 32, -1, 32 };
+	}
+};
+REGISTER_CAMERA_SENSOR_HELPER("vd55g1", CameraSensorHelperVd55g1)
+
 class CameraSensorHelperVd56g3 : public CameraSensorHelper
 {
 public: