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libipa: camera_sensor_helper: Add imx708

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The imx708 sensor driver has long been available, especially in raspberry
pi kernels; and the raspberry pi ipa module has had the corresponding
helper class since 2023 (952ef94ed7). The camera sensor properties
database also has an entry for it (2fb0f25019), but the camera sensor
helper class is missing from the common libipa component. So add it, with
the same gain formula present in the raspberry pi ipa module, and the black
level taken from the rpi tuning files.

Handling the raspberry pi specific "wide" / "noir" suffixes is omitted.
They are not present in the camera sensor properties database either.

Signed-off-by: Daniel Scally <dan.scally@ideasonboard.com>
[Add black level, extend commit message.]
Signed-off-by: Barnabás Pőcze <barnabas.pocze@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
This commit is contained in:
Daniel Scally
2025-10-28 10:37:20 +01:00
committed by Kieran Bingham
parent 94d32fdc55
commit 6a393789f3
1 changed files with 11 additions and 0 deletions
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src/ipa/libipa/camera_sensor_helper.cpp
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@@ -642,6 +642,17 @@ public:
};
REGISTER_CAMERA_SENSOR_HELPER("imx477", CameraSensorHelperImx477)
class CameraSensorHelperImx708 : public CameraSensorHelper
{
public:
CameraSensorHelperImx708()
{
blackLevel_ = 4096;
gain_ = AnalogueGainLinear{ 0, 1024, -1, 1024 };
}
};
REGISTER_CAMERA_SENSOR_HELPER("imx708", CameraSensorHelperImx708)
class CameraSensorHelperOv2685 : public CameraSensorHelper
{
public: