[PATCH v1] libipa: camera_sensor_helper: Add OV5675 black level

[Kieran Bingham]

Quoting Daniel Semkowicz (2024-07-23 15:17:58)
> Add black level value for OV5675 camera.
> According to datasheet, default value is 0x10, 10 bits width.

I don't have that datasheet, but given the above statement the below is
correct:


Reviewed-by: Kieran Bingham <kieran.bingham at ideasonboard.com>

> 
> Signed-off-by: Daniel Semkowicz <dse at thaumatec.com>
> ---
>  src/ipa/libipa/camera_sensor_helper.cpp | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/src/ipa/libipa/camera_sensor_helper.cpp b/src/ipa/libipa/camera_sensor_helper.cpp
> index a1339c83..79608c00 100644
> --- a/src/ipa/libipa/camera_sensor_helper.cpp
> +++ b/src/ipa/libipa/camera_sensor_helper.cpp
> @@ -601,6 +601,8 @@ class CameraSensorHelperOv5675 : public CameraSensorHelper
>  public:
>         CameraSensorHelperOv5675()
>         {
> +               /* From datasheet: 0x10 at 10bits. */
> +               blackLevel_ = 1024;
>                 gainType_ = AnalogueGainLinear;
>                 gainConstants_.linear = { 1, 0, 0, 128 };
>         }
> -- 
> 2.45.2
> 
>