ipa: rkisp1: Add support of ColorProcessing control

Add ColorProcessing algorithm that is in charge to manage brightness,
contrast and saturation controls.  These controls are currently based on
user controls.

Signed-off-by: Florian Sylvestre <fsylvestre@baylibre.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

src/libcamera/pipeline/rkisp1/rkisp1.cpp

@@ -972,6 +972,18 @@ int PipelineHandlerRkISP1::createCamera(MediaEntity *sensor)
 		      std::forward_as_tuple(&controls::Sharpness),
 		      std::forward_as_tuple(0.0f, 10.0f, 1.0f));
 
+	ctrls.emplace(std::piecewise_construct,
+		      std::forward_as_tuple(&controls::Brightness),
+		      std::forward_as_tuple(-1.0f, 0.993f));
+
+	ctrls.emplace(std::piecewise_construct,
+		      std::forward_as_tuple(&controls::Contrast),
+		      std::forward_as_tuple(0.0f, 1.993f));
+
+	ctrls.emplace(std::piecewise_construct,
+		      std::forward_as_tuple(&controls::Saturation),
+		      std::forward_as_tuple(0.0f, 1.993f));
+
 	ctrls.emplace(std::piecewise_construct,
 		      std::forward_as_tuple(&controls::draft::NoiseReductionMode),
 		      std::forward_as_tuple(controls::draft::NoiseReductionModeValues));