libcamera: properties: ColorFilterArrangement draft property

Define the 'ColorFilterArrangement' draft property. The property is
currently identical to ANDROID_SENSOR_INFO_COLOR_FILTER_ARRANGEMENT.

Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>

src/libcamera/property_ids.yaml

@@ -678,4 +678,33 @@ controls:
         \todo Turn this property into a "maximum control value" for the
         ScalerCrop control once "dynamic" controls have been implemented.
 
+  # ----------------------------------------------------------------------------
+  # Draft properties section
+
+  - ColorFilterArrangement:
+      type: int32_t
+      draft: true
+      description: |
+        The arrangement of color filters on sensor; represents the colors in the
+        top-left 2x2 section of the sensor, in reading order. Currently
+        identical to ANDROID_SENSOR_INFO_COLOR_FILTER_ARRANGEMENT.
+      enum:
+        - name: RGGB
+          value: 0
+          description: RGGB Bayer pattern
+        - name: GRBG
+          value: 1
+          description: GRBG Bayer pattern
+        - name: GBRG
+          value: 2
+          description: GBRG Bayer pattern
+        - name: BGGR
+          value: 3
+          description: BGGR Bayer pattern
+        - name: RGB
+          value: 4
+          description: |
+            Sensor is not Bayer; output has 3 16-bit values for each pixel,
+            instead of just 1 16-bit value per pixel.
+
 ...