Merge "camera3: Update blackLevelPattern tag."
diff --git a/api/current.txt b/api/current.txt
index 32ef8a6..5e0daaa 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -11287,6 +11287,7 @@
     field public static final android.hardware.camera2.CameraMetadata.Key SCALER_AVAILABLE_PROCESSED_SIZES;
     field public static final android.hardware.camera2.CameraMetadata.Key SENSOR_AVAILABLE_TEST_PATTERN_MODES;
     field public static final android.hardware.camera2.CameraMetadata.Key SENSOR_BASE_GAIN_FACTOR;
+    field public static final android.hardware.camera2.CameraMetadata.Key SENSOR_BLACK_LEVEL_PATTERN;
     field public static final android.hardware.camera2.CameraMetadata.Key SENSOR_INFO_ACTIVE_ARRAY_SIZE;
     field public static final android.hardware.camera2.CameraMetadata.Key SENSOR_INFO_EXPOSURE_TIME_RANGE;
     field public static final android.hardware.camera2.CameraMetadata.Key SENSOR_INFO_MAX_FRAME_DURATION;
diff --git a/core/java/android/hardware/camera2/CameraCharacteristics.java b/core/java/android/hardware/camera2/CameraCharacteristics.java
index 913b273..83314ea 100644
--- a/core/java/android/hardware/camera2/CameraCharacteristics.java
+++ b/core/java/android/hardware/camera2/CameraCharacteristics.java
@@ -614,6 +614,17 @@
             new Key<Rational>("android.sensor.baseGainFactor", Rational.class);
 
     /**
+     * <p>A fixed black level offset for each of the color filter arrangement
+     * (CFA) mosaic channels.</p>
+     * <p>This tag specifies the zero light value for each of the CFA mosaic
+     * channels in the camera sensor.</p>
+     * <p>The values are given in row-column scan order, with the first value
+     * corresponding to the element of the CFA in row=0, column=0.</p>
+     */
+    public static final Key<int[]> SENSOR_BLACK_LEVEL_PATTERN =
+            new Key<int[]>("android.sensor.blackLevelPattern", int[].class);
+
+    /**
      * <p>Maximum sensitivity that is implemented
      * purely through analog gain.</p>
      * <p>For {@link CaptureRequest#SENSOR_SENSITIVITY android.sensor.sensitivity} values less than or