Merge "Add additional acquired constants"
diff --git a/biometrics/face/1.0/types.hal b/biometrics/face/1.0/types.hal
index a488d67..2bcd3d5 100644
--- a/biometrics/face/1.0/types.hal
+++ b/biometrics/face/1.0/types.hal
@@ -281,9 +281,52 @@
TOO_SIMILAR = 15,
/**
+ * The magnitude of the pan angle of the user’s face with respect to the sensor’s
+ * capture plane is too high.
+ *
+ * The pan angle is defined as the angle swept out by the user’s face turning
+ * their neck left and right. The pan angle would be zero if the user faced the
+ * camera directly.
+ *
+ * The user should be informed to look more directly at the camera.
+ */
+ PAN_TOO_EXTREME = 16,
+
+ /**
+ * The magnitude of the tilt angle of the user’s face with respect to the sensor’s
+ * capture plane is too high.
+ *
+ * The tilt angle is defined as the angle swept out by the user’s face looking up
+ * and down. The pan angle would be zero if the user faced the camera directly.
+ *
+ * The user should be informed to look more directly at the camera.
+ */
+ TILT_TOO_EXTREME = 17,
+
+ /**
+ * The magnitude of the roll angle of the user’s face with respect to the sensor’s
+ * capture plane is too high.
+ *
+ * The roll angle is defined as the angle swept out by the user’s face tilting their head
+ * towards their shoulders to the left and right. The pan angle would be zero if the user
+ * faced the camera directly.
+ *
+ * The user should be informed to look more directly at the camera.
+ */
+ ROLL_TOO_EXTREME = 18,
+
+ /**
+ * The user’s face has been obscured by some object.
+ *
+ * The user should be informed to remove any objects from the line of sight from
+ * the sensor to the user’s face.
+ */
+ FACE_OBSCURED = 19,
+
+ /**
* Used to enable a vendor-specific acquisition message.
*/
- VENDOR = 16
+ VENDOR = 20
};
/**