Update FaceAcquiredInfo comments
Fixes: 110887097
Test: builds
Change-Id: Ia38043cf292401aea15a34118c2cc59cacd743f0
diff --git a/biometrics/face/1.0/types.hal b/biometrics/face/1.0/types.hal
index 92cb70d..2628af9 100644
--- a/biometrics/face/1.0/types.hal
+++ b/biometrics/face/1.0/types.hal
@@ -212,8 +212,10 @@
FACE_TOO_LEFT = 9,
/**
- * The user's face was directed away from the sensor. The user should be
- * informed to face the sensor when this is returned.
+ * The user's eyes have strayed away from the sensor. If this message is
+ * sent, the user should be informed to look at the device. If the user
+ * can't be found in the frame, one of the other acquisition messages
+ * must be sent, e.g. NOT_DETECTED.
*/
POOR_GAZE = 10,
@@ -234,7 +236,11 @@
TOO_MUCH_MOTION = 12,
/**
- * The sensor needs to be recalibrated.
+ * The sensor needs to be re-calibrated. This is an unexpected condition,
+ * and must only be sent if a serious, uncorrectable, and unrecoverable
+ * calibration issue is detected which requires user intervention, e.g.
+ * re-enrolling. The expected response to this message is to direct the
+ * user to re-enroll.
*/
RECALIBRATE = 13,