samsung: hidl: fingerprint: call cancel on fingerprint enrollment completion

Change-Id: I288613b772e3b31b86c7dffd5903dbe21ce5d5a9

hidl/fingerprint/Android.mk

@@ -39,6 +39,10 @@ ifeq ($(TARGET_SEC_FP_USES_PERCENTAGE_SAMPLES),true)
     LOCAL_CFLAGS += -DUSES_PERCENTAGE_SAMPLES
 endif
 
+ifeq ($(TARGET_SEC_FP_CALL_CANCEL_ON_ENROLL_COMPLETION),true)
+    LOCAL_CFLAGS += -DCALL_CANCEL_ON_ENROLL_COMPLETION
+endif
+
 LOCAL_MODULE := android.hardware.biometrics.fingerprint@2.1-service.samsung
 LOCAL_INIT_RC := android.hardware.biometrics.fingerprint@2.1-service.samsung.rc
 LOCAL_MODULE_RELATIVE_PATH := hw

hidl/fingerprint/BiometricsFingerprint.cpp

@@ -302,6 +302,11 @@ void BiometricsFingerprint::notify(const fingerprint_msg_t* msg) {
 #ifdef USES_PERCENTAGE_SAMPLES
             const_cast<fingerprint_msg_t*>(msg)->data.enroll.samples_remaining =
                 100 - msg->data.enroll.samples_remaining;
+#endif
+#ifdef CALL_CANCEL_ON_ENROLL_COMPLETION
+            if(msg->data.enroll.samples_remaining == 0) {
+                thisPtr->ss_fingerprint_cancel();
+            }
 #endif
             LOG(DEBUG) << "onEnrollResult(fid=" << msg->data.enroll.finger.fid
                        << ", gid=" << msg->data.enroll.finger.gid