[Android Q&A, Help & Troubleshooting] debbuger:
I tried to port miui 8 and started to fix some bugs but as i am not professional in porting or anything related to android i got stuck on fingerprint issue.

Below is the logcat of the instance when i register fp but it ends up with cannot add fp.

11-22 17:11:08.675 D/fpc_fingerprint_hal(1482): fpc_pre_enroll

11-22 17:11:08.677 D/fpc_fingerprint_hal(1482): fpc_pre_enroll challenge 14535763474329026601

11-22 17:11:08.679 D/fpc_fingerprint_hal(1482): workerFunction STATE_NONE

11-22 17:11:08.679 D/fpc_fingerprint_hal(1482): workerFunction STATE_IDLE

11-22 17:11:11.684 D/fpc_fingerprint_hal(1482): fpc_enroll

11-22 17:11:11.684 D/fpc_fingerprint_hal(1482): hat->challenge 14535763474329026601

11-22 17:11:11.684 D/fpc_fingerprint_hal(1482): hat->authenticator_id 0

11-22 17:11:11.684 D/fpc_fingerprint_hal(1482): hat->authenticator_type 16777216

11-22 17:11:11.684 D/fpc_fingerprint_hal(1482): hat->timestamp 5404173317798100992

11-22 17:11:11.684 D/fpc_fingerprint_hal(1482): hat->user_id 11586758665949832647

11-22 17:11:11.684 D/fpc_fingerprint_hal(1482): hat->version 0

11-22 17:11:11.685 D/fpc_fingerprint_hal(1482): workerFunction STATE_ENROLL

11-22 17:11:11.718 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:11:11.728 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:11:13.162 D/fpc_fingerprint_hal(1482): fpc_handle_image_subscription

11-22 17:11:13.192 D/fpc_fingerprint_hal(1482): do_enroll KPI Capture time: 142 ms Enroll time: 29 ms

11-22 17:11:13.195 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:11:13.236 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:11:13.540 D/fpc_fingerprint_hal(1482): fpc_handle_image_subscription

11-22 17:11:13.571 D/fpc_fingerprint_hal(1482): do_enroll KPI Capture time: 132 ms Enroll time: 31 ms

11-22 17:11:13.576 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:11:13.678 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:11:13.991 D/fpc_fingerprint_hal(1482): fpc_handle_image_subscription

11-22 17:11:14.024 D/fpc_fingerprint_hal(1482): do_enroll KPI Capture time: 141 ms Enroll time: 33 ms

11-22 17:11:14.029 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:11:14.070 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:11:14.386 D/fpc_fingerprint_hal(1482): fpc_handle_image_subscription

11-22 17:11:14.424 D/fpc_fingerprint_hal(1482): do_enroll KPI Capture time: 144 ms Enroll time: 38 ms

11-22 17:11:14.428 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:11:14.502 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:11:14.808 D/fpc_fingerprint_hal(1482): fpc_handle_image_subscription

11-22 17:11:14.849 D/fpc_fingerprint_hal(1482): do_enroll KPI Capture time: 134 ms Enroll time: 40 ms

11-22 17:11:14.854 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:11:14.864 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:11:15.159 E/fpc_tac (1482): fpc_tac_send_cmd failed with retval: 4

11-22 17:11:15.159 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:11:15.169 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:11:17.581 E/fpc_tac (1482): fpc_tac_send_cmd failed with retval: 4

11-22 17:11:17.581 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:11:17.592 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:11:18.258 D/fpc_fingerprint_hal(1482): fpc_handle_image_subscription

11-22 17:11:18.308 D/fpc_fingerprint_hal(1482): do_enroll KPI Capture time: 143 ms Enroll time: 49 ms

11-22 17:11:18.313 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:11:18.353 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:11:18.669 D/fpc_fingerprint_hal(1482): fpc_handle_image_subscription

11-22 17:11:18.716 D/fpc_fingerprint_hal(1482): do_enroll KPI Capture time: 144 ms Enroll time: 47 ms

11-22 17:11:18.721 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:11:18.732 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:11:19.023 E/fpc_tac (1482): fpc_tac_send_cmd failed with retval: 4

11-22 17:11:19.023 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:11:19.034 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:11:19.324 E/fpc_tac (1482): fpc_tac_send_cmd failed with retval: 4

11-22 17:11:19.324 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:11:19.367 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:11:19.684 D/fpc_fingerprint_hal(1482): fpc_handle_image_subscription

11-22 17:11:19.731 D/fpc_fingerprint_hal(1482): do_enroll KPI Capture time: 143 ms Enroll time: 46 ms

11-22 17:11:19.735 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:11:19.838 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:11:20.155 D/fpc_fingerprint_hal(1482): fpc_handle_image_subscription

11-22 17:11:20.197 D/fpc_fingerprint_hal(1482): do_enroll KPI Capture time: 145 ms Enroll time: 41 ms

11-22 17:11:20.201 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:11:20.211 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:11:20.523 D/fpc_fingerprint_hal(1482): fpc_handle_image_subscription

11-22 17:11:20.563 D/fpc_fingerprint_hal(1482): do_enroll KPI Capture time: 142 ms Enroll time: 40 ms

11-22 17:11:20.568 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:11:20.647 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:11:21.330 D/fpc_fingerprint_hal(1482): fpc_handle_image_subscription

11-22 17:11:21.384 D/fpc_fingerprint_hal(1482): do_enroll KPI Capture time: 171 ms Enroll time: 53 ms

11-22 17:11:21.389 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:11:21.432 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:11:21.748 E/fpc_tac (1482): fpc_tac_send_cmd failed with retval: 4

11-22 17:11:21.748 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:11:21.792 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:11:22.123 D/fpc_fingerprint_hal(1482): fpc_handle_image_subscription

11-22 17:11:22.171 D/fpc_fingerprint_hal(1482): do_enroll KPI Capture time: 157 ms Enroll time: 47 ms

11-22 17:11:22.175 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:11:22.372 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:11:22.686 E/fpc_tac (1482): fpc_tac_send_cmd failed with retval: 4

11-22 17:11:22.686 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:11:22.696 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:11:23.014 D/fpc_fingerprint_hal(1482): fpc_handle_image_subscription

11-22 17:11:23.070 D/fpc_fingerprint_hal(1482): do_enroll KPI Capture time: 143 ms Enroll time: 55 ms

11-22 17:11:23.074 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:11:23.118 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:11:23.801 D/fpc_fingerprint_hal(1482): fpc_handle_image_subscription

11-22 17:11:23.850 D/fpc_fingerprint_hal(1482): do_enroll KPI Capture time: 163 ms Enroll time: 49 ms

11-22 17:11:23.855 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:11:23.865 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:11:24.171 E/fpc_tac (1482): fpc_tac_send_cmd failed with retval: 4

11-22 17:11:24.171 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:11:24.553 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:11:24.892 D/fpc_fingerprint_hal(1482): fpc_handle_image_subscription

11-22 17:11:24.955 D/fpc_fingerprint_hal(1482): do_enroll KPI Capture time: 166 ms Enroll time: 61 ms

11-22 17:11:24.959 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:11:25.264 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:11:25.593 E/fpc_tac (1482): fpc_tac_send_cmd failed with retval: 4

11-22 17:11:25.593 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:11:25.604 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:11:25.893 E/fpc_tac (1482): fpc_tac_send_cmd failed with retval: 4

11-22 17:11:25.893 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:11:25.903 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:11:26.402 D/fpc_fingerprint_hal(1482): fpc_handle_image_subscription

11-22 17:11:26.451 D/fpc_fingerprint_hal(1482): do_enroll KPI Capture time: 144 ms Enroll time: 48 ms

11-22 17:11:26.455 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:11:26.466 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:11:26.753 E/fpc_tac (1482): fpc_tac_send_cmd failed with retval: 4

11-22 17:11:26.753 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:11:26.763 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:11:27.070 E/fpc_tac (1482): fpc_tac_send_cmd failed with retval: 4

11-22 17:11:27.070 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:11:27.081 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:11:27.400 D/fpc_fingerprint_hal(1482): fpc_handle_image_subscription

11-22 17:11:27.454 D/fpc_fingerprint_hal(1482): do_enroll KPI Capture time: 145 ms Enroll time: 53 ms

11-22 17:11:27.458 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:11:27.470 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:11:27.781 E/fpc_tac (1482): fpc_tac_send_cmd failed with retval: 4

11-22 17:11:27.781 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:11:27.793 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:11:28.118 D/fpc_fingerprint_hal(1482): fpc_handle_image_subscription

11-22 17:11:28.177 D/fpc_fingerprint_hal(1482): do_enroll KPI Capture time: 150 ms Enroll time: 59 ms

11-22 17:11:28.182 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:11:28.194 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:11:28.503 E/fpc_tac (1482): fpc_tac_send_cmd failed with retval: 4

11-22 17:11:28.503 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:11:28.514 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:11:28.946 E/fpc_tac (1482): fpc_tac_send_cmd failed with retval: 4

11-22 17:11:28.947 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:11:28.955 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:11:29.272 D/fpc_fingerprint_hal(1482): fpc_handle_image_subscription

11-22 17:11:29.430 D/fpc_fingerprint_hal(1482): do_enroll KPI Capture time: 145 ms Enroll time: 158 ms

11-22 17:11:29.447 E/fpc_tac (1482): fpc_tac_store_template_db failed with error 1

11-22 17:11:29.452 D/fpc_fingerprint_hal(1482): workerFunction STATE_NONE

11-22 17:11:29.452 D/fpc_fingerprint_hal(1482): workerFunction STATE_IDLE

11-22 17:11:29.480 D/fpc_fingerprint_hal(1482): fpc_post_enroll

11-22 17:11:29.483 D/fpc_fingerprint_hal(1482): workerFunction STATE_NONE

11-22 17:11:29.483 D/fpc_fingerprint_hal(1482): workerFunction STATE_IDLE

11-22 17:12:50.960 D/fpc_fingerprint_hal(1482): fpc_pre_enroll

11-22 17:12:50.964 D/fpc_fingerprint_hal(1482): fpc_pre_enroll challenge 9355093871523521284

11-22 17:12:50.964 D/fpc_fingerprint_hal(1482): workerFunction STATE_NONE

11-22 17:12:50.964 D/fpc_fingerprint_hal(1482): workerFunction STATE_IDLE

11-22 17:12:53.486 D/fpc_fingerprint_hal(1482): fpc_enroll

11-22 17:12:53.486 D/fpc_fingerprint_hal(1482): hat->challenge 9355093871523521284

11-22 17:12:53.486 D/fpc_fingerprint_hal(1482): hat->authenticator_id 0

11-22 17:12:53.486 D/fpc_fingerprint_hal(1482): hat->authenticator_type 16777216

11-22 17:12:53.486 D/fpc_fingerprint_hal(1482): hat->timestamp 17405424098833596416

11-22 17:12:53.486 D/fpc_fingerprint_hal(1482): hat->user_id 11586758665949832647

11-22 17:12:53.486 D/fpc_fingerprint_hal(1482): hat->version 0

11-22 17:12:53.487 D/fpc_fingerprint_hal(1482): workerFunction STATE_ENROLL

11-22 17:12:53.507 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:12:53.517 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:12:54.592 D/fpc_fingerprint_hal(1482): fpc_handle_image_subscription

11-22 17:12:54.620 D/fpc_fingerprint_hal(1482): do_enroll KPI Capture time: 107 ms Enroll time: 28 ms

11-22 17:12:54.624 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:12:54.634 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:12:54.933 E/fpc_tac (1482): fpc_tac_send_cmd failed with retval: 4

11-22 17:12:54.933 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:12:54.943 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:12:55.248 E/fpc_tac (1482): fpc_tac_send_cmd failed with retval: 4

11-22 17:12:55.248 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:12:55.258 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:12:55.578 D/fpc_fingerprint_hal(1482): fpc_handle_image_subscription

11-22 17:12:55.609 D/fpc_fingerprint_hal(1482): do_enroll KPI Capture time: 145 ms Enroll time: 30 ms

11-22 17:12:55.613 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:12:55.757 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:12:56.079 D/fpc_fingerprint_hal(1482): fpc_handle_image_subscription

11-22 17:12:56.113 D/fpc_fingerprint_hal(1482): do_enroll KPI Capture time: 153 ms Enroll time: 33 ms

11-22 17:12:56.117 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:12:56.283 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:12:56.584 D/fpc_fingerprint_hal(1482): fpc_handle_image_subscription

11-22 17:12:56.617 D/fpc_fingerprint_hal(1482): do_enroll KPI Capture time: 131 ms Enroll time: 33 ms

11-22 17:12:56.621 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:12:56.690 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:12:57.149 E/fpc_tac (1482): fpc_tac_send_cmd failed with retval: 4

11-22 17:12:57.149 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:12:57.161 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:12:57.480 D/fpc_fingerprint_hal(1482): fpc_handle_image_subscription

11-22 17:12:57.518 D/fpc_fingerprint_hal(1482): do_enroll KPI Capture time: 145 ms Enroll time: 38 ms

11-22 17:12:57.522 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:12:57.662 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:12:57.970 D/fpc_fingerprint_hal(1482): fpc_handle_image_subscription

11-22 17:12:58.012 D/fpc_fingerprint_hal(1482): do_enroll KPI Capture time: 142 ms Enroll time: 41 ms

11-22 17:12:58.015 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:12:58.149 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:12:58.462 D/fpc_fingerprint_hal(1482): fpc_handle_image_subscription

11-22 17:12:58.501 D/fpc_fingerprint_hal(1482): do_enroll KPI Capture time: 147 ms Enroll time: 38 ms

11-22 17:12:58.505 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:12:58.639 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:12:58.952 D/fpc_fingerprint_hal(1482): fpc_handle_image_subscription

11-22 17:12:58.996 D/fpc_fingerprint_hal(1482): do_enroll KPI Capture time: 141 ms Enroll time: 43 ms

11-22 17:12:59.000 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:12:59.073 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:12:59.389 D/fpc_fingerprint_hal(1482): fpc_handle_image_subscription

11-22 17:12:59.429 D/fpc_fingerprint_hal(1482): do_enroll KPI Capture time: 144 ms Enroll time: 40 ms

11-22 17:12:59.433 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:12:59.505 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:12:59.819 D/fpc_fingerprint_hal(1482): fpc_handle_image_subscription

11-22 17:12:59.862 D/fpc_fingerprint_hal(1482): do_enroll KPI Capture time: 143 ms Enroll time: 42 ms

11-22 17:12:59.866 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:12:59.939 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:13:00.250 D/fpc_fingerprint_hal(1482): fpc_handle_image_subscription

11-22 17:13:00.296 D/fpc_fingerprint_hal(1482): do_enroll KPI Capture time: 145 ms Enroll time: 45 ms

11-22 17:13:00.300 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:13:00.398 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:13:00.710 D/fpc_fingerprint_hal(1482): fpc_handle_image_subscription

11-22 17:13:00.756 D/fpc_fingerprint_hal(1482): do_enroll KPI Capture time: 141 ms Enroll time: 45 ms

11-22 17:13:00.759 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:13:00.801 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:13:01.117 D/fpc_fingerprint_hal(1482): fpc_handle_image_subscription

11-22 17:13:01.169 D/fpc_fingerprint_hal(1482): do_enroll KPI Capture time: 144 ms Enroll time: 51 ms

11-22 17:13:01.172 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:13:01.214 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:13:01.529 D/fpc_fingerprint_hal(1482): fpc_handle_image_subscription

11-22 17:13:01.578 D/fpc_fingerprint_hal(1482): do_enroll KPI Capture time: 142 ms Enroll time: 49 ms

11-22 17:13:01.582 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:13:01.623 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:13:01.943 D/fpc_fingerprint_hal(1482): fpc_handle_image_subscription

11-22 17:13:01.993 D/fpc_fingerprint_hal(1482): do_enroll KPI Capture time: 145 ms Enroll time: 50 ms

11-22 17:13:01.997 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:13:02.008 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:13:02.310 E/fpc_tac (1482): fpc_tac_send_cmd failed with retval: 4

11-22 17:13:02.310 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:13:02.352 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:13:02.672 D/fpc_fingerprint_hal(1482): fpc_handle_image_subscription

11-22 17:13:02.726 D/fpc_fingerprint_hal(1482): do_enroll KPI Capture time: 145 ms Enroll time: 54 ms

11-22 17:13:02.731 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:13:02.742 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:13:03.049 E/fpc_tac (1482): fpc_tac_send_cmd failed with retval: 4

11-22 17:13:03.049 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:13:03.061 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:13:03.329 E/fpc_tac (1482): fpc_tac_send_cmd failed with retval: 4

11-22 17:13:03.329 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:13:03.341 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:13:03.662 D/fpc_fingerprint_hal(1482): fpc_handle_image_subscription

11-22 17:13:03.713 D/fpc_fingerprint_hal(1482): do_enroll KPI Capture time: 145 ms Enroll time: 51 ms

11-22 17:13:03.717 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:13:04.430 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:13:04.764 D/fpc_fingerprint_hal(1482): fpc_handle_image_subscription

11-22 17:13:04.820 D/fpc_fingerprint_hal(1482): do_enroll KPI Capture time: 161 ms Enroll time: 55 ms

11-22 17:13:04.824 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up

11-22 17:13:05.324 D/fpc_fingerprint_hal(1482): fpc_wait_finger_up FPC_LIB_FINGER_LOST

11-22 17:13:05.658 D/fpc_fingerprint_hal(1482): fpc_handle_image_subscription

11-22 17:13:05.802 D/fpc_fingerprint_hal(1482): do_enroll KPI Capture time: 164 ms Enroll time: 144 ms

11-22 17:13:05.823 E/fpc_tac (1482): fpc_tac_store_template_db failed with error 1

11-22 17:13:05.828 D/fpc_fingerprint_hal(1482): workerFunction STATE_NONE

11-22 17:13:05.828 D/fpc_fingerprint_hal(1482): workerFunction STATE_IDLE

11-22 17:13:05.850 D/fpc_fingerprint_hal(1482): fpc_post_enroll

11-22 17:13:05.854 D/fpc_fingerprint_hal(1482): workerFunction STATE_NONE

11-22 17:13:05.854 D/fpc_fingerprint_hal(1482): workerFunction STATE_IDLE