[fprint] [PATCH] upeke2: Add one more stage to the enrollment

[Ricardo Ribalda Delgado]

On: ID 147e:2016 Upek Biometric Touchchip/Touchstrip Fingerprint Sensor

The library fails to enroll due to a missing enrolling stage.

upeke2:debug [__handle_incoming_msg] A=00 B=40 len=20
upeke2:debug [__handle_incoming_msg] device responds to subcmd 0 with 14 bytes
upeke2:debug [e_handle_resp00] poll result = 0c
upeke2:debug [alloc_send_cmd28_transfer] seq=50 subcmd=00 with 2 bytes of data
upeke2:debug [__handle_incoming_msg] A=00 B=50 len=20
upeke2:debug [__handle_incoming_msg] device responds to subcmd 0 with 14 bytes
upeke2:debug [e_handle_resp00] poll result = 0c
upeke2:debug [alloc_send_cmd28_transfer] seq=60 subcmd=00 with 2 bytes of data
upeke2:debug [__handle_incoming_msg] A=00 B=60 len=20
upeke2:debug [__handle_incoming_msg] device responds to subcmd 0 with 14 bytes
upeke2:debug [e_handle_resp00] poll result = 0c
upeke2:debug [alloc_send_cmd28_transfer] seq=70 subcmd=00 with 2 bytes of data
upeke2:debug [__handle_incoming_msg] A=00 B=70 len=20
upeke2:debug [__handle_incoming_msg] device responds to subcmd 0 with 14 bytes
upeke2:debug [e_handle_resp00] poll result = 0c
upeke2:debug [alloc_send_cmd28_transfer] seq=80 subcmd=00 with 2 bytes of data
upeke2:debug [__handle_incoming_msg] A=00 B=80 len=20
upeke2:debug [__handle_incoming_msg] device responds to subcmd 0 with 14 bytes
upeke2:debug [e_handle_resp00] poll result = 0c
upeke2:debug [alloc_send_cmd28_transfer] seq=90 subcmd=00 with 2 bytes of data
upeke2:debug [__handle_incoming_msg] A=00 B=90 len=20
upeke2:debug [__handle_incoming_msg] device responds to subcmd 0 with 14 bytes
upeke2:debug [e_handle_resp00] poll result = 20
upeke2:debug [alloc_send_cmd28_transfer] seq=a0 subcmd=00 with 2 bytes of data
upeke2:debug [__handle_incoming_msg] A=00 B=a0 len=20
upeke2:debug [__handle_incoming_msg] device responds to subcmd 0 with 14 bytes
upeke2:debug [e_handle_resp00] poll result = 2e
async:debug [fpi_drvcb_enroll_stage_completed] result 3
sync:debug [sync_enroll_cb] result 3
upeke2:debug [alloc_send_cmd28_transfer] seq=b0 subcmd=00 with 2 bytes of data
sync:debug [fp_enroll_finger_img] enroll stage passed
Enroll stage passed. Yay!

Scan your finger now.
sync:debug [fp_enroll_finger_img]
sync:error [fp_enroll_finger_img] exceeding number of enroll stages for device claimed by driver upeke2 (5 stages)
sync:debug [fp_enroll_finger_img] ending enrollment
async:debug [fp_async_enroll_stop]
drv:debug [__ssm_call_handler] 0x17762a0 entering state 0
upeke2:debug [alloc_send_cmdresponse_transfer] seq=07 len=1
upeke2:debug [__handle_incoming_msg] A=00 B=b0 len=20
upeke2:debug [__handle_incoming_msg] device responds to subcmd 0 with 14 bytes
upeke2:debug [e_handle_resp00] poll result = 0c
upeke2:debug [alloc_send_cmd28_transfer] seq=c0 subcmd=00 with 2 bytes of data
drv:debug [__ssm_call_handler] 0x17762a0 entering state 1
upeke2:error [read_msg_cb] async msg read failed, code 2
drv:debug [fpi_ssm_mark_aborted] error -1 from state 1
drv:debug [fpi_ssm_mark_completed] 0x17762a0 completed with status -1
async:debug [fpi_drvcb_enroll_stopped]
sync:debug [enroll_stop_cb]
Enroll failed with error -22
sync:debug [fp_dev_close]
async:debug [fpi_drvcb_close_complete]
sync:debug [sync_close_cb]
fp:debug [fp_exit]

Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda at gmail.com>
---
 libfprint/drivers/upeke2.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libfprint/drivers/upeke2.c b/libfprint/drivers/upeke2.c
index a7db54d..6c9a56d 100644
--- a/libfprint/drivers/upeke2.c
+++ b/libfprint/drivers/upeke2.c
@@ -874,7 +874,7 @@ static int dev_init(struct fp_dev *dev, unsigned long driver_data)
 	upekdev = g_malloc(sizeof(*upekdev));
 	upekdev->seq = 0xf0; /* incremented to 0x00 before first cmd */
 	dev->priv = upekdev;
-	dev->nr_enroll_stages = 5;
+	dev->nr_enroll_stages = 6;
 
 	fpi_drvcb_open_complete(dev, 0);
 	return 0;
-- 
1.7.10.4