[fprint] USB ID 04f3:0903 "Elan Microelectronics Corp."

[Corentin Dancette]

Hi,

I also have the device 04f3:0903 on my laptop, let me know if I can
help you to test some things.

Corentin


2017-11-09 18:51 GMT+01:00 Igor Filatov <ia.filatov at gmail.com>:
>> Maybe driver authors use device with [Focus >
>> stacking](https://en.wikipedia.org/wiki/Focus_stacking) ?
>
>> Can it help to have more minutiae?
>
> With these devices the scanned area is so small that not many minutiae can
> be found there. I got like 5 o so with my finger and that's what I can
> visually confirm looking at the scanned images. It's not about image
> quality. I think original drivers could be using a different algorithm.
>
> Looks like your device doesn't react normally to 402a (not unexpected). It's
> the third init command in elan.h. Try removing it. Actually, you can try
> removing all commands not found in you traces. Just don't remove the arrays
> with commands for now, leave empty if needed.
>
> It doesn't seem to complicated to adapt the driver based on your traces but
> don't think I'll have any time for it soon…
>
>
> On 9 Nov 2017 18:32, "Sébastien Béchet" <sebastien.bechet at osinix.com> wrote:
>
> As you ask, i tried [these
> changes](https://github.com/sbechet/libfprint/commit/dd5275f8dcdc24e8d94a3b936516c4242d8bf008)
> for a first try with `--enable-debug-log` in configure.
>
> ```
> $ fprintd-list sbechet
> found 1 devices
> Device at /net/reactivated/Fprint/Device/0
> Using device /net/reactivated/Fprint/Device/0
> User sbechet has no fingers enrolled for ElanTech Fingerprint Sensor.
> ```
>
> `journalctl -f` said:
>
>
> ```
> nov. 09 17:23:09 mycomputer dbus-daemon[283]: [system] Activating via
> systemd: service name='net.reactivated.Fprint' unit='fprintd.service'
> requested by ':1.233' (uid=1000 pid=2305 comm="fprintd-list sbechet ")
> nov. 09 17:23:09 mycomputer fprintd[2306]: fp:debug [fp_init]
> [...]
> nov. 09 17:23:09 mycomputer fprintd[2306]: fp:debug [register_driver]
> registered driver elan
> nov. 09 17:23:09 mycomputer fprintd[2306]: fp:debug [find_supporting_driver]
> driver elan supports USB device 04f3:0903
> nov. 09 17:23:09 mycomputer fprintd[2306]: fp:debug [find_supporting_driver]
> selected driver elan supports USB device 04f3:0903
> ```
>
> Then I try enrollement:
>
> ```
> $ fprintd-enroll
> Using device /net/reactivated/Fprint/Device/0
> Enrolling right-index-finger finger.
> Enroll result: enroll-disconnected
> ```
>
> journalctl:
>
> ```
> nov. 09 17:27:35 mycomputer fprintd[2379]: user 'sbechet' claiming the
> device: 0
> nov. 09 17:27:35 mycomputer fprintd[2379]: async:debug [fp_async_dev_open]
> nov. 09 17:27:35 mycomputer fprintd[2379]: now monitoring fd 15
> nov. 09 17:27:35 mycomputer fprintd[2379]: device 0 claim status 0
> nov. 09 17:27:35 mycomputer fprintd[2379]: elan:debug [dev_init]
> nov. 09 17:27:35 mycomputer fprintd[2379]: async:debug
> [fpi_drvcb_open_complete] status 0
> nov. 09 17:27:35 mycomputer fprintd[2379]: start enrollment device 0 finger
> 7
> nov. 09 17:27:35 mycomputer fprintd[2379]: async:debug
> [fp_async_enroll_start] starting enrollment
> nov. 09 17:27:35 mycomputer fprintd[2379]: fp:debug [generic_acquire_start]
> action 1
> nov. 09 17:27:35 mycomputer fprintd[2379]: elan:debug [dev_activate]
> nov. 09 17:27:35 mycomputer fprintd[2379]: elan:debug [elan_dev_reset]
> nov. 09 17:27:35 mycomputer fprintd[2379]: drv:debug [__ssm_call_handler]
> 0x55f20425fb70 entering state 0
> nov. 09 17:27:35 mycomputer fprintd[2379]: elan:debug [elan_run_cmds]
> nov. 09 17:27:35 mycomputer fprintd[2379]: elan:debug [elan_run_next_cmd]
> nov. 09 17:27:35 mycomputer fprintd[2379]: elan:debug [elan_cmd_cb]
> nov. 09 17:27:35 mycomputer fprintd[2379]: elan:debug [elan_cmd_read]
> nov. 09 17:27:35 mycomputer fprintd[2379]: elan:debug [elan_cmd_cb]
> nov. 09 17:27:35 mycomputer fprintd[2379]: elan:debug [elan_cmd_done]
> nov. 09 17:27:35 mycomputer fprintd[2379]: elan:debug [elan_run_next_cmd]
> nov. 09 17:27:35 mycomputer fprintd[2379]: elan:debug [elan_cmd_cb]
> nov. 09 17:27:35 mycomputer fprintd[2379]: elan:debug [elan_cmd_read]
> nov. 09 17:27:35 mycomputer fprintd[2379]: elan:debug [elan_cmd_cb]
> nov. 09 17:27:35 mycomputer fprintd[2379]: elan:debug [elan_cmd_done]
> nov. 09 17:27:35 mycomputer fprintd[2379]: elan:debug [elan_run_next_cmd]
> nov. 09 17:27:35 mycomputer fprintd[2379]: elan:debug [elan_cmd_cb]
> nov. 09 17:27:35 mycomputer fprintd[2379]: elan:debug [elan_cmd_read]
> nov. 09 17:27:35 mycomputer fprintd[2379]: elan:debug [elan_cmd_cb]
> nov. 09 17:27:35 mycomputer fprintd[2379]: elan:debug [elan_cmd_cb]
> unexpected transfer length
> nov. 09 17:27:35 mycomputer fprintd[2379]: drv:debug [fpi_ssm_mark_aborted]
> error -71 from state 0
> nov. 09 17:27:35 mycomputer fprintd[2379]: drv:debug
> [fpi_ssm_mark_completed] 0x55f20425fb70 completed with status -71
> nov. 09 17:27:35 mycomputer fprintd[2379]: elan:debug [init_complete]
> nov. 09 17:27:35 mycomputer fprintd[2379]: fp:debug
> [fpi_imgdev_session_error] error -71
> nov. 09 17:27:35 mycomputer fprintd[2379]: async:error
> [fpi_drvcb_enroll_stage_completed] BUG at async.c:161
> nov. 09 17:27:35 mycomputer fprintd[2379]: async:debug
> [fpi_drvcb_enroll_stage_completed] result -71
> nov. 09 17:27:35 mycomputer fprintd[2379]: enroll_stage_cb: result -71
> nov. 09 17:27:35 mycomputer fprintd[2379]: elan:debug [dev_deinit]
> nov. 09 17:27:35 mycomputer fprintd[2379]: async:debug
> [fpi_drvcb_close_complete]
> nov. 09 17:27:35 mycomputer fprintd[2379]: no longer monitoring fd 15
> nov. 09 17:27:35 mycomputer fprintd[2379]: released device 0
> ```
>
>
>
> _______________________________________________
> fprint mailing list
> fprint at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/fprint
>
>
>
> _______________________________________________
> fprint mailing list
> fprint at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/fprint
>