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I've installed Ubuntu 17.10 on the Xiaomi Notebook Ari 13'3 but I couldn't get the fingerprint function running for logon. The Fingerprint GUI sees no device at all. Maybe there are necessary drivers for the Xiaomi Fingerprint sensor?

Here's the output (partial) of lsusb:

Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 8087:0a2b Intel Corp.
Bus 001 Device 003: ID 04f3:0c1a Elan Microelectronics Corp.
Bus 001 Device 002: ID 04f2:b5a3 Chicony Electronics Co., Ltd
...
Amith KK
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Eugen
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    Please edit your question to include the output of the `lsusb` command. This should enumerate the fingerprint reader device, which will help us better troubleshoot your issue. – richbl Jan 03 '18 at 17:26
  • @richbl the result is _Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 004: ID 8087:0a2b Intel Corp. Bus 001 Device 003: ID 04f3:0c1a Elan Microelectronics Corp. Bus 001 Device 002: ID 04f2:b5a3 Chicony Electronics Co., Ltd Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub_ – MetaColon Jan 04 '18 at 14:37
  • @MetaColon, I edited your question to make the output of `lsusb` more legible. – richbl Jan 04 '18 at 15:48
  • @richbl As a matter of fact, it's not my question, I just have the same problem. – MetaColon Jan 04 '18 at 15:49
  • The key to what `lsusb` tells us is that the fingerprint device is from Elan Microelectronics Corp (device 04f3:0c1a). We can use that information to better troubleshoot your issue. – richbl Jan 04 '18 at 15:49
  • It actually seems to be a known issue for a similiar device: https://bugs.launchpad.net/ubuntu/+source/libfprint/+bug/1641290 – MetaColon Jan 04 '18 at 16:38
  • @Eugen, some additional information about your device: no native support through the original [`libfprint` project](https://www.freedesktop.org/wiki/Software/fprint/libfprint/Supported_devices/). However, there's [a very recent project up on GitHub that's doing some work directly related to the Elan fingerprint sensors](https://github.com/iafilatov/libfprint). In fact, there's [a recent request for support of your specific device noted here](https://github.com/iafilatov/libfprint/issues). I'd suggest you contact the developer, let them know you have the device, and offer to help out. – richbl Jan 05 '18 at 05:34
  • Let us [continue this discussion in chat](http://chat.stackexchange.com/rooms/71234/discussion-between-metacolon-and-richbl). – MetaColon Jan 05 '18 at 13:14

1 Answers1

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Had the same issue solved by installing fingerprint+gui package. After adding this package Ubuntu recognised the fingerprint HW.

Add ppa source:

sudo apt-add-repository ppa:fingerprint/fingerprint-gui

Update source list: 

sudo apt-get update

Install necessary packages:

sudo apt-get install libbsapi policykit-1-fingerprint-gui fingerprint-gui

Installing this packages will overwrite/remove default package "policykit-gnome" In case you decide to remove this PPA, reinstall default policykit.

Petr
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