Re: [External] Re: Debian and fingerprint readers
On 06/03/2021 11:24, Wouter Verhelst wrote:
> On Fri, Mar 05, 2021 at 06:13:58PM -0500, Sam Hartman wrote:
>>>>>>> "Mark" == Mark Pearson <markpearson@lenovo.com> writes:
>>
>> Mark> It's just a case of needing the libfprint and fprintd packages
>> Mark> installed and then under settings->user you can start
>> Mark> registering your prints.
>>
>> Right, and the desktop maintainers could choose to make their desktop
>> meta packages depend on these two packages.
>> That was my point.
>
> While this true, it would mean that the fingerprint readers would only
> work for those users who choose to install one of the desktops on their
> system that adds this dependency.
>
> If it is added to the laptop metapackage instead, then it will be made
> available on all laptops, which are more likely than other hardware to
> have a fingerprint reader.
>
> If it is instead installed by hardware detection (through
> https://salsa.debian.org/installer-team/hw-detect), then it will be
> installed on all systems that have a fingerprint reader (and which don't
> have it disabled in the BIOS, which you should do at any rate if you're
> not interested in using it), regardless of whether they are a laptop,
> desktop, or server. However, the downside to this method is that unless
> there is a way to identify all fingerprint readers by way of a PCI or
> USB attribute (and I have no idea whether this is possible), you'll have
> to compile a list of vendor and product IDs, which by necessity will be
> forever incomplete.
>
libfprint have a list of all supported devices which should be helpful -
based on USB ID:
https://fprint.freedesktop.org/supported-devices.html
Mark
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