Add Fingerprint Login Support

10542hsrif

WetGeek no it aint connected, that's included in my touchpad
but thanks for trying to give me support

DataDrake

10542hsrif That's not how USB works on linux. The device is always detected if its there and most will still show up in lsusb even without a driver. Whether or not the kernel can make use of it is a whole other can of worms. There are several major brands of fingerprint reader that don't work at all on Linux.

10542hsrif

DataDrake ok thanks

MattX

WetGeek The problem is that in most cases lsusb will list the connected devices but they may not work at all. It's just reading the information from the device's chip.

DataDrake

MattX Sure, but the whole point of this exercise is to identify the reader so we can see if it's even supported.

10542hsrif

DataDrake actually my touchpad and fingerprint senso is branded with ELAN like that

DataDrake

MattX Let's try to keep this thread on topic please. None of this is related to the machine @10542hsrif has.

10542hsrif Regarding your fingerprint sensor, I was able to at least find this bug post: https://gitlab.freedesktop.org/libfprint/libfprint/-/issues/293

It seems like they merged in support with a newer libfprint, but ours is currently out of date.

I'm sorry to say I have been unable to find anything related to the touchpad on that model. If we can track down which ElanTech device it is, maybe it's as simple as turning a driver on in the kernel. Hard to say atm.

MattX

DataDrake Sorry. I didn't want to make a mess here, but I it's nice for the others to see if it works under other distro. Pop!_OS is Ubuntu based made for custom hardware. If it'll work it can be somehow implemented into Solus in the future.

10542hsrif

DataDrake thanks

DataDrake

MattX Pop!_OS is specifically built to ensure that everything works well on System76 systems. Not Asus. The only difference regarding fingerprint reader support there will be the version of libfprint they have and which things are available in the kernels they ship. Both of those things can be rectified on Solus with the correct information, assuming that the support for the hardware in question exists on Linux.

MattX

DataDrake It seems that support for finger print and these odd touchpads are barely supported on Linux. There are not many people who have this on their machines (or care about it), so there are no people to test it out. They should check the distros from the top of distrowatch to see if it's working. If it's not we will have to wait some time for it to come.

DataDrake

MattX With all due respect, I'm the Tech Lead for Solus and I'd rather not have users running off and installing a totally different distro on the off chance that maybe it works there, when I know for a fact that if it works at all, I'm in a position to make it work on Solus. And not just for them, for everyone else.

MattX

DataDrake Ok, I understand.

brent

I would add type 'fingerprint' in the search bar at devtracker and a detailed clearer picture will emerge when you read the task threads. My take (correct or incorrect) is there are issues with unreliability and compatibility currently, but hopeful down the road. Maybe.

MattX

I'm going to buy a freaking USB finger print reader soon to test it out on every popular distro out there and I will let you know if it works.

sHAKaJaada

Following this instructions and also here, several things are needed to be able to change the PAM configuration to use fingerprint for "sudo pam-auth-update" such as: libpam-fprintd... The procedure is somewhat successful on Solus and I manage to enroll fingerprint with the following command
fprintd-enroll $USER but not to change the PAM configuration with sudo pam-auth-update.
My device is

04f3:0903 Elan Microelectronics Corp. ELAN:Fingerprint

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