See ArchLinux Wiki.
paru -S pam-fprint-grosshack
Add a line before auth include system-login
auth sufficient pam_fprintd.so
auth sufficient pam_fprintd_grosshack.so
auth sufficient pam_unix.so try_first_pass nullok
See ArchLinux Wiki.
paru -S pam-fprint-grosshack
Add a line before auth include system-login
auth sufficient pam_fprintd.so
auth sufficient pam_fprintd_grosshack.so
auth sufficient pam_unix.so try_first_pass nullok