What happens? Is there an error? Does it just say no match?
On my jinlon I enrolled fingerprints since months ago and matching still works after many reboots. It also works for me after suspend.
What is the output of sudo ectool version --name=cros_fp?
This is what it is for me:
RO version: bloonchipper_v2.0.4277-9f652bb3
RO cros fwid: CROS_FWID_MISSING
RW version: bloonchipper_v2.0.22088-9bcb401
RW cros fwid: bloonchipper_15569.0.0
Firmware copy: RW
Build info: bloonchipper_v2.0.22088-9bcb401 boringssl:v0.0.7276-e0d601a57 cryptoc:v1.9308_26_0.14-0dd6790 private:v2.1.9999-9bcb401c fpc:v2.1.9999-9bcb401c bloonchipper_15569.0.0 2023-08-03 19:16:10 @chromeos-release-builder-us-east1-d-x32-44-lbxf
Tool version: 0.0.1-isolate Jan 1 1980 none