# HwBinder IPC from client to server, and callbacks binder_call(hal_fingerprint_client, hal_fingerprint_server) binder_call(hal_fingerprint_server, hal_fingerprint_client) hal_attribute_hwservice(hal_fingerprint, hal_fingerprint_hwservice) # For memory allocation allow hal_fingerprint ion_device:chr_file r_file_perms; allow hal_fingerprint fingerprint_vendor_data_file:file { create_file_perms }; allow hal_fingerprint fingerprint_vendor_data_file:dir rw_dir_perms; r_dir_file(hal_fingerprint, cgroup) r_dir_file(hal_fingerprint, sysfs)