# HwBinder IPC from client to server, and callbacks binder_call(hal_fingerprint_client, hal_fingerprint_server) binder_call(hal_fingerprint_server, hal_fingerprint_client) # allow HAL module to read dir contents allow hal_fingerprint fingerprintd_data_file:file create_file_perms; # allow HAL module to read/write/unlink contents of this dir allow hal_fingerprint fingerprintd_data_file:dir rw_dir_perms; # For memory allocation allow hal_fingerprint ion_device:chr_file r_file_perms; r_dir_file(hal_fingerprint, cgroup) r_dir_file(hal_fingerprint, sysfs)