# HwBinder IPC from client to server, and callbacks binder_call(hal_contexthub_client, hal_contexthub_server) binder_call(hal_contexthub_server, hal_contexthub_client) add_hwservice(hal_contexthub_server, hal_contexthub_hwservice) allow hal_contexthub_client hal_contexthub_hwservice:hwservice_manager find;