# HwBinder IPC from client to server, and callbacks binder_call(mtk_hal_em_client, mtk_hal_em_server) binder_call(mtk_hal_em_server, mtk_hal_em_client) add_hwservice(mtk_hal_em_server, mtk_hal_em_hwservice) allow mtk_hal_em_client mtk_hal_em_hwservice:hwservice_manager find;