allow hal_audio_default ultrasound_device:chr_file rw_file_perms;

hal_client_domain(hal_audio_default, vendor_hal_oplusPerf)

hal_client_domain(hal_audio_default, vendor_hal_dms)

allow hal_audio_default vendor_hal_dms_default:binder { transfer call };
allow hal_audio_default vendor_hal_dms_hwservice:hwservice_manager { find };