EcCommand
status = EcCommand(sc, EC_COMMAND_WRITE);
static ACPI_STATUS EcCommand(struct acpi_ec_softc *sc, EC_COMMAND cmd);
Status = EcCommand(sc, EC_COMMAND_QUERY);
Status = EcCommand(sc, EC_COMMAND_BURST_ENABLE);
if (ACPI_SUCCESS(EcCommand(sc, EC_COMMAND_BURST_DISABLE)))
status = EcCommand(sc, EC_COMMAND_READ);