Merge "Conform enum logging bt_transport_text"

#define BT_TRANSPORT_LE 2

typedef uint8_t tBT_TRANSPORT;

inline std::string bt_transport_text(tBT_TRANSPORT transport) {

#define CASE_RETURN_TEXT(code) \

  case code:                   \

    return #code

inline std::string bt_transport_text(const tBT_TRANSPORT& transport) {

  switch (transport) {

    case BT_TRANSPORT_BR_EDR:

      return std::string("br_edr");

    case BT_TRANSPORT_LE:

      return std::string("le");

    CASE_RETURN_TEXT(BT_TRANSPORT_AUTO);

    CASE_RETURN_TEXT(BT_TRANSPORT_BR_EDR);

    CASE_RETURN_TEXT(BT_TRANSPORT_LE);

    default:

      return std::string("unknown");

      return std::string("UNKNOWN[") + std::to_string(transport) +

             std::string("]");

  }

}

#undef CASE_RETURN_TEXT