--- Bluetooth subsystem support 
 [*]   Bluetooth Classic (BR/EDR) features 
 <*>     RFCOMM protocol support 
 [*]       RFCOMM TTY support
 <*>     BNEP protocol support 
 [*]       Multicast filter support 
 [*]       Protocol filter support 
 <*>     HIDP protocol support 
 [*]     Bluetooth High Speed (HS) features 
 [*]   Bluetooth Low Energy (LE) features 
 [ ]   Bluetooth self testing support 
 [*]   Export Bluetooth internals in debugfs 
 Bluetooth device drivers  ---> 
           <*> HCI USB driver       
           [*]   Broadcom protocol support                     
           [*]   Realtek protocol support                      
           < > HCI SDIO driver      
           <*> HCI UART driver      
           -*-   UART (H4) protocol support                    
           [ ]   BCSP protocol support                         
           [ ]   Atheros AR300x serial support                 
           [ ]   HCILL protocol support                        
           [ ]   Three-wire UART (H5) protocol support         
           [ ]   Intel protocol support                        
           [*]   Broadcom protocol support                     
           [ ]   Qualcomm Atheros protocol support             
           < > HCI BCM203x USB driver                          
           < > HCI BPA10x USB driver
           < > HCI BlueFRITZ! USB driver                       
           < > HCI VHCI (Virtual HCI device) driver            
           < > Marvell Bluetooth driver support                
           < > Atheros firmware download driver