Amlogic S905 - bluetoothctl no default controller detected

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Amlogic S905 - bluetoothctl no default controller detected

Postby ajiratech » Sun Jul 08, 2018 10:54 pm

I have a Chinese TV box that is setup to run Arch linux - It is powered by Amlogic S905 quad core with Mali 450 GPU (similar to Odroid C2) . For the most part it works reasonably well - Gigabit ethernet, USB, HDMI etc all work.
It has a Realtek chip RTD8723 with wifi and bluetooth. I have not tried wifi but would like bluetooth to work primarily for audio. But I can't get it to work. Here is the output of some of the commands I've tried.

$this->bbcode_second_pass_code('', '

$ dmesg | grep Bluetooth
[ 17.475504] Bluetooth: Core ver 2.18
[ 17.475553] Bluetooth: HCI device and connection manager initialized
[ 17.475583] Bluetooth: HCI socket layer initialized
[ 17.475591] Bluetooth: L2CAP socket layer initialized
[ 17.475618] Bluetooth: SCO socket layer initialized
[ 17.495327] Bluetooth: RFCOMM TTY layer initialized
[ 17.495365] Bluetooth: RFCOMM socket layer initialized
[ 17.495384] Bluetooth: RFCOMM ver 1.11
[ 85.294393] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 85.294415] Bluetooth: BNEP filters: protocol multicast
[ 85.294464] Bluetooth: BNEP socket layer initialized

$ sudo systemctl status bluetooth
* bluetooth.service - Bluetooth service
Loaded: loaded (/usr/lib/systemd/system/bluetooth.service; enabled; vendor preset: disabled)
Active: active (running) since Sun 2018-07-08 20:38:47 UTC; 2h 12min ago
Docs: man:bluetoothd(8)
Main PID: 2903 (bluetoothd)
Status: "Running"
Memory: 1.2M
CGroup: /system.slice/bluetooth.service
`-2903 /usr/lib/bluetooth/bluetoothd

Jul 08 20:38:47 localHost systemd[1]: Starting Bluetooth service...
Jul 08 20:38:47 localHost bluetoothd[2903]: Bluetooth daemon 5.45
Jul 08 20:38:47 localHost systemd[1]: Started Bluetooth service.
Jul 08 20:38:47 localHost bluetoothd[2903]: Starting SDP server
Jul 08 20:38:47 localHost bluetoothd[2903]: Bluetooth management interface 1.4 initialized

$ hciconfig
-bash: hciconfig: command not found

$ sudo bluetoothctl
Agent registered
[bluetooth]# devices
No default controller available
[bluetooth]# list
[bluetooth]#

$ lsmod
Module Size Used by
bnep 11124 2
rfcomm 33907 0
bluetooth 242323 8 bnep,rfcomm
6lowpan_iphc 5839 1 bluetooth
autofs4 24821 2

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Please advice what do I need to do to get this to work. Also, does the output provided suggest that I have the device drivers loaded for wifi and bluetooth ?

Thanks in advance.
ajiratech
 
Posts: 5
Joined: Tue Aug 22, 2017 5:59 am

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