BATOCERA - fixed BT with

gistfile1.txt

# bluetoothctl
[NEW] Controller B8:27:EB:3C:DB:A0 BlueZ 5.47 [default]
Agent registered
[bluetooth]# agent on
Agent is already registered
[bluetooth]# default-agent
Default agent request successful
[bluetooth]# power on
Changing power on succeeded
[bluetooth]# scan on
Discovery started
[CHG] Controller B8:27:EB:3C:DB:A0 Discovering: yes
[NEW] Device 20:73:AB:00:83:9D 20-73-AB-00-83-9D
[CHG] Device 20:73:AB:00:83:9D LegacyPairing: no
[CHG] Device 20:73:AB:00:83:9D Name: idroid:con
[CHG] Device 20:73:AB:00:83:9D Alias: idroid:con
[bluetooth]# pair 20:73:AB:00:83:9D
Attempting to pair with 20:73:AB:00:83:9D
[CHG] Device 20:73:AB:00:83:9D Connected: yes
[CHG] Device 20:73:AB:00:83:9D Modalias: usb:v0A5Cp8502d011B
[CHG] Device 20:73:AB:00:83:9D UUIDs: 00001124-0000-1000-8000-00805f9b34fb
[CHG] Device 20:73:AB:00:83:9D UUIDs: 00001200-0000-1000-8000-00805f9b34fb
[CHG] Device 20:73:AB:00:83:9D ServicesResolved: yes
[CHG] Device 20:73:AB:00:83:9D Paired: yes
Pairing successful
[CHG] Device 20:73:AB:00:83:9D Trusted: yes
[idroid:con]# connect 20:73:AB:00:83:9D
Attempting to connect to 20:73:AB:00:83:9D
Connection successful
[idroid:con]# trust 20:73:AB:00:83:9D
Changing 20:73:AB:00:83:9D trust succeeded
[CHG] Device 20:73:AB:00:83:9D ServicesResolved: no
[CHG] Device 20:73:AB:00:83:9D Connected: no
[CHG] Device 20:73:AB:00:83:9D Class: 0x00000504
[CHG] Device 20:73:AB:00:83:9D Icon: input-gaming
[CHG] Device 20:73:AB:00:83:9D Connected: yes

POWER OFF --- POWER ON --> works reconnect established

[CHG] Device 20:73:AB:00:83:9D Connected: no
[CHG] Device 20:73:AB:00:83:9D Connected: yes

REBOOT

# bluetoothctl
[NEW] Controller B8:27:EB:3C:DB:A0 BlueZ 5.47 [default]
[NEW] Device 20:73:AB:00:83:9D idroid:con
Agent registered
[CHG] Device 20:73:AB:00:83:9D Connected: yes
[CHG] Device 20:73:AB:00:83:9D Connected: no
[CHG] Device 20:73:AB:00:83:9D Connected: yes

POWER OFF --- POWER ON --> does not work, it says connected, controller is not connected
> Exchanged /usr/libexec/bluetooth/bluetoothd from 5.25 stable 
> md5:   e311e771c59658cb394072f03855bb16
> crc32: 725dfe99
> with /usr/libexec/bluetooth/bluetoothd from 5.26-dev 17.03.2020
> md5:   b3f84558f4cd09dfa06772bdd9488dcc
> crc32: 320d63d5
> save changes to overlay with batocera-save-overlay 
REBOOT

# bluetoothctl
[NEW] Controller B8:27:EB:3C:DB:A0 BlueZ 5.47 [default]
[NEW] Device 20:73:AB:00:83:9D idroid:con
Agent registered
[CHG] Device 20:73:AB:00:83:9D Connected: yes
[CHG] Device 20:73:AB:00:83:9D Connected: no
[CHG] Device 20:73:AB:00:83:9D Connected: yes

POWER OFF --- POWER ON --> does work now, like it should
ISSUE RESOLVED

More explaination in this PR: batocera-linux/batocera.linux#1398