Reply To: Bluetooth controller stops working after idle

[rion]

Have you tried this

https://github.com/retropie/retropie-setup/wiki/Setting-up-a-Bluetooth-controller

Keep bluetooth scanning
This should keep the Pi scanning for bluetooth devices in case the pair is lost.
sudo nano /etc/init.d/rc.local
add “sudo hciconfig hci0 up piscan” (without the quotes) above the line that says “exit 0”
ctrl x
y
enter
sudo reboot