I hope this is the correct group for this question. If not I can redirect the post.
I have developped a BSP for Raspberry Pi 4 2G using Buildroot.
I enabled the rpi-bt-firmware, rpi-firmware and the bluez5 utils and tools, but running the bluetooth is failing.
What I have tried for the moment :
The bluetoothctl command : permits to enter the bluetooth mode
In the bluetooth mode, I try to display the controllers available with the command list but none is displayed:
#bluetoothctl Agent registered [bluetooth]# list [bluetooth]#
It is confirmed by running the command scan (used to detect available bluetooth devices around) which returns :
[bluetooth]# scan on No default controller available [bluetooth]#
I also try the rfkill list command to display all available wireless controllers and it returns a Wireless LAN but no bluetooth
# rfkill list 0: phy0: Wireless LAN Soft blocked: no Hard blocked: no #
I searched in the buildroot configuration and in the prompt help it is mentioned that the rpi-bt-firmware package is used for ras pi 3b. Is there another package for ras pi4? I wonder if all firmwares were gathered in rpi-firmware. I installed it but the result is still the same as above : no bluetooth.
Any help or link will be much appreciated. I can provide any extra info needed.