Hi Andreas,
> first: don't know if Bluetooth has worked before. If updated today the laptop and noticed Bluetooth isn't working.
Nope, the bliuetooth for the brcmfmac parts is complicated.
> dmesg | grep -i bluetooth missed 'brcm/BCM4345C5.hcd
>
> After searching Internet I've found https://copr.fedorainfracloud.org/coprs/jwillikers/pinebook-pro and installed ap6256-firmware-2020.02-10.fc39.aarch64.rpm
Well per the rules for copr that shouldn't be there, but that aside....
There's two different WiFi parts, both using brcmfmac, in the Pinebook
Pro so it will depend on which one you have.
One of those parts is a Cypress part, now part of Infineon, and the
WiFi for that part will work OOTB. The WiFi for the synaptics part
won't work OOTB. That should tell you what variant of the HW you have.
You then need to go and find the right version of the BT firmware for
the one you have because neither of those firmware are upstream.
The most useful bit of debug is actually from the wifi module:
# dmesg | grep FWID
[ 20.285673] brcmfmac: brcmf_c_preinit_dcmds: Firmware: BCM4356/2
wl0: Apr 9 2021 00:40:07 version 7.35.349.104 (775a9ab CY) FWID
01-64b609e0
The two letter right before the FWID tells you who makes the module.
The above is from the Rock960 which has a Cypress part.
Basically Broadcom made the original HW, they then sold it to
Cypress... but kept rights to it.... then Broadcom sold it to
Synaptics.... but kept the rights to it. So there's 3 vendors making
similar but not the same HW, in all cases the BT firmware can only be
described as a mess!
Peter
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