The sound driver on all RPIs requires the VCHIQ driver so as to communicate with the firmware.
It has not yet been ported to arm64, so you won’t get any output through HDMI or the 3.5mm jack yet.
Your best bet is to use an USB sound card, or to try an armv6 snapshot (the RPI2 -CURRENT one for instance).
> Le 20 août 2017 à 13:46, irco via freebsd-arm <[hidden email]> a écrit :
> Dear list.
> I'd like to play sound from my Raspberyr Pi 3b but run into
> problems. I suspect a driver issue as no sound device shows up in
> My /boot/efi/config.txt contains
> and I'm running
> FreeBSD 12.0-CURRENT #0 r320146M: Tue Jun 20 09:59:03 MDT 2017
> [hidden email]:
> My question: Is anyone able to play sound from this device via
> hdmi or 3.5mm using FreeBSD-12-CURRENT without soldering additional
> sound card like electronics to it?
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