Looks like it is broken again. I has buster working in November but had to reinstall it last week NOOBS_v3_3_0 and now I can't get sound out of either HDMI socket.
pi@raspberrypi:~ $ snd_bcm2835.enable_headphones=1 snd_bcm2835.enable_hdmi=1 snd_bcm2835.enable_compat_alsa=0bunklung wrote: ↑Tue Aug 27, 2019 7:40 pmOh man, sorry about that, total brain fart there
We are good! Now I just need to figure out the udev rules
bash: snd_bcm2835.enable_headphones=1: command not found