I don’t know if it’s related, but a dmesg from ssh connection show some error about sound:
[ 9.416285] hdmi-audio-codec hdmi-audio-codec.1.auto: ASoC: error at snd_soc_dai_startup on i2s-hifi: -19
lsmod give the following output, so kernel drivers seems to be load correctly:
[root@BATOCERA /var/log]# lsmod | grep da
snd_soc_hifiberry_dacplus 16384 0
snd_soc_core 237568 5 snd_soc_hdmi_codec,vc4,snd_soc_bcm2835_i2s,snd_soc_hifiberry_dacplus,snd_soc_pcm512x
snd_pcm 139264 6 snd_soc_hdmi_codec,snd_soc_bcm2835_i2s,snd_soc_hifiberry_dacplus,snd_soc_pcm512x,snd_soc_core,snd_pcm_dmaengine
clk_hifiberry_dacpro 16384 0