Solved No Sound throught HDMI

[Substring]

@levendis32 maybe you just turned it off ?
What recalbox cersion do you have ? What board ?

[paradadf]

I'd let it on AUTO. I've met some users which had audio issues because they specified HDMI. Maybe important... which controller you have? Ps4 pads have an integrated sound card which blocks HDMI audio.

[levendis32]

SOLVED ...PS4 Controller conficts with sound from HDMI.So the only thing you have to do is to unplug the controller and restart Raspberry.

[levendis32]

@paradadf you are so right bro. Thanx

[ian57]

@levendis32 @paradadf The best way is to blacklist the usb sound module see https://forum.recalbox.com/topic/5423/no-sound-recalbox-with-new-ps4-controller/5

[Substring]

I'd need a guinea pig to test forced sound devices order. Just need to pass 4 commands then reboot

[levendis32]

@ian57 kindly thank you for the reply but i dont know how to

mount -o remount, rw / , vi /etc/modprobe.d/blacklist.conf ,
add blacklist snd-usb-audio ,  reboot .

Where can I do all this ? : /

[ian57]

@levendis32 you need to make this through SSH or on the console after quitting EmulationStation with the F4 key. See https://github.com/recalbox/recalbox-os/wiki/Root-access-on-terminal-(EN) to know how to do this. After that just make the command :

mount -o remount, rw /

to be able to modify the file in the ReadOnly filesystem

nano /etc/modprobe.d/blacklist.conf

to edit the right file
add the following line in the file :

blacklist snd-usb-audio

save and reboot. That's all

[Substring]

@ian57 could you try forcing bcm2835 as index=0 rather than modifying snd-usb ?

[ian57]

@Substring I made that last friday... you did not see my results? Works like a charm

juste put :

options snd slots=snd_bcm2835

in /etc/modprobe.d/alsa.conf, reboot and the first audio device will always be the one from the Raspberry Pi

[Substring]

@ian57 i love it. I remember index=-2 for snd-usb, but that is great news. Should make it by default in recalbox