65Q95T + HK citation bar (E-ARC) + raspberry pi --> no sound

[BBS1]

Dear all,

I've connected my Harman Kardon Citation bar with my Samsung 65Q95T through the eARC HMDI. This works nicely.

I also wanted to connect a raspberry pi for retro gaming. Up until now I've tried several of the other HMDI-in ports. But in all cases I do get the video stream but no sound.

I've tried various 'pass-through' options but can't get it working. 

Any solutions here? Thanks

[Pugs1957]

Probably a configuration error in pi.