"Reclaim" audio from Mopidy

I have Mopidy running on my Rpi along side OSMC/Kodi and the PI is always on.
Is is possible to make Kodi/Osmc take control of my soundcard (Hifiberry DAC+) after I´ve been using Mopidy without rebooting?

I´ve tried to restart Mediacenter (Kodi) but that doesn´t help, Audio is going through HDMI