enable dts-ma transcoding to dts

How can I enable transcoding from DTS-MA to DTS to send over SPDIF?
Kodi configuration: 2.0 channels, Optimized, allow passthrough only for AC3 and DTS (DTS-HD and E-EAC are unchecked).
I disabled option “DTS-HD capable receiver” but it doesn’t work – no sound.
4k android player with kodi 17.x -> 4k video -> 4k tv
4k android player with kodi 17.x -> spdif -> onkyo ht-r590 (have to use spdif due to missing hdmi 2.0 / hdcp 2.2 support)