Technical support for Samsung Developers sent to general technical support of Samsung, general technical support sent back to the technical support for Samsung Developers. So assistance from Samsung now in dead loop

This is what I was saying, chances to get anything valuable (technical help) from Samsung is 0.
But I tried to check device logs of my test Galaxy S10e when playing DSF with Samsung Music and found out that firmware expects special flags (mode) and format for that. Set it in Neutron and managed to get to the same path in audioflinger core but so far - strong white noise. Attempts to guess bits arrangement failed so far and tried all existing variants - 1 bit interlieved or reversed, the way Cayin, Fiio, XMOS, SaviTech or iBasso DAPs expect it, nothing helped yet. Asked their support again to clarify format details but so far silence.
But when Samsung Music starts playback in the logs the following is showing up:
11-14 13:36:20.708: I/msm8974_platform(752): platform_check_and_set_codec_backend_cfg:becf: afe: bitwidth 24, samplerate 192000 channels 2, backend_idx 3 usecase = 0 device (headset)
I suspect that Samsung firmware converts DSD to 24/192 PCM and does not do native DSD output.