Native DSD: linux-4.4.9-rt17

[hkphantomgtr]

I've tried the 6 combinations from 32_BE, 32_LS, Altset 1, 2, 3 but still got no luck on my Rockna DAC yet.   I hope it works on other Amanero usb input card. 

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I do not know whether this helps but previously, I had a DAC with a Amanero board driven by a SMS-200 Ultra (Linux based).  It definitely could do DSD, up to DSD256 natively.  BUT, the key was finding the right firmware for Linux, some versions had clicks, noise.  And firmware for Windows was different as well.  Unfortunately, some experimentation, trial and error required (which the DAC designer did most of the work, and I did testing).

Thank you very much for your sharing, you've given me a light of hope.