I also installed alsa-tools-gui to get both hdspconf, hdspmixer and also hdsploader.
When I type hdspconf i get:
Looking for HDSP cards :
No Hammerfall DSP card found.
When I type hdspmixer:
Looking for RME cards:
*** Error in `hdspmixer': munmap_chunk(): invalid pointer: 0x00007f309e4f61f8 ***
Aborted (core dumped)
When I type hdsploader:
hdsploader - firmware loader for RME Hammerfall DSP cards
Looking for HDSP + Multiface or Digiface cards :
For alsamixer or amixer it says no such file or directory.