cannot retrieve biases on SilkyEVCamHD

cannot retrieve biases on SilkyEVCamHD

On a SilkyEVCamHD the reading of bias parameters through the SDK fails. The identical code works for the SilkyEVCamHD:
  1. const Metavision::Biases biases = cam_.biases();
  2. Metavision::I_LL_Biases * hw_biases = biases.get_facility();
  3. const auto pmap = hw_biases->get_all_biases();
  4. for (const auto & bp : pmap) {
  5.     std::cout << "found bias param: " << bp.first << " " << bp.second << std::endl;
  6. }
but on the SilkyEVCamHD it just returns all zeros:

  1. found bias param: bias_diff 0
  2. found bias param: bias_diff_off 0
  3. found bias param: bias_fo 0
  4. found bias param: bias_hpf 0
  5. found bias param: bias_refr 0
I'm running on the latest OpenEB 3.1.2 (but an earlier version had the same issue).
Also not much luck with metavision player:
  1. usr/local/bin/metavision_player --show-biases
  2. Metavision Player can not be used to set biases for this camera. Please use Metavision Studio instead. 
  3. [HAL][WARNING] Failed Bias Name check 

Any suggestions?
Thanks!

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