ffado-mixer error after latest "pacman -Syu"

[Susanne Schneider via arch-general <arch-general@xxxxxxxxxxxxxxxxxxx>]

hi,
when trying to start ffado-mixer I receive the following message:

>
   ...   $ ffado-mixer
Traceback (most recent call last):
  File "/usr/lib/python3.10/site-packages/ffado/panelmanager.py", line 
460, in updatePanels
    self.addPanel(idx)
  File "/usr/lib/python3.10/site-packages/ffado/panelmanager.py", line 
339, in addPanel
    mixerwidget.initValues()
  File "/usr/lib/python3.10/site-packages/ffado/mixer/saffirepro.py", 
line 102, in initValues
    self.selectCorrectMode()
  File "/usr/lib/python3.10/site-packages/ffado/mixer/saffirepro.py", 
line 61, in selectCorrectMode
    self.large.initValues()
  File "/usr/lib/python3.10/site-packages/ffado/mixer/saffire_base.py", 
line 137, in initValues
    self.updateValues()
  File "/usr/lib/python3.10/site-packages/ffado/mixer/saffirepro.py", 
line 347, in updateValues
    SaffireMixerBase.updateValues(self)
  File "/usr/lib/python3.10/site-packages/ffado/mixer/saffire_base.py", 
line 105, in updateValues
    ctrl.setValue(vol)
TypeError: setValue(self, int): argument 1 has unexpected type 'dbus.Double'
Abgebrochen (Speicherabzug geschrieben)
....  $
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any hit will be appreciated, either, if I can do something on my own or 
where to direct a bug report etc...

thanks for reading,

-suse
(Thinkpad T520, Focusrite Saffire Pro10)