Oscilloscope: add option to trigger off of Logic DIO when in Mixed Signal Mode

[DeflateAwning]

Is your feature request related to a problem? Please describe.
I wish I could trigger off of a DIO rising edge or similar when in Mixed Signal Mode (i.e., showing both analog and DIO on the screen).

An example use case is where I use a digital signal to trigger an analog sensor with two analog output channels. I want to view the two analog output channels with the two analog pins (on a ADALM2000, for example), but trigger it off the DIO signal to the analog sensors. This configuration is helpful for cases where I want to confirm that the analog sensors respond with a constant low signal when queried via the DIO pin.

Describe the solution you'd like
In the Triggers pane (see screenhot, very right side), I want to be able to select DIO0 in the "Source" dropdown.

Describe alternatives you've considered
Currently, in the problem I described above, I have to probe the two analog channels separately, using one analog scope channel as the trigger signal.

Additional
Even if this is not implemented, can you please confirm if this is a hardware limitation, or just a lack of implementation in the current Scopy software? If it is simply a Scopy limitation, I may take a stab at implementing the feature; however, if it is physically impossible with the given hardware, please tell me so I don't waste time trying.