I have a few wired and wireless Logitech trackballs, and I would like to use them with Qubes on my Librem 14.
I have setup disposable debian-minimal-based sys-qubes (sys-net, sys-usb, etc.), and I cannot get any of my trackballs to work in dom0. Whether the qubes.InputMouse file in /etc/qubes-rpc/policy/ has the setting “sys-usb dom0 ask,default_target=dom0” or “sys-usb dom0 allow” dom0 does not seem to recogize any of these trackballs as a mouse. There is no auto-attaching, and there is no menu pop-up asking permission to attach to dom0.
I do not know what else to do to get this to work. Can this be done on the Librem 14?