After discussion with the maintainers, the problem actually lies in the
kernel drivers where a dash is forbidden. But the da9063-hwmon driver
was using a deprecated function which was not checking the name.
BugzID: 81093
These two hardware have the ability to read out the wwan modem supply to
know when it is completely turned off.
This is abstracted to wwan-config through lmsensors rules.
BugzID: 80542
Alexandre Bard