On Thu, February 14, 2019 11:10 am, Alan Stern wrote: >> The 'HUB descriptor' is not contained within the 'descriptors' file >> from the '/sys' interface, although I suspect that it can be accessed >> via _another_ file within '/sys'.... hopefully someone can point me at >> it. > > No, there is no sysfs file containing the content of the hub > descriptor. :-( > > On the other hand, it's not too hard to write a program to retrieve the > hub descriptor from a hub via usbfs or using libusb. Or you can just copy > the code in lsusb. I will attempt coding something, or take some other approach in my investigations. Thank you both so much for your replies, Simon
