On Thu, 29 Aug 2013, Martin MOKREJŠ wrote: > > Since this device is 4-2, the parent hub is usb4. > > Actually, even if that would be a another USB HUB and not a PCI device (root hub), > I would be happy if it extracted something like: > > Bus 004 Device 006: ID 2109:0810 $iManufacturer and $iProduct > > for me. > > > Bus 004 Device 006: ID 2109:0810 > Device Descriptor: > bLength 18 > bDescriptorType 1 > bcdUSB 3.00 > bDeviceClass 9 Hub > bDeviceSubClass 0 Unused > bDeviceProtocol 3 > bMaxPacketSize0 9 > idVendor 0x2109 > idProduct 0x0810 > bcdDevice 3.74 > iManufacturer 1 VIA Labs, Inc. > iProduct 2 4-Port USB 3.0 Hub > iSerial 0 > bNumConfigurations 1 > Configuration Descriptor: > bLength 9 > bDescriptorType 2 > wTotalLength 31 > bNumInterfaces 1 > bConfigurationValue 1 > iConfiguration 0 > bmAttributes 0xc0 > Self Powered > MaxPower 2mA This really is asking too much of the kernel. That's why we have userspace utilities like lsusb. For example, it wouldn't be hard to write a shell script that would take a device name like "4-2" and print out the information you want. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
