USB devices with a BCD of 0x0201 or greater will have a USB 2.0 extension BOS descriptor. They may also have a SuperSpeed Capabilities BOS descriptor, which indicates a USB 3.0 device has been plugged into a USB 2.0 only port. Make lsusb display all BOS descriptors for USB 2.01 devices and later. Signed-off-by: Sarah Sharp <sarah.a.sharp@xxxxxxxxxxxxxxx> --- lsusb.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/lsusb.c b/lsusb.c index 37c43f7..4862e29 100644 --- a/lsusb.c +++ b/lsusb.c @@ -3799,7 +3799,7 @@ static void dumpdev(libusb_device *dev) if (desc.bDeviceClass == LIBUSB_CLASS_HUB) do_hub(udev, desc.bDeviceProtocol, desc.bcdUSB); - if (desc.bcdUSB >= 0x0300) { + if (desc.bcdUSB >= 0x0201) { dump_bos_descriptor(udev); } if (desc.bcdUSB == 0x0200) { -- 1.7.5.4 -- 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