2010/7/22 Adam Kropelin <akropel1@xxxxxxxxxxxxxxxx>: >> Windows would still choose the first configuration so all would be grand. > > Actually, Windows' enumeration of composite devices is quite broken > (ok, maybe "not ideal") and it will in fact only select a > configuration if a composite device has a single config. If it has > multiple configs Windows punts and makes you install an INF to force > it to select a config (using a registry setting of course...ugh!). > I've been trying to find a way to work around both the Linux RNDIS > issue and various Windows issues from the device side since I have > control of the device firmware. At this point I'm pretty much > convinced it's not possible to make both Linux and Windows happy at > the same time. I'd love to be wrong about that, though. > Just for the reference. http://blogs.msdn.com/b/usbcoreblog/archive/2010/05/19/multi-config-usb-devices-and-windows.aspx http://msdn.microsoft.com/en-us/library/ff538059%28VS.85%29.aspx (quite some typo here, especially the 50 amperes part). >From what I read, I think you are right. And it seems to me that it is not a very good idea to have a USB Composite device with multiple configurations. What is the use case for that? -- Xiaofan http://sourceforge.net/projects/libusb-win32/ -- 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
