On Mon, Aug 01, 2016 at 08:40:02PM +0200, Ladislav Michl wrote: > Hi, > > I need to ask usbtmc device for vendor specific data. What about adding ioctl > which switches MsgIDs to be vendor specific? Or are there other, better, > options? Patch bellow ilustrates changes to allow reading and writing vendor > specific messages. I don't understand exactly what you are changing here, it seems like you are just changing the messages being sent to the device? Doesn't that break existing users? confused, greg k-h -- 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