On Tue, Feb 02, 2016 at 08:28:51AM +0000, Suresh Gupta wrote: > I want to write end to end raw HID interface for some specific user defined data communication on USB. Can anyone help me or point me > > 1. What all changes I need in device/host driver. > 2. How it interact with application at device side. > 3. How it interact with Host side application. What did you try that did not work for you? The hidraw interface should allow you to do this from userspace with no kernel changes at all. good luck, 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