usb mouse driver源码。usb mouse即是一个usb设备，同时也是一个输入设备，在linux驱动中需要将其注册为一个usb设备，同时也要加入到input子系统中-usb mouse driver source code. usb mouse that is a usb device, but also an input device in linux driver needs to be registered as a usb device, but also added to