USB_RT_ACM         16 drivers/staging/gdm724x/gdm_mux.h #define USB_RT_ACM          (USB_TYPE_CLASS | USB_RECIP_INTERFACE)
USB_RT_ACM         29 drivers/usb/class/cdc-acm.h #define USB_RT_ACM		(USB_TYPE_CLASS | USB_RECIP_INTERFACE)