USB_DEVICE_ID_MATCH_DEV_LO 804 include/linux/usb.h (USB_DEVICE_ID_MATCH_DEV_LO | USB_DEVICE_ID_MATCH_DEV_HI) USB_DEVICE_ID_MATCH_DEV_LO 294 scripts/mod/file2alias.c devlo = match_flags & USB_DEVICE_ID_MATCH_DEV_LO ?