Import hwdb matches for USB devices (not interfaces) which don't usually
have a modalias so that it's possible to, for example, make them
available for unprivileged users.
SUBSYSTEM=="usb", ENV{DEVTYPE}=="usb_device", IMPORT{builtin}="usb_id", IMPORT{builtin}="hwdb --subsystem=usb"
ENV{MODALIAS}!="", IMPORT{builtin}="hwdb --subsystem=$env{SUBSYSTEM}"
+SUBSYSTEM=="usb", ENV{DEVTYPE}=="usb_device", IMPORT{builtin}="hwdb 'usb:v$attr{idVendor}p$attr{idProduct}'"
ACTION!="add", GOTO="default_end"