To listen for only a specific DEVTYPE for a given SUBSYSTEM, use
"subsystem/devtype". For example, to only listen for uevents
where SUBSYSTEM is usb and DEVTYPE is usb_interface, use
"usb/usb_interface".
If this property is %NULL, then no events will be reported. If
it's the empty array, events from all subsystems will be
reported.
The subsystems to listen for uevents on.
To listen for only a specific DEVTYPE for a given SUBSYSTEM, use "subsystem/devtype". For example, to only listen for uevents where SUBSYSTEM is usb and DEVTYPE is usb_interface, use "usb/usb_interface".
If this property is %NULL, then no events will be reported. If it's the empty array, events from all subsystems will be reported.