1*692fbb89SNeilBrownWhat: /sys/bus/platform/devices/*twl4030-usb/vbus 2*692fbb89SNeilBrownDescription: 3*692fbb89SNeilBrown Read-only status reporting if VBUS (approx 5V) 4*692fbb89SNeilBrown is being supplied by the USB bus. 5*692fbb89SNeilBrown 6*692fbb89SNeilBrown Possible values: "on", "off". 7*692fbb89SNeilBrown 8*692fbb89SNeilBrown Changes are notified via select/poll. 9