usb_gadget_vbus_disconnect(9) centos man page | unix.com

USB_GADGET_VBUS_DISC(9) 				      Kernel Mode Gadget API					   USB_GADGET_VBUS_DISC(9)

NAME
       usb_gadget_vbus_disconnect - notify controller about VBUS session end

SYNOPSIS
       int usb_gadget_vbus_disconnect(struct usb_gadget * gadget);

ARGUMENTS
       gadget
	   the device whose VBUS supply is being described

CONTEXT
       can sleep

DESCRIPTION
       This call is used by a driver for an external transceiver (or GPIO) that detects a VBUS power session ending. Common responses include
       reversing everything done in usb_gadget_vbus_connect.

       Returns zero on success, else negative errno.

AUTHOR
       David Brownell <dbrownell@users.sourceforge.net>
	   Author.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						   USB_GADGET_VBUS_DISC(9)