USB_GADGET_DISCONNEC(9) Kernel Mode Gadget API USB_GADGET_DISCONNEC(9)
NAME
usb_gadget_disconnect - software-controlled disconnect from USB host
SYNOPSIS
int usb_gadget_disconnect(struct usb_gadget * gadget);
ARGUMENTS
gadget
the peripheral being disconnected
DESCRIPTION
Disables the D+ (or potentially D-) pullup, which the host may see as a disconnect (when a VBUS session is active). Not all systems support
software pullup controls.
This routine may be used during the gadget driver bind call to prevent the peripheral from ever being visible to the USB host, unless later
usb_gadget_connect is called. For example, user mode components may need to be activated before the system can talk to hosts.
Returns zero on success, else negative errno.
AUTHOR
David Brownell <dbrownell@users.sourceforge.net>
Author.
COPYRIGHT
Kernel Hackers Manual 2.6. July 2010 USB_GADGET_DISCONNEC(9)
