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usb_gadget_disconnect
Langue: en
Version: June 2009 (debian - 07/07/09)
Section: 9 (Appels noyau Linux)
NAME
usb_gadget_disconnect - software-controlled disconnect from USB hostSYNOPSIS
- 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
Contenus ©2006-2024 Benjamin Poulain
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