USB_GADGET_DISCONNEC - Online Linux Manual PageSection : 9
Updated : June 2018
Source : Kernel Hackers Manual 2​.6​.
Note : Kernel Mode Gadget API

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NAMEusb_gadget_disconnect − software−controlled disconnect from USB host

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SYNOPSISint usb_gadget_disconnect(struct usb_gadget * gadget);

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ARGUMENTSgadget the peripheral being disconnected

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DESCRIPTIONDisables 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​.

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AUTHORDavid Brownell <​dbrownell@users.sourceforge.net​> Author.

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