Man page 9 : usb_function_activate

usb_function_activate - allow function and gadget enumeration

int usb_function_activate(struct usb_function *  function );

function
    function on which usb_function_activate was called

Reverses effect of usb_function_deactivate. If no more functions are delaying their activation, the gadget driver will respond to host enumeration procedures.

Returns zero on success, else negative errno.

David Brownell <>
    Author.