107 int dfu_detach(struct usb_dev_handle *udev, int intf)  in dfu_detach()  argument
109 	if (!udev)  in dfu_detach()
112 	return usb_control_msg(udev, USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE,  in dfu_detach()
116 int dfu_upload(struct usb_dev_handle *udev, int intf, int block, char *buffer, int size)  in dfu_upload()  argument
118 	if (!udev)  in dfu_upload()
121 	return usb_control_msg(udev, USB_TYPE_CLASS | USB_DIR_IN | USB_RECIP_INTERFACE,  in dfu_upload()
125 int dfu_download(struct usb_dev_handle *udev, int intf, int block, char *buffer, int size)  in dfu_download()  argument
127 	if (!udev)  in dfu_download()
130 	return usb_control_msg(udev, USB_TYPE_CLASS | USB_DIR_OUT | USB_RECIP_INTERFACE,  in dfu_download()
134 int dfu_get_status(struct usb_dev_handle *udev, int intf, struct dfu_status *status)  in dfu_get_status()  argument
136 	if (!udev || !status)  in dfu_get_status()
139 	return usb_control_msg(udev, USB_TYPE_CLASS | USB_DIR_IN | USB_RECIP_INTERFACE,  in dfu_get_status()
143 int dfu_clear_status(struct usb_dev_handle *udev, int intf)  in dfu_clear_status()  argument
145 	if (!udev)  in dfu_clear_status()
148 	return usb_control_msg(udev, USB_TYPE_CLASS | USB_DIR_OUT | USB_RECIP_INTERFACE,  in dfu_clear_status()
152 int dfu_get_state(struct usb_dev_handle *udev, int intf, uint8_t *state)  in dfu_get_state()  argument
154 	if (!udev || !state)  in dfu_get_state()
157 	return usb_control_msg(udev, USB_TYPE_CLASS | USB_DIR_IN | USB_RECIP_INTERFACE,  in dfu_get_state()
161 int dfu_abort(struct usb_dev_handle *udev, int intf)  in dfu_abort()  argument
163 	if (!udev)  in dfu_abort()
166 	return usb_control_msg(udev, USB_TYPE_CLASS | USB_DIR_OUT | USB_RECIP_INTERFACE,  in dfu_abort()