HelenOS sources

USB_FEATURE_ENDPOINT_HALT  461 uspace/drv/bus/usb/xhci/transfers.c 		    request->value == USB_FEATURE_ENDPOINT_HALT) {
USB_FEATURE_ENDPOINT_HALT  830 uspace/lib/usbdev/src/request.c 	    uint16_host2usb(USB_FEATURE_ENDPOINT_HALT),
USB_FEATURE_ENDPOINT_HALT  264 uspace/lib/usbhost/src/utility.c 		    (request->value == USB_FEATURE_ENDPOINT_HALT)) {