Enumerator at include/uapi/linux/usb/ch9.h, line 1163 References: drivers/media/usb/uvc/uvc_video.c, line 1768 drivers/net/wireless/mediatek/mt76/usb.c, line 343 drivers/usb/core/devices.c, line 474 drivers/usb/core/hcd.c, line 2885 drivers/usb/core/hub.c, line 2916 drivers/usb/core/hub.c, line 4730 drivers/usb/core/hub.c, line 4750 drivers/usb/core/sysfs.c, line 163 drivers/usb/core/urb.c, line 482 drivers/usb/core/urb.c, line 542 drivers/usb/core/urb.c, line 561 drivers/usb/core/urb.c, line 588 drivers/usb/host/xhci-mem.c, line 1131 drivers/usb/host/xhci.c, line 2312 drivers/usb/host/xhci.c, line 2676 drivers/usb/host/xhci.c, line 2736 include/uapi/linux/usb/ch9.h, line 1163 sound/usb/card.c, line 604 sound/usb/endpoint.c, line 1061