Structure at include/linux/usb/composite.h, line 385 References: drivers/usb/gadget/composite.c, line 1078 drivers/usb/gadget/composite.c, line 2099 drivers/usb/gadget/composite.c, line 2220 drivers/usb/gadget/composite.c, line 2351 drivers/usb/gadget/composite.c, line 2379 drivers/usb/gadget/configfs.c, line 59 drivers/usb/gadget/configfs.c, line 1244 drivers/usb/gadget/configfs.c, line 1282 drivers/usb/gadget/legacy/audio.c, line 349 drivers/usb/gadget/legacy/gmidi.c, line 176 drivers/usb/gadget/legacy/hid.c, line 254 drivers/usb/gadget/legacy/ncm.c, line 196 drivers/usb/gadget/legacy/printer.c, line 213 drivers/usb/gadget/legacy/zero.c, line 414 include/linux/usb/composite.h, line 385 include/linux/usb/composite.h, line 403 include/linux/usb/composite.h, line 404 include/linux/usb/composite.h, line 421 include/linux/usb/composite.h, line 427 include/linux/usb/composite.h, line 430 include/linux/usb/composite.h, line 494