IOCNR_HP_SET_CHANNEL   84 drivers/usb/class/usblp.c #define LPIOC_HP_SET_CHANNEL _IOC(_IOC_WRITE, 'P', IOCNR_HP_SET_CHANNEL, 0)
IOCNR_HP_SET_CHANNEL  584 drivers/usb/class/usblp.c 		case IOCNR_HP_SET_CHANNEL: