SPCA50X_REG_USB    56 drivers/media/usb/gspca/spca501.c #define SPCA50X_REG_USB 0x2	/* spca505 501 */
SPCA50X_REG_USB    57 drivers/media/usb/gspca/spca505.c #define SPCA50X_REG_USB 0x02	/* spca505 501 */