Function at drivers/media/usb/gspca/jpeg.h, line 152 References: drivers/media/usb/gspca/conex.c, line 790 drivers/media/usb/gspca/jeilinj.c, line 383 drivers/media/usb/gspca/jeilinj.c, line 427 drivers/media/usb/gspca/jpeg.h, line 152 drivers/media/usb/gspca/mars.c, line 259 drivers/media/usb/gspca/sn9c20x.c, line 1560 drivers/media/usb/gspca/sn9c20x.c, line 2029 drivers/media/usb/gspca/sonixj.c, line 2352 drivers/media/usb/gspca/spca1528.c, line 262 drivers/media/usb/gspca/spca500.c, line 613 drivers/media/usb/gspca/stk014.c, line 255 drivers/media/usb/gspca/sunplus.c, line 727 drivers/media/usb/gspca/zc3xx.c, line 5802