REG_HAECC4        184 drivers/media/i2c/ov7670.c #define REG_HAECC4	0xa7	/* Hist AEC/AGC control 4 */
REG_HAECC4        208 drivers/media/usb/stkwebcam/stk-sensor.c #define REG_HAECC4	0xa7	/* Hist AEC/AGC control 4 */