REG_AECH           47 drivers/media/i2c/ov6650.c #define REG_AECH		0x10
REG_AECH           65 drivers/media/i2c/ov7670.c #define REG_AECH	0x10	/* More bits of AEC value */
REG_AECH           67 drivers/media/i2c/ov9650.c #define REG_AECH		0x10	/* Exposure value, AEC[9:2] */
REG_AECH           97 drivers/media/usb/stkwebcam/stk-sensor.c #define REG_AECH	0x10	/* More bits of AEC value */