OV8858_REG_SIZE_SHIFT
unsigned int len = (reg >> OV8858_REG_SIZE_SHIFT) & 3;
unsigned int len = (reg >> OV8858_REG_SIZE_SHIFT) & 3;
#define OV8858_REG_8BIT(n) ((1U << OV8858_REG_SIZE_SHIFT) | (n))
#define OV8858_REG_16BIT(n) ((2U << OV8858_REG_SIZE_SHIFT) | (n))
#define OV8858_REG_24BIT(n) ((3U << OV8858_REG_SIZE_SHIFT) | (n))