ET8EK8_PRIV_MEM_SIZE
unsigned int length = ET8EK8_PRIV_MEM_SIZE;
#if PAGE_SIZE < ET8EK8_PRIV_MEM_SIZE
memcpy(buf, sensor->priv_mem, ET8EK8_PRIV_MEM_SIZE);
return ET8EK8_PRIV_MEM_SIZE;
u8 priv_mem[ET8EK8_PRIV_MEM_SIZE];