I2C_PAGE_SIZE
if (len > I2C_PAGE_SIZE)
if (offset < I2C_PAGE_SIZE && offset + len > I2C_PAGE_SIZE)
if (offset < I2C_PAGE_SIZE && offset + size > I2C_PAGE_SIZE)
size -= offset + size - I2C_PAGE_SIZE;
if (offset >= I2C_PAGE_SIZE) {
offset -= I2C_PAGE_SIZE;