lm8333_read_block
lm8333_read_block(lm8333, LM8333_FIFO_READ,
ret = lm8333_read_block(lm8333, LM8333_FIFO_READ,
extern int lm8333_read_block(struct lm8333 *lm8333, u8 cmd, u8 len, u8 *buf);