SFF_8472_TRANS_START
read_i2c(ii, SFF_8472_BASE, SFF_8472_TRANS_START, 1, &code);
read_i2c(ii, SFF_8472_BASE, SFF_8472_TRANS_START + 3,
read_i2c(&ii, SFF_8472_BASE, SFF_8472_TRANS_START, 8, buf);