sp2_write_i2c
ret = sp2_write_i2c(s, 0x00, &store, 1);
ret = sp2_write_i2c(s, 0x00, &buf, 1);
ret = sp2_write_i2c(s, 0x00, &buf, 1);
return sp2_write_i2c(s, 0, &buf, 1);
ret = sp2_write_i2c(s, 0x00, &cimax_init[0], 34);
ret = sp2_write_i2c(s, 0x1f, &buf, 1);
ret = sp2_write_i2c(s, 0x18, &buf, 1);