Why don't you just post the code that you are using rather than having us try to pick out the appropriate version out of a pile of inappropriate versions. That way we will be sure that we are talking about the same code.
Did you fix this part? Did you even identify the problem? You don't need new functions, just fix the existing ones.
The 8-bit routines to send data and commands do not properly implement the timing diagram in section 10.3 of the datasheet.
Don