sound/pci/ctxfi/ctdaio.c: duplicate function removal question

[Ethan Carter Edwards <ethan@xxxxxxxxxxxxxxxxx>]

Hello all,

First of all, happy holidays. 

I was browsing the ctdaio.c code and I noticed a lot of 
duplicate code and functions, specifically:

dao_set_{right,left}_input and
dao_clear_{right,left}_input functions.

The functions are pretty much identical. They only 
differ in the side (left, right). What was the original
idea in doing this? Wouldn't it make more since to just
have an ENUM (left, right) as an argument that would 
determine the side and just reduce the function to 
dao_set_input and dao_clear_input. 

I would be more than happy to send in a patch doing
these changes, but before I did I wanted to ask if
there was a reason the code was written in this way.
I am pretty new to kernel development.

Thanks,
Ethan
--
Ethan Carter Edwards
CompTIA A+, Security+, and ISC2 (CC)
Ham Radio: AE4CE
Website: https://ethancedwards.com