Are you *positive* about that? There look to be routing things going on for example which might be system dependant.
They are the default settings for the our common hardware planning. If the developer wants to modify the settings to match the different hardware planning, they can consider to change the settings in the DSP firmware.
So if they do that the driver will not be compatible with their reconfigured firmware... this needs to work on all systems, including end user ones with different system integrations.
The DSP of ALC5514 is a programmable DSP, and it also can control the all setting domain including routing path. So they can modify the different setting on the same register address in DSP firmware. The default settings also can be reference for the development of user's DSP firmware.