[Q] Android IA drivers

Good morning,

I tried to install Android IA 4.4.2 on my Lenovo X1 and to my great surprise it booted up. Everything works perfect except the sound. (Realtek HD Audio).
When I run "lsmod" in the terminal, I see hda_snd_codec_realtek is loaded, but the sound still doesn't work. I have a module compiled for 4.4.2 but when I would copy it to / lib / modules and firmware files I see that the files differ greatly in size (~ 300 kb vs my new 34 kb). I tried to load the module but the sound still don't work.
I tried to install 4.2.2 verion and the sound works but not wifi and ther performance is not as great as 4.4.2 so I'm back on 4.4.2.
It feels a bit frustrating when almost everything works perfect except sound.
Can i modprobe/lsmod the modules if I find the right one's or do I have to compile the kernel from scratch (if there is any sourcecode)....?

Help would be appreciated!

Thanks in advance

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