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[mystic the beef]

i need some help getting the drivers for this device to work. when i try to run make in the terminal i get this

fatal error: linux/video_decoder.h: No such file or directory

i looked it up and i'm pretty sure it means it can't find video_decoder.h in my kernel so i looked it up and found the code on the web but the terminal isn't telling me where in my file system it is looking for the decoder so i dont know where to put the code for the decoder and i'm also not sure if thats all i need to do or not
can someone help please?