gt@gt-desktop:~/alsa-driver-1.0.14$ sudo patch -p0 < alc850-fix.patch 
can't find file to patch at input line 4
Perhaps you used the wrong -p or --strip option?
The text leading up to this was:
--------------------------
|diff -urN alsa-driver-1.0.14.orig/alsa-kernel/pci/ac97/ac97_patch.c alsa-driver-1.0.14/alsa-kernel/pci/ac97/ac97_patch.c
|--- alsa-driver-1.0.14.orig/alsa-kernel/pci/ac97/ac97_patch.c  2007-06-04 09:28:53.000000000 +0200
|+++ alsa-driver-1.0.14/alsa-kernel/pci/ac97/ac97_patch.c       2007-08-13 17:48:43.000000000 +0200
--------------------------