[alsa-devel] soc-of.h file

[dinesh]

I need to use function of_snd_soc_register_platform of soc-of.o i got
soc-of.c file from patch [PATCH 1/3] ALSA SoC: Add OpenFirmware helper
for matching bus and codec drivers with  but i am not able to find
soc-of.h file please provide this to me. 
Regards,
Dinesh Dua