Atheros Card 14 channels

[Marcos Biscaysaqu - Thepacific.net]

Hi there.  
    Someone know about any patch or setting to enable 14 channels on the 
Atheros Chipset?
I tried to change hw.ath.countrycode= 0  to  hw.ath.countrycode=329 but 
with no luck.

thanks
Marcos Biscaysaqu