Question Volume rocker wake on omar's ROM ??

my power button is down , now i use camera button to wake my rarz i , i tried to mod android.policy.jar and generic.kl but volume button wake the phone does not work , whenever i restart my phone i can wake my phone with volume button one time and after that i can not do the same again , anyone can help me please how to use volume key to wake the phone ?
thank you and sorry for my bad English