Unhappy Kernel for rear camera E971

Hello , I've an Optimug E971 ex Rogers , i've flashed various roms for F180L and E975 and the phone worked well but still the rear camera problem... NOT Working ! I know it's for incompatibility kernel of the camera ... 8MP for E971 and 13MP for others ...
Can i flash the kernel of original E971 ?
Any guide about or previous solved ?
Thanks for any help !!!