Failed to add drivers MT9T031 in the OMAPL138？

I have done follow action to add the MT9T031 Driver to OMAPL138.my software is DVSDK4.0

1) Add the Config parement CONFIG_UI_DA850_UI_CAMERA=y;

2) in the kernel menuconfig I add the MT9T031options

But after I load the compilled kernel to the board it printf follow sentence :

The  log is follows:

da850evm_enable_pca9543a

--------------------the pca9543a i2c driver status is -6 -------------

vpif_capture:  --------------the channel id is 1-----------------------

vpif_capture: could not setupinput for mt9t031

vpif_capture: probe of vpif_capture failed with error -14

Could you explain why we cannot add the mt9t031 diriver succeed.and the attach is the complete log txt.(Please visit the site to view this file)

    Thanks you very much .

Ouyang.