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Beagleboard-xM Android 4.0.3 Ti devkit 3.0.0 , Usb web camera unable to open or even understand

working a project with android 4.0.3 and i'm new to the driver porting ,etc 

i was looking for connecting a web camera on one of the usb ports and then write a augmented reality app to use the camera , i'm stuck with no camera app running .. did i config the camera in kernel correctly , any steps i should learn of .. pls help me with v4l and btw the led on the camera does go on and no o/p ..please help