I have v4l2 program...it gets compiled wothout error....but when i runned that 
i am getting the following error...shar...@sharief-desktop:~/Desktop/video 
drivers$ gcc vgrab5.c -Wall -o vgrab5
shar...@sharief-desktop:~/Desktop/video drivers$ ./vgrab5 /dev/video0 > t.pgm
ioctl (VIDIOC_S_FMT) failed, 22
VIDIOC_S_FMT: Invalid argument

i am using "creative" webcam....its usb port connected cam...dont know what to 
do..


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