There are a fair number of debug print statements in the V4L2 code. How
do I turn those on?
For instance, I'd like the following code to print
if ((vfd->debug & V4L2_DEBUG_IOCTL) &&
!(vfd->debug & V4L2_DEBUG_IOCTL_ARG)) {
v4l_print_ioctl(vfd->name, cmd);
printk(KERN_CONT "\n");
}
so I can trace the IOCTL calls.
Thanks,
David
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