Kernel  |  4.4

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C++程序  |  12行  |  343 B
#include <media/v4l2-common.h>
#include <media/v4l2-fh.h>
#include <media/videobuf2-v4l2.h>

#define CREATE_TRACE_POINTS
#include <trace/events/v4l2.h>

EXPORT_TRACEPOINT_SYMBOL_GPL(vb2_v4l2_buf_done);
EXPORT_TRACEPOINT_SYMBOL_GPL(vb2_v4l2_buf_queue);
EXPORT_TRACEPOINT_SYMBOL_GPL(vb2_v4l2_dqbuf);
EXPORT_TRACEPOINT_SYMBOL_GPL(vb2_v4l2_qbuf);