UVC_STREAM_PTS   1451 drivers/media/usb/gspca/ov534.c #define UVC_STREAM_PTS	(1 << 2)
UVC_STREAM_PTS   1623 drivers/media/usb/gspca/ov534_9.c #define UVC_STREAM_PTS	(1 << 2)
UVC_STREAM_PTS    171 include/uapi/linux/usb/video.h #define UVC_STREAM_PTS					(1 << 2)