diff options
Diffstat (limited to 'drivers/media/v4l2-core/v4l2-ioctl.c')
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-ioctl.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c index 68e6b5e912ff..707aef705a47 100644 --- a/drivers/media/v4l2-core/v4l2-ioctl.c +++ b/drivers/media/v4l2-core/v4l2-ioctl.c @@ -28,6 +28,9 @@ #include <media/v4l2-device.h> #include <media/videobuf2-core.h> +#define CREATE_TRACE_POINTS +#include <trace/events/v4l2.h> + /* Zero out the end of the struct pointed to by p. Everything after, but * not including, the specified field is cleared. */ #define CLEAR_AFTER_FIELD(p, field) \ @@ -2338,6 +2341,12 @@ video_usercopy(struct file *file, unsigned int cmd, unsigned long arg, err = func(file, cmd, parg); if (err == -ENOIOCTLCMD) err = -ENOTTY; + if (err == 0) { + if (cmd == VIDIOC_DQBUF) + trace_v4l2_dqbuf(video_devdata(file)->minor, parg); + else if (cmd == VIDIOC_QBUF) + trace_v4l2_qbuf(video_devdata(file)->minor, parg); + } if (has_array_args) { *kernel_ptr = user_ptr; |