1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/media/video/v4l2-dev.c b/drivers/media/video/v4l2-dev.c
index 556615fe93de..6f36006aecda 100644
--- a/drivers/media/video/v4l2-dev.c
+++ b/drivers/media/video/v4l2-dev.c
@@ -222,11 +222,13 @@ int video_register_device(struct video_device *vfd, int type, int nr)
 EXPORT_SYMBOL(video_register_device);
 
 /**
- *      video_register_device - register video4linux devices
+ *      video_register_device_index - register video4linux devices
  *      @vfd:  video device structure we want to register
  *      @type: type of device to register
  *      @nr:   which device number (0 == /dev/video0, 1 == /dev/video1, ...
  *             -1 == first free)
+ *      @index: stream number based on parent device;
+ *              -1 if auto assign, requested number otherwise
  *
  *      The registration code assigns minor numbers based on the type
  *      requested. -ENFILE is returned in all the device slots for this