[media] doc-rst: improve display of notes and warnings

There are several notes and warning mesages in the middle of
the media docbook. Use the ReST tags for that, as it makes
them visually better and hightlights them.

While here, modify a few ones to make them clearer.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

1 files changed, 6 insertions, 4 deletions

diff --git a/Documentation/media/uapi/v4l/vidioc-enum-fmt.rst b/Documentation/media/uapi/v4l/vidioc-enum-fmt.rst
index 257c624e27be..90996f69d6ae 100644
--- a/Documentation/media/uapi/v4l/vidioc-enum-fmt.rst
+++ b/Documentation/media/uapi/v4l/vidioc-enum-fmt.rst
@@ -40,8 +40,8 @@ fill the rest of the structure or return an ``EINVAL`` error code. All
 formats are enumerable by beginning at index zero and incrementing by
 one until ``EINVAL`` is returned.
 
-Note that after switching input or output the list of enumerated image
-formats may be different.
+.. note:: After switching input or output the list of enumerated image
+   formats may be different.
 
 
 .. _v4l2-fmtdesc:
@@ -111,8 +111,10 @@ formats may be different.
 	      #define v4l2_fourcc(a,b,c,d) (((__u32)(a)<<0)|((__u32)(b)<<8)|((__u32)(c)<<16)|((__u32)(d)<<24))
 
 	  Several image formats are already defined by this specification in
-	  :ref:`pixfmt`. Note these codes are not the same as those used
-	  in the Windows world.
+	  :ref:`pixfmt`.
+
+	  .. attention:: These codes are not the same as those used
+	     in the Windows world.
 
     -  .. row 7