[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, 5 deletions

diff --git a/Documentation/media/uapi/v4l/audio.rst b/Documentation/media/uapi/v4l/audio.rst
index 47f8334f071e..cd3057326de7 100644
--- a/Documentation/media/uapi/v4l/audio.rst
+++ b/Documentation/media/uapi/v4l/audio.rst
@@ -35,11 +35,12 @@ The struct :ref:`v4l2_audio <v4l2-audio>` returned by the
 
 The :ref:`VIDIOC_G_AUDIO <VIDIOC_G_AUDIO>` and
 :ref:`VIDIOC_G_AUDOUT <VIDIOC_G_AUDOUT>` ioctls report the current
-audio input and output, respectively. Note that, unlike
-:ref:`VIDIOC_G_INPUT <VIDIOC_G_INPUT>` and
-:ref:`VIDIOC_G_OUTPUT <VIDIOC_G_OUTPUT>` these ioctls return a
-structure as :ref:`VIDIOC_ENUMAUDIO` and
-:ref:`VIDIOC_ENUMAUDOUT <VIDIOC_ENUMAUDOUT>` do, not just an index.
+audio input and output, respectively.
+
+.. note:: Note that, unlike :ref:`VIDIOC_G_INPUT <VIDIOC_G_INPUT>` and
+   :ref:`VIDIOC_G_OUTPUT <VIDIOC_G_OUTPUT>` these ioctls return a
+   structure as :ref:`VIDIOC_ENUMAUDIO` and
+   :ref:`VIDIOC_ENUMAUDOUT <VIDIOC_ENUMAUDOUT>` do, not just an index.
 
 To select an audio input and change its properties applications call the
 :ref:`VIDIOC_S_AUDIO <VIDIOC_G_AUDIO>` ioctl. To select an audio