docs-rst: allow generating some LaTeX pages in landscape

Portrait is too small for some tables used at the media docs.
So, allow documents to tell Sphinx to generate some pages
in landscape by using:

.. raw:: latex

    \begin{landscape}

<some stuff>

.. raw:: latex

    \end{landscape}

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>

diff --git a/Documentation/conf.py b/Documentation/conf.py
index 1c6d9da5d1b5355ce9218b4b440535c75e006c3d..38b240073336db8fab6d0d92c2e41923ad5b4c2e 100644 (file)
--- a/Documentation/conf.py
+++ b/Documentation/conf.py
@@ -246,16 +246,19 @@ htmlhelp_basename = 'TheLinuxKerneldoc'
 
 latex_elements = {
 # The paper size ('letterpaper' or 'a4paper').
-#'papersize': 'letterpaper',
+'papersize': 'a4paper',
 
 # The font size ('10pt', '11pt' or '12pt').
-#'pointsize': '10pt',
-
-# Additional stuff for the LaTeX preamble.
-#'preamble': '',
+'pointsize': '10pt',
 
 # Latex figure (float) alignment
 #'figure_align': 'htbp',
+
+# Additional stuff for the LaTeX preamble.
+    'preamble': '''
+        % Allow generate some pages in landscape
+        \\usepackage{lscape}
+     '''
 }
 
 # Grouping the document tree into LaTeX files. List of tuples