[media] DocBook: Fix ISDB-T Interleaving property

The DocBook documentation is incorrect: on ISDB-T, interleaving
time is always a power of 2. Fix it and provides a table showing
the actual interleaving length for each mode.

Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

diff --git a/Documentation/DocBook/media/dvb/dvbproperty.xml b/Documentation/DocBook/media/dvb/dvbproperty.xml
index 24c22ca..948ddaa 100644 (file)
--- a/Documentation/DocBook/media/dvb/dvbproperty.xml
+++ b/Documentation/DocBook/media/dvb/dvbproperty.xml
@@ -555,10 +555,46 @@ typedef enum fe_delivery_system {
                </section>
                <section id="DTV-ISDBT-LAYER-TIME-INTERLEAVING">
                        <title><constant>DTV_ISDBT_LAYER*_TIME_INTERLEAVING</constant></title>
-                       <para>Possible values: 0, 1, 2, 3, -1 (AUTO)</para>
-                       <para>Note: The real inter-leaver depth-names depend on the mode (fft-size); the values
-                               here are referring to what can be found in the TMCC-structure -
-                               independent of the mode.</para>
+                       <para>Valid values: 0, 1, 2, 4, -1 (AUTO)</para>
+                       <para>when DTV_ISDBT_SOUND_BROADCASTING is active, value 8 is also valid.</para>
+                       <para>Note: The real time interleaving length depends on the mode (fft-size). The values
+                               here are referring to what can be found in the TMCC-structure, as shown in the table below.</para>
+                       <informaltable id="isdbt-layer-interleaving-table">
+                               <tgroup cols="4" align="center">
+                                       <tbody>
+                                               <row>
+                                                       <entry>DTV_ISDBT_LAYER*_TIME_INTERLEAVING</entry>
+                                                       <entry>Mode 1 (2K FFT)</entry>
+                                                       <entry>Mode 2 (4K FFT)</entry>
+                                                       <entry>Mode 3 (8K FFT)</entry>
+                                               </row>
+                                               <row>
+                                                       <entry>0</entry>
+                                                       <entry>0</entry>
+                                                       <entry>0</entry>
+                                                       <entry>0</entry>
+                                               </row>
+                                               <row>
+                                                       <entry>1</entry>
+                                                       <entry>4</entry>
+                                                       <entry>2</entry>
+                                                       <entry>1</entry>
+                                               </row>
+                                               <row>
+                                                       <entry>2</entry>
+                                                       <entry>8</entry>
+                                                       <entry>4</entry>
+                                                       <entry>2</entry>
+                                               </row>
+                                               <row>
+                                                       <entry>4</entry>
+                                                       <entry>16</entry>
+                                                       <entry>8</entry>
+                                                       <entry>4</entry>
+                                               </row>
+                                       </tbody>
+                               </tgroup>
+                       </informaltable>
                </section>
                <section id="DTV-ATSCMH-FIC-VER">
                        <title><constant>DTV_ATSCMH_FIC_VER</constant></title>