V4L/DVB: DocBook/media: Add LIRC DocBook to media.html

Add LIRC interface into the media.html DocBook, fixing several
small XML errors at the original spec.
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Documentation/DocBook/media-entities.tmpl

@@ -218,6 +218,7 @@
 <!ENTITY sub-dev-teletext SYSTEM "v4l/dev-teletext.xml">
 <!ENTITY sub-driver SYSTEM "v4l/driver.xml">
 <!ENTITY sub-libv4l SYSTEM "v4l/libv4l.xml">
+<!ENTITY sub-lirc_device_interface SYSTEM "v4l/lirc_device_interface.xml">
 <!ENTITY sub-remote_controllers SYSTEM "v4l/remote_controllers.xml">
 <!ENTITY sub-fdl-appendix SYSTEM "v4l/fdl-appendix.xml">
 <!ENTITY sub-close SYSTEM "v4l/func-close.xml">

Documentation/DocBook/media.tmpl

@@ -61,7 +61,7 @@ Foundation. A copy of the license is included in the chapter entitled
 		in fact it covers several different video standards including
 		DVB-T, DVB-S, DVB-C and ATSC. The API is currently being updated
 		to documment support also for DVB-S2, ISDB-T and ISDB-S.</para>
-	<para>The third part covers other API's used by all media infrastructure devices</para>
+	<para>The third part covers Remote Controller API</para>
 	<para>For additional information and for the latest development code,
 		see: <ulink url="http://linuxtv.org">http://linuxtv.org</ulink>.</para>
 	<para>For discussing improvements, reporting troubles, sending new drivers, etc, please mail to: <ulink url="http://vger.kernel.org/vger-lists.html#linux-media">Linux Media Mailing List (LMML).</ulink>.</para>
@@ -101,7 +101,7 @@ Foundation. A copy of the license is included in the chapter entitled
 </revhistory>
 </partinfo>
 
-<title>Other API's used by media infrastructure drivers</title>
+<title>Remote Controller API</title>
 <chapter id="remote_controllers">
 &sub-remote_controllers;
 </chapter>

Documentation/DocBook/v4l/lirc_device_interface.xml

+<section id="lirc_dev">
 <title>LIRC Device Interface</title>
 
 
@@ -17,15 +18,13 @@ and ioctl.</para>
     <para>lirc_dev: IR Remote Control driver registered, major 248</para>
     <para>rc rc0: lirc_dev: driver ir-lirc-codec (mceusb) registered at minor = 0</para>
   </blockquote>
-<para>
 
 <para>What you should see for a chardev:</para>
   <blockquote>
     <para>$ ls -l /dev/lirc*</para>
     <para>crw-rw---- 1 root root 248, 0 Jul  2 22:20 /dev/lirc0</para>
   </blockquote>
-</para>
-
+</section>
 
 <section id="lirc_read">
 <title>LIRC read fop</title>
@@ -33,12 +32,12 @@ and ioctl.</para>
 <para>The lircd userspace daemon reads raw IR data from the LIRC chardev. The
 exact format of the data depends on what modes a driver supports, and what
 mode has been selected. lircd obtains supported modes and sets the active mode
-via the ioctl interface, detailed at <xref linkend="lirc_ioctl">. The generally
+via the ioctl interface, detailed at <xref linkend="lirc_ioctl"/>. The generally
 preferred mode is LIRC_MODE_MODE2, in which packets containing an int value
 describing an IR signal are read from the chardev.</para>
 
-<para>See also <ulink url="http://www.lirc.org/html/technical.html">http://www.lirc.org/html/technical.html</> for more info.</para>
-
+<para>See also <ulink url="http://www.lirc.org/html/technical.html">http://www.lirc.org/html/technical.html</ulink> for more info.</para>
+</section>
 
 <section id="lirc_write">
 <title>LIRC write fop</title>
@@ -48,10 +47,10 @@ values. Pulses and spaces are only marked implicitly by their position. The
 data must start and end with a pulse, therefore, the data must always include
 an unevent number of samples. The write function must block until the data has
 been transmitted by the hardware.</para>
-
+</section>
 
 <section id="lirc_ioctl">
-<title> LIRC ioctl fop</title>
+<title>LIRC ioctl fop</title>
 
 <para>The LIRC device's ioctl definition is bound by the ioctl function
 definition of struct file_operations, leaving us with an unsigned int
@@ -69,167 +68,168 @@ on working with the default settings initially.</para>
   <varlistentry>
     <term>LIRC_GET_FEATURES</term>
     <listitem>
-      <to>Obviously, get the underlying hardware device's features. If a driver
+      <para>Obviously, get the underlying hardware device's features. If a driver
       does not announce support of certain features, calling of the corresponding
-      ioctls is undefined.</to>
+      ioctls is undefined.</para>
     </listitem>
   </varlistentry>
   <varlistentry>
     <term>LIRC_GET_SEND_MODE</term>
     <listitem>
-      <to>Get supported transmit mode. Only LIRC_MODE_PULSE is supported by lircd.</to>
+      <para>Get supported transmit mode. Only LIRC_MODE_PULSE is supported by lircd.</para>
     </listitem>
   </varlistentry>
   <varlistentry>
     <term>LIRC_GET_REC_MODE</term>
     <listitem>
-      <to>Get supported receive modes. Only LIRC_MODE_MODE2 and LIRC_MODE_LIRCCODE
-      are supported by lircd.</to>
+      <para>Get supported receive modes. Only LIRC_MODE_MODE2 and LIRC_MODE_LIRCCODE
+      are supported by lircd.</para>
     </listitem>
   </varlistentry>
   <varlistentry>
     <term>LIRC_GET_SEND_CARRIER</term>
     <listitem>
-      <to>Get carrier frequency (in Hz) currently used for transmit.</to>
+      <para>Get carrier frequency (in Hz) currently used for transmit.</para>
     </listitem>
   </varlistentry>
   <varlistentry>
     <term>LIRC_GET_REC_CARRIER</term>
     <listitem>
-      <to>Get carrier frequency (in Hz) currently used for IR reception.</to>
+      <para>Get carrier frequency (in Hz) currently used for IR reception.</para>
     </listitem>
   </varlistentry>
   <varlistentry>
     <term>LIRC_{G,S}ET_{SEND,REC}_DUTY_CYCLE</term>
     <listitem>
-      <to>Get/set the duty cycle (from 0 to 100) of the carrier signal. Currently,
+      <para>Get/set the duty cycle (from 0 to 100) of the carrier signal. Currently,
       no special meaning is defined for 0 or 100, but this could be used to switch
-      off carrier generation in the future, so these values should be reserved.</to>
+      off carrier generation in the future, so these values should be reserved.</para>
     </listitem>
   </varlistentry>
   <varlistentry>
     <term>LIRC_GET_REC_RESOLUTION</term>
     <listitem>
-      <to>Some receiver have maximum resolution which is defined by internal
+      <para>Some receiver have maximum resolution which is defined by internal
       sample rate or data format limitations. E.g. it's common that signals can
       only be reported in 50 microsecond steps. This integer value is used by
       lircd to automatically adjust the aeps tolerance value in the lircd
-      config file.</to>
+      config file.</para>
     </listitem>
   </varlistentry>
   <varlistentry>
     <term>LIRC_GET_M{IN,AX}_TIMEOUT</term>
     <listitem>
-      <to>Some devices have internal timers that can be used to detect when
+      <para>Some devices have internal timers that can be used to detect when
       there's no IR activity for a long time. This can help lircd in detecting
       that a IR signal is finished and can speed up the decoding process.
       Returns an integer value with the minimum/maximum timeout that can be
       set. Some devices have a fixed timeout, in that case both ioctls will
-      return the same value even though the timeout cannot be changed.</to>
+      return the same value even though the timeout cannot be changed.</para>
     </listitem>
   </varlistentry>
   <varlistentry>
     <term>LIRC_GET_M{IN,AX}_FILTER_{PULSE,SPACE}</term>
     <listitem>
-      <to>Some devices are able to filter out spikes in the incoming signal
+      <para>Some devices are able to filter out spikes in the incoming signal
       using given filter rules. These ioctls return the hardware capabilities
       that describe the bounds of the possible filters. Filter settings depend
       on the IR protocols that are expected. lircd derives the settings from
-      all protocols definitions found in its config file.</to>
+      all protocols definitions found in its config file.</para>
     </listitem>
   </varlistentry>
   <varlistentry>
     <term>LIRC_GET_LENGTH</term>
     <listitem>
-      <to>Retrieves the code length in bits (only for LIRC_MODE_LIRCCODE).
+      <para>Retrieves the code length in bits (only for LIRC_MODE_LIRCCODE).
       Reads on the device must be done in blocks matching the bit count.
-      The bit could should be rounded up so that it matches full bytes.</to>
+      The bit could should be rounded up so that it matches full bytes.</para>
     </listitem>
   </varlistentry>
   <varlistentry>
     <term>LIRC_SET_{SEND,REC}_MODE</term>
     <listitem>
-      <to>Set send/receive mode. Largely obsolete for send, as only
-      LIRC_MODE_PULSE is supported.</to>
+      <para>Set send/receive mode. Largely obsolete for send, as only
+      LIRC_MODE_PULSE is supported.</para>
     </listitem>
   </varlistentry>
   <varlistentry>
     <term>LIRC_SET_{SEND,REC}_CARRIER</term>
     <listitem>
-      <to>Set send/receive carrier (in Hz).</to>
+      <para>Set send/receive carrier (in Hz).</para>
     </listitem>
   </varlistentry>
   <varlistentry>
     <term>LIRC_SET_TRANSMITTER_MASK</term>
     <listitem>
-      <to>This enables the given set of transmitters. The first transmitter
+      <para>This enables the given set of transmitters. The first transmitter
       is encoded by the least significant bit, etc. When an invalid bit mask
       is given, i.e. a bit is set, even though the device does not have so many
       transitters, then this ioctl returns the number of available transitters
-      and does nothing otherwise.</to>
+      and does nothing otherwise.</para>
     </listitem>
   </varlistentry>
   <varlistentry>
     <term>LIRC_SET_REC_TIMEOUT</term>
     <listitem>
-      <to>Sets the integer value for IR inactivity timeout (cf.
+      <para>Sets the integer value for IR inactivity timeout (cf.
       LIRC_GET_MIN_TIMEOUT and LIRC_GET_MAX_TIMEOUT). A value of 0 (if
       supported by the hardware) disables all hardware timeouts and data should
       be reported as soon as possible. If the exact value cannot be set, then
-      the next possible value _greater_ than the given value should be set.</to>
+      the next possible value _greater_ than the given value should be set.</para>
     </listitem>
   </varlistentry>
   <varlistentry>
     <term>LIRC_SET_REC_TIMEOUT_REPORTS</term>
     <listitem>
-      <to>Enable (1) or disable (0) timeout reports in LIRC_MODE_MODE2. By
-      default, timeout reports should be turned off.</to>
+      <para>Enable (1) or disable (0) timeout reports in LIRC_MODE_MODE2. By
+      default, timeout reports should be turned off.</para>
     </listitem>
   </varlistentry>
   <varlistentry>
     <term>LIRC_SET_REC_FILTER_{,PULSE,SPACE}</term>
     <listitem>
-      <to>Pulses/spaces shorter than this are filtered out by hardware. If
+      <para>Pulses/spaces shorter than this are filtered out by hardware. If
       filters cannot be set independently for pulse/space, the corresponding
-      ioctls must return an error and LIRC_SET_REC_FILTER shall be used instead.</to>
+      ioctls must return an error and LIRC_SET_REC_FILTER shall be used instead.</para>
     </listitem>
   </varlistentry>
   <varlistentry>
     <term>LIRC_SET_MEASURE_CARRIER_MODE</term>
     <listitem>
-      <to>Enable (1)/disable (0) measure mode. If enabled, from the next key
+      <para>Enable (1)/disable (0) measure mode. If enabled, from the next key
       press on, the driver will send LIRC_MODE2_FREQUENCY packets. By default
-      this should be turned off.</to>
+      this should be turned off.</para>
     </listitem>
   </varlistentry>
   <varlistentry>
     <term>LIRC_SET_REC_{DUTY_CYCLE,CARRIER}_RANGE</term>
     <listitem>
-      <to>To set a range use LIRC_SET_REC_DUTY_CYCLE_RANGE/LIRC_SET_REC_CARRIER_RANGE
+      <para>To set a range use LIRC_SET_REC_DUTY_CYCLE_RANGE/LIRC_SET_REC_CARRIER_RANGE
       with the lower bound first and later LIRC_SET_REC_DUTY_CYCLE/LIRC_SET_REC_CARRIER
-      with the upper bound.</to>
+      with the upper bound.</para>
     </listitem>
   </varlistentry>
   <varlistentry>
     <term>LIRC_NOTIFY_DECODE</term>
     <listitem>
-      <to>This ioctl is called by lircd whenever a successful decoding of an
+      <para>This ioctl is called by lircd whenever a successful decoding of an
       incoming IR signal could be done. This can be used by supporting hardware
-      to give visual feedback to the user e.g. by flashing a LED.</to>
+      to give visual feedback to the user e.g. by flashing a LED.</para>
     </listitem>
   </varlistentry>
   <varlistentry>
     <term>LIRC_SETUP_{START,END}</term>
     <listitem>
-      <to>Setting of several driver parameters can be optimized by encapsulating
+      <para>Setting of several driver parameters can be optimized by encapsulating
       the according ioctl calls with LIRC_SETUP_START/LIRC_SETUP_END. When a
       driver receives a LIRC_SETUP_START ioctl it can choose to not commit
       further setting changes to the hardware until a LIRC_SETUP_END is received.
       But this is open to the driver implementation and every driver must also
       handle parameter changes which are not encapsulated by LIRC_SETUP_START
-      and LIRC_SETUP_END. Drivers can also choose to ignore these ioctls.</to>
+      and LIRC_SETUP_END. Drivers can also choose to ignore these ioctls.</para>
     </listitem>
   </varlistentry>
 </variablelist>
 
 </section>
+</section>

Documentation/DocBook/v4l/remote_controllers.xml

@@ -173,3 +173,5 @@ keymapping.</para>
 <para>This program demonstrates how to replace the keymap tables.</para>
 &sub-keytable-c;
 </section>
+
+&sub-lirc_device_interface;