[media] DocBook: document V4L2_CTRL_TYPE_BITMASK
authorHans Verkuil <hans.verkuil@cisco.com>
Mon, 23 May 2011 10:36:55 +0000 (07:36 -0300)
committerMauro Carvalho Chehab <mchehab@redhat.com>
Wed, 27 Jul 2011 20:55:39 +0000 (17:55 -0300)
[mchehab@redhat.com: Fix a merge conflict and make compat.xml coherent with v4l2.xml]
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Sakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Documentation/DocBook/media/v4l/compat.xml
Documentation/DocBook/media/v4l/v4l2.xml
Documentation/DocBook/media/v4l/vidioc-queryctrl.xml

index b010ac6bfd2cbb016704c25258b47196643ec7e5..d7c015e8df81ec89bf8590ae137f1afaaefaf99a 100644 (file)
@@ -2360,6 +2360,16 @@ that used it. It was originally scheduled for removal in 2.6.35.
         </listitem>
       </orderedlist>
     </section>
+    <section>
+      <title>V4L2 in Linux 3.1</title>
+      <orderedlist>
+        <listitem>
+         <para>VIDIOC_QUERYCAP now returns a per-subsystem version instead of a per-driver one.</para>
+         <para>Standardize an error code for invalid ioctl.</para>
+          <para>Added V4L2_CTRL_TYPE_BITMASK.</para>
+        </listitem>
+      </orderedlist>
+    </section>
 
     <section id="other">
       <title>Relation of V4L2 to other Linux multimedia APIs</title>
index 43386a6aef76d6946f8dc25032a41399c93b4dd3..0d05e8747c12e24da9a2a4cebcdce4826e0858a4 100644 (file)
@@ -87,7 +87,7 @@ Remote Controller chapter.</contrib>
       </author>
 
       <author>
-       <firstname>Pawel</firstname>
+       <firstname>Pawel</firstname>
        <surname>Osciak</surname>
        <contrib>Designed and documented the multi-planar API.</contrib>
        <affiliation>
@@ -130,9 +130,10 @@ applications. -->
       <revision>
        <revnumber>3.1</revnumber>
        <date>2011-06-27</date>
-       <authorinitials>mcc, po</authorinitials>
-       <revremark>Documented that VIDIOC_QUERYCAP now returns a per-subsystem version instead of a per-driver one.</revremark>
-       <revremark>Standardize an error code for invalid ioctl.</revremark>
+       <authorinitials>mcc, po, hv</authorinitials>
+       <revremark>Documented that VIDIOC_QUERYCAP now returns a per-subsystem version instead of a per-driver one.
+                  Standardize an error code for invalid ioctl.
+                  Added V4L2_CTRL_TYPE_BITMASK.</revremark>
       </revision>
 
       <revision>
@@ -409,7 +410,7 @@ and discussions on the V4L mailing list.</revremark>
 </partinfo>
 
 <title>Video for Linux Two API Specification</title>
- <subtitle>Revision 2.6.39</subtitle>
+ <subtitle>Revision 3.1</subtitle>
 
   <chapter id="common">
     &sub-common;
index 0d5e8283cf32f9d8155d236430150ca5b6ea0380..677ea646c29fc71c6d8b9970cbb230d1784a46d1 100644 (file)
@@ -156,7 +156,8 @@ signed value.</entry>
            <entry>Maximum value, inclusive. This field gives an upper
 bound for <constant>V4L2_CTRL_TYPE_INTEGER</constant> controls and the
 highest valid index for <constant>V4L2_CTRL_TYPE_MENU</constant>
-controls.
+controls. For <constant>V4L2_CTRL_TYPE_BITMASK</constant> controls it is the
+set of usable bits.
 For <constant>V4L2_CTRL_TYPE_STRING</constant> controls the maximum value
 gives the maximum length of the string. This length <emphasis>does not include the terminating
 zero</emphasis>. It may not be valid for any other type of control, including
@@ -289,6 +290,15 @@ values which are actually different on the hardware.</entry>
            <entry>The control has a menu of N choices. The names of
 the menu items can be enumerated with the
 <constant>VIDIOC_QUERYMENU</constant> ioctl.</entry>
+         </row>
+         <row>
+           <entry><constant>V4L2_CTRL_TYPE_BITMASK</constant></entry>
+           <entry>0</entry>
+           <entry>n/a</entry>
+           <entry>any</entry>
+           <entry>A bitmask field. The maximum value is the set of bits that can
+be used, all other bits are to be 0. The maximum value is interpreted as a __u32,
+allowing the use of bit 31 in the bitmask.</entry>
          </row>
          <row>
            <entry><constant>V4L2_CTRL_TYPE_BUTTON</constant></entry>