diff options
Diffstat (limited to 'Documentation/DocBook/v4l/compat.xml')
-rw-r--r-- | Documentation/DocBook/v4l/compat.xml | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/Documentation/DocBook/v4l/compat.xml b/Documentation/DocBook/v4l/compat.xml index 54447f0d0784..c9ce61d981f5 100644 --- a/Documentation/DocBook/v4l/compat.xml +++ b/Documentation/DocBook/v4l/compat.xml | |||
@@ -21,11 +21,15 @@ API.</para> | |||
21 | <title>Opening and Closing Devices</title> | 21 | <title>Opening and Closing Devices</title> |
22 | 22 | ||
23 | <para>For compatibility reasons the character device file names | 23 | <para>For compatibility reasons the character device file names |
24 | recommended for V4L2 video capture, overlay, radio, teletext and raw | 24 | recommended for V4L2 video capture, overlay, radio and raw |
25 | vbi capture devices did not change from those used by V4L. They are | 25 | vbi capture devices did not change from those used by V4L. They are |
26 | listed in <xref linkend="devices" /> and below in <xref | 26 | listed in <xref linkend="devices" /> and below in <xref |
27 | linkend="v4l-dev" />.</para> | 27 | linkend="v4l-dev" />.</para> |
28 | 28 | ||
29 | <para>The teletext devices (minor range 192-223) have been removed in | ||
30 | V4L2 and no longer exist. There is no hardware available anymore for handling | ||
31 | pure teletext. Instead raw or sliced VBI is used.</para> | ||
32 | |||
29 | <para>The V4L <filename>videodev</filename> module automatically | 33 | <para>The V4L <filename>videodev</filename> module automatically |
30 | assigns minor numbers to drivers in load order, depending on the | 34 | assigns minor numbers to drivers in load order, depending on the |
31 | registered device type. We recommend that V4L2 drivers by default | 35 | registered device type. We recommend that V4L2 drivers by default |
@@ -66,13 +70,6 @@ not compatible with V4L or V4L2.</para> </footnote>, | |||
66 | <entry>64-127</entry> | 70 | <entry>64-127</entry> |
67 | </row> | 71 | </row> |
68 | <row> | 72 | <row> |
69 | <entry>Teletext decoder</entry> | ||
70 | <entry><para><filename>/dev/vtx</filename>, | ||
71 | <filename>/dev/vtx0</filename> to | ||
72 | <filename>/dev/vtx31</filename></para></entry> | ||
73 | <entry>192-223</entry> | ||
74 | </row> | ||
75 | <row> | ||
76 | <entry>Raw VBI capture</entry> | 73 | <entry>Raw VBI capture</entry> |
77 | <entry><para><filename>/dev/vbi</filename>, | 74 | <entry><para><filename>/dev/vbi</filename>, |
78 | <filename>/dev/vbi0</filename> to | 75 | <filename>/dev/vbi0</filename> to |
@@ -2345,6 +2342,17 @@ more information.</para> | |||
2345 | </listitem> | 2342 | </listitem> |
2346 | </orderedlist> | 2343 | </orderedlist> |
2347 | </section> | 2344 | </section> |
2345 | <section> | ||
2346 | <title>V4L2 in Linux 2.6.37</title> | ||
2347 | <orderedlist> | ||
2348 | <listitem> | ||
2349 | <para>Remove the vtx (videotext/teletext) API. This API was no longer | ||
2350 | used and no hardware exists to verify the API. Nor were any userspace applications found | ||
2351 | that used it. It was originally scheduled for removal in 2.6.35. | ||
2352 | </para> | ||
2353 | </listitem> | ||
2354 | </orderedlist> | ||
2355 | </section> | ||
2348 | 2356 | ||
2349 | <section id="other"> | 2357 | <section id="other"> |
2350 | <title>Relation of V4L2 to other Linux multimedia APIs</title> | 2358 | <title>Relation of V4L2 to other Linux multimedia APIs</title> |