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authorLinus Torvalds <torvalds@linux-foundation.org>2016-08-04 16:59:37 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2016-08-04 16:59:37 +0300
commitc1ece76719205690f4b448460d9b85c130e8021b (patch)
tree01072c593d53ef551788228ea28ce8bc87bc0e45 /Documentation/DocBook/media/v4l/vidioc-g-input.xml
parentfb1b83d3ff78168e10799627f231cf0c05c9d80d (diff)
parent292eaf50c7df4ae2ae8aaa9e1ce3f1240a353ee8 (diff)
downloadlinux-c1ece76719205690f4b448460d9b85c130e8021b.tar.xz
Merge tag 'media/v4.8-5' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media DocBook removal and some fixups from Mauro Carvalho Chehab: - removal of the media DocBook (since it's all in Sphinx now) - videobuf2: Fix an allocation regression - a few fixes related to the CEC drivers * tag 'media/v4.8-5' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: [media] cec: fix off-by-one memset [media] staging: add MEDIA_SUPPORT dependency [media] vivid: don't handle CEC_MSG_SET_STREAM_PATH [media] media: adv7180: Fix broken interrupt register access [media] vb2: Fix allocation size of dma_parms [media] vim2m: copy the other colorspace-related fields as well [media] adv7511: fix VIC autodetect doc-rst: Remove the media docbook
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diff --git a/Documentation/DocBook/media/v4l/vidioc-g-input.xml b/Documentation/DocBook/media/v4l/vidioc-g-input.xml
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-<refentry id="vidioc-g-input">
- <refmeta>
- <refentrytitle>ioctl VIDIOC_G_INPUT, VIDIOC_S_INPUT</refentrytitle>
- &manvol;
- </refmeta>
-
- <refnamediv>
- <refname>VIDIOC_G_INPUT</refname>
- <refname>VIDIOC_S_INPUT</refname>
- <refpurpose>Query or select the current video input</refpurpose>
- </refnamediv>
-
- <refsynopsisdiv>
- <funcsynopsis>
- <funcprototype>
- <funcdef>int <function>ioctl</function></funcdef>
- <paramdef>int <parameter>fd</parameter></paramdef>
- <paramdef>int <parameter>request</parameter></paramdef>
- <paramdef>int *<parameter>argp</parameter></paramdef>
- </funcprototype>
- </funcsynopsis>
- </refsynopsisdiv>
-
- <refsect1>
- <title>Arguments</title>
-
- <variablelist>
- <varlistentry>
- <term><parameter>fd</parameter></term>
- <listitem>
- <para>&fd;</para>
- </listitem>
- </varlistentry>
- <varlistentry>
- <term><parameter>request</parameter></term>
- <listitem>
- <para>VIDIOC_G_INPUT, VIDIOC_S_INPUT</para>
- </listitem>
- </varlistentry>
- <varlistentry>
- <term><parameter>argp</parameter></term>
- <listitem>
- <para></para>
- </listitem>
- </varlistentry>
- </variablelist>
- </refsect1>
-
- <refsect1>
- <title>Description</title>
-
- <para>To query the current video input applications call the
-<constant>VIDIOC_G_INPUT</constant> ioctl with a pointer to an integer
-where the driver stores the number of the input, as in the
-&v4l2-input; <structfield>index</structfield> field. This ioctl will
-fail only when there are no video inputs, returning
-<errorcode>EINVAL</errorcode>.</para>
-
- <para>To select a video input applications store the number of the
-desired input in an integer and call the
-<constant>VIDIOC_S_INPUT</constant> ioctl with a pointer to this
-integer. Side effects are possible. For example inputs may support
-different video standards, so the driver may implicitly switch the
-current standard. Because of these possible side effects applications
-must select an input before querying or negotiating any other parameters.</para>
-
- <para>Information about video inputs is available using the
-&VIDIOC-ENUMINPUT; ioctl.</para>
- </refsect1>
-
- <refsect1>
- &return-value;
-
- <variablelist>
- <varlistentry>
- <term><errorcode>EINVAL</errorcode></term>
- <listitem>
- <para>The number of the video input is out of bounds.</para>
- </listitem>
- </varlistentry>
- </variablelist>
- </refsect1>
-</refentry>