[media] DocBook: V4L: add V4L2_SDR_FMT_CS8 - 'CS08'

<refentry id="V4L2-SDR-FMT-CS08">

  <refmeta>

    <refentrytitle>V4L2_SDR_FMT_CS8 ('CS08')</refentrytitle>

    &manvol;

  </refmeta>

    <refnamediv>

      <refname>

        <constant>V4L2_SDR_FMT_CS8</constant>

      </refname>

      <refpurpose>Complex signed 8-bit IQ sample</refpurpose>

    </refnamediv>

    <refsect1>

      <title>Description</title>

      <para>

This format contains sequence of complex number samples. Each complex number

consist two parts, called In-phase and Quadrature (IQ). Both I and Q are

represented as a 8 bit signed number. I value comes first and Q value after

that.

      </para>

    <example>

      <title><constant>V4L2_SDR_FMT_CS8</constant> 1 sample</title>

      <formalpara>

        <title>Byte Order.</title>

        <para>Each cell is one byte.

          <informaltable frame="none">

            <tgroup cols="2" align="center">

              <colspec align="left" colwidth="2*" />

              <tbody valign="top">

                <row>

                  <entry>start&nbsp;+&nbsp;0:</entry>

                  <entry>I'<subscript>0</subscript></entry>

                </row>

                <row>

                  <entry>start&nbsp;+&nbsp;1:</entry>

                  <entry>Q'<subscript>0</subscript></entry>

                </row>

              </tbody>

            </tgroup>

          </informaltable>

        </para>

      </formalpara>

    </example>

  </refsect1>

</refentry>

    &sub-sdr-cu08;

    &sub-sdr-cu16le;

    &sub-sdr-cs08;

    &sub-sdr-ru12le;

  </section>