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Commit 565092c6 authored by Antti Palosaari's avatar Antti Palosaari Committed by Mauro Carvalho Chehab
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[media] DocBook: V4L: add V4L2_SDR_FMT_CS14LE - 'CS14'



V4L2_SDR_FMT_CS14LE is complex signed 14-bit sample format, used
for software defined radio devices.

[m.chehab@samsung.com: remove V4L2_FL_USE_FH_PRIO setting to avoid
 compilation breakage, as this flag doesn't exist anymore]

Signed-off-by: default avatarAntti Palosaari <crope@iki.fi>
Signed-off-by: default avatarMauro Carvalho Chehab <m.chehab@samsung.com>
parent 5c5be570
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<refentry id="V4L2-SDR-FMT-CS14LE">
  <refmeta>
    <refentrytitle>V4L2_SDR_FMT_CS14LE ('CS14')</refentrytitle>
    &manvol;
  </refmeta>
    <refnamediv>
      <refname>
        <constant>V4L2_SDR_FMT_CS14LE</constant>
      </refname>
      <refpurpose>Complex signed 14-bit little endian 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 14 bit signed little endian number. I value comes first
and Q value after that. 14 bit value is stored in 16 bit space with unused
high bits padded with 0.
      </para>
    <example>
      <title><constant>V4L2_SDR_FMT_CS14LE</constant> 1 sample</title>
      <formalpara>
        <title>Byte Order.</title>
        <para>Each cell is one byte.
          <informaltable frame="none">
            <tgroup cols="3" align="center">
              <colspec align="left" colwidth="2*" />
              <tbody valign="top">
                <row>
                  <entry>start&nbsp;+&nbsp;0:</entry>
                  <entry>I'<subscript>0[7:0]</subscript></entry>
                  <entry>I'<subscript>0[13:8]</subscript></entry>
                </row>
                <row>
                  <entry>start&nbsp;+&nbsp;2:</entry>
                  <entry>Q'<subscript>0[7:0]</subscript></entry>
                  <entry>Q'<subscript>0[13:8]</subscript></entry>
                </row>
              </tbody>
            </tgroup>
          </informaltable>
        </para>
      </formalpara>
    </example>
  </refsect1>
</refentry>
+1 −0
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@@ -860,6 +860,7 @@ interface only.</para>
    &sub-sdr-cu08;
    &sub-sdr-cu08;
    &sub-sdr-cu16le;
    &sub-sdr-cu16le;
    &sub-sdr-cs08;
    &sub-sdr-cs08;
    &sub-sdr-cs14le;
    &sub-sdr-ru12le;
    &sub-sdr-ru12le;


  </section>
  </section>
+0 −1
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@@ -1039,7 +1039,6 @@ static int airspy_probe(struct usb_interface *intf,
	s->vdev = airspy_template;
	s->vdev = airspy_template;
	s->vdev.queue = &s->vb_queue;
	s->vdev.queue = &s->vb_queue;
	s->vdev.queue->lock = &s->vb_queue_lock;
	s->vdev.queue->lock = &s->vb_queue_lock;
	set_bit(V4L2_FL_USE_FH_PRIO, &s->vdev.flags);
	video_set_drvdata(&s->vdev, s);
	video_set_drvdata(&s->vdev, s);


	/* Register the v4l2_device structure */
	/* Register the v4l2_device structure */