[media] V4L: JPEG class documentation corrections
This patch fixes following compilation warning: Error: no ID for constraint linkend: v4l2-jpeg-chroma-subsampling. and adds missing JPEG control class at the Table A.58. Signed-off-by: Sylwester Nawrocki <sylvester.nawrocki@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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@ -3978,7 +3978,7 @@ interface and may change in the future.</para>
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<entry spanname="id"><constant>V4L2_CID_JPEG_CHROMA_SUBSAMPLING</constant></entry>
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<entry>menu</entry>
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</row>
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<row id="jpeg-chroma-subsampling-control">
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<row id="v4l2-jpeg-chroma-subsampling">
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<entry spanname="descr">The chroma subsampling factors describe how
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each component of an input image is sampled, in respect to maximum
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sample rate in each spatial dimension. See <xref linkend="itu-t81"/>,
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@ -284,6 +284,13 @@ These controls are described in <xref
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processing controls. These controls are described in <xref
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linkend="image-process-controls" />.</entry>
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</row>
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<row>
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<entry><constant>V4L2_CTRL_CLASS_JPEG</constant></entry>
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<entry>0x9d0000</entry>
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<entry>The class containing JPEG compression controls.
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These controls are described in <xref
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linkend="jpeg-controls" />.</entry>
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</row>
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</tbody>
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</tgroup>
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</table>
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