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-.. Permission is granted to copy, distribute and/or modify this
-.. document under the terms of the GNU Free Documentation License,
-.. Version 1.1 or any later version published by the Free Software
-.. Foundation, with no Invariant Sections, no Front-Cover Texts
-.. and no Back-Cover Texts. A copy of the license is included at
-.. Documentation/media/uapi/fdl-appendix.rst.
-..
-.. TODO: replace it to GFDL-1.1-or-later WITH no-invariant-sections
-
-.. _image-source-controls:
-
-******************************
-Image Source Control Reference
-******************************
-
-The Image Source control class is intended for low-level control of
-image source devices such as image sensors. The devices feature an
-analogue to digital converter and a bus transmitter to transmit the
-image data out of the device.
-
-
-.. _image-source-control-id:
-
-Image Source Control IDs
-========================
-
-``V4L2_CID_IMAGE_SOURCE_CLASS (class)``
- The IMAGE_SOURCE class descriptor.
-
-``V4L2_CID_VBLANK (integer)``
- Vertical blanking. The idle period after every frame during which no
- image data is produced. The unit of vertical blanking is a line.
- Every line has length of the image width plus horizontal blanking at
- the pixel rate defined by ``V4L2_CID_PIXEL_RATE`` control in the
- same sub-device.
-
-``V4L2_CID_HBLANK (integer)``
- Horizontal blanking. The idle period after every line of image data
- during which no image data is produced. The unit of horizontal
- blanking is pixels.
-
-``V4L2_CID_ANALOGUE_GAIN (integer)``
- Analogue gain is gain affecting all colour components in the pixel
- matrix. The gain operation is performed in the analogue domain
- before A/D conversion.
-
-``V4L2_CID_TEST_PATTERN_RED (integer)``
- Test pattern red colour component.
-
-``V4L2_CID_TEST_PATTERN_GREENR (integer)``
- Test pattern green (next to red) colour component.
-
-``V4L2_CID_TEST_PATTERN_BLUE (integer)``
- Test pattern blue colour component.
-
-``V4L2_CID_TEST_PATTERN_GREENB (integer)``
- Test pattern green (next to blue) colour component.