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media: Documentation: Add ST VGXY61 driver documentation
Document V4L2_CID_HDR_MODE possible values for this sensor. Signed-off-by: Benjamin Mugnier <benjamin.mugnier@foss.st.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
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Documentation/userspace-api/media/drivers/st-vgxy61.rst
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Documentation/userspace-api/media/drivers/st-vgxy61.rst
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.. SPDX-License-Identifier: GPL-2.0
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ST VGXY61 camera sensor driver
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==============================
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The ST VGXY61 driver implements the following controls:
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``V4L2_CID_HDR_SENSOR_MODE``
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-------------------------------
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Change the sensor HDR mode. A HDR picture is obtained by merging two captures of the same scene
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using two different exposure periods.
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.. flat-table::
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* - HDR linearize
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- The merger outputs a long exposure capture as long as it is not saturated.
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* - HDR substraction
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- This involves subtracting the short exposure frame from the long exposure frame.
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* - "No HDR"
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- This mode is used for standard dynamic range (SDR) exposures.
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