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media: control.rst: use a table for V4L2_CID_POWER_LINE
The default way to document control enums is via tables. Use one here too. As the table is simple, just use ASCII artwork. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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``V4L2_CID_POWER_LINE_FREQUENCY`` ``(enum)``
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Enables a power line frequency filter to avoid flicker. Possible
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values for ``enum v4l2_power_line_frequency`` are:
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``V4L2_CID_POWER_LINE_FREQUENCY_DISABLED`` (0),
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``V4L2_CID_POWER_LINE_FREQUENCY_50HZ`` (1),
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``V4L2_CID_POWER_LINE_FREQUENCY_60HZ`` (2) and
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``V4L2_CID_POWER_LINE_FREQUENCY_AUTO`` (3).
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========================================== ==
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``V4L2_CID_POWER_LINE_FREQUENCY_DISABLED`` 0
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``V4L2_CID_POWER_LINE_FREQUENCY_50HZ`` 1
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``V4L2_CID_POWER_LINE_FREQUENCY_60HZ`` 2
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``V4L2_CID_POWER_LINE_FREQUENCY_AUTO`` 3
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========================================== ==
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``V4L2_CID_HUE_AUTO`` ``(boolean)``
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Enables automatic hue control by the device. The effect of setting
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