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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>
This commit is contained in:
Mauro Carvalho Chehab 2020-12-10 08:08:20 +01:00
parent b0b6ef0bb2
commit a78801a443
1 changed files with 7 additions and 4 deletions
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Documentation/userspace-api/media/v4l/control.rst
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@ -154,10 +154,13 @@ Control IDs
``V4L2_CID_POWER_LINE_FREQUENCY`` ``(enum)``
Enables a power line frequency filter to avoid flicker. Possible
values for ``enum v4l2_power_line_frequency`` are:
``V4L2_CID_POWER_LINE_FREQUENCY_DISABLED`` (0),
``V4L2_CID_POWER_LINE_FREQUENCY_50HZ`` (1),
``V4L2_CID_POWER_LINE_FREQUENCY_60HZ`` (2) and
``V4L2_CID_POWER_LINE_FREQUENCY_AUTO`` (3).
========================================== ==
``V4L2_CID_POWER_LINE_FREQUENCY_DISABLED`` 0
``V4L2_CID_POWER_LINE_FREQUENCY_50HZ`` 1
``V4L2_CID_POWER_LINE_FREQUENCY_60HZ`` 2
``V4L2_CID_POWER_LINE_FREQUENCY_AUTO`` 3
========================================== ==
``V4L2_CID_HUE_AUTO`` ``(boolean)``
Enables automatic hue control by the device. The effect of setting