``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