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.. -*- coding: utf-8; mode: rst -*-
.. _v4l2-selection-flags:
***************
Selection flags
***************
.. _v4l2-selection-flags-table:
.. flat-table:: Selection flag definitions
:header-rows: 1
:stub-columns: 0
- .. row 1
- Flag name
- id
- Definition
- Valid for V4L2
- Valid for V4L2 subdev
- .. row 2
- ``V4L2_SEL_FLAG_GE``
- (1 << 0)
- Suggest the driver it should choose greater or equal rectangle (in
size) than was requested. Albeit the driver may choose a lesser
size, it will only do so due to hardware limitations. Without this
flag (and ``V4L2_SEL_FLAG_LE``) the behaviour is to choose the
closest possible rectangle.
- Yes
- Yes
- .. row 3
- ``V4L2_SEL_FLAG_LE``
- (1 << 1)
- Suggest the driver it should choose lesser or equal rectangle (in
size) than was requested. Albeit the driver may choose a greater
size, it will only do so due to hardware limitations.
- Yes
- Yes
- .. row 4
- ``V4L2_SEL_FLAG_KEEP_CONFIG``
- (1 << 2)
- The configuration must not be propagated to any further processing
steps. If this flag is not given, the configuration is propagated
inside the subdevice to all further processing steps.
- No
- Yes
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