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| -rw-r--r-- | Documentation/userspace-api/media/v4l/v4l2-selection-flags.rst | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/Documentation/userspace-api/media/v4l/v4l2-selection-flags.rst b/Documentation/userspace-api/media/v4l/v4l2-selection-flags.rst new file mode 100644 index 000000000000..1cb1531c1e52 --- /dev/null +++ b/Documentation/userspace-api/media/v4l/v4l2-selection-flags.rst @@ -0,0 +1,54 @@ +.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later + +.. _v4l2-selection-flags: + +*************** +Selection flags +*************** + +.. _v4l2-selection-flags-table: + +.. raw:: latex + + \small + +.. tabularcolumns:: |p{5.6cm}|p{2.0cm}|p{6.5cm}|p{1.2cm}|p{1.2cm}| + +.. cssclass:: longtable + +.. flat-table:: Selection flag definitions + :header-rows: 1 + :stub-columns: 0 + + * - Flag name + - id + - Definition + - Valid for V4L2 + - Valid for V4L2 subdev + * - ``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 + * - ``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 + * - ``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 + +.. raw:: latex + + \normalsize |