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authorDaniel Vetter <daniel.vetter@ffwll.ch>2016-08-15 10:41:47 +0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2016-08-15 10:41:47 +0200
commitcc9263874b42bf98209dce0afe698b550648e770 (patch)
treef0eafd344c501e420de06c2e0f29f2ae0e6a9a1b /Documentation/media/uapi/v4l/v4l2-selection-flags.rst
parent02bef8f98d26e9774b49c78a42b29b168e8876fc (diff)
parentfc93ff608b15ae32cde3006b7af860b59cac20ec (diff)
Merge remote-tracking branch 'airlied/drm-next' into drm-intel-next-queued
Backmerge because too many conflicts, and also we need to get at the latest struct fence patches from Gustavo. Requested by Chris Wilson. Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
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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