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1 .. -*- coding: utf-8; mode: rst -*-
2
3 .. _v4l2-selection-flags:
4
5 ***************
6 Selection flags
7 ***************
8
9
10 .. _v4l2-selection-flags-table:
11
12 .. flat-table:: Selection flag definitions
13 :header-rows: 1
14 :stub-columns: 0
15
16
17 - .. row 1
18
19 - Flag name
20
21 - id
22
23 - Definition
24
25 - Valid for V4L2
26
27 - Valid for V4L2 subdev
28
29 - .. row 2
30
31 - ``V4L2_SEL_FLAG_GE``
32
33 - (1 << 0)
34
35 - Suggest the driver it should choose greater or equal rectangle (in
36 size) than was requested. Albeit the driver may choose a lesser
37 size, it will only do so due to hardware limitations. Without this
38 flag (and ``V4L2_SEL_FLAG_LE``) the behaviour is to choose the
39 closest possible rectangle.
40
41 - Yes
42
43 - Yes
44
45 - .. row 3
46
47 - ``V4L2_SEL_FLAG_LE``
48
49 - (1 << 1)
50
51 - Suggest the driver it should choose lesser or equal rectangle (in
52 size) than was requested. Albeit the driver may choose a greater
53 size, it will only do so due to hardware limitations.
54
55 - Yes
56
57 - Yes
58
59 - .. row 4
60
61 - ``V4L2_SEL_FLAG_KEEP_CONFIG``
62
63 - (1 << 2)
64
65 - The configuration must not be propagated to any further processing
66 steps. If this flag is not given, the configuration is propagated
67 inside the subdevice to all further processing steps.
68
69 - No
70
71 - Yes
72
73
74
75
76 .. ------------------------------------------------------------------------------
77 .. This file was automatically converted from DocBook-XML with the dbxml
78 .. library (https://github.com/return42/sphkerneldoc). The origin XML comes
79 .. from the linux kernel, refer to:
80 ..
81 .. * https://github.com/torvalds/linux/tree/master/Documentation/DocBook
82 .. ------------------------------------------------------------------------------