summaryrefslogtreecommitdiffstats
path: root/Documentation/DocBook/media/v4l/vidioc-queryctrl.xml
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation/DocBook/media/v4l/vidioc-queryctrl.xml')
-rw-r--r--Documentation/DocBook/media/v4l/vidioc-queryctrl.xml41
1 files changed, 38 insertions, 3 deletions
diff --git a/Documentation/DocBook/media/v4l/vidioc-queryctrl.xml b/Documentation/DocBook/media/v4l/vidioc-queryctrl.xml
index 36660d3..e6645b9 100644
--- a/Documentation/DocBook/media/v4l/vidioc-queryctrl.xml
+++ b/Documentation/DocBook/media/v4l/vidioc-queryctrl.xml
@@ -127,7 +127,7 @@ the first control with a higher ID. Drivers which do not support this
flag yet always return an &EINVAL;.</entry>
</row>
<row>
- <entry>&v4l2-ctrl-type;</entry>
+ <entry>__u32</entry>
<entry><structfield>type</structfield></entry>
<entry>Type of control, see <xref
linkend="v4l2-ctrl-type" />.</entry>
@@ -215,11 +215,12 @@ the array to zero.</entry>
<table pgwide="1" frame="none" id="v4l2-querymenu">
<title>struct <structname>v4l2_querymenu</structname></title>
- <tgroup cols="3">
+ <tgroup cols="4">
&cs-str;
<tbody valign="top">
<row>
<entry>__u32</entry>
+ <entry></entry>
<entry><structfield>id</structfield></entry>
<entry>Identifies the control, set by the application
from the respective &v4l2-queryctrl;
@@ -227,18 +228,38 @@ from the respective &v4l2-queryctrl;
</row>
<row>
<entry>__u32</entry>
+ <entry></entry>
<entry><structfield>index</structfield></entry>
<entry>Index of the menu item, starting at zero, set by
the application.</entry>
</row>
<row>
+ <entry>union</entry>
+ <entry></entry>
+ <entry></entry>
+ <entry></entry>
+ </row>
+ <row>
+ <entry></entry>
<entry>__u8</entry>
<entry><structfield>name</structfield>[32]</entry>
<entry>Name of the menu item, a NUL-terminated ASCII
-string. This information is intended for the user.</entry>
+string. This information is intended for the user. This field is valid
+for <constant>V4L2_CTRL_FLAG_MENU</constant> type controls.</entry>
+ </row>
+ <row>
+ <entry></entry>
+ <entry>__s64</entry>
+ <entry><structfield>value</structfield></entry>
+ <entry>
+ Value of the integer menu item. This field is valid for
+ <constant>V4L2_CTRL_FLAG_INTEGER_MENU</constant> type
+ controls.
+ </entry>
</row>
<row>
<entry>__u32</entry>
+ <entry></entry>
<entry><structfield>reserved</structfield></entry>
<entry>Reserved for future extensions. Drivers must set
the array to zero.</entry>
@@ -292,6 +313,20 @@ the menu items can be enumerated with the
<constant>VIDIOC_QUERYMENU</constant> ioctl.</entry>
</row>
<row>
+ <entry><constant>V4L2_CTRL_TYPE_INTEGER_MENU</constant></entry>
+ <entry>&ge; 0</entry>
+ <entry>1</entry>
+ <entry>N-1</entry>
+ <entry>
+ The control has a menu of N choices. The values of the
+ menu items can be enumerated with the
+ <constant>VIDIOC_QUERYMENU</constant> ioctl. This is
+ similar to <constant>V4L2_CTRL_TYPE_MENU</constant>
+ except that instead of strings, the menu items are
+ signed 64-bit integers.
+ </entry>
+ </row>
+ <row>
<entry><constant>V4L2_CTRL_TYPE_BITMASK</constant></entry>
<entry>0</entry>
<entry>n/a</entry>