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[media] DocBook media: document new u8 and u16 control types

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These types are needed for the upcoming Motion Detection matrix
controls, so document them.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Hans Verkuil 2014-06-10 07:34:31 -03:00 committed by Mauro Carvalho Chehab
parent dda4a4d5ea
commit 5e6ec6b0f7
2 changed files with 36 additions and 1 deletions
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14
Documentation/DocBook/media/v4l/vidioc-g-ext-ctrls.xml
View File

@ -183,6 +183,20 @@ type <constant>V4L2_CTRL_TYPE_INTEGER64</constant> and
<entry><structfield>string</structfield></entry>
<entry>A pointer to a string. Valid if this control is of
type <constant>V4L2_CTRL_TYPE_STRING</constant>.</entry>
</row>
<row>
<entry></entry>
<entry>__u8 *</entry>
<entry><structfield>p_u8</structfield></entry>
<entry>A pointer to a matrix control of unsigned 8-bit values.
Valid if this control is of type <constant>V4L2_CTRL_TYPE_U8</constant>.</entry>
</row>
<row>
<entry></entry>
<entry>__u16 *</entry>
<entry><structfield>p_u16</structfield></entry>
<entry>A pointer to a matrix control of unsigned 16-bit values.
Valid if this control is of type <constant>V4L2_CTRL_TYPE_U16</constant>.</entry>
</row>
<row>
<entry></entry>

23
Documentation/DocBook/media/v4l/vidioc-queryctrl.xml
View File

@ -289,7 +289,8 @@ accepts values 0-511 and the driver reports 0-65535, step should be
<entry>The default value of a
<constant>V4L2_CTRL_TYPE_INTEGER</constant>, <constant>_INTEGER64</constant>,
<constant>_BOOLEAN</constant>, <constant>_BITMASK</constant>,
<constant>_MENU</constant> or <constant>_INTEGER_MENU</constant> control.
<constant>_MENU</constant>, <constant>_INTEGER_MENU</constant>,
<constant>_U8</constant> or <constant>_U16</constant> control.
Not valid for other types of controls.
Note that drivers reset controls to their default value only when the
driver is first loaded, never afterwards.
@ -510,6 +511,26 @@ ioctl returns the name of the control class and this control type.
Older drivers which do not support this feature return an
&EINVAL;.</entry>
</row>
<row>
<entry><constant>V4L2_CTRL_TYPE_U8</constant></entry>
<entry>any</entry>
<entry>any</entry>
<entry>any</entry>
<entry>An unsigned 8-bit valued control ranging from minimum to
maximum inclusive. The step value indicates the increment between
values which are actually different on the hardware. This type is only used
in array controls.</entry>
</row>
<row>
<entry><constant>V4L2_CTRL_TYPE_U16</constant></entry>
<entry>any</entry>
<entry>any</entry>
<entry>any</entry>
<entry>An unsigned 16-bit valued control ranging from minimum to
maximum inclusive. The step value indicates the increment between
values which are actually different on the hardware. This type is only used
in array controls.</entry>
</row>
</tbody>
</tgroup>
</table>