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[media] vidioc-enumin/output.rst: improve documentation

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The V4L2_INPUT_TYPE_CAMERA and V4L2_OUTPUT_TYPE_ANALOG descriptions were
hopelessly out of date. Fix this, and also fix a few style issues in these
documents. Finally add the missing documentation for V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY
(only used by the zoran driver).

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Hans Verkuil 2017-03-31 05:58:39 -03:00 committed by Mauro Carvalho Chehab
parent ba7ed691dc
commit bff8ff6528
2 changed files with 14 additions and 12 deletions
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11
Documentation/media/uapi/v4l/vidioc-enuminput.rst
View File

@ -33,7 +33,7 @@ Description
To query the attributes of a video input applications initialize the
``index`` field of struct :c:type:`v4l2_input` and call the
:ref:`VIDIOC_ENUMINPUT` ioctl with a pointer to this structure. Drivers
:ref:`VIDIOC_ENUMINPUT` with a pointer to this structure. Drivers
fill the rest of the structure or return an ``EINVAL`` error code when the
index is out of bounds. To enumerate all inputs applications shall begin
at index zero, incrementing by one until the driver returns ``EINVAL``.
@ -117,8 +117,9 @@ at index zero, incrementing by one until the driver returns ``EINVAL``.
- This input uses a tuner (RF demodulator).
* - ``V4L2_INPUT_TYPE_CAMERA``
- 2
- Analog baseband input, for example CVBS / Composite Video,
S-Video, RGB.
- Any non-tuner video input, for example Composite Video,
S-Video, HDMI, camera sensor. The naming as ``_TYPE_CAMERA`` is historical,
today we would have called it ``_TYPE_VIDEO``.
* - ``V4L2_INPUT_TYPE_TOUCH``
- 3
- This input is a touch device for capturing raw touch data.
@ -209,11 +210,11 @@ at index zero, incrementing by one until the driver returns ``EINVAL``.
* - ``V4L2_IN_CAP_DV_TIMINGS``
- 0x00000002
- This input supports setting video timings by using
VIDIOC_S_DV_TIMINGS.
``VIDIOC_S_DV_TIMINGS``.
* - ``V4L2_IN_CAP_STD``
- 0x00000004
- This input supports setting the TV standard by using
VIDIOC_S_STD.
``VIDIOC_S_STD``.
* - ``V4L2_IN_CAP_NATIVE_SIZE``
- 0x00000008
- This input supports setting the native size using the

15
Documentation/media/uapi/v4l/vidioc-enumoutput.rst
View File

@ -33,11 +33,11 @@ Description
To query the attributes of a video outputs applications initialize the
``index`` field of struct :c:type:`v4l2_output` and call
the :ref:`VIDIOC_ENUMOUTPUT` ioctl with a pointer to this structure.
the :ref:`VIDIOC_ENUMOUTPUT` with a pointer to this structure.
Drivers fill the rest of the structure or return an ``EINVAL`` error code
when the index is out of bounds. To enumerate all outputs applications
shall begin at index zero, incrementing by one until the driver returns
EINVAL.
``EINVAL``.
.. tabularcolumns:: |p{4.4cm}|p{4.4cm}|p{8.7cm}|
@ -112,11 +112,12 @@ EINVAL.
- This output is an analog TV modulator.
* - ``V4L2_OUTPUT_TYPE_ANALOG``
- 2
- Analog baseband output, for example Composite / CVBS, S-Video,
RGB.
- Any non-modulator video output, for example Composite Video,
S-Video, HDMI. The naming as ``_TYPE_ANALOG`` is historical,
today we would have called it ``_TYPE_VIDEO``.
* - ``V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY``
- 3
- [?]
- The video output will be copied to a :ref:`video overlay <overlay>`.
@ -132,11 +133,11 @@ EINVAL.
* - ``V4L2_OUT_CAP_DV_TIMINGS``
- 0x00000002
- This output supports setting video timings by using
VIDIOC_S_DV_TIMINGS.
``VIDIOC_S_DV_TIMINGS``.
* - ``V4L2_OUT_CAP_STD``
- 0x00000004
- This output supports setting the TV standard by using
VIDIOC_S_STD.
``VIDIOC_S_STD``.
* - ``V4L2_OUT_CAP_NATIVE_SIZE``
- 0x00000008
- This output supports setting the native size using the