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[media] dev-capture.rst/dev-output.rst: video standards ioctls are optional

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The documentation for video capture and output devices claims that the video standard
ioctls are required. This is not the case, they are only required for PAL/NTSC/SECAM
type inputs and outputs. Sensors do not implement this at all and e.g. HDMI inputs
implement the DV Timings ioctls.

Just drop the mention of 'video standard' ioctls.

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 2017-03-29 09:56:47 +02:00 committed by Mauro Carvalho Chehab
parent 0538bee6fd
commit 426b188040
2 changed files with 4 additions and 4 deletions
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4
Documentation/media/uapi/v4l/dev-capture.rst
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@ -42,8 +42,8 @@ Video capture devices shall support :ref:`audio input <audio>`,
:ref:`tuner`, :ref:`controls <control>`,
:ref:`cropping and scaling <crop>` and
:ref:`streaming parameter <streaming-par>` ioctls as needed. The
:ref:`video input <video>` and :ref:`video standard <standard>`
ioctls must be supported by all video capture devices.
:ref:`video input <video>` ioctls must be supported by all video
capture devices.
Image Format Negotiation

4
Documentation/media/uapi/v4l/dev-output.rst
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@ -40,8 +40,8 @@ Video output devices shall support :ref:`audio output <audio>`,
:ref:`modulator <tuner>`, :ref:`controls <control>`,
:ref:`cropping and scaling <crop>` and
:ref:`streaming parameter <streaming-par>` ioctls as needed. The
:ref:`video output <video>` and :ref:`video standard <standard>`
ioctls must be supported by all video output devices.
:ref:`video output <video>` ioctls must be supported by all video
output devices.
Image Format Negotiation