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Commit 426b1880 authored by Hans Verkuil's avatar Hans Verkuil Committed by Mauro Carvalho Chehab
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[media] dev-capture.rst/dev-output.rst: video standards ioctls are optional 



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: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@s-opensource.com>
parent 0538bee6

Documentation/media/uapi/v4l/dev-capture.rst

+2 −2
Original line number Original line Diff line number Diff line
@@ -42,8 +42,8 @@ Video capture devices shall support :ref:`audio input <audio>`, 
:ref:`tuner`, :ref:`controls <control>`,

:ref:`tuner`, :ref:`controls <control>`,

:ref:`cropping and scaling <crop>` and

:ref:`cropping and scaling <crop>` and

:ref:`streaming parameter <streaming-par>` ioctls as needed. The

:ref:`streaming parameter <streaming-par>` ioctls as needed. The

:ref:`video input <video>` and :ref:`video standard <standard>`

:ref:`video input <video>` ioctls must be supported by all video

ioctls must be supported by all video capture devices.

capture devices.









Image Format Negotiation

Image Format Negotiation

Documentation/media/uapi/v4l/dev-output.rst

+2 −2
Original line number Original line Diff line number Diff line
@@ -40,8 +40,8 @@ Video output devices shall support :ref:`audio output <audio>`, 
:ref:`modulator <tuner>`, :ref:`controls <control>`,

:ref:`modulator <tuner>`, :ref:`controls <control>`,

:ref:`cropping and scaling <crop>` and

:ref:`cropping and scaling <crop>` and

:ref:`streaming parameter <streaming-par>` ioctls as needed. The

:ref:`streaming parameter <streaming-par>` ioctls as needed. The

:ref:`video output <video>` and :ref:`video standard <standard>`

:ref:`video output <video>` ioctls must be supported by all video

ioctls must be supported by all video output devices.

output devices.









Image Format Negotiation

Image Format Negotiation