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This commit adds a new property DTV_SCRAMBLING_SEQUENCE_INDEX.
This 18 bit field, when present, carries the index of the DVB-S2 physical
layer scrambling sequence as defined in clause 5.5.4 of EN 302 307.
There is no explicit signalling method to convey scrambling sequence index
to the receiver. If S2 satellite delivery system descriptor is available
it can be used to read the scrambling sequence index (EN 300 468 table 41).
By default, gold scrambling sequence index 0 is used. The valid scrambling
sequence index range is from 0 to 262142.
Increase the DVB API version in order userspace to be aware of the changes.
Signed-off-by: Athanasios Oikonomou <athoik@gmail.com>
Acked-by: Ralph Metzler <rjkm@metzlerbros.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The usage of the term "DVB" at the dvb API docs is confusing,
as, right now, it can refer to either the European digital TV
standard or to the subsystem.
So, prefer calling it as "Digital TV" on most places, to avoid
ambiguity.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Use a table to document the supported bandwidths. That makes
it clearer to readers.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Several frontend properties are specific to a subset of the
delivery systems. Make it clearer when describing each
property.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Now that frontend.h contains most documentation for the frontend,
remove the duplicated information from Documentation/ and use the
kernel-doc auto-generated one instead.
That should simplify maintainership of DVB frontend uAPI, as most
of the documentation will stick with the header file.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Now that we moved away from the :ref: type of references,
we need to update the exceptions lists.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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There are still a few tables with wrong columns at the uAPI
docs. Fix them.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Add position hints for some tables, in order for them to be
shown properly on LaTeX output.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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There are several notes for this DTV property. Some are
outdated, so take some care of it, making it updated.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Make the note better formatted and documented.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The name of the subsystem is "media", and not "linux_tv". Also,
as we plan to add other stuff there in the future, let's
rename also the media uAPI book to media_uapi, to make it
clearer.
No functional changes.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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