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The main message loop checks if the physical address was valid, and if
not it is assumed that the adapter had been unconfigured.
However, this check is no longer correct, instead it should check
that both adap->is_configured and adap->is_configuring are false.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The size of the transmit queue was unlimited, which meant that
in non-blocking mode you could flood the CEC adapter with messages
to be transmitted.
Limit this to 18 messages.
Also print the number of pending transmits and the timeout value
in the status debugfs file.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Ensure that the unused part of the msg array is zeroed. This is
required by CEC 2.0 when receiving shorter messages than expected.
In that case the remaining bytes are assumed to be 0.
There are no such CEC messages yet, but it is required to be future proof.
And since we're doing it for received messages, do it for transmitted
messages as well. It's unambiguous this way.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The filehandle was set to NULL when in non-blocking mode or when
no reply is needed.
This is wrong: the filehandle is needed in non-blocking mode to ensure
that the result of the transmit can be obtained through CEC_RECEIVE.
And the 'reply' check was also incorrect since it should have checked the
timeout field (the reply can be 0). In any case, when in blocking mode
there is no need to set the fh to NULL either.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Before transmitting a message clear all status fields and always fill
in the sequence number. Make sure the sequence number is never 0.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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When CEC_RECEIVE returns a message the original timeout field
was overwritten. Restore the timeout field.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Sphinx is really evil when an older version finds an extra
attribute for the :toctree: tag: it simply ignores everything
and produce documents without any chapter inside!
As we're now using tags available only on Sphinx 1.4.x, we
need to use some creative ways to add a title before the
table of contents. Do that by using a css class.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The titles at the media books were misleading, and some books
were not numbered.
Rename the kAPI book to better reflect its contents, be more
consistent on the initial rst file for each book and better
name them.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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I ended by adding twice each media header, because I saw some
missing stuff at the documents. It seems it was my mistake,
as everything seems to be there.
So, remove those extra stuff, to avoid duplicating the
documentation of the functions.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Move the contents of this file to bttv.rst and saa7134.rst.
With that, we can finally remove Documentation/video4linux.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Import the contents of hauppauge-wintv-cx88-ir.txt, after
converted to ReST into cx88.rst file.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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There are some information about missing/wrong documentation at
cx231xx datasheet. Add it to the cx88 chapter.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Finally, adds the content of README.vbi at cx2341x.rst after
its conversion to ReST format.
Now, add information about this chipset and its driver is
inside a single chapter at the media/v4l-drivers book.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The README.hm12 file describes the proprietary format used
by this driver for raw format, called HM12. Add its description
at the document, after converted to ReST.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Convert it to ReST format and add to cx2341x.rst file.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Add the contents of fw-upload.txt, after converting it to
ReST format.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Convert the content to ReST and add it at the cx231xx.rst
file.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Add the contents of fw-dma.txt, converted to ReST, and
drop the old file.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Convert it to ReST and add its contents at this file.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Convert its contents to ReST and add to cx2341x.rst.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Convert the contents of fw-decoder-registers.txt to ReST and
add it to cx2341x.rst file.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Commit 795ae7a0de6b ("mm: scale kswapd watermarks in proportion to
memory") properly added the description of the new knob to
Documentation/sysctl/vm.txt, but forgot to add it to the list of files
in /proc/sys/vm. Let's fix that.
Signed-off-by: Jerome Marchand <jmarchan@redhat.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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move the contents of fw-decoder-api.txt to cx2341x and
convert it to ReST file, adding it to media/v4l-drivers
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Convert bttv/Tuners to ReST and add it to the media/v4l-drivers book.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Convert it to ReST and add it to media/v4l-drivers book.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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There were several files under Documentation/video4linux/bttv.
Instead of simply copying them to the rst folder, I opted to
merge into a single document and adjust the headers to
adjust the section levels and fix the cards tables.
There are two exceptions on the merge:
- The Tuners were renamed as a separate document, as they
describe a separate driver;
- I removed the PROBLEMS section. It describes problems with
the very first generation of 3D boards (Mistique/S3).
It sounds very unlikely that someone would still need to
install a bttv board on such hardware. Also, it is not
very well written, IMHO.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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While trying to make gpu docs warning free I stumbled over one output
which wasn't following proper compiler error output standards. Fix it
up for more quickfix awesomeness.
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: linux-doc@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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This document were really old. Update it to reflect the current
status of the IR drivers for TV.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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This section is outdated, but let's add it, after converting
to ReST, and then fix it.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Convert it to ReST and add to media/v4l-drivers book.
As the sections here (and on other docs) are numbered,
let's also make this book auto-numbered.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Convert it to ReST and add to media/v4l-drivers book.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Convert it to ReST and add to media/v4l-drivers book.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Convert it to ReST format and add it at media/v4l-drivers book.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Convert it to ReST and add to media/v4l-drivers book.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Convert it to ReST and add it to the media/v4l-drivers book.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Convert it to ReST and add to media/v4l-drivers book.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Convert it to ReST and add it to media/v4l-drivers book.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Convert it to ReST and add to the media/v4l-device book.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Convert it to ReST and add it to the media/v4l-drivers book.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Convert pxa_camera to ReST format and add it to the
media/v4l-drivers book.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Convert pvrusb2 documentation to ReST file and removed the note
about an html version of the documentation, as it is not
shipped inside the Kernel.
Add it to media/v4l-drivers book.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Convert the omap4_camera documentation to ReST and add it to
the media/v4l-drivers book.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Convert omap3isp documentation to ReST and add it to the
media/v4l-drivers book.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Convert the meye documentation to rst and add it to the
media/v4l-drivers book.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Convert ivtv documentation to rst, update the links there
and add to media/v4l-drivers book.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Convert the document to rst and add it to the v4l-drivers
book.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Convert it to rst format and add it to the v4l-drivers book.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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This doc is outdated, and contains information that it is not
true anymore. Update it to reflect the changes that this
driver suffered since I started working on it.
While here, also update Gerd's name.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Convert the cx88 documentation to rst and add it to the v4l-devices
book
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Convert the documentation to rst, merge the two files and
add to the index.rst.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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