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Message-Id: <20250522115255.137450-2-hannelotta@gmail.com>
Date: Thu, 22 May 2025 14:52:53 +0300
From: Hanne-Lotta Mäenpää <hannelotta@...il.com>
To: mchehab@...nel.org,
ribalda@...omium.org,
hverkuil@...all.nl,
sebastian.fricke@...labora.com,
hljunggr@...co.com,
dave.jiang@...el.com,
jgg@...pe.ca,
saeedm@...dia.com,
Jonathan.Cameron@...wei.com,
corbet@....net,
ilpo.jarvinen@...ux.intel.com,
mario.limonciello@....com,
W_Armin@....de,
mpearson-lenovo@...ebb.ca,
skhan@...uxfoundation.org
Cc: linux-media@...r.kernel.org,
linux-kernel@...r.kernel.org,
linux-kernel-mentees@...ts.linux.dev,
Hanne-Lotta Mäenpää <hannelotta@...il.com>
Subject: [PATCH v2 2/4] docs: Improve grammar, formatting in Video4Linux
Fix typos, punctuation and improve grammar and formatting
in documentation for Video4Linux (V4L).
Signed-off-by: Hanne-Lotta Mäenpää <hannelotta@...il.com>
---
Notes:
v1 -> v2:
Left out changes based on feedback from Jonathan Corbet
<corbet@....net> and Bagas Sanjaya <bagasdotme@...il.com>
.../userspace-api/media/v4l/biblio.rst | 2 +-
.../media/v4l/dev-sliced-vbi.rst | 4 ++--
.../media/v4l/ext-ctrls-fm-rx.rst | 11 +++-------
.../media/v4l/ext-ctrls-fm-tx.rst | 21 +++++++------------
.../media/v4l/pixfmt-srggb12p.rst | 4 ++--
.../media/v4l/pixfmt-srggb14p.rst | 2 +-
6 files changed, 16 insertions(+), 28 deletions(-)
diff --git a/Documentation/userspace-api/media/v4l/biblio.rst b/Documentation/userspace-api/media/v4l/biblio.rst
index 35674eeae20d..856acf6a890c 100644
--- a/Documentation/userspace-api/media/v4l/biblio.rst
+++ b/Documentation/userspace-api/media/v4l/biblio.rst
@@ -150,7 +150,7 @@ ITU-T.81
========
-:title: ITU-T Recommendation T.81 "Information Technology --- Digital Compression and Coding of Continous-Tone Still Images --- Requirements and Guidelines"
+:title: ITU-T Recommendation T.81 "Information Technology --- Digital Compression and Coding of Continuous-Tone Still Images --- Requirements and Guidelines"
:author: International Telecommunication Union (http://www.itu.int)
diff --git a/Documentation/userspace-api/media/v4l/dev-sliced-vbi.rst b/Documentation/userspace-api/media/v4l/dev-sliced-vbi.rst
index 42cdb0a9f786..96e0e85a822c 100644
--- a/Documentation/userspace-api/media/v4l/dev-sliced-vbi.rst
+++ b/Documentation/userspace-api/media/v4l/dev-sliced-vbi.rst
@@ -48,7 +48,7 @@ capabilities, and they may support :ref:`control` ioctls.
The :ref:`video standard <standard>` ioctls provide information vital
to program a sliced VBI device, therefore must be supported.
-.. _sliced-vbi-format-negotitation:
+.. _sliced-vbi-format-negotiation:
Sliced VBI Format Negotiation
=============================
@@ -377,7 +377,7 @@ Sliced VBI Data in MPEG Streams
If a device can produce an MPEG output stream, it may be capable of
providing
-:ref:`negotiated sliced VBI services <sliced-vbi-format-negotitation>`
+:ref:`negotiated sliced VBI services <sliced-vbi-format-negotiation>`
as data embedded in the MPEG stream. Users or applications control this
sliced VBI data insertion with the
:ref:`V4L2_CID_MPEG_STREAM_VBI_FMT <v4l2-mpeg-stream-vbi-fmt>`
diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-fm-rx.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-fm-rx.rst
index b6cfc0e823d2..ccd439e9e0e3 100644
--- a/Documentation/userspace-api/media/v4l/ext-ctrls-fm-rx.rst
+++ b/Documentation/userspace-api/media/v4l/ext-ctrls-fm-rx.rst
@@ -64,17 +64,12 @@ FM_RX Control IDs
broadcasts speech. If the transmitter doesn't make this distinction,
then it will be set.
-``V4L2_CID_TUNE_DEEMPHASIS``
- (enum)
-
-enum v4l2_deemphasis -
+``V4L2_CID_TUNE_DEEMPHASIS (enum)``
Configures the de-emphasis value for reception. A de-emphasis filter
is applied to the broadcast to accentuate the high audio
frequencies. Depending on the region, a time constant of either 50
- or 75 useconds is used. The enum v4l2_deemphasis defines possible
- values for de-emphasis. Here they are:
-
-
+ or 75 microseconds is used. The enum v4l2_deemphasis defines possible
+ values for de-emphasis. They are:
.. flat-table::
:header-rows: 0
diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-fm-tx.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-fm-tx.rst
index 04c997c9a4c3..cb40cf4cc3ec 100644
--- a/Documentation/userspace-api/media/v4l/ext-ctrls-fm-tx.rst
+++ b/Documentation/userspace-api/media/v4l/ext-ctrls-fm-tx.rst
@@ -104,7 +104,7 @@ FM_TX Control IDs
``V4L2_CID_AUDIO_LIMITER_RELEASE_TIME (integer)``
Sets the audio deviation limiter feature release time. Unit is in
- useconds. Step and range are driver-specific.
+ microseconds. Step and range are driver-specific.
``V4L2_CID_AUDIO_LIMITER_DEVIATION (integer)``
Configures audio frequency deviation level in Hz. The range and step
@@ -121,16 +121,16 @@ FM_TX Control IDs
range and step are driver-specific.
``V4L2_CID_AUDIO_COMPRESSION_THRESHOLD (integer)``
- Sets the threshold level for audio compression freature. It is a dB
+ Sets the threshold level for audio compression feature. It is a dB
value. The range and step are driver-specific.
``V4L2_CID_AUDIO_COMPRESSION_ATTACK_TIME (integer)``
- Sets the attack time for audio compression feature. It is a useconds
+ Sets the attack time for audio compression feature. It is a microseconds
value. The range and step are driver-specific.
``V4L2_CID_AUDIO_COMPRESSION_RELEASE_TIME (integer)``
Sets the release time for audio compression feature. It is a
- useconds value. The range and step are driver-specific.
+ microseconds value. The range and step are driver-specific.
``V4L2_CID_PILOT_TONE_ENABLED (boolean)``
Enables or disables the pilot tone generation feature.
@@ -143,17 +143,12 @@ FM_TX Control IDs
Configures pilot tone frequency value. Unit is in Hz. The range and
step are driver-specific.
-``V4L2_CID_TUNE_PREEMPHASIS``
- (enum)
-
-enum v4l2_preemphasis -
+``V4L2_CID_TUNE_PREEMPHASIS (enum)``
Configures the pre-emphasis value for broadcasting. A pre-emphasis
filter is applied to the broadcast to accentuate the high audio
frequencies. Depending on the region, a time constant of either 50
- or 75 useconds is used. The enum v4l2_preemphasis defines possible
- values for pre-emphasis. Here they are:
-
-
+ or 75 microseconds is used. The enum v4l2_preemphasis defines possible
+ values for pre-emphasis. They are:
.. flat-table::
:header-rows: 0
@@ -166,8 +161,6 @@ enum v4l2_preemphasis -
* - ``V4L2_PREEMPHASIS_75_uS``
- A pre-emphasis of 75 uS is used.
-
-
``V4L2_CID_TUNE_POWER_LEVEL (integer)``
Sets the output power level for signal transmission. Unit is in
dBuV. Range and step are driver-specific.
diff --git a/Documentation/userspace-api/media/v4l/pixfmt-srggb12p.rst b/Documentation/userspace-api/media/v4l/pixfmt-srggb12p.rst
index 7c3810ff783c..8c03aedcc00e 100644
--- a/Documentation/userspace-api/media/v4l/pixfmt-srggb12p.rst
+++ b/Documentation/userspace-api/media/v4l/pixfmt-srggb12p.rst
@@ -6,7 +6,7 @@
.. _v4l2-pix-fmt-sgrbg12p:
*******************************************************************************************************************************
-V4L2_PIX_FMT_SRGGB12P ('pRCC'), V4L2_PIX_FMT_SGRBG12P ('pgCC'), V4L2_PIX_FMT_SGBRG12P ('pGCC'), V4L2_PIX_FMT_SBGGR12P ('pBCC'),
+V4L2_PIX_FMT_SRGGB12P ('pRCC'), V4L2_PIX_FMT_SGRBG12P ('pgCC'), V4L2_PIX_FMT_SGBRG12P ('pGCC'), V4L2_PIX_FMT_SBGGR12P ('pBCC')
*******************************************************************************************************************************
@@ -20,7 +20,7 @@ Description
These four pixel formats are packed raw sRGB / Bayer formats with 12
bits per colour. Every two consecutive samples are packed into three
bytes. Each of the first two bytes contain the 8 high order bits of
-the pixels, and the third byte contains the four least significants
+the pixels, and the third byte contains the four least significant
bits of each pixel, in the same order.
Each n-pixel row contains n/2 green samples and n/2 blue or red
diff --git a/Documentation/userspace-api/media/v4l/pixfmt-srggb14p.rst b/Documentation/userspace-api/media/v4l/pixfmt-srggb14p.rst
index 3572e42adb22..f4f53d7dbdeb 100644
--- a/Documentation/userspace-api/media/v4l/pixfmt-srggb14p.rst
+++ b/Documentation/userspace-api/media/v4l/pixfmt-srggb14p.rst
@@ -24,7 +24,7 @@ These four pixel formats are packed raw sRGB / Bayer formats with 14
bits per colour. Every four consecutive samples are packed into seven
bytes. Each of the first four bytes contain the eight high order bits
of the pixels, and the three following bytes contains the six least
-significants bits of each pixel, in the same order.
+significant bits of each pixel, in the same order.
Each n-pixel row contains n/2 green samples and n/2 blue or red samples,
with alternating green-red and green-blue rows. They are conventionally
--
2.39.5
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