doc-rst: linux_tv: remove whitespaces
Let's remove bad whitespaces on the entire book.
That helps to avoid mixing whitespace removal with other
patches.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
diff --git a/Documentation/linux_tv/media/v4l/vidioc-g-tuner.rst b/Documentation/linux_tv/media/v4l/vidioc-g-tuner.rst
index 57a1481..eee4acf 100644
--- a/Documentation/linux_tv/media/v4l/vidioc-g-tuner.rst
+++ b/Documentation/linux_tv/media/v4l/vidioc-g-tuner.rst
@@ -82,8 +82,8 @@
- :cspan:`1`
- Name of the tuner, a NUL-terminated ASCII string. This information
- is intended for the user.
+ Name of the tuner, a NUL-terminated ASCII string. This information
+ is intended for the user.
- .. row 3
@@ -101,17 +101,17 @@
- :cspan:`1`
- Tuner capability flags, see :ref:`tuner-capability`. Audio flags
- indicate the ability to decode audio subprograms. They will *not*
- change, for example with the current video standard.
+ Tuner capability flags, see :ref:`tuner-capability`. Audio flags
+ indicate the ability to decode audio subprograms. They will *not*
+ change, for example with the current video standard.
- When the structure refers to a radio tuner the
- ``V4L2_TUNER_CAP_LANG1``, ``V4L2_TUNER_CAP_LANG2`` and
- ``V4L2_TUNER_CAP_NORM`` flags can't be used.
+ When the structure refers to a radio tuner the
+ ``V4L2_TUNER_CAP_LANG1``, ``V4L2_TUNER_CAP_LANG2`` and
+ ``V4L2_TUNER_CAP_NORM`` flags can't be used.
- If multiple frequency bands are supported, then ``capability`` is
- the union of all ``capability`` fields of each struct
- :ref:`v4l2_frequency_band <v4l2-frequency-band>`.
+ If multiple frequency bands are supported, then ``capability`` is
+ the union of all ``capability`` fields of each struct
+ :ref:`v4l2_frequency_band <v4l2-frequency-band>`.
- .. row 5
@@ -120,11 +120,11 @@
- ``rangelow``
- :cspan:`1` The lowest tunable frequency in units of 62.5 kHz, or
- if the ``capability`` flag ``V4L2_TUNER_CAP_LOW`` is set, in units
- of 62.5 Hz, or if the ``capability`` flag ``V4L2_TUNER_CAP_1HZ``
- is set, in units of 1 Hz. If multiple frequency bands are
- supported, then ``rangelow`` is the lowest frequency of all the
- frequency bands.
+ if the ``capability`` flag ``V4L2_TUNER_CAP_LOW`` is set, in units
+ of 62.5 Hz, or if the ``capability`` flag ``V4L2_TUNER_CAP_1HZ``
+ is set, in units of 1 Hz. If multiple frequency bands are
+ supported, then ``rangelow`` is the lowest frequency of all the
+ frequency bands.
- .. row 6
@@ -133,11 +133,11 @@
- ``rangehigh``
- :cspan:`1` The highest tunable frequency in units of 62.5 kHz,
- or if the ``capability`` flag ``V4L2_TUNER_CAP_LOW`` is set, in
- units of 62.5 Hz, or if the ``capability`` flag
- ``V4L2_TUNER_CAP_1HZ`` is set, in units of 1 Hz. If multiple
- frequency bands are supported, then ``rangehigh`` is the highest
- frequency of all the frequency bands.
+ or if the ``capability`` flag ``V4L2_TUNER_CAP_LOW`` is set, in
+ units of 62.5 Hz, or if the ``capability`` flag
+ ``V4L2_TUNER_CAP_1HZ`` is set, in units of 1 Hz. If multiple
+ frequency bands are supported, then ``rangehigh`` is the highest
+ frequency of all the frequency bands.
- .. row 7
@@ -147,63 +147,63 @@
- :cspan:`1`
- Some tuners or audio decoders can determine the received audio
- subprograms by analyzing audio carriers, pilot tones or other
- indicators. To pass this information drivers set flags defined in
- :ref:`tuner-rxsubchans` in this field. For example:
+ Some tuners or audio decoders can determine the received audio
+ subprograms by analyzing audio carriers, pilot tones or other
+ indicators. To pass this information drivers set flags defined in
+ :ref:`tuner-rxsubchans` in this field. For example:
- .. row 8
- -
- -
+ -
+ -
- ``V4L2_TUNER_SUB_MONO``
- receiving mono audio
- .. row 9
- -
- -
+ -
+ -
- ``STEREO | SAP``
- receiving stereo audio and a secondary audio program
- .. row 10
- -
- -
+ -
+ -
- ``MONO | STEREO``
- receiving mono or stereo audio, the hardware cannot distinguish
- .. row 11
- -
- -
+ -
+ -
- ``LANG1 | LANG2``
- receiving bilingual audio
- .. row 12
- -
- -
+ -
+ -
- ``MONO | STEREO | LANG1 | LANG2``
- receiving mono, stereo or bilingual audio
- .. row 13
- -
- -
+ -
+ -
- :cspan:`1`
- When the ``V4L2_TUNER_CAP_STEREO``, ``_LANG1``, ``_LANG2`` or
- ``_SAP`` flag is cleared in the ``capability`` field, the
- corresponding ``V4L2_TUNER_SUB_`` flag must not be set here.
+ When the ``V4L2_TUNER_CAP_STEREO``, ``_LANG1``, ``_LANG2`` or
+ ``_SAP`` flag is cleared in the ``capability`` field, the
+ corresponding ``V4L2_TUNER_SUB_`` flag must not be set here.
- This field is valid only if this is the tuner of the current video
- input, or when the structure refers to a radio tuner.
+ This field is valid only if this is the tuner of the current video
+ input, or when the structure refers to a radio tuner.
- .. row 14
@@ -213,15 +213,15 @@
- :cspan:`1`
- The selected audio mode, see :ref:`tuner-audmode` for valid
- values. The audio mode does not affect audio subprogram detection,
- and like a :ref:`control` it does not automatically
- change unless the requested mode is invalid or unsupported. See
- :ref:`tuner-matrix` for possible results when the selected and
- received audio programs do not match.
+ The selected audio mode, see :ref:`tuner-audmode` for valid
+ values. The audio mode does not affect audio subprogram detection,
+ and like a :ref:`control` it does not automatically
+ change unless the requested mode is invalid or unsupported. See
+ :ref:`tuner-matrix` for possible results when the selected and
+ received audio programs do not match.
- Currently this is the only field of struct
- :ref:`struct v4l2_tuner <v4l2-tuner>` applications can change.
+ Currently this is the only field of struct
+ :ref:`struct v4l2_tuner <v4l2-tuner>` applications can change.
- .. row 15
@@ -230,7 +230,7 @@
- ``signal``
- :cspan:`1` The signal strength if known, ranging from 0 to
- 65535. Higher values indicate a better signal.
+ 65535. Higher values indicate a better signal.
- .. row 16
@@ -239,7 +239,7 @@
- ``afc``
- :cspan:`1` Automatic frequency control: When the ``afc`` value
- is negative, the frequency is too low, when positive too high.
+ is negative, the frequency is too low, when positive too high.
- .. row 17
@@ -248,7 +248,7 @@
- ``reserved``\ [4]
- :cspan:`1` Reserved for future extensions. Drivers and
- applications must set the array to zero.
+ applications must set the array to zero.
@@ -266,7 +266,7 @@
- 1
- -
+ -
- .. row 2
@@ -274,7 +274,7 @@
- 2
- -
+ -
- .. row 3
@@ -282,7 +282,7 @@
- 4
- -
+ -
- .. row 4
@@ -290,7 +290,7 @@
- 5
- -
+ -
@@ -309,7 +309,7 @@
- 0x0001
- When set, tuning frequencies are expressed in units of 62.5 Hz
- instead of 62.5 kHz.
+ instead of 62.5 kHz.
- .. row 2
@@ -318,14 +318,14 @@
- 0x0002
- This is a multi-standard tuner; the video standard can or must be
- switched. (B/G PAL tuners for example are typically not considered
- multi-standard because the video standard is automatically
- determined from the frequency band.) The set of supported video
- standards is available from the struct
- :ref:`v4l2_input <v4l2-input>` pointing to this tuner, see the
- description of ioctl :ref:`VIDIOC_ENUMINPUT`
- for details. Only ``V4L2_TUNER_ANALOG_TV`` tuners can have this
- capability.
+ switched. (B/G PAL tuners for example are typically not considered
+ multi-standard because the video standard is automatically
+ determined from the frequency band.) The set of supported video
+ standards is available from the struct
+ :ref:`v4l2_input <v4l2-input>` pointing to this tuner, see the
+ description of ioctl :ref:`VIDIOC_ENUMINPUT`
+ for details. Only ``V4L2_TUNER_ANALOG_TV`` tuners can have this
+ capability.
- .. row 3
@@ -334,8 +334,8 @@
- 0x0004
- If set, then this tuner supports the hardware seek functionality
- where the seek stops when it reaches the end of the frequency
- range.
+ where the seek stops when it reaches the end of the frequency
+ range.
- .. row 4
@@ -344,8 +344,8 @@
- 0x0008
- If set, then this tuner supports the hardware seek functionality
- where the seek wraps around when it reaches the end of the
- frequency range.
+ where the seek wraps around when it reaches the end of the
+ frequency range.
- .. row 5
@@ -362,10 +362,10 @@
- 0x0040
- Reception of the primary language of a bilingual audio program is
- supported. Bilingual audio is a feature of two-channel systems,
- transmitting the primary language monaural on the main audio
- carrier and a secondary language monaural on a second carrier.
- Only ``V4L2_TUNER_ANALOG_TV`` tuners can have this capability.
+ supported. Bilingual audio is a feature of two-channel systems,
+ transmitting the primary language monaural on the main audio
+ carrier and a secondary language monaural on a second carrier.
+ Only ``V4L2_TUNER_ANALOG_TV`` tuners can have this capability.
- .. row 7
@@ -374,8 +374,8 @@
- 0x0020
- Reception of the secondary language of a bilingual audio program
- is supported. Only ``V4L2_TUNER_ANALOG_TV`` tuners can have this
- capability.
+ is supported. Only ``V4L2_TUNER_ANALOG_TV`` tuners can have this
+ capability.
- .. row 8
@@ -384,15 +384,15 @@
- 0x0020
- Reception of a secondary audio program is supported. This is a
- feature of the BTSC system which accompanies the NTSC video
- standard. Two audio carriers are available for mono or stereo
- transmissions of a primary language, and an independent third
- carrier for a monaural secondary language. Only
- ``V4L2_TUNER_ANALOG_TV`` tuners can have this capability.
+ feature of the BTSC system which accompanies the NTSC video
+ standard. Two audio carriers are available for mono or stereo
+ transmissions of a primary language, and an independent third
+ carrier for a monaural secondary language. Only
+ ``V4L2_TUNER_ANALOG_TV`` tuners can have this capability.
- Note the ``V4L2_TUNER_CAP_LANG2`` and ``V4L2_TUNER_CAP_SAP`` flags
- are synonyms. ``V4L2_TUNER_CAP_SAP`` applies when the tuner
- supports the ``V4L2_STD_NTSC_M`` video standard.
+ Note the ``V4L2_TUNER_CAP_LANG2`` and ``V4L2_TUNER_CAP_SAP`` flags
+ are synonyms. ``V4L2_TUNER_CAP_SAP`` applies when the tuner
+ supports the ``V4L2_STD_NTSC_M`` video standard.
- .. row 9
@@ -401,7 +401,7 @@
- 0x0080
- RDS capture is supported. This capability is only valid for radio
- tuners.
+ tuners.
- .. row 10
@@ -426,7 +426,7 @@
- 0x0400
- The :ref:`VIDIOC_ENUM_FREQ_BANDS`
- ioctl can be used to enumerate the available frequency bands.
+ ioctl can be used to enumerate the available frequency bands.
- .. row 13
@@ -435,9 +435,9 @@
- 0x0800
- The range to search when using the hardware seek functionality is
- programmable, see
- :ref:`VIDIOC_S_HW_FREQ_SEEK` for
- details.
+ programmable, see
+ :ref:`VIDIOC_S_HW_FREQ_SEEK` for
+ details.
- .. row 14
@@ -446,7 +446,7 @@
- 0x1000
- When set, tuning frequencies are expressed in units of 1 Hz
- instead of 62.5 kHz.
+ instead of 62.5 kHz.
@@ -481,8 +481,8 @@
- 0x0008
- The tuner receives the primary language of a bilingual audio
- signal. Drivers must clear this flag when the current video
- standard is ``V4L2_STD_NTSC_M``.
+ signal. Drivers must clear this flag when the current video
+ standard is ``V4L2_STD_NTSC_M``.
- .. row 4
@@ -491,7 +491,7 @@
- 0x0004
- The tuner receives the secondary language of a bilingual audio
- signal (or a second audio program).
+ signal (or a second audio program).
- .. row 5
@@ -500,9 +500,9 @@
- 0x0004
- The tuner receives a Second Audio Program. Note the
- ``V4L2_TUNER_SUB_LANG2`` and ``V4L2_TUNER_SUB_SAP`` flags are
- synonyms. The ``V4L2_TUNER_SUB_SAP`` flag applies when the current
- video standard is ``V4L2_STD_NTSC_M``.
+ ``V4L2_TUNER_SUB_LANG2`` and ``V4L2_TUNER_SUB_SAP`` flags are
+ synonyms. The ``V4L2_TUNER_SUB_SAP`` flag applies when the current
+ video standard is ``V4L2_STD_NTSC_M``.
- .. row 6
@@ -529,8 +529,8 @@
- 0
- Play mono audio. When the tuner receives a stereo signal this a
- down-mix of the left and right channel. When the tuner receives a
- bilingual or SAP signal this mode selects the primary language.
+ down-mix of the left and right channel. When the tuner receives a
+ bilingual or SAP signal this mode selects the primary language.
- .. row 2
@@ -539,14 +539,14 @@
- 1
- Play stereo audio. When the tuner receives bilingual audio it may
- play different languages on the left and right channel or the
- primary language is played on both channels.
+ play different languages on the left and right channel or the
+ primary language is played on both channels.
- Playing different languages in this mode is deprecated. New
- drivers should do this only in ``MODE_LANG1_LANG2``.
+ Playing different languages in this mode is deprecated. New
+ drivers should do this only in ``MODE_LANG1_LANG2``.
- When the tuner receives no stereo signal or does not support
- stereo reception the driver shall fall back to ``MODE_MONO``.
+ When the tuner receives no stereo signal or does not support
+ stereo reception the driver shall fall back to ``MODE_MONO``.
- .. row 3
@@ -555,7 +555,7 @@
- 3
- Play the primary language, mono or stereo. Only
- ``V4L2_TUNER_ANALOG_TV`` tuners support this mode.
+ ``V4L2_TUNER_ANALOG_TV`` tuners support this mode.
- .. row 4
@@ -564,9 +564,9 @@
- 2
- Play the secondary language, mono. When the tuner receives no
- bilingual audio or SAP, or their reception is not supported the
- driver shall fall back to mono or stereo mode. Only
- ``V4L2_TUNER_ANALOG_TV`` tuners support this mode.
+ bilingual audio or SAP, or their reception is not supported the
+ driver shall fall back to mono or stereo mode. Only
+ ``V4L2_TUNER_ANALOG_TV`` tuners support this mode.
- .. row 5
@@ -575,11 +575,11 @@
- 2
- Play the Second Audio Program. When the tuner receives no
- bilingual audio or SAP, or their reception is not supported the
- driver shall fall back to mono or stereo mode. Only
- ``V4L2_TUNER_ANALOG_TV`` tuners support this mode. Note the
- ``V4L2_TUNER_MODE_LANG2`` and ``V4L2_TUNER_MODE_SAP`` are
- synonyms.
+ bilingual audio or SAP, or their reception is not supported the
+ driver shall fall back to mono or stereo mode. Only
+ ``V4L2_TUNER_ANALOG_TV`` tuners support this mode. Note the
+ ``V4L2_TUNER_MODE_LANG2`` and ``V4L2_TUNER_MODE_SAP`` are
+ synonyms.
- .. row 6
@@ -588,10 +588,10 @@
- 4
- Play the primary language on the left channel, the secondary
- language on the right channel. When the tuner receives no
- bilingual audio or SAP, it shall fall back to ``MODE_LANG1`` or
- ``MODE_MONO``. Only ``V4L2_TUNER_ANALOG_TV`` tuners support this
- mode.
+ language on the right channel. When the tuner receives no
+ bilingual audio or SAP, it shall fall back to ``MODE_LANG1`` or
+ ``MODE_MONO``. Only ``V4L2_TUNER_ANALOG_TV`` tuners support this
+ mode.
@@ -604,7 +604,7 @@
- .. row 1
- -
+ -
- :cspan:`5` Selected ``V4L2_TUNER_MODE_``
- .. row 2