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/Linux-v5.4/Documentation/devicetree/bindings/iio/adc/
Dsigma-delta-modulator.txt1 Device-Tree bindings for sigma delta modulator
4 - compatible: should be "ads1201", "sd-modulator". "sd-modulator" can be use
5 as a generic SD modulator if modulator not specified in compatible list.
11 compatible = "sd-modulator";
Dst,stm32-dfsdm-adc.txt64 modulator or internal ADC output to DFSDM channel.
86 - st,adc-alt-channel: Must be defined if two sigma delta modulator are
/Linux-v5.4/Documentation/media/uapi/v4l/
Dtuner.rst53 set or video recorder. Each modulator is associated with one or more
55 modulator. The ``type`` field of the respective struct
58 ``V4L2_OUTPUT_TYPE_MODULATOR`` and its ``modulator`` field contains the
59 index number of the modulator.
61 Radio output devices have exactly one modulator with index zero, no
64 A video or radio device cannot support both a tuner and a modulator. Two
66 supports the tuner functionality and one that supports the modulator
69 cannot specify whether the frequency is for a tuner or a modulator.
71 To query and change modulator properties applications use the
74 :ref:`VIDIOC_S_MODULATOR <VIDIOC_G_MODULATOR>` does not switch the current modulator, when there
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Dvidioc-g-frequency.rst19 VIDIOC_G_FREQUENCY - VIDIOC_S_FREQUENCY - Get or set tuner or modulator radio frequency
45 To get the current tuner or modulator radio frequency applications set
48 modulator number (only input devices have tuners, only output devices
53 To change the current tuner or modulator radio frequency applications
73 - The tuner or modulator index number. This is the same value as in
76 the struct :c:type:`v4l2_output` ``modulator`` field
Dvidioc-enum-freq-bands.rst42 Enumerates the frequency bands that a tuner or modulator supports. To do
49 of the corresponding tuner/modulator is set.
63 - The tuner or modulator index number. This is the same value as in
66 the struct :c:type:`v4l2_output` ``modulator`` field
82 - :cspan:`2` The tuner/modulator capability flags for this
86 tuner/modulator. So either all bands have that capability set, or
Dvidioc-g-modulator.rst19 VIDIOC_G_MODULATOR - VIDIOC_S_MODULATOR - Get or set modulator attributes
45 To query the attributes of a modulator applications initialize the
62 :ref:`SDR <sdr>` specific modulator types are ``V4L2_TUNER_SDR`` and
64 initialized to zero. The term 'modulator' means SDR transmitter in this
82 - Identifies the modulator, set by the application.
85 - Name of the modulator, a NUL-terminated ASCII string.
111 :ref:`modulator-txsubchans`.
123 - :cspan:`2` Type of the modulator, see :c:type:`v4l2_tuner_type`.
Dvidioc-enumoutput.rst87 - ``modulator``
90 and this field identifies the modulator. It corresponds to struct
120 - This output is an analog TV modulator.
123 - Any non-modulator video output, for example Composite Video,
Ddev-radio.rst39 the :ref:`tuner or modulator <tuner>` ioctls.
52 Further all radio devices have one tuner or modulator (these are
Duser-func.rst54 vidioc-g-modulator
Dvidioc-querycap.rst235 - The device has some sort of modulator to emit RF-modulated
236 video/audio signals. For more information about modulator
Ddev-output.rst47 :ref:`modulator <tuner>`, :ref:`controls <control>`,
Ddev-rds.rst64 :ref:`VIDIOC_QUERYCAP` ioctl. Any modulator that
Ddev-raw-vbi.rst52 devices may or may not have a tuner or modulator.
59 :ref:`tuner or modulator <tuner>`, and :ref:`controls <control>`
Dv4l2.rst269 Finalized the RDS capture API. Added modulator and RDS encoder
Ddev-sliced-vbi.rst47 supported. Sliced VBI devices may have a tuner or modulator.
54 and :ref:`tuner or modulator <tuner>` ioctls if they have these
Dcontrol.rst41 video input or output, tuner or modulator, or audio input or output.
Dhist-v4l2.rst375 ``modulator`` and ``std`` where added instead.
401 tuner or modulator index number. A tuner ``type`` field was added
Ddiff-v4l.rst102 - The device has a :ref:`tuner or modulator <tuner>`.
/Linux-v5.4/drivers/media/radio/
Dradio-wl1273.c1721 const struct v4l2_modulator *modulator) in wl1273_fm_vidioc_s_modulator() argument
1729 if (modulator->index > 0) in wl1273_fm_vidioc_s_modulator()
1739 if (modulator->txsubchans & V4L2_TUNER_SUB_RDS) in wl1273_fm_vidioc_s_modulator()
1744 if (modulator->txsubchans & V4L2_TUNER_SUB_MONO) in wl1273_fm_vidioc_s_modulator()
1759 struct v4l2_modulator *modulator) in wl1273_fm_vidioc_g_modulator() argument
1768 strscpy(modulator->name, WL1273_FM_DRIVER_NAME, in wl1273_fm_vidioc_g_modulator()
1769 sizeof(modulator->name)); in wl1273_fm_vidioc_g_modulator()
1771 modulator->rangelow = WL1273_FREQ(WL1273_BAND_JAPAN_LOW); in wl1273_fm_vidioc_g_modulator()
1772 modulator->rangehigh = WL1273_FREQ(WL1273_BAND_OTHER_HIGH); in wl1273_fm_vidioc_g_modulator()
1774 modulator->capability = V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_RDS | in wl1273_fm_vidioc_g_modulator()
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/Linux-v5.4/Documentation/devicetree/bindings/leds/backlight/
Dpm8941-wled.txt13 - qcom,ext-gen: bool; use externally generated modulator signal to dim
/Linux-v5.4/Documentation/networking/
Dbaycom.txt41 of a modulator/demodulator chip, usually a TI TCM3105. The computer
/Linux-v5.4/drivers/iio/adc/
DKconfig771 tristate "Generic sigma delta modulator"
776 Select this option to enables sigma delta modulator. This driver can
829 Select this option to support ADCSigma delta modulator for
/Linux-v5.4/include/uapi/linux/
Dvideodev2.h1643 __u32 modulator; /* Associated modulator */ member
/Linux-v5.4/drivers/media/v4l2-core/
Dv4l2-ioctl.c236 p->modulator, (unsigned long long)p->std, p->capabilities); in v4l_print_enumoutput()
/Linux-v5.4/Documentation/media/v4l-drivers/
Dvivid.rst1044 the FM modulator.