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/linux/Documentation/devicetree/bindings/iio/proximity/
H A Ddevantech-srf04.yaml7 title: Devantech SRF04 and Maxbotix mb1000 ultrasonic range finder
14 - trigger-gpio is raised by the driver to start sending out an ultrasonic
16 - echo-gpio is held high by the sensor after sending ultrasonic burst
46 This GPIO is set by the device as soon as an ultrasonic burst is sent
48 Thus this GPIO is set while the ultrasonic waves are doing one round
H A Dmaxbotix,mb1232.yaml7 title: MaxBotix I2CXL-MaxSonar ultrasonic distance sensor
13 MaxBotix I2CXL-MaxSonar ultrasonic distance sensor of type mb1202,
/linux/drivers/iio/proximity/
H A DKconfig96 tristate "MaxSonar I2CXL family ultrasonic sensors"
101 Say Y to build a driver for the ultrasonic sensors I2CXL of
118 - Parallax PING))) (ultrasonic)
135 tristate "GPIO bitbanged ultrasonic ranger sensor (SRF04, MB1000)"
138 Say Y here to build a driver for GPIO bitbanged ultrasonic
213 tristate "Devantech SRF02/SRF08/SRF10 ultrasonic ranger sensor"
219 ultrasonic ranger sensors with i2c interface.
/linux/sound/soc/codecs/
H A Dcs48l32.c117 "Ultrasonic 1",
118 "Ultrasonic 2",
178 0x0D8, /* Ultrasonic 1 */
179 0x0D9, /* Ultrasonic 2 */
517 SOC_DAPM_ENUM("Ultrasonic 1 Input", cs48l32_us_inmux_enum[0]),
518 SOC_DAPM_ENUM("Ultrasonic 2 Input", cs48l32_us_inmux_enum[1]),
2588 CS48L32_RATE_ENUM("Ultrasonic 1 Rate", cs48l32_us_output_rate[0]),
2589 CS48L32_RATE_ENUM("Ultrasonic 2 Rate", cs48l32_us_output_rate[1]),
2591 SOC_ENUM("Ultrasonic 1 Freq", cs48l32_us_freq[0]),
2592 SOC_ENUM("Ultrasonic 2 Freq", cs48l32_us_freq[1]),
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H A Dcs48l32.h288 { name, "Ultrasonic 1", "Ultrasonic 1" }, \
289 { name, "Ultrasonic 2", "Ultrasonic 2" }, \
H A Dtas2781-fmwlib.c167 * ultrasonic application. In order to support these variable-numbers in tasdevice_add_config()
/linux/include/linux/mfd/
H A Dsi476x-reports.h67 * @usn: Ultrasonic Noise Inticator in -DBFS
/linux/Documentation/admin-guide/media/
H A Dsi476x.rst149 0x25 usn Ultrasonic noise indicator