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Alexander Arndt
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Andreas Findeklee afindeklee
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Annette Kobou akobou
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Armin Mück amueck
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Daniel Ehrler dehrler
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Devran Ölcer doelcer
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Dieter Scheufele dscheufele
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Dietmar Kolbus dkolbus
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Dominik Wurster Wurster
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Eberhard Stoll estoll
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Florian Mayer fmayer
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Frieder Schrempf
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Julian Bauknecht jbauknecht
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Jó Bitsch jbitsch
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Jürgen Kling
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Klemenz Christof kchristof
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Lukas Loosli lloosli
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Marc Gonser mgonser
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Markus Abegg mabegg
- Feb 02, 2019
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Stefan Popa authored
The ad7768-1 is a single channel, precision 24-bit analog to digital converter (ADC). This basic patch configures the device in fast mode, with 32 kSPS and leaves the default sinc5 filter. Two data conversion modes are made available. When data is retrieved by using the read_raw attribute, one shot single conversion mode is set. The continuous conversion mode is enabled when the triggered buffer mechanism is used. To assure correct data retrieval, the driver waits for the interrupt triggered by the low to high transition of the DRDY pin. Datasheets: Link: https://www.analog.com/media/en/technical-documentation/data-sheets/ad7768-1.pdf Signed-off-by:
Stefan Popa <stefan.popa@analog.com> Signed-off-by:
Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Alexandru Ardelean authored
The AD7153 part has been obsoleted for some time. The AD7152 part will be obsolete in the coming future. Moving it out of staging doesn't make sense anymore. Which makes the driver enter a limbo state. This patch removes the driver completely, so that no effort is placed on it, allowing people to focus on other parts that will still be around. Signed-off-by:
Alexandru Ardelean <alexandru.ardelean@analog.com> Signed-off-by:
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Randolph Maaßen authored
The Invensense ICM-20602 is a 6-axis MotionTracking device that combines a 3-axis gyroscope and an 3-axis accelerometer. It is very similar to the ICM-20608 imu which is already supported by the mpu6050 driver. The main difference is that the ICM-20602 has the i2c bus disable bit in a separate register. Signed-off-by:
Randolph Maaßen <gaireg@gaireg.de> Signed-off-by:
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Randolph Maaßen authored
Adding the invensense ICM-20602 to the compatible list of the mpu6050 driver Signed-off-by:
Rob Herring <robh@kernel.org> Signed-off-by:
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Lorenzo Bianconi authored
Fix following checkpatch warnings: WARNING: DT compatible string "st,lps22hh" appears un-documented -- check ./Documentation/devicetree/bindings/ .compatible = "st,lps22hh", WARNING: DT compatible string "st,lps22hh" appears un-documented -- check ./Documentation/devicetree/bindings/ .compatible = "st,lps22hh", Fixes: e5aab7b0 ("iio:st_pressure:initial lps22hh sensor support") Signed-off-by:
Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by:
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Daniel Drake authored
Platform-specific ST accelerometer mount matrix information can be provided by returning a package of 6 integers from the ACPI _ONT method. This has been seen on Acer products such as Veriton Z4860G, Z6860G and A890, which include a ST SMO8840 sensor. We have also confirmed experimentally that the Windows driver uses such information. The _ONT data format was explained by a ST vendor contact. However, strangely enough, the _ONT transformations must be applied after first applying another mount matrix which we determined experimentally. ST have not commented on why this is the case, but we imagine that perhaps earlier devices (before _ONT was introduced) required this translation and hence it became 'standard.' Interpret the _ONT data and export the equivalent mount matrix to userspace. If no _ONT data is present, no mount matrix is exported. Signed-off-by:
Daniel Drake <drake@endlessm.com> Signed-off-by:
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- Jan 19, 2019
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Tomer Maimon authored
Add Nuvoton NPCM BMC Analog-to-Digital Converter(ADC) driver. The NPCM ADC is a 10-bit converter for eight channel inputs. Signed-off-by:
Tomer Maimon <tmaimon77@gmail.com> Signed-off-by:
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Tomer Maimon authored
Added device tree binding documentation for Nuvoton BMC NPCM Analog-to-Digital Converter(ADC). Signed-off-by:
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Tomasz Duszynski authored
Sensor can periodically trigger self cleaning. Period can be changed by writing a new value to a dedicated attribute. Upon attribute read current period gets returned. Signed-off-by:
Tomasz Duszynski <tduszyns@gmail.com> Signed-off-by:
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Sebastien Bourdelin authored
BME680 is a pressure/temperature/humidity/voc sensor. Signed-off-by:
Sebastien Bourdelin <sebastien.bourdelin@gmail.com> Acked-by:
Himanshu Jha <himanshujha199640@gmail.com> Reviewed-by:
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Sebastien Bourdelin authored
This commit allow the driver to work with device-tree. Signed-off-by:
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mario tesi authored
Initial support for ST LPS22HH pressure sensor. Datasheet: http://www2.st.com/resource/en/datasheet/lps22hh.pdf Features: * pressure, temperature data and timestamping channels * sampling frequency selection [1..200] Hz * interrupt based trigger * over I2C or SPI interface Signed-off-by:
mario tesi <mario.tesi@st.com> Acked-by:
Denis Ciocca <denis.ciocca@st.com> Signed-off-by:
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- Jan 12, 2019
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Anson Huang authored
The accelerometer's power supply could be controllable on some platforms, such as i.MX6Q-SABRESD board, the mma8451's power supplies are controlled by a GPIO fixed regulator, need to make sure the regulators are enabled before any communication with mma8451, this patch adds vdd/vddio regulator operation support. Signed-off-by:
Anson Huang <Anson.Huang@nxp.com> Acked-by:
Martin Kepplinger <martink@posteo.de> Signed-off-by:
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Anson Huang authored
The accelerometer's power supplies could be controllable on some platforms, add property "vdd/vddio" power supply to let device tree to pass phandles to the regulators to driver. Signed-off-by:
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Anson Huang authored
The light sensor's power supply could be controllable by regulator on some platforms, such as i.MX6Q-SABRESD board, the light sensor isl29023's power supply is controlled by a GPIO fixed regulator, need to make sure the regulator is enabled before any operation of sensor, this patch adds vcc regulator operation support. Signed-off-by:
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Anson Huang authored
The magnetometer's power supplies could be controllable on some platforms, such as i.MX6Q-SABRESD board, the mag3110's power supplies are controlled by a GPIO fixed regulator, need to make sure the regulators are enabled before any communication with mag3110, this patch adds vdd/vddio regulator operation support. Signed-off-by:
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Mircea Caprioru authored
The AD5674R/AD5679R are low power, 16-channel, 12-/16-bit buffered voltage output digital-to-analog converters (DACs). They include a 2.5 V internal reference (enabled by default). These devices are very similar to AD5684R/AD5686R, except that they have 16 channels. Signed-off-by:
Mircea Caprioru <mircea.caprioru@analog.com> Signed-off-by:
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Dan Murphy authored
Introduce the TI ADS124S08 and the ADS124S06 ADC devices from TI. The ADS124S08 is the 12 channel ADC and the ADS124S06 is the 6 channel ADC device These devices share a common datasheet: http://www.ti.com/lit/gpn/ads124s08 Signed-off-by:
Dan Murphy <dmurphy@ti.com> Signed-off-by:
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Dan Murphy authored
Adding binding documentation for Texas Instruments ADS124S08 and ADS124S06 ADC. S08 is a 12 channel ADC S06 is a 6 channel ADC Datesheet can be found here: http://www.ti.com/lit/gpn/ads124s08 Signed-off-by:
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- Jan 05, 2019
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Jeremy Fertic authored
The lsb calculation is not masking the correct bits from the user input. Subtract 1 from (1 << offset) to correctly set up the mask to be applied to user input. The lsb register stores its value starting at the bit 7 position. adt7316_store_DAC() currently assumes the value is at the other end of the register. Shift the lsb value before storing it in a new variable lsb_reg, and write this variable to the lsb register. Fixes: 35f6b6b8 ("staging: iio: new ADT7316/7/8 and ADT7516/7/9 driver") Signed-off-by:
Jeremy Fertic <jeremyfertic@gmail.com> Signed-off-by:
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Jeremy Fertic authored
The calculation of the current dac value is using the wrong bits of the dac lsb register. Create two macros to shift the lsb register value into lsb position, depending on whether the dac is 10 or 12 bit. Initialize data to 0 so, with an 8 bit dac, the msb register value can be bitwise ORed with data. Fixes: 35f6b6b8 ("staging: iio: new ADT7316/7/8 and ADT7516/7/9 driver") Signed-off-by:
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Jeremy Fertic authored
The adt7316/7 and adt7516/7 have the option to output voltage proportional to temperature on dac a and/or dac b. The default dac resolution in this mode is 8 bits with the dac high resolution option enabling 10 bits. None of these settings affect dacs c and d. Remove the "1 (12 bits)" output from the show function since that is not an option for this mode. Return "1 (10 bits)" if the device is one of the above mentioned chips and the dac high resolution mode is enabled. In the store function, the driver currently allows the user to write to the ADT7316_DA_HIGH_RESOLUTION bit regardless of the device in use. Add a check to return an error in the case of an adt7318 or adt7519. Remove the else statement that clears the ADT7316_DA_HIGH_RESOLUTION bit. Instead, clear it before conditionally enabling it, depending on user input. This matches the typical pattern in the driver when an attribute is a boolean. Fixes: 35f6b6b8 ("staging: iio: new ADT7316/7/8 and ADT7516/7/9 driver") Signed-off-by:
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Jeremy Fertic authored
The value of dac_bits is used in adt7316_show_DAC() and adt7316_store_DAC(), and it should be either 8, 10, or 12 bits depending on the device in use. The driver currently only assigns a value to dac_bits in adt7316_store_da_high_resolution(). The purpose of the dac high resolution option is not to change dac resolution for normal operation. Instead, it is specific to an optional feature where one or two of the four dacs can be set to output voltage proportional to temperature. If the user chooses to set dac a and/or dac b to output voltage proportional to temperature, the da_high_resolution attribute can optionally be enabled to use 10 bit resolution rather than the default 8 bits. This is only available on the 10 and 12 bit dac devices. If the user attempts to read or write dacs a or b under these settings, the driver's current behaviour is to return an error. Dacs c and d continue to operate normally under these conditions. With the above in mind, remove the dac_bits assignments from this function since the value of dac_bits as used in the driver is not dependent on this dac high resolution option. Since the dac_bits assignments discussed above are currently the only ones in this driver, the default value of dac_bits is 0. This results in incorrect calculations when the dacs are read or written in adt7316_show_DAC() and adt7316_store_DAC(). To correct this, assign a value to dac_bits in adt7316_probe() to ensure correct operation as soon as the device is registered and available to userspace. Fixes: 35f6b6b8 ("staging: iio: new ADT7316/7/8 and ADT7516/7/9 driver") Signed-off-by:
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Aditya Pakki authored
In function xadc_probe, xadc_write_adc_reg can return an error value when write fails. The fix checks for the return value consistent with other invocations of the latter function. Signed-off-by:
Aditya Pakki <pakki001@umn.edu> Reviewed-by:
Michal Simek <michal.simek@xilinx.com> Signed-off-by:
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Martin Blumenstingl authored
Meson8b and Meson8m2 use the same logic to convert the ADC register value to celsius, which is different from Meson8: - Meson8 has different multiplier and divider values - Meson8 uses a 4-bit TSC (temperature sensor coefficient) which fits into the 4-bit field in the MESON_SAR_ADC_DELTA_10 register: MESON_SAR_ADC_DELTA_10_TS_C_MASK. Meson8b and Meson8m2 have a 5-bit TSC which requires writing the upper-most bit into the MESON_HHI_DPLL_TOP_0[9] register from the HHI register area. This adds support for the temperature sensor on the Meson8b and Meson8m2 SoCs by implementing the logic to write the upper-most TSC bit into the HHI register area. The SoC-specific values (temperature_trimming_bits, temperature_multiplier, temperature_divider) are added - these simply integrate into the existing infrastructure (which was implemented for Meson8) and thus require no further changes to the existing temperature calculation logic. Signed-off-by:
Martin Blumenstingl <martin.blumenstingl@googlemail.com> Signed-off-by:
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Martin Blumenstingl authored
Meson8b and Meson8m2 use a 5-bit wide TSC (temperature sensor coefficient). The SAR ADC registers however can only store (the lower) 4 bits. The fifth (upper-most) bit is stored inside the MESON_HHI_DPLL_TOP_0[9] register from the HHI register area. This adds a syscon property to the HHI register area so a driver can fetch the HHI register map and store the fifth TSC bit in there. Signed-off-by:
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Stefan Popa authored
Document support for AD7606 Analog to Digital Converter. Signed-off-by:
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Stefan Popa authored
Move ad7606 ADC driver out of staging and into the mainline. Signed-off-by:
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Stefan Popa authored
* Placed includes in alphabetical order * Added brackets around num and mask through out for AD760X_CHANNEL * Used single line comments where needed * Removed extra lines and spaces Signed-off-by:
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Stefan Popa authored
This patch replaces the use of a polling ring buffer with a threaded interrupt. Enabling the buffer sets the CONVST signal to high. When the rising edge of the CONVST is applied, BUSY signal goes logic high and transitions low at the end of the entire conversion process. The falling edge of the BUSY signal triggers the interrupt. ad7606_trigger_handler() is used as bottom half of the poll function. It reads data from the device and stores it in the internal buffer. Signed-off-by:
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Stefan Popa authored
This patch replaces the license text at the top of ad7606 driver files and instead adds SPDX GPL-2.0 license identifier. Signed-off-by:
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Stefan Popa authored
There is no point in having three menu entries that can be selected individually. Instead, the SPI and parallel interfaces should select AD7606. Signed-off-by:
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Kangjie Lu authored
If ad9523_write() fails, indio_dev may get incorrect data. The fix inserts a check for the return value of ad9523_write(), and it fails, returns an error. Signed-off-by:
Kangjie Lu <kjlu@umn.edu> Signed-off-by:
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Tomasz Duszynski authored
Self cleaning is especially useful in cases where sensor undergoes frequent power on/off cycles. In such scenarios it is recommended to turn self cleaning at least once per week in order to maintain reliable measurements. Self cleaning is activated by writing 1 to a dedicated attribute. Internal fan accelerates to its maximum speed and keeps spinning for about 10 seconds blowing out accumulated dust. Signed-off-by:
Andreas Brauchli <andreas.brauchli@sensirion.com> Signed-off-by:
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- Dec 22, 2018
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YueHaibing authored
Fixes gcc '-Wunused-but-set-variable' warning: drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_shub.c: In function 'st_lsm6dsx_shub_read_reg': drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_shub.c:108:41: warning: variable 'hub_settings' set but not used [-Wunused-but-set-variable] It never used since introduction in commit c91c1c84 ("iio: imu: st_lsm6dsx: add i2c embedded controller support") Signed-off-by:
YueHaibing <yuehaibing@huawei.com> Acked-by:
Lorenzo Bianconi <lorenzo.bianconi83@gmail.com> Signed-off-by:
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Stefan Popa authored
The driver does not have a struct of_device_id table, but supported devices are registered via Device Trees. This patch adds and OF device ID table. Signed-off-by:
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Stefan Popa authored
The 'adi' vendor prefix needs to be added to conversion-start, range, first-data and oversampling-ratio properties. Signed-off-by:
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Stefan Popa authored
When looking for the available scale or oversampling ratio, it is better to use the find_closest() macro. This simplifies the code and also does not require an exact value to be entered from the user space. Signed-off-by:
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Stefan Popa authored
Switch to devm version of request_irq, iio_triggered_buffer_setup, iio_device_register. To avoid potential ordering issues in probe, devm_add_action_or_reset() is used for the regulator_disable(). This simplifies the code and decreases the chance of bugs. Signed-off-by:
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Stefan Popa authored
This patch replaces the use of wait_event_interruptible() with wait_for_completion_timeout() when reading the result of a single conversion. In this way, if the interrupt never occurs, the program will not remain blocked. Signed-off-by:
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