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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
- Jan 05, 2019
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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:
Jeremy Fertic <jeremyfertic@gmail.com> Signed-off-by:
Jonathan Cameron <Jonathan.Cameron@huawei.com>
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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:
Rob Herring <robh@kernel.org> Signed-off-by:
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Stefan Popa authored
Document support for AD7606 Analog to Digital Converter. Signed-off-by:
Stefan Popa <stefan.popa@analog.com> Reviewed-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:
Tomasz Duszynski <tduszyns@gmail.com> Tested-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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Andreas Brauchli authored
Add device tree support for Sensirion SGP30/SGPC3 gas sensors. Signed-off-by:
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- Dec 16, 2018
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Andreas Brauchli authored
Support Sensirion SGP30 and SGPC3 multi-pixel I2C gas sensors Supported Features: * Indoor Air Quality (IAQ) concentrations for - tVOC (in_concentration_voc_input) - CO2eq (in_concentration_co2_input) - SGP30 only IAQ concentrations are periodically read out by a background thread to allow the sensor to maintain its internal baseline. * Gas concentration signals - Ethanol (in_concentration_ethanol_raw) - H2 (in_concentration_h2_raw) - SGP30 only https://www.sensirion.com/file/datasheet_sgp30 https://www.sensirion.com/file/datasheet_sgpc3 Signed-off-by:
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Andreas Brauchli authored
Add ethanol and H2 gas modifiers: * IIO_MOD_ETHANOL * IIO_MOD_H2 Signed-off-by:
Matt Ranostay <matt.ranostay@konsulko.com> Signed-off-by:
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Tomasz Duszynski authored
Add device tree support for Sensirion SPS30 particulate matter sensor. Signed-off-by:
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Tomasz Duszynski authored
Add support for Sensirion SPS30 particulate matter sensor. Signed-off-by:
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Tomasz Duszynski authored
Measuring particulate matter in ug / m3 (micro-grams per cubic meter) is de facto standard. Existing air quality sensors usually follow this convention and are capable of returning measurements using this unit. IIO currently does not offer suitable channel type for this type of measurements hence this patch adds this. In addition, extra modifiers are introduced used for distinguishing between fine pm1, pm2p5 and coarse pm4, pm10 particle measurements, i.e IIO_MOD_PM1, IIO_MOD_PM25 and IIO_MOD_PM4, IIO_MOD_PM10. pmX consists of particles with aerodynamic diameter less or equal to X micrometers. Signed-off-by:
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Hardik Singh Rathore authored
Initialization is unnecessary when the variable is written before it is read. There were some occasions in which the driver would initialize `ret' during declaration without need. Signed-off-by:
Hardik Singh Rathore <hardiksingh.k@gmail.com> Signed-off-by:
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Slawomir Stepien authored
The ad7280_attr_init function has been split into more specific functions to increase the code readability. Signed-off-by:
Slawomir Stepien <sst@poczta.fm> Signed-off-by:
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Slawomir Stepien authored
The ad7280_channel_init function has been split into more specific functions to increase the code readability. The setting of channel's scan_type.shift to 0, has been removed, since it is the default value. Signed-off-by:
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Marcelo Schmitt authored
Add a devicetree documentation for the ad5933 and ad5934 impedance converter, network analyzer. Signed-off-by:
Marcelo Schmitt <marcelo.schmitt1@gmail.com> Signed-off-by:
Gabriel Capella <gabriel@capella.pro> Co-Developed-by:
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Marcelo Schmitt authored
Add the option to specify the external clock (MCLK) using the clock framework. Also remove the old platform data structure. Signed-off-by:
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Marcelo Schmitt authored
Set a single voltage regulator for all voltage references. Remove voltage reference value from default platafrom data struct. Signed-off-by:
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Shreeya Patel authored
ADT7316 driver no more uses platform data and hence use device tree data instead of platform data for assigning irq_type field and implement this in adt7316_irq_setup function. Switch case figures out the type of irq and if it's the default case then assign the default value to the irq_type i.e. irq_type = IRQF_TRIGGER_LOW Move devm_request_threaded_irq() and assignment of chip->config1 into the adt7316_setup_irq() to unclutter the code in probe function. Signed-off-by:
Shreeya Patel <shreeya.patel23498@gmail.com> Signed-off-by:
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Hardik Singh Rathore authored
Initialization is unnecessary when the variable is written before it is read. There were some occasions in which the driver would initialize `ret' during declaration without need. Purely a cosmetic change with no functional impact. Signed-off-by:
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Jeremy Fertic authored
Change LDCA to LDAC. Signed-off-by:
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Jeremy Fertic authored
Based on the output of adt7316_show_all_DAC_update_modes() and adt7316_show_DAC_update_mode(), adt7316_store_DAC_update_mode() should expect the user to enter an integer input from 0 to 3. The user input is currently expected to account for the actual bit positions in the register. For example, choosing option 3 would require a write of 0x30 (actually 48 since it expects base 10). To address this inconsistency, create a shift macro to be used in the valid input check as well as the calculation for the register write. Signed-off-by:
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Jeremy Fertic authored
The option to allow the external vref to bypass the reference buffer is only available for adt7316/7/8. Remove the attributes for adt751x as well as the chip->id checks from the show and store functions. Signed-off-by:
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Jeremy Fertic authored
With adt7516/7/9, internal vref is available for dacs a and b, dacs c and d, or all dacs. The driver doesn't currently support internal vref for all dacs. Change the else if to an if so both bits are checked rather than just one or the other. Signed-off-by:
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Jeremy Fertic authored
The dac internal vref settings are part of the ldac config register rather than the dac config register. Change the variable being used so the read returns the correct result. Whilst a fix, it is for a driver in heavy churn so do not backport to stable without taking considerable care and testing. Signed-off-by:
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Jeremy Fertic authored
ADT7316_DA_EN_VIA_DAC_LDCA is set when the dac and ldac registers are being used to update the dacs instead of the ldac pin. ADT7516_SEL_AIN3 is an adc input that shares the ldac pin. Only set these bits if an ldac pin is not being used. This could be backported to stable, but note there are various other bugs that probably make that a waste of time. Signed-off-by:
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