- 17 Jun, 2019 25 commits
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Shobhit Kukreti authored
The dht11 driver uses a single gpio to make measurements. It was using the older global gpio numberspace. The patch replaces the old gpio api with the new gpio descriptor based api. Removed header files "linux/gpio.h" and "linux/of_gpio.h" Signed-off-by:
Shobhit Kukreti <shobhitkukreti@gmail.com> Acked-by:
Harald Geyer <harald@ccbib.org> Signed-off-by:
Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Patrick Havelange authored
Adding myself as maintainer for this driver Signed-off-by:
Patrick Havelange <patrick.havelange@essensium.com> Signed-off-by:
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Melissa Wen authored
General cleaning of comments to remove useless information or improve description. Signed-off-by:
Melissa Wen <melissa.srw@gmail.com> Signed-off-by:
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Melissa Wen authored
Since i2c_smbus_write_byte_data returns no-positive value, this commit making the treatment of its return value less verbose. Signed-off-by:
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Melissa Wen authored
Use the bitfield macro FIELD_GET, and GENMASK to do the shift and mask in one go. This makes the code more readable than explicit masking followed by a shift. Signed-off-by:
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Melissa Wen authored
Remove idiom and use ternary operator for consistently trigger 0/1 value on variable declaration. Signed-off-by:
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Alexandru Ardelean authored
There is nothing being done after the `err_predisable` label, so just remove it. Signed-off-by:
Alexandru Ardelean <alexandru.ardelean@analog.com> Signed-off-by:
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Alexandru Ardelean authored
The ADL5240 is a high performance, digitally controlled variable gain amplifier (VGA) operating from 100 MHz to 4000 MHz. The VGA integrates a high performance, 20 dB gain, internally matched amplifier (AMP) with a 6-bit digital step attenuator (DSA) that has a gain control range of 31.5 dB in 0.5 dB steps with ±0.25 dB step accuracy. Datasheet link: https://www.analog.com/media/en/technical-documentation/data-sheets/adl5240.pdfSigned-off-by:
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Paul Cercueil authored
This change adds support for the ADA4961 BiCMOS RF Digital Gain Amplifier, (DGA), which is optimized for driving heavy loads out 2.0 GHz and beyond. The device typically achieves -90 dBc IMD3 performance at 500 MHz and -85 dBc at 1.5 GHz. Datasheet link: http://www.analog.com/media/en/technical-documentation/data-sheets/ADA4961.pdf This change re-uses the existing ad8366 driver, as most logic is similar. Also, this chip has a reset pin which is initialized during probe. Signed-off-by:
Paul Cercueil <paul.cercueil@analog.com> Signed-off-by:
Michael Hennerich <michael.hennerich@analog.com> Signed-off-by:
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Alexandru Ardelean authored
The SPI gain amplifiers are simple devices, with 1 or 2 channels, to which are read-from/written-to. The gain computation in ad8366_write_raw() has been updated to compute gain in dB for negative values. This driver will be extended to support other chips as well. To do that, this rework handles the AD8366 device as a special-case (via switch-statements). This will make things easier when adding new chips. Signed-off-by:
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Alexandru Ardelean authored
This driver is still using iio_dev's mlock to guard against inconsistent state. This has been discouraged for some time. This change switches to using it's own mutex, defined on the state struct. Signed-off-by:
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Alexandru Ardelean authored
Use the new `SPDX-License-Identifier` tag to specify the license. For ad8366, also update copyright years in the header part. Signed-off-by:
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Lucas Oshiro authored
Convert the old device tree documentation to yaml format. Signed-off-by:
Lucas Oshiro <lucasseikioshiro@gmail.com> Signed-off-by:
Rodrigo Ribeiro <rodrigorsdc@gmail.com> Co-developed-by:
Matheus Tavares <matheus.bernardino@usp.br> Reviewed-by:
Marcelo Schmitt <marcelo.schmitt1@gmail.com> Reviewed-by:
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Alexandru Ardelean authored
The iio_triggered_buffer_{predisable,postenable} functions attach/detach the poll functions. For the predisable hook, the disable code should occur before detaching the poll func, and for the postenable hook, the poll func should be attached before the enable code. Signed-off-by: -
Stefan Popa authored
Document support for Analog Devices ADF4371 SPI Wideband Synthesizer. Signed-off-by:
Stefan Popa <stefan.popa@analog.com> Reviewed-by:
Rob Herring <robh@kernel.org> Signed-off-by:
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Stefan Popa authored
The ADF4371 is a frequency synthesizer with an integrated voltage controlled oscillator (VCO) for phase-locked loops (PLLs). The ADF4371 has an integrated VCO with a fundamental output frequency ranging from 4000 MHz to 8000 MHz. In addition, the VCO frequency is connected to divide by 1, 2, 4, 8, 16, 32, or 64 circuits that allows the user to generate radio frequency (RF) output frequencies as low as 62.5 MHz at RF8x. A frequency multiplier at RF16x generates from 8 GHz to 16 GHz. A frequency quadrupler generates frequencies from 16 GHz to 32 GHz at RF32x. RFAUX8x duplicates the frequency range of RF8x or permits direct access to the VCO output. The driver takes the reference input frequency from the device tree and uses it to calculate and maximize the PFD frequency (frequency of the phase frequency detector). The PFD frequency is further used to calculate the timeouts: synthesizer lock, VCO band selection, automatic level calibration (ALC) and PLL settling time. This initial driver exposes the attributes for setting the frequency and enabling/disabling the different adf4371 channels. Datasheet: Link: https://www.analog.com/media/en/technical-documentation/data-sheets/adf4371.pdfSigned-off-by:
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Lorenzo Bianconi authored
Introduce sensor name in st_lsm6dsx_sensor_settings table. This is a preliminary patch to add I3C support to st_lsm6dsx since i3c_device_id data structure does not contain a name field Signed-off-by:
Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by:
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Fabio Estevam authored
average_en is always true, so there is not really need for this structure member. Signed-off-by:
Fabio Estevam <festevam@gmail.com> Signed-off-by:
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Fabio Estevam authored
All the parameters of devm_request_irq() can fit into a single line, so place them all in a single line for better readability. Signed-off-by:
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Fabio Estevam authored
Since the input clock is always 24MHz, there is no need for storing this value into a variable. Use a definition instead, which is more appropriate in this case. Signed-off-by:
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Fabio Estevam authored
In case of ioremap failure, the core code will take care of printing the error message, so there is no need for having a local error message in the driver. Signed-off-by:
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Martijn Braam authored
The stk3335 light/proximity sensor is similar to the stk3310 and stk3311 sensors and works with the stk3310 driver. Signed-off-by:
Martijn Braam <martijn@brixit.nl> Signed-off-by:
Luca Weiss <luca@z3ntu.xyz> Signed-off-by:
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Young Xiao authored
The incorrect limit for the for_each_set_bit loop was noticed whilst fixing this other case. Note that as we only have 3 possible entries a the moment and the value was set to 4, the bug would not have any effect currently. It will bite fairly soon though, so best fix it now. See commit ef4b4856 ("iio:core: Fix bug in length of event info_mask and catch unhandled bits set in masks.") for details. Signed-off-by:
Young Xiao <92siuyang@gmail.com> Reviewed-by:
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Alexandru Ardelean authored
The driver only needs to access GPIOs via GPIOLIB. And SPI can be configured via device-tree or ACPI. The platform data is a remnant from another time, and should not cause the driver to error out during probing if it is NULL. Also, it's not used. Signed-off-by:
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Wolfram Sang authored
We have a dedicated pointer for that, so use it. Much easier to read and less computation involved. Signed-off-by:
Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by:
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- 16 Jun, 2019 5 commits
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Beniamin Bia authored
Because this driver will support multiple configurations for software, the software configuration was made generic. Signed-off-by:
Beniamin Bia <beniamin.bia@analog.com> Signed-off-by:
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Beniamin Bia authored
The device dependent options which are going to be different for devices which will be supported in the future by this driver, were moved in chip info for a more generic driver. This patch allows supporting more devices by the driver. Also, it is an intermediate step of adding support for ad7616 in software mode. Signed-off-by:
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Neil Armstrong authored
Signed-off-by:
Neil Armstrong <narmstrong@baylibre.com> Reviewed-by:
Martin Blumenstingl <martin.blumenstingl@googlemail.com> Signed-off-by:
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Renato Lui Geh authored
This patch adds a MAINTAINERS entry for the AD7780 ADC driver. Signed-off-by:
Renato Lui Geh <renatogeh@gmail.com> Signed-off-by:
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Renato Lui Geh authored
This patch adds a YAML binding for the Analog Devices AD7780/1 and AD7170/1 analog-to-digital converters. Signed-off-by:
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- 08 Jun, 2019 3 commits
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Luís Ferreira authored
Some ultrabooks, like Teclast F6 Pro, use KIOX010A sensor on display and KIOX020A sensor on keyboard base, to detect tablet mode or screen orientation. Signed-off-by:
Luís Ferreira <luis@aurorafoss.org> Signed-off-by:
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Fabien Lahoudere authored
The documentation give some exemple on what format can be expected from sampling_frequency_available sysfs attribute Signed-off-by:
Fabien Lahoudere <fabien.lahoudere@collabora.com> Signed-off-by:
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Eddie James authored
The DPS310 supports measurement of pressure, so support that in the driver. Use background measurement like the temperature sensing and default to lowest precision and lowest measurement rate. Signed-off-by:
Eddie James <eajames@linux.ibm.com> Signed-off-by:
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- 27 May, 2019 2 commits
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Christopher Bostic authored
Add a manufacturer's suggested workaround to deal with early revisions of chip that don't indicate correct temperature. Readings can be in the ~60C range when they should be in the ~20's. Signed-off-by:
Christopher Bostic <cbostic@linux.vnet.ibm.com> Signed-off-by:
Joel Stanley <joel@jms.id.au> Signed-off-by:
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Joel Stanley authored
The DPS310 is a temperature and pressure sensor. It can be accessed over i2c and SPI, but this driver only supports polling over i2c. Signed-off-by:
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- 26 May, 2019 5 commits
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Rodrigo Ribeiro authored
This patch adds of_match_table entry in device driver in order to enable spi fallback probing. Signed-off-by:
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João Seckler authored
Add a of_device_id struct variable and subsequent call to MODULE_DEVICE_TABLE macro to support device tree. Signed-off-by:
João Seckler <joaoseckler@gmail.com> Signed-off-by:
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Lucas Oshiro authored
Add a of_device_id struct and MODULE_DEVICE_TABLE call, in order to add device-tree support for this driver. Signed-off-by:
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Bárbara Fernandes authored
Create structure of type of_device_id in order to register all devices the driver is able to manage. Signed-off-by:
Bárbara Fernandes <barbara.fernandes@usp.br> Signed-off-by:
Wilson Sales <spoonm@spoonm.org> Co-developed-by:
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Thiago Estrela authored
Accomplish device tree compatibility to driver ADIS16203 by adding of_device_id table and making a subsequent call to MODULE_DEVICE_TABLE. Signed-off-by:
Thiago Estrela <thiagestrela@gmail.com> Signed-off-by:
Tiago Napoli <napoli.tiago96@gmail.com> Co-developed-by:
Pedro Sousa <pedroteosousa@gmail.com> Co-developed-by:
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