- Feb 27, 2022
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Liam Beguin authored
Some ADCs use IIO_VAL_INT_PLUS_{NANO,MICRO} scale types. Add support for these to allow using the iio-rescaler with them. Signed-off-by:Liam Beguin <liambeguin@gmail.com> Reviewed-by:
Peter Rosin <peda@axentia.se> Reviewed-by:
Andy Shevchenko <andy.shevchenko@gmail.com> Link: https://lore.kernel.org/r/20220213025739.2561834-3-liambeguin@gmail.com Signed-off-by:
Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Liam Beguin authored
In preparation for the addition of kunit tests, expose the logic responsible for combining channel scales. Signed-off-by:
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Cristian Pop authored
Add support for K Band Downconverter with Integrated Fractional-N PLL and VCO. More info: https://www.analog.com/en/products/admv4420.html Signed-off-by:
Cristian Pop <cristian.pop@analog.com> Link: https://lore.kernel.org/r/20220223130808.13352-2-cristian.pop@analog.com Signed-off-by:
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Cristian Pop authored
Add device tree bindings for the ADMV4420 K band downconverter. Signed-off-by:
Rob Herring <robh@kernel.org> Reviewed-by:
Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Link: https://lore.kernel.org/r/20220223130808.13352-1-cristian.pop@analog.com Signed-off-by:
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Antoniu Miclaus authored
Add myself as maintainer for the ADA4250 driver. Signed-off-by:
Antoniu Miclaus <antoniu.miclaus@analog.com> Link: https://lore.kernel.org/r/20220223120112.8067-3-antoniu.miclaus@analog.com Signed-off-by:
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Antoniu Miclaus authored
The ADA4250 is an instrumentation amplifier with SPI/pin-strap progammable gains that is optimized for ultra-low power systems. With a minimum supply voltage of 1.7V, 26uA of quiescent current, a shutdown mode, a sleep mode, and a fast wake up settling time, ADA4250 can be power cycled on a battery powered system for even futher savings. Signed-off-by:
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Antoniu Miclaus authored
Add device tree bindings for the ADA4250 driver. Signed-off-by:
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Andy Shevchenko authored
Remove unneeded blank lines where they separate the data type definitions and the macros which are using them. Signed-off-by:
Andy Shevchenko <andriy.shevchenko@linux.intel.com> Tested-by:
Kai-Heng Feng <kai.heng.feng@canonical.com> Link: https://lore.kernel.org/r/20220222090009.2060-8-andriy.shevchenko@linux.intel.com Signed-off-by:
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Andy Shevchenko authored
Terminator entries are by definition should terminate the array. Dropping comma make this enforced at compile time. Signed-off-by:
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Andy Shevchenko authored
For the sake of symmetry and possible reuse in the future extract adxl435_powerup() helper. Signed-off-by:
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Kai-Heng Feng authored
x86 boards may use ACPI HID "ADS0345" for adxl345 device. Analog replied: "ADS034X is not a valid PNP ID. ADS0345 would be. I'm not aware that this ID is already taken. Feel free to submit a mainline Linux input mailing list patch." So add an ACPI match table for that accordingly. Since ACPI device may not match to any I2C ID, use the name and type directly from ACPI ID table in absence of I2C ID. Suggested-by:
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Andy Shevchenko authored
Convert the module to be property provider agnostic and allow it to be used on non-OF platforms. Signed-off-by:
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Andy Shevchenko authored
As a preparation to switch to use device properties, get rid of name parameter in adxl345_core_probe(). Instead, choose it based on the type. Signed-off-by:
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Andy Shevchenko authored
In order to enable this driver on mode platforms, assign driver_data field in the OF device ID table. While at it, make sure that device type is not 0 which may be wrongly interpreted by device property APIs in the future. Signed-off-by:
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Andy Shevchenko authored
It's fine to call dev_err_probe() in ->probe() when error code is known. Convert the driver to use dev_err_probe(). Signed-off-by:
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Jiasheng Jiang authored
As the potential failure of the devm_request_threaded_irq(), it should be better to check the return value and return error if fails. Fixes: fa659a40 ("iio: adc: twl6030-gpadc: Use devm_* API family") Signed-off-by:
Jiasheng Jiang <jiasheng@iscas.ac.cn> Link: https://lore.kernel.org/r/20220224062849.3280966-1-jiasheng@iscas.ac.cn Signed-off-by:
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Jagath Jog J authored
Maxim DS3502 is a 7 bit nonvolatile digital potentiometer. Add DS3502 binding into trivial-devices.yaml. Signed-off-by:
Jagath Jog J <jagathjog1996@gmail.com> Acked-by:
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Jagath Jog J authored
The DS3502 is a 7-bit, nonvolatile digital potentiometer featuring an output voltage range of up to 15.5V. DS3502 support is added into existing DS1803 driver. Datasheet: https://datasheets.maximintegrated.com/en/ds/DS3502.pdf Signed-off-by:
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Jagath Jog J authored
Added function pointer in the device specific structure to call the appropriate device read_raw function, so that the other type of devices with different read method can be handled. Signed-off-by:
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Jagath Jog J authored
Using firmware provided data to get the device specific structure if not available fall back to id->driver_data. Signed-off-by:
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Jagath Jog J authored
Adding each device wiper count and channel information into device private data. Utilizing addr member of struct iio_chan_spec to get the wiper register address so that the value can be read or write to the same address. Signed-off-by:
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Jagath Jog J authored
Adding available functionality for DS1803 driver which will show the minimum, step and maximum values that the driver can accepts through sysfs entry. Now using the max value present in avail array instead of chip type specific macro to make the driver flexible to add other type of potentiometer with different max position value. Signed-off-by:
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Jagath Jog J authored
Fix following checkpatch.pl check by removing blank space. CHECK: Alignment should match open parenthesis. Signed-off-by:
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Nathan Chancellor authored
Clang warns: drivers/iio/accel/adxl367.c:887:2: error: variable 'handled' is uninitialized when used here [-Werror,-Wuninitialized] handled |= adxl367_push_event(indio_dev, status); ^~~~~~~ drivers/iio/accel/adxl367.c:879:14: note: initialize the variable 'handled' to silence this warning bool handled; ^ = 0 1 error generated. This should have used '=' instead of '|='; make that change to resolve the warning. Fixes: cbab791c ("iio: accel: add ADXL367 driver") Link: https://github.com/ClangBuiltLinux/linux/issues/1605 Reported-by:kernel test robot <lkp@intel.com> Reported-by:
Colin Ian King <colin.i.king@gmail.com> Signed-off-by:
Nathan Chancellor <nathan@kernel.org> Link: https://lore.kernel.org/r/20220224211034.625130-1-nathan@kernel.org Signed-off-by:
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Dan Carpenter authored
This error path needs to call the mutex_unlock(&st->lock) before returning. Fixes: cbab791c ("iio: accel: add ADXL367 driver") Signed-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by:
Cosmin Tanislav <cosmin.tanislav@analog.com> Link: https://lore.kernel.org/r/20220224150228.GB6856@kili Signed-off-by:
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Christophe JAILLET authored
Use devm_delayed_work_autocancel() instead of hand writing it. This is less verbose and saves a few lines of code. devm_delayed_work_autocancel() uses devm_add_action() instead of devm_add_action_or_reset(). This is fine, because if the underlying memory allocation fails, no work has been scheduled yet. So there is nothing to undo. Signed-off-by:
Christophe JAILLET <christophe.jaillet@wanadoo.fr> Acked-by:
Michal Simek <michal.simek@xilinx.com> Link: https://lore.kernel.org/r/2626e6a057e40cd2271ef0e5f81d12e607bad5b4.1644776929.git.christophe.jaillet@wanadoo.fr Signed-off-by:
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- Feb 22, 2022
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Antoniu Miclaus authored
Add myself as maintainer for the ADMV1014 driver. Signed-off-by:
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Antoniu Miclaus authored
Add documentation for the use of the Digital Attenuator gain. Signed-off-by:
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Antoniu Miclaus authored
Add device tree bindings for the ADMV1014 Upconverter. Signed-off-by:
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Antoniu Miclaus authored
The ADMV1014 is a silicon germanium (SiGe), wideband, microwave downconverter optimized for point to point microwave radio designs operating in the 24 GHz to 44 GHz frequency range. Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/ADMV1014.pdf Signed-off-by:
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Cosmin Tanislav authored
The ADXL367 is an ultralow power, 3-axis MEMS accelerometer. The ADXL367 does not alias input signals to achieve ultralow power consumption, it samples the full bandwidth of the sensor at all data rates. Measurement ranges of +-2g, +-4g, and +-8g are available, with a resolution of 0.25mg/LSB on the +-2 g range. In addition to its ultralow power consumption, the ADXL367 has many features to enable true system level power reduction. It includes a deep multimode output FIFO, a built-in micropower temperature sensor, and an internal ADC for synchronous conversion of an additional analog input. Signed-off-by:
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Cosmin Tanislav authored
The ADXL367 is an ultralow power, 3-axis MEMS accelerometer. The ADXL367 does not alias input signals to achieve ultralow power consumption, it samples the full bandwidth of the sensor at all data rates. Measurement ranges of +-2g, +-4g, and +-8g are available, with a resolution of 0.25mg/LSB on the +-2 g range. In addition to its ultralow power consumption, the ADXL367 has many features to enable true system level power reduction. It includes a deep multimode output FIFO, a built-in micropower temperature sensor, and an internal ADC for synchronous conversion of an additional analog input. Signed-off-by:
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Cosmin Tanislav authored
It might be impossible to configure other attributes (e.g.: events, scale, sampling rate) if they impact the currently active buffer capture session. On ADXL367, writing to register before 0x2E requires the device to be placed in standby mode, otherwise the changes might be effective for only part of a measurement. To ensure this requirement, the configuration attributes of the IIO device try to claim direct mode before switching to standby mode. During a buffer capture, direct mode cannot be claimed, and the attribute write callback returns -EBUSY. Describe this behavior in the buffer/enable attribute description. Signed-off-by:
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Cosmin Tanislav authored
Some accelerometers that support activity and inactivity events also support a referenced mode, in which the gravitational acceleration is taken as a point of reference before comparing the acceleration to the specified activity and inactivity magnitude. For example, in the case of the ADXL367, for activity detection, the formula is: abs(acceleration - reference) > magnitude Add a new event type that makes this behavior clear. Signed-off-by:
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Cosmin Tanislav authored
Some accelerometers that support activity and inactivity events also support a referenced mode, in which the gravitational acceleration is taken as a point of reference before comparing the acceleration to the specified activity and inactivity magnitude. For example, in the case of the ADXL367, for activity detection, the formula is: abs(acceleration - reference) > magnitude Add a new event type that makes this behavior clear. Signed-off-by:
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Jan Luebbe authored
This family of ADCs uses SPI, not I2C. Signed-off-by:
Jan Luebbe <jlu@pengutronix.de> Link: https://lore.kernel.org/r/20220216162312.4064-1-jlu@pengutronix.de Signed-off-by:
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Jonathan Cameron authored
This is a rather unusual device (in IIO anyway). However, it has a near to standard userspace ABI. Note the work to move this out of staging was done against a minimal QEMU model, which doesn't model all the features of the device. I have no intention to upstream the QEMU model as it was developed just to enable this driver cleanup. https://github.com/jic23/qemu/tree/ad7280a-hacks Signed-off-by:
Marcelo Schmitt <marcelo.schmitt1@gmail.com> Link: https://lore.kernel.org/r/20220206190328.333093-21-jic23@kernel.org
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Jonathan Cameron authored
The datasheet provides timings for operating this device at up to 105 degrees centigrade. Adopt these more conservative timings. Suggested-by:
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Jonathan Cameron authored
Making the local storage of the Cell Balance mask a simple bitmap and then shifting it only at time of register write simplifies several code paths. Suggested-by:
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Jonathan Cameron authored
Very minimal ABI docs. This is unusual enough that I'd expect anyone who actually wanted to touch them to go look at the datasheet. Signed-off-by:
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