- Sep 03, 2018
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Rob Herring authored
In preparation to remove the node name pointer from struct device_node, convert printf users to use the %pOFn format specifier. Cc: Jonathan Cameron <jic23@kernel.org> Cc: Hartmut Knaack <knaack.h@gmx.de> Cc: Lars-Peter Clausen <lars@metafoo.de> Cc: linux-iio@vger.kernel.org Signed-off-by:
Rob Herring <robh@kernel.org> Signed-off-by:
Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Matthias Kaehlcke authored
The driver only defines a subset of all possible ADC channels. Channel numbers read from the device tree are accepted as long as they don't exceed a max value, even when no channel definition exists. Add a check to abort initialization in this case. Signed-off-by:
Matthias Kaehlcke <mka@chromium.org> Signed-off-by:
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- Sep 02, 2018
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Eugen Hristev authored
Position relative channel type was added in 4.19 kernel version Fixes: "3055a6cf " ("iio: Add channel for Position Relative") Signed-off-by:
Eugen Hristev <eugen.hristev@microchip.com> Signed-off-by:
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Geert Uytterhoeven authored
With gcc 4.1.2: drivers/iio/proximity/isl29501.c: In function ‘isl29501_register_write’: drivers/iio/proximity/isl29501.c:235: warning: ‘msb’ may be used uninitialized in this function While this is a false positive, it can easily be avoided by removing the "msb" intermediate variable. Remove the "lsb" intermediate variable for consistency. Signed-off-by:Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by:
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Baolin Wang authored
This patch adds support to read calibration values from the eFuse controller to calibrate the ADC channel scales, which can make ADC sample data more accurate. Signed-off-by:
Baolin Wang <baolin.wang@linaro.org> Signed-off-by:
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Baolin Wang authored
The headset device will use channel 20 of ADC controller to detect events, but it needs the raw ADC data to do conversion according to its own formula. Thus we should configure the channel mask separately and configure channel 20 as IIO_CHAN_INFO_RAW, as well as adding raw data read support. Signed-off-by:
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- Aug 25, 2018
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Marcus Folkesson authored
Use the created list of of_device_id's as a match table. Signed-off-by:
Marcus Folkesson <marcus.folkesson@gmail.com> Signed-off-by:
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Marcus Folkesson authored
Do not try to write negative values and make sure that the write goes well. Signed-off-by:
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Marcus Folkesson authored
Add entry for ltc1660 DAC driver and add myself as maintainer of this driver. Signed-off-by:
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Marcus Folkesson authored
LTC1665/LTC1660 is a 8/10-bit Digital-to-Analog Converter (DAC) with eight individual channels. Signed-off-by:
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Marcus Folkesson authored
LTC1665/LTC1660 is a 8/10-bit Digital-to-Analog Converter (DAC) with eight individual channels. Signed-off-by:
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Stefan Popa authored
This patch adds the option for the user to select the filter bandwidth. The user can also read the available bandwidths which are always adjusted to be at most half of the sampling frequency. Furthermore, the currently selected bandwidth can be read via the read_raw function, while the write_raw sets a new bandwidth value. Signed-off-by:
Stefan Popa <stefan.popa@analog.com> Signed-off-by:
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Stefan Popa authored
This patch adds the option for the user to select the sampling frequency. Also, the user can read the available frequencies and read the currently set frequency via the read_raw function. The frequency can be set via the write_raw function. When the frequency is set, the bandwidth is also checked and ensured that it is constrained to at most half of the sampling frequency. Also, the activity and inactivity timers have to be updated because they depend on the selected ODR. Signed-off-by:
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Stefan Popa authored
This patch provides a validate_device callback for the trigger which makes sure that other devices are rejected. Signed-off-by:
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David Frey authored
Remove BME680_RUN_GAS_EN_BIT and BME680_NB_CONV_0_VAL field value definitions because the fields are simply boolean and integer respectively. Signed-off-by:
David Frey <dpfrey@gmail.com> Reviewed-by:
Himanshu Jha <himanshujha199640@gmail.com> Tested-by:
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- Aug 21, 2018
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Peter Rosin authored
Drop the boilerplate license text. Signed-off-by:
Peter Rosin <peda@axentia.se> Signed-off-by:
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Peter Rosin authored
Drop the boilerplate license text. Signed-off-by:
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Peter Rosin authored
Drop the boilerplate license text. Signed-off-by:
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Peter Rosin authored
Drop the boilerplate license text and use the correct MODULE_LICENSE. Signed-off-by:
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Peter Rosin authored
The file is GPL v2 only. Signed-off-by:
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- Aug 20, 2018
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Julia Lawall authored
Drop call to of_match_device, which is subsumed by the subsequent call to of_device_get_match_data. The code becomes simpler, and a temporary variable can be dropped. The semantic match that makes this change is as follows: (http://coccinelle.lip6.fr/ ) // <smpl> @r@ local idexpression match; identifier i; expression x, dev, e, e1; @@ - match@i = of_match_device(x, dev); - if (match) e = of_device_get_match_data(dev); - else e = e1; + e = of_device_get_match_data(dev); + if (!e) e = e1; @@ identifier r.i; @@ - const struct of_device_id *i; ... when != i // </smpl> Signed-off-by:
Julia Lawall <Julia.Lawall@lip6.fr> Reviewed-by:
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Himanshu Jha authored
val2 is responsible for the floating part of the number to be written to the device. We don't need the floating part while writing the oversampling ratio for BME680 since the available oversampling ratios are pure natural numbers. So, add a sanity check to make sure val2 is 0. Signed-off-by:
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Marcus Folkesson authored
Add an entry for mcp3911 ADC driver and add myself and Kent Gustavsson as maintainers of this driver. Co-Developed-by:
Kent Gustavsson <kent@minoris.se> Signed-off-by:
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Marcus Folkesson authored
MCP3911 is a dual channel Analog Front End (AFE) containing two synchronous sampling delta-sigma Analog-to-Digital Converters (ADC). Co-Developed-by:
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Marcus Folkesson authored
MCP3911 is a dual channel Analog Front End (AFE) containing two synchronous sampling delta-sigma Analog-to-Digital Converters (ADC). Co-developed-by:
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Alexandru Ardelean authored
Fixes ef89f4b9 ("iio: adxl345: Add support for the ADXL375"). This was found via static checker. After looking into the code a bit, it's unlikely that there will be a NULL dereference if the `id` object in that specific code path. However, it's safe to add a NULL (paranoid) check just to make sure and remove any uncertainties. Reported-by:
Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by:
Alexandru Ardelean <alexandru.ardelean@analog.com> Signed-off-by:
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Colin Ian King authored
Variable max44000_alstim_shift is defined but is never used hence it is redundant and can be removed. This variable has been like this since the driver was added back in 2016. Cleans up clang warning: warning: 'max44000_alstim_shift' defined but not used [-Wunused-const-variable=] Signed-off-by:
Colin Ian King <colin.king@canonical.com> Signed-off-by:
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Stefan Popa authored
This patch adds support for the adxl372 FIFO. In order to accomplish this, triggered buffers were used. The number of FIFO samples which trigger the watermark interrupt can be configured by using the buffer watermark. The FIFO format is determined by configuring the scan elements for each axis. The FIFO data is pushed to the IIO device's buffer. Signed-off-by:
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Jonathan Cameron authored
regmap: Support non-incrementing registers Some devices have individual registers that don't autoincrement the register address during bulk reads but instead repeatedly read the same value, for example for monitoring GPIOs or ADCs. Add support for these.
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Stefan Popa authored
Add the device tree binding documentation for the ADXL372 3-axis digital accelerometer. Signed-off-by:
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Stefan Popa authored
This patch adds basic support for Analog Devices ADXL372 SPI-Bus Three-Axis Digital Accelerometer. The device is probed and configured the with some initial default values. With this basic driver, it is possible to read raw acceleration data. Datasheet: http://www.analog.com/media/en/technical-documentation/data-sheets/ADXL372.pdf Signed-off-by:
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Matthias Kaehlcke authored
Add ADC5_AMUX_THM2_100K_PU and ADC5_AMUX_THM4_100K_PU to the list of rev2 ADC channels. Signed-off-by:
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Stefan Agner authored
After finding a reasonable gain, the function converts the configured gain to a gain configuration option selector enum max9611_csa_gain. Make the conversion clearly visible by using an explicit cast. This also avoids a warning seen with clang: drivers/iio/adc/max9611.c:292:16: warning: implicit conversion from enumeration type 'enum max9611_conf_ids' to different enumeration type 'enum max9611_csa_gain' [-Wenum-conversion] *csa_gain = gain_selectors[i]; ~ ^~~~~~~~~~~~~~~~~ Signed-off-by:Stefan Agner <stefan@agner.ch> Signed-off-by:
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Marcus Folkesson authored
This is already handled by SIMPLE_DEV_PM_OPS(). Signed-off-by:
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Marcus Folkesson authored
This is already handled by SIMPLE_DEV_PM_OPS(). Signed-off-by:
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Marcus Folkesson authored
This is already handled by SIMPLE_DEV_PM_OPS(). Signed-off-by:
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Michael Hennerich authored
no functional changes Signed-off-by:
Michael Hennerich <michael.hennerich@analog.com> Signed-off-by:
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Gustavo A. R. Silva authored
In preparation to enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through. Notice that in this particular case, I placed the "fall through" annotation at the bottom of the case, which is what GCC is expecting to find. Addresses-Coverity-ID: 1458342 ("Missing break in switch") Addresses-Coverity-ID: 1458345 ("Missing break in switch") Signed-off-by:Gustavo A. R. Silva <gustavo@embeddedor.com> Signed-off-by:
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Tomasz Duszynski authored
Compatible strings tend to follow manufacturer,model format. In case one wants to do a matching with manufacturer stripped off he can still do so since SPI/I2C core will try id_table based matching anyway. Signed-off-by:
Tomasz Duszynski <tduszyns@gmail.com> Signed-off-by:
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David Frey authored
Temperature, pressure and humidity all expose and oversampling setting that works in the same way. Provide common handling for the oversampling sysfs attributes. Signed-off-by:
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