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Inspired by pwm-trigger, create a new binding for using a GPIO
line as a trigger source.
Link: https://lore.kernel.org/linux-iio/20250207-dlech-mainline-spi-engine-offload-2-v8-3-e48a489be48c@baylibre.com/
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: David Lechner <dlechner@baylibre.com>
Signed-off-by: Jonathan Santos <Jonathan.Santos@analog.com>
Link: https://patch.msgid.link/c4a3a7c828c711b439d1893271b8376823176ea6.1749569957.git.Jonathan.Santos@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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irq_domain_create_simple() takes fwnode as the first argument. It can be
extracted from the struct device using dev_fwnode() helper instead of
using of_node with of_fwnode_handle().
So use the dev_fwnode() helper.
Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
Reviewed-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20250612084627.217341-1-jirislaby@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The maple tree register cache is based on a much more modern data structure
than the rbtree cache and makes optimisation choices which are probably
more appropriate for modern systems than those made by the rbtree cache.
Signed-off-by: chuguangqing <chuguangqing@inspur.com>
Link: https://patch.msgid.link/20250611085838.4761-11-chuguangqing@inspur.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The maple tree register cache is based on a much more modern data structure
than the rbtree cache and makes optimisation choices which are probably
more appropriate for modern systems than those made by the rbtree cache.
Signed-off-by: chuguangqing <chuguangqing@inspur.com>
Link: https://patch.msgid.link/20250611085838.4761-10-chuguangqing@inspur.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The maple tree register cache is based on a much more modern data structure
than the rbtree cache and makes optimisation choices which are probably
more appropriate for modern systems than those made by the rbtree cache.
Signed-off-by: chuguangqing <chuguangqing@inspur.com>
Link: https://patch.msgid.link/20250611085838.4761-9-chuguangqing@inspur.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The maple tree register cache is based on a much more modern data structure
than the rbtree cache and makes optimisation choices which are probably
more appropriate for modern systems than those made by the rbtree cache.
Signed-off-by: chuguangqing <chuguangqing@inspur.com>
Link: https://patch.msgid.link/20250611085838.4761-8-chuguangqing@inspur.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The maple tree register cache is based on a much more modern data structure
than the rbtree cache and makes optimisation choices which are probably
more appropriate for modern systems than those made by the rbtree cache.
Signed-off-by: chuguangqing <chuguangqing@inspur.com>
Acked-by: Jean-Baptiste Maneyrol <jean-baptiste.maneyrol@tdk.com>
Link: https://patch.msgid.link/20250611085838.4761-7-chuguangqing@inspur.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The maple tree register cache is based on a much more modern data structure
than the rbtree cache and makes optimisation choices which are probably
more appropriate for modern systems than those made by the rbtree cache.
Signed-off-by: chuguangqing <chuguangqing@inspur.com>
Link: https://patch.msgid.link/20250611085838.4761-6-chuguangqing@inspur.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The maple tree register cache is based on a much more modern data structure
than the rbtree cache and makes optimisation choices which are probably
more appropriate for modern systems than those made by the rbtree cache.
Signed-off-by: chuguangqing <chuguangqing@inspur.com>
Link: https://patch.msgid.link/20250611085838.4761-5-chuguangqing@inspur.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The maple tree register cache is based on a much more modern data structure
than the rbtree cache and makes optimisation choices which are probably
more appropriate for modern systems than those made by the rbtree cache.
Signed-off-by: chuguangqing <chuguangqing@inspur.com>
Link: https://patch.msgid.link/20250611085838.4761-4-chuguangqing@inspur.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The maple tree register cache is based on a much more modern data structure
than the rbtree cache and makes optimisation choices which are probably
more appropriate for modern systems than those made by the rbtree cache.
Signed-off-by: chuguangqing <chuguangqing@inspur.com>
Link: https://patch.msgid.link/20250611085838.4761-3-chuguangqing@inspur.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The maple tree register cache is based on a much more modern data structure
than the rbtree cache and makes optimisation choices which are probably
more appropriate for modern systems than those made by the rbtree cache.
Signed-off-by: chuguangqing <chuguangqing@inspur.com>
Link: https://patch.msgid.link/20250611085838.4761-2-chuguangqing@inspur.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Check the return value of spi_setup() and propagate the error in the
ad7173_probe() function. This is unlikely to happen since virtually
every SPI controller supports SPI_MODE_3, but still always a good idea
to check the return value.
Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20250611-iio-adc-ad7173-check-spi_setup-return-v1-1-4d6f9ef0a2e4@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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After commit a934a57a42f6 ("scripts/misc-check: check missing #include
<linux/export.h> when W=1") and commit 7d95680d64ac ("scripts/misc-check:
check unnecessary #include <linux/export.h> when W=1") we get the build
warning with W=1:
drivers/iio/trigger/stm32-lptimer-trigger.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
Fix it.
Signed-off-by: Antonio Borneo <antonio.borneo@foss.st.com>
Acked-by: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
Link: https://patch.msgid.link/20250610124855.269158-5-antonio.borneo@foss.st.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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After commit a934a57a42f6 ("scripts/misc-check: check missing #include
<linux/export.h> when W=1") and commit 7d95680d64ac ("scripts/misc-check:
check unnecessary #include <linux/export.h> when W=1") we get the build
warning with W=1:
drivers/iio/trigger/stm32-timer-trigger.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
Fix it.
Signed-off-by: Antonio Borneo <antonio.borneo@foss.st.com>
Acked-by: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
Link: https://patch.msgid.link/20250610124855.269158-4-antonio.borneo@foss.st.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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After commit a934a57a42f6 ("scripts/misc-check: check missing #include
<linux/export.h> when W=1") and commit 7d95680d64ac ("scripts/misc-check:
check unnecessary #include <linux/export.h> when W=1") we get the build
warnings with W=1:
drivers/iio/adc/stm32-dfsdm-adc.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
drivers/iio/adc/stm32-dfsdm-core.c: warning: EXPORT_SYMBOL() is used, but #include <linux/export.h> is missing
Fix them.
Signed-off-by: Antonio Borneo <antonio.borneo@foss.st.com>
Acked-by: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
Link: https://patch.msgid.link/20250610124855.269158-3-antonio.borneo@foss.st.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Resolves:
warning: EXPORT_SYMBOL() is not used, but #include <linux/export.h> is present
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Link: https://patch.msgid.link/20250609070616.3923709-2-jic23@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Add support for the AD7405/ADUM770x, a high performance isolated ADC,
1-channel, 16-bit with a second-order Σ-Δ modulator that converts an
analog input signal into a high speed, single-bit data stream.
Signed-off-by: Pop Ioan Daniel <pop.ioan-daniel@analog.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Link: https://patch.msgid.link/20250605150948.3091827-6-pop.ioan-daniel@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Add devicetree bindings for ad7405/adum770x family.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Pop Ioan Daniel <pop.ioan-daniel@analog.com>
Link: https://patch.msgid.link/20250605150948.3091827-5-pop.ioan-daniel@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Add support for setting decimation rate.
Reviewed-by: David Lechner <dlechner@baylibre.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Signed-off-by: Pop Ioan Daniel <pop.ioan-daniel@analog.com>
Link: https://patch.msgid.link/20250605150948.3091827-4-pop.ioan-daniel@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Add chan parameter to iio_backend_oversampling_ratio_set() to allow
for contexts where the channel must be specified. Modify all
existing users.
Reviewed-by: David Lechner <dlechner@baylibre.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Signed-off-by: Pop Ioan Daniel <pop.ioan-daniel@analog.com>
Link: https://patch.msgid.link/20250605150948.3091827-3-pop.ioan-daniel@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Remove chan parameter from ad4851_set_oversampling_ratio parameters
list because the parameter is not used.
Reviewed-by: David Lechner <dlechner@baylibre.com>
Signed-off-by: Pop Ioan Daniel <pop.ioan-daniel@analog.com>
Link: https://patch.msgid.link/20250605150948.3091827-2-pop.ioan-daniel@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Add IIO debug register for general sensor debugging.
Signed-off-by: Lothar Rubusch <l.rubusch@gmail.com>
Link: https://patch.msgid.link/20250601172139.59156-2-l.rubusch@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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ChromeOS EC can report activity information derived from the
accelerometer:
- Reports on-body/off-body as a proximity event.
- Reports significant motion as an activity event.
This new sensor is a virtual sensor, included only when the EC firmware
is compiled with the appropriate module.
Signed-off-by: Gwendal Grignou <gwendal@google.com>
Reviewed-by: Tzung-Bi Shih <tzungbi@kernel.org>
Link: https://patch.msgid.link/20250604053903.1376465-1-gwendal@google.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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There is a spelling mistake in variable tweek_offset and in comment
blocks. Fix these.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://patch.msgid.link/20250603165706.126031-1-colin.i.king@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Add gain calibration support, using resistor values set on devicetree,
values to be set accordingly with ADC external RFilter, as explained in
the ad7606c-16 datasheet, rev0, page 37.
Usage example in the fdt yaml documentation.
Signed-off-by: Angelo Dureghello <adureghello@baylibre.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patch.msgid.link/20250606-wip-bl-ad7606-calibration-v9-7-6e014a1f92a2@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Non functional, renaming chan-related chan_scale structure to a more
generic chan_info, to host other chan specific settings, not just
scale-related.
Signed-off-by: Angelo Dureghello <adureghello@baylibre.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patch.msgid.link/20250606-wip-bl-ad7606-calibration-v9-6-6e014a1f92a2@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Fix ad7606_get_chan_config() fdt parsing function to exit for error in
case of invalid dt_schema values.
Idea is to not proceed when there are values that are not allowed under
the dt_schema.
Signed-off-by: Angelo Dureghello <adureghello@baylibre.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patch.msgid.link/20250606-wip-bl-ad7606-calibration-v9-5-6e014a1f92a2@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Add gain calibration support by a per-channel resistor value.
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Angelo Dureghello <adureghello@baylibre.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patch.msgid.link/20250606-wip-bl-ad7606-calibration-v9-4-6e014a1f92a2@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Add support for offset and phase calibration, only for
devices that support software mode, that are:
ad7606b
ad7606c-16
ad7606c-18
Tested-by: David Lechner <dlechner@baylibre.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Signed-off-by: Angelo Dureghello <adureghello@baylibre.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patch.msgid.link/20250606-wip-bl-ad7606-calibration-v9-3-6e014a1f92a2@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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ADCs as ad7606 implement a phase calibration as a delay. Add such
definition, needed for ad7606.
Signed-off-by: Angelo Dureghello <adureghello@baylibre.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patch.msgid.link/20250606-wip-bl-ad7606-calibration-v9-2-6e014a1f92a2@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Add new IIO "convdelay" documentation.
The ad7606 implements a phase calibation feature, in nanoseconds.
Being this a time delay, using the convdelay suffix.
Signed-off-by: Angelo Dureghello <adureghello@baylibre.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patch.msgid.link/20250606-wip-bl-ad7606-calibration-v9-1-6e014a1f92a2@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The SYNC_IN pulse width must be at least 1.5 x Tmclk, corresponding to
~2.5 µs at the lowest supported MCLK frequency. Add a 3 µs delay to
ensure reliable synchronization timing even for the worst-case scenario.
Signed-off-by: Jonathan Santos <Jonathan.Santos@analog.com>
Reviewed-by: David Lechner <dlechner@baylibre.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patch.msgid.link/d3ee92a533cd1207cf5c5cc4d7bdbb5c6c267f68.1749063024.git.Jonathan.Santos@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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There is no txt file for it, add yaml for invensense,itg3200 gyroscope
given existing driver and use in DTS.
Signed-off-by: Rodrigo Gobbi <rodrigo.gobbi.7@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20250527210308.4693-1-rodrigo.gobbi.7@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Prevent triggers from stop working after the device has entered sleep:
use iio_device_suspend_triggering and iio_device_resume_triggering helpers.
Closes: https://lore.kernel.org/all/31d7f7aa-e834-4fd0-a66a-e0ff528425dc@gmail.com
Signed-off-by: Denis Benato <benato.denis96@gmail.com>
Link: https://patch.msgid.link/20250525142530.71955-3-benato.denis96@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Prevent triggers from stop working after the device has entered sleep:
use iio_device_suspend_triggering and iio_device_resume_triggering helpers.
Closes: https://lore.kernel.org/all/31d7f7aa-e834-4fd0-a66a-e0ff528425dc@gmail.com
Signed-off-by: Denis Benato <benato.denis96@gmail.com>
Tested-by: Justin Weiss <justin@justinweiss.com>
Link: https://patch.msgid.link/20250525142530.71955-2-benato.denis96@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Add optional refin voltage enabling. The property "refin-supply" is
already available and optional in the current fdt dt_schema.
Note that the driver does not need to take any actions if the supply
is not present because a pin strap is used to change the behavior
of the device if an external reference is connected.
Signed-off-by: Angelo Dureghello <adureghello@baylibre.com>
Link: https://patch.msgid.link/20250530-wip-bl-ad7606-reference-voltages-v2-2-d5e1ad7e6f14@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Enable Vdrive power supply. The "vdrive-supply" property is mandatory,
already declared in fdt dt_schema.
Signed-off-by: Angelo Dureghello <adureghello@baylibre.com>
Link: https://patch.msgid.link/20250530-wip-bl-ad7606-reference-voltages-v2-1-d5e1ad7e6f14@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Straight forward conversion from spear-adc.txt into yaml format.
Signed-off-by: Rodrigo Gobbi <rodrigo.gobbi.7@gmail.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://patch.msgid.link/20250522204130.21604-1-rodrigo.gobbi.7@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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ROHM BU79100G is a 12-bit, single channel ADC. From the software point
of view it is identical to the TI's ADS7866. Support reading ADC
measurements using the ad7476.c
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Link: https://patch.msgid.link/aDk2qNE9LTVnfAFM@mva-rohm
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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These macro definitions are completely unused. Remove them.
Signed-off-by: Waqar Hameed <waqar.hameed@axis.com>
Link: https://patch.msgid.link/0dec4fe7b2bdc90d06163ac75a53b97d4ae31c21.1748356671.git.waqar.hameed@axis.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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There is really no reason for having the `regmap` name as a macro
definition if it is only used once directly in `struct regmap_config`.
It is also more readable this way. Remove these macro definitions and
instead use the string literal directly.
Signed-off-by: Waqar Hameed <waqar.hameed@axis.com>
Link: https://patch.msgid.link/3a8572de8316c7d2746c2ccea8c478f594221319.1748356671.git.waqar.hameed@axis.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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There is really no reason for having the IRQ name as a macro definition
if it is only used once (often in functions requesting the IRQ). It
is also more readable this way. Remove these macro definitions and
instead use the string literal directly.
Signed-off-by: Waqar Hameed <waqar.hameed@axis.com>
Link: https://patch.msgid.link/3dc06cb2a83d292c50d9758643aad37ca5c6d95c.1748356671.git.waqar.hameed@axis.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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There is really no reason for having the driver name as a macro
definition if it is only used once (often as `.name` in `struct
device_driver`). It is also more readable this way. Remove these macro
definitions and instead use the string literal directly.
Signed-off-by: Waqar Hameed <waqar.hameed@axis.com>
Link: https://patch.msgid.link/4840779a167e027b8be77c82f7a4f27210ef084a.1748356671.git.waqar.hameed@axis.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Refactors inv_mpu_aux_read() and inv_mpu_aux_write() to extract the common
I2C transfer sequence into inv_mpu_i2c_master_xfer(), which now handles
starting and stopping the I2C master, waiting for completion, disabling
SLV0, and checking for NACK errors.
This refactoring removes code duplication and improves maintainability.
No functional changes are intended.
Signed-off-by: Isabella Caselli <bellacaselli20@gmail.com>
Co-developed-by: Rodrigo Michelassi <rodrigo.michelassi@usp.br>
Signed-off-by: Rodrigo Michelassi <rodrigo.michelassi@usp.br>
Acked-by: Jean-Baptiste Maneyrol <jean-baptiste.maneyrol@tdk.com>
Link: https://patch.msgid.link/20250507184539.54658-1-bellacaselli20@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Remove the following trivial warning:
"WARNING: Block comments should align the * on each line"
Signed-off-by: Gyeyoung Baek <gye976@gmail.com>
Link: https://patch.msgid.link/20250519-timestamp-v1-1-fcb4f6c2721c@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Use DMA-safe memory instead of stack-allocated memory for the call to
regmap_bulk_read() in the ada4250_init() function as this could be used
directly by a SPI controller.
Also remove unnecessary use of get_unaligned_le16() and explicitly
include linux/types.h e.g. for __le16 while we are fixing this up.
Note this is DMA issue does not appear to be an actual bug due to
internals of the regmap SPI implementation. However, for IIO we are
following guidance that we should not make that assumption.
Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20250418-iio-amplifiers-ada4250-simplify-data-buffer-in-init-v1-1-7e7bd6dad423@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Introduce a mechanism to be able to configure and work with the available
g-ranges keeping the precision of 13 digits.
Signed-off-by: Lothar Rubusch <l.rubusch@gmail.com>
Link: https://patch.msgid.link/20250510224405.17910-3-l.rubusch@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Introduce enums and functions to work with the sample frequency
adjustments. Let the sample frequency adjust via IIO and configure
a reasonable default.
Replace the old static sample frequency handling. During adjustment of
bw registers, measuring is disabled and afterwards enabled again.
Signed-off-by: Lothar Rubusch <l.rubusch@gmail.com>
Link: https://patch.msgid.link/20250510224405.17910-2-l.rubusch@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Use a unique function for the bus free check by polling, to reduce
duplicated code. An error is always thrown in case of timeout.
Signed-off-by: Angelo Dureghello <adureghello@baylibre.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Link: https://patch.msgid.link/20250523-ad3552r-fix-bus-read-v3-2-310e726dd964@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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