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i.MX6SX only has 4 ADC channels, so limit channel numbers to 4 for
compatible string 'fsl,imx6sx-adc'.
Reviewed-by: Haibo Chen <haibo.chen@nxp.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/20241126195256.2441622-2-Frank.Li@nxp.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Use devm_* and dev_err_probe() simplify probe function and remove
vf610_adc_remove().
Reviewed-by: Haibo Chen <haibo.chen@nxp.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/20241126195256.2441622-1-Frank.Li@nxp.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The ROHM KX134-1211 has very similar register interface as KX132-1211
does. The main differencies are the content of the "Who am I"
identification register and different g-ranges. The KX132-1211 can
measure ranges from +/- 2g to +/-16g where the KX134-1211 supports
measuring ranges +/- 8g to +/- 64g.
Support the ROHM KX134-1211.
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Link: https://patch.msgid.link/6e95af6b425df6a5ff5218825ec8923f1341f7c3.1732783834.git.mazziesaccount@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The register interface of the ROHM KX134ACR-LBZ accelerometer is
almost identical to the KX132ACR-LBZ. The main difference between these
accelerometers is that the KX134ACR-LBZ supports different G-ranges. The
driver can model this by informing different scale to users. Also, the
content of the "who_am_I" register is different.
Add an ID and scales for the KX134ACR-LBZ.
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Link: https://patch.msgid.link/27c43c595de1f3f698ace671922d4f5a48c3cd54.1732783834.git.mazziesaccount@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The register interface of the ROHM KX134ACR-LBZ accelerometer is almost
identical to the KX132ACR-LBZ. Main difference between these
accelerometers is that the KX134ACR-LBZ supports G-ranges +/- 8, 16,
32 and 64G. All the other sensors supported by the kx022a driver can
measure +/- 2, 4, 8 and 16G.
Prepare supporting the KX134ACR-LBZ with different G-ranges by storing
a pointer to the scale tables in IC specific structure.
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Link: https://patch.msgid.link/fc667b1495adf4e3f29ecbb336495c1f18b47e61.1732783834.git.mazziesaccount@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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A few functions in KX022A need to use mutex for protecting the
enabling/disabling of the measurement while configurations are being
made. Some of the functions can be slightly simplified by using the
__cleanup based scoped mutexes, which allows dropping the goto based
unlocking at error path.
Simplify error paths using guard(mutex).
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Link: https://patch.msgid.link/4785f841ad5f131356ba78b4f3c76f676d86a2e8.1732783834.git.mazziesaccount@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The ROHM BU27008 and BU27010 RGB sensors got cancelled. I was informed
they never reached mass production stage.
Keeping the drivers around is waste of maintenance resources. Drop the
drivers.
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patch.msgid.link/f4d0aa31f29f160a06cba4856a034fa5636d3372.1732819203.git.mazziesaccount@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Add support for the Invensense IAM20380 sensor to the MPU6050 driver. It is
similar to the IAM20680. But IAM20380 only supports gyro and WHOAMI
register data is difference.
Signed-off-by: Han Xu <han.xu@nxp.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Acked-by: Jean-Baptiste Maneyrol <jean-baptiste.maneyrol@tdk.com>
Link: https://patch.msgid.link/20241115-iam20380-v2-2-d8d9dc6891f5@nxp.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The iio_dmaengine_buffer_setup_ext() function is public and should be
documented. Also, while touching this, fix the description of @dev in
related functions. @dev does not strictly have to be the parent of the
IIO device. It is only passed to dma_request_chan() so strictly
speaking, it can be any device that is a valid DMA channel consumer.
Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20241115-dlech-mainline-spi-engine-offload-2-v5-9-bea815bd5ea5@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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According to the datasheet, the chip requires a reset before any data
can be read. This commit moves the device identification logic to
occur after the reset to ensure proper initialization.
Cc: Kevin Tsai <ktsai@capellamicro.com>
Signed-off-by: Cibil Pankiras <cibil.pankiras@aerq.com>
Link: https://patch.msgid.link/20241114091323.7415-1-cibil.pankiras@aerq.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Move the dt-bindings header file to the include/dt-bindings/iio/adc/
directory. ad4695 is an ADC driver, so it should be in the adc/
subdirectory for better organization. Previously, it was in the iio/
subdirectory.
Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20241113-iio-adc-ad4695-move-dt-bindings-header-v1-1-aba1f0f9b628@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The BM1390 uses mutex for protecting the fifo read sequence. The clean-up
for a few of the functions can be slightly simplified by removing the
goto-based error handling/unlocking and by utilizing the guard(mutex)
scoped mutex handling instead.
Simplify driver by using the scoped mutexes.
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Reviewed-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://patch.msgid.link/a4c2f21189964132d245531b77fb0865562443a1.1732193263.git.mazziesaccount@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The BU27034 uses mutex for protecting the gain / time / scale changes.
The clean-up for a few of the functions can be slightly simplified by
removing the goto-based error handling/unlocking and by utilizing the
guard(mutex) scoped mutex handling instead.
Simplify driver by using the scoped mutexes.
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Reviewed-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://patch.msgid.link/4e65a4725c211b166906f70fdb5ba90f2af0f570.1732193263.git.mazziesaccount@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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All the sensors supported by kx022a driver seemed to require some delay
after software reset to be operational again. More or less a random
msleep(1) was added to cause the driver to go to sleep so the sensor has
time to become operational again.
Now we have official docuumentation available:
https://fscdn.rohm.com/kionix/en/document/AN010_KX022ACR-Z_Power-on_Procedure_E.pdf
https://fscdn.rohm.com/kionix/en/document/TN027-Power-On-Procedure.pdf
https://fscdn.rohm.com/kionix/en/document/AN011_KX134ACR-LBZ_Power-on_Procedure_E.pdf
stating the required time is 2 ms.
Due to the nature of the current msleep implementation, the msleep(1) is
likely to be sleeping more than 2ms already - but the value "1" is
misleading in case someone needs to optimize the start time and change
the msleep to a more accurate delay. Hence it is better for
"documentation" purposes to use value which actually reflects the
specified 2ms wait time.
Change the value of delay after software reset to match the
specifications and add links to the power-on procedure specifications.
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Link: https://patch.msgid.link/ac1b6705945cded0e79593d64e55522681e00f9a.1732105157.git.mazziesaccount@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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This patch implements ACPI support to Microchip pac1921.
The driver can read the shunt resistor value and label from the ACPI table.
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Matteo Martelli <matteomartelli3@gmail.com>
Signed-off-by: Victor Duicu <victor.duicu@microchip.com>
Link: https://patch.msgid.link/20241115133436.13204-1-victor.duicu@microchip.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Correct the converters typo error
"convertors" => "converters"
Signed-off-by: Karan Sanghavi <karansanghvi98@gmail.com>
Link: https://patch.msgid.link/20241111-dackconfigcodespell-v1-1-2498567be34c@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Simplify the code by using devm_regulator_get_enable_read_voltage().
Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20241120-iio-regulator-cleanup-round-6-v1-11-d5a5360f7ec3@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Simplify the code by using devm_regulator_get_enable_read_voltage().
Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20241120-iio-regulator-cleanup-round-6-v1-10-d5a5360f7ec3@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Remove driver remove callback for the ltc2632 driver.
By making use of devm_iio_device_register(), we no longer need a driver
remove callback. Also since this was the last user of spi_get_drvdata(),
we can drop the call to spi_set_drvdata().
Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20241120-iio-regulator-cleanup-round-6-v1-9-d5a5360f7ec3@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Simplify the code by using devm_regulator_get_enable_read_voltage().
Some use of dev_err() is replaced with dev_err_probe() to simplify
things even more since we are refactoring these lines anyway.
Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20241120-iio-regulator-cleanup-round-6-v1-8-d5a5360f7ec3@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Remove driver remove callback in the ad8801 driver.
By making use of devm_iio_device_register(), we no longer need a driver
remove callback. Also since this was the last user of spi_get_drvdata(),
we can drop the call to spi_set_drvdata().
Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20241120-iio-regulator-cleanup-round-6-v1-7-d5a5360f7ec3@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Simplify the code by using devm_regulator_get_enable_read_voltage().
Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20241120-iio-regulator-cleanup-round-6-v1-6-d5a5360f7ec3@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Simplify the code by using devm_regulator_get_enable_read_voltage().
There is a small change in behavior. Before, all errors from
devm_regulator_get_optional() were ignored and assumed to mean that
the external reference supply was absent. Now, only -ENODEV is checked
and other errors will cause a failure to probe. So now, this will
catch errors, like using the wrong data type for the devicetree
property.
Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20241120-iio-regulator-cleanup-round-6-v1-3-d5a5360f7ec3@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Current implementation of at91_ts_register() calls input_free_deivce()
on st->ts_input, however, the err label can be reached before the
allocated iio_dev is stored to st->ts_input. Thus call
input_free_device() on input instead of st->ts_input.
Fixes: 84882b060301 ("iio: adc: at91_adc: Add support for touchscreens without TSMR")
Signed-off-by: Joe Hattori <joe@pf.is.s.u-tokyo.ac.jp>
Link: https://patch.msgid.link/20241207043045.1255409-1-joe@pf.is.s.u-tokyo.ac.jp
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Fix a possible race condition during driver probe in the ad7173 driver
due to using a shared static info struct. If more that one instance of
the driver is probed at the same time, some of the info could be
overwritten by the other instance, leading to incorrect operation.
To fix this, make the static info struct const so that it is read-only
and make a copy of the info struct for each instance of the driver that
can be modified.
Reported-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Fixes: 76a1e6a42802 ("iio: adc: ad7173: add AD7173 driver")
Signed-off-by: David Lechner <dlechner@baylibre.com>
Tested-by: Guillaume Ranquet <granquet@baylibre.com>
Link: https://patch.msgid.link/20241127-iio-adc-ad7313-fix-non-const-info-struct-v2-1-b6d7022b7466@baylibre.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Using gpiod_set_value() to control the reset GPIO causes some verbose
warnings during boot when the reset GPIO is controlled by an I2C IO
expander.
As the caller can sleep, use the gpiod_set_value_cansleep() variant to
fix the issue.
Tested on a custom i.MX93 board with a ADS124S08 ADC.
Cc: stable@kernel.org
Fixes: e717f8c6dfec ("iio: adc: Add the TI ads124s08 ADC code")
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Link: https://patch.msgid.link/20241122164308.390340-1-festevam@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The 'scan' local struct is used to push data to user space from a
triggered buffer, but it has a hole between the sample (unsigned int)
and the timestamp. This hole is never initialized.
Initialize the struct to zero before using it to avoid pushing
uninitialized information to userspace.
Cc: stable@vger.kernel.org
Fixes: a9306887eba4 ("iio: adc: ti-ads1119: Add driver")
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Reviewed-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Link: https://patch.msgid.link/20241125-iio_memset_scan_holes-v1-2-0cb6e98d895c@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The 'sample' local struct is used to push data to user space from a
triggered buffer, but it has a hole between the temperature and the
timestamp (u32 pressure, u16 temperature, GAP, u64 timestamp).
This hole is never initialized.
Initialize the struct to zero before using it to avoid pushing
uninitialized information to userspace.
Cc: stable@vger.kernel.org
Fixes: 03b262f2bbf4 ("iio:pressure: initial zpa2326 barometer support")
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://patch.msgid.link/20241125-iio_memset_scan_holes-v1-3-0cb6e98d895c@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The 'data' local struct is used to push data to user space from a
triggered buffer, but it does not set values for inactive channels, as
it only uses iio_for_each_active_channel() to assign new values.
Initialize the struct to zero before using it to avoid pushing
uninitialized information to userspace.
Cc: stable@vger.kernel.org
Fixes: 4e130dc7b413 ("iio: adc: rockchip_saradc: Add support iio buffers")
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://patch.msgid.link/20241125-iio_memset_scan_holes-v1-4-0cb6e98d895c@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The 'buffer' local array is used to push data to user space from a
triggered buffer, but it does not set values for inactive channels, as
it only uses iio_for_each_active_channel() to assign new values.
Initialize the array to zero before using it to avoid pushing
uninitialized information to userspace.
Cc: stable@vger.kernel.org
Fixes: c3a23ecc0901 ("iio: imu: kmx61: Add support for data ready triggers")
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://patch.msgid.link/20241125-iio_memset_scan_holes-v1-5-0cb6e98d895c@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The 'buffer' local array is used to push data to userspace from a
triggered buffer, but it does not set an initial value for the single
data element, which is an u16 aligned to 8 bytes. That leaves at least
4 bytes uninitialized even after writing an integer value with
regmap_read().
Initialize the array to zero before using it to avoid pushing
uninitialized information to userspace.
Cc: stable@vger.kernel.org
Fixes: ec90b52c07c0 ("iio: light: vcnl4035: Fix buffer alignment in iio_push_to_buffers_with_timestamp()")
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://patch.msgid.link/20241125-iio_memset_scan_holes-v1-6-0cb6e98d895c@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The 'scan' local struct is used to push data to user space from a
triggered buffer, but it does not set values for inactive channels, as
it only uses iio_for_each_active_channel() to assign new values.
Initialize the struct to zero before using it to avoid pushing
uninitialized information to userspace.
Cc: stable@vger.kernel.org
Fixes: eab35358aae7 ("iio: light: ROHM BH1745 colour sensor")
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://patch.msgid.link/20241125-iio_memset_scan_holes-v1-7-0cb6e98d895c@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The 'buffer' local array is used to push data to user space from a
triggered buffer, but it does not set values for inactive channels, as
it only uses iio_for_each_active_channel() to assign new values.
Initialize the array to zero before using it to avoid pushing
uninitialized information to userspace.
Cc: stable@vger.kernel.org
Fixes: 61fa5dfa5f52 ("iio: adc: ti-ads8688: Fix alignment of buffer in iio_push_to_buffers_with_timestamp()")
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://patch.msgid.link/20241125-iio_memset_scan_holes-v1-8-0cb6e98d895c@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The 'data' array is allocated via kmalloc() and it is used to push data
to user space from a triggered buffer, but it does not set values for
inactive channels, as it only uses iio_for_each_active_channel()
to assign new values.
Use kzalloc for the memory allocation to avoid pushing uninitialized
information to userspace.
Cc: stable@vger.kernel.org
Fixes: 415f79244757 ("iio: Move IIO Dummy Driver out of staging")
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://patch.msgid.link/20241125-iio_memset_scan_holes-v1-9-0cb6e98d895c@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The test config contained a copy-paste error. The IIO GTS helper test
was errorneously titled as "Test IIO formatting functions" in the
menuconfig.
Change the title of the tests to reflect what is tested.
Fixes: cf996f039679 ("iio: test: test gain-time-scale helpers")
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Link: https://patch.msgid.link/Z0gt5R86WdeK73u2@mva-rohm
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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devm_kasprintf() can return a NULL pointer on failure. A check on the
return value of such a call in ads1298_init() is missing. Add it.
Fixes: 00ef7708fa60 ("iio: adc: ti-ads1298: Add driver")
Signed-off-by: Charles Han <hanchunchao@inspur.com>
Link: https://patch.msgid.link/20241118090208.14586-1-hanchunchao@inspur.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The label property is defined as optional in the DFSDM binding.
Parse the label property only when it is defined in the device tree.
Fixes: 3208fa0cd919 ("iio: adc: stm32-dfsdm: adopt generic channels bindings")
Signed-off-by: Olivier Moysan <olivier.moysan@foss.st.com>
Link: https://patch.msgid.link/20241114102459.2497178-1-olivier.moysan@foss.st.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Modify ad4695_buffer_preenable() by adding an extra SPI transfer after
each data read to help ensure that the timing requirement between the
last SCLK rising edge and the next CNV rising edge is met. This requires
a restructure of the buf_read_xfer array in ad4695_state. Also define
AD4695_T_SCK_CNV_DELAY_NS to use for each added transfer. Without this
change it is possible for the data to become corrupted on sequential
buffered reads due to the device not properly exiting conversion mode.
Similarly, make adjustments to ad4695_read_one_sample() so that timings
are respected, and clean up the function slightly in the process.
Fixes: 6cc7e4bf2e08 ("iio: adc: ad4695: implement triggered buffer")
Co-developed-by: David Lechner <dlechner@baylibre.com>
Signed-off-by: David Lechner <dlechner@baylibre.com>
Signed-off-by: Trevor Gamblin <tgamblin@baylibre.com>
Reviewed-by: David Lechner <dlechner@baylibre.com>
Tested-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20241113-tgamblin-ad4695_improvements-v2-1-b6bb7c758fc4@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Currently suspending while sensors are one will result in timestamping
continuing without gap at resume. It can work with monotonic clock but
not with other clocks. Fix that by resetting timestamping.
Fixes: ec74ae9fd37c ("iio: imu: inv_icm42600: add accurate timestamping")
Cc: stable@vger.kernel.org
Signed-off-by: Jean-Baptiste Maneyrol <jean-baptiste.maneyrol@tdk.com>
Link: https://patch.msgid.link/20241113-inv_icm42600-fix-timestamps-after-suspend-v1-1-dfc77c394173@tdk.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Burst write with SPI is not working for all icm42600 chips. It was
only used for setting user offsets with regmap_bulk_write.
Add specific SPI regmap config for using only single write with SPI.
Fixes: 9f9ff91b775b ("iio: imu: inv_icm42600: add SPI driver for inv_icm42600 driver")
Cc: stable@vger.kernel.org
Signed-off-by: Jean-Baptiste Maneyrol <jean-baptiste.maneyrol@tdk.com>
Link: https://patch.msgid.link/20241112-inv-icm42600-fix-spi-burst-write-not-supported-v2-1-97690dc03607@tdk.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The fxas21002c_trigger_handler() may fail to acquire sample data because
the runtime PM enters the autosuspend state and sensor can not return
sample data in standby mode..
Resume the sensor before reading the sample data into the buffer within the
trigger handler. After the data is read, place the sensor back into the
autosuspend state.
Fixes: a0701b6263ae ("iio: gyro: add core driver for fxas21002c")
Signed-off-by: Carlos Song <carlos.song@nxp.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/20241116152945.4006374-1-Frank.Li@nxp.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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kunit_kmalloc may fail, return value might be NULL and will cause
NULL pointer dereference.Add KUNIT_ASSERT_NOT_ERR_OR_NULL fix it.
Signed-off-by: Pei Xiao <xiaopei01@kylinos.cn>
Fixes: 8e74a48d17d5 ("iio: test: add basic tests for the iio-rescale driver")
Link: https://patch.msgid.link/ecd56a85e54a96c2f0313c114075a21a76071ea2.1730259869.git.xiaopei01@kylinos.cn
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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When during a measurement two channels are enabled, two measurements are
done that are reported sequencially in the DATA register. As the code
triggered by reading one of the sysfs properties expects that only one
channel is enabled it only reads the first data set which might or might
not belong to the intended channel.
To prevent this situation disable all channels during probe. This fixes
a problem in practise because the reset default for channel 0 is
enabled. So all measurements before the first measurement on channel 0
(which disables channel 0 at the end) might report wrong values.
Fixes: 7b8d045e497a ("iio: adc: ad7124: allow more than 8 channels")
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Link: https://patch.msgid.link/20241104101905.845737-2-u.kleine-koenig@baylibre.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Fix a copy/paste mistake in the struct ad5686_state doc comment.
Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20241120-iio-regulator-cleanup-round-6-v1-2-d5a5360f7ec3@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Fix a copy/paste mistake in the struct ad5624r_state doc comment.
Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20241120-iio-regulator-cleanup-round-6-v1-1-d5a5360f7ec3@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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fxls8967af is similar with fxls8962af, the only difference is the device id
change to 0x87.
Signed-off-by: Han Xu <han.xu@nxp.com>
Reviewed-by: Sean Nyekjaer <sean@geanix.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/20241115-fxls-v2-4-95f3df9228ed@nxp.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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fxls8974cf is similar with fxls8962af, the only difference is the device id
change to 0x86.
Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Reviewed-by: Clark Wang <xiaoning.wang@nxp.com>
Reviewed-by: Sean Nyekjaer <sean@geanix.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/20241115-fxls-v2-3-95f3df9228ed@nxp.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Typecast a variable to int64_t for 64-bit arithmetic multiplication.
Signed-off-by: Karan Sanghavi <karansanghvi98@gmail.com>
Link: https://scan7.scan.coverity.com/#/project-view/51946/11354?selectedIssue=1586045
Link: https://patch.msgid.link/20241103-coverity1586045integeroverflow-v1-1-43ea37a3f3cd@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The use of of_property_read_bool() for non-boolean properties is
deprecated in favor of of_property_present() when testing for property
presence.
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20241104190846.278417-1-robh@kernel.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Remove the unused chan_reg field from struct ad7173_channel. This was
set but never read.
Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20241104-iio-adc-ad7173-remove-unused-field-v1-1-da9500a48750@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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