| Commit message (Collapse) | Author | Age | Files | Lines |
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The IIO ABI mandates acceleration values from accelerometer to be
emitted in m/s^2. The KX022A was emitting values in micro m/s^2.
Fix driver to report the correct scale values.
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Reported-by: Jagath Jog J <jagathjog1996@gmail.com>
Fixes: 7c1d1677b322 ("iio: accel: Support Kionix/ROHM KX022A accelerometer")
Tested-by: Jagath Jog J <jagathjog1996@gmail.com>
Link: https://lore.kernel.org/r/ZTEt7NqfDHPOkm8j@dc78bmyyyyyyyyyyyyydt-3.rev.dnainternet.fi
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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dt-bindings: iio: Add KX132ACR-LBZ accelerometer
ROHM KX132ACR-LBZ is an accelerometer for industrial applications. It
has a subset of KX022A functionalities, dropping support for tap, free
fall and tilt detection engines. Also, the register interface is an exact
subset of what is found on KX022A (except the WHO_AM_I register value).
Add support for KX132ACR-LBZ.
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Link: https://lore.kernel.org/r/272065b9f35b817aff86b7760ff1aaaaaaa969f5.1695879676.git.mazziesaccount@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Kionix KX132-1211 is a tri-axis 16-bit accelerometer that can support
ranges from ±2G to ±16G, digital output through I²C/SPI.
Add support for basic accelerometer features such as reading acceleration
via IIO using raw reads, triggered buffer (data-ready), or the WMI IRQ.
Datasheet: https://kionixfs.azureedge.net/en/document/KX132-1211-Technical-Reference-Manual-Rev-5.0.pdf
Acked-by: Matti Vaittinen <mazziesaccount@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mehdi Djait <mehdi.djait.k@gmail.com>
Link: https://lore.kernel.org/r/389a7d6100ff2e71b1c5d60bebe662d09435996a.1694867379.git.mehdi.djait.k@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Since Kionix accelerometers use various numbers of bits to report data, a
device-specific function is required.
Implement the function as a callback in the device-specific chip_info structure
Reviewed-by: Matti Vaittinen <mazziesaccount@gmail.com>
Signed-off-by: Mehdi Djait <mehdi.djait.k@gmail.com>
Link: https://lore.kernel.org/r/9c550fb28e34915d473e379f812c7753f7643bae.1694867379.git.mehdi.djait.k@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Add the chip_info structure to the driver's private data to hold all
the device specific infos.
Refactor the kx022a driver implementation to make it more generic and
extensible.
Acked-by: Matti Vaittinen <mazziesaccount@gmail.com>
Signed-off-by: Mehdi Djait <mehdi.djait.k@gmail.com>
Link: https://lore.kernel.org/r/7a31d0cdefba15d7c791252ec8bc5db553b3996b.1694867379.git.mehdi.djait.k@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Avoid error returns on a failure to match and instead just warn with
assumption that we have a correct dt-binding telling us that
some new device with a different ID is backwards compatible.
Acked-by: Matti Vaittinen <mazziesaccount@gmail.com>
Signed-off-by: Mehdi Djait <mehdi.djait.k@gmail.com>
Link: https://lore.kernel.org/r/b587cfec2f3350623277005f62121864bee857c7.1694867379.git.mehdi.djait.k@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Remove blank lines pointed out by the checkpatch script
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Matti Vaittinen <mazziesaccount@gmail.com>
Signed-off-by: Mehdi Djait <mehdi.djait.k@gmail.com>
Link: https://lore.kernel.org/r/3489099f653491e97b13b8f19fe86635b03020c8.1694867379.git.mehdi.djait.k@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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There is nothing from string_helpers.h used in the driver, correct
the header inclusion block accordingly.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Matti Vaittinen <mazziesaccount@gmail.com>
Link: https://lore.kernel.org/r/20230808164204.66818-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-next
Jonathan writes:
1st set of IIO new device support, features and cleanup for the 6.5 cycle.
New device support
- honeywell,mprls0025pa
* New driver and dt-bindings for this series of pressure sensors.
- invensense,mpu6050
* Add support for ICM 20600 IMU (ID, bindings and device data).
- melexis,mlx90614
* Add support for mlx90615 Infra Red Thermometer after driver cleanup
and refactoring to support the differences in this device.
- renesas,x9250
* New driver and bindings for this quad potentiometer.
- rockchip,saradc
* Add support for RK3588. Also included is a bunch of refactoring and
cleanup for that driver.
- rohm,bu27008
* New driver bindings etc for this 5 photodiode color sensor.
- st,lsm9ds0/st,st-sensors
* ID added for LSM303D accelerometer and magnetometer including ACPI binding.
- ti,opt4001
* New driver and bindings for this ambient light sensor.
Features
- core
* Introduce iio_validate_own_trigger() for cases where a driver can only
consumer a trigger it registered (detected via same parent device).
Use it in the kionix,kx022a driver and new rohm,by27008 driver.
- dynaimage,al3320a
* ACPI binding CALS0001 seen on Lenovo Yoga Table 2 devices.
- kionix,kx002a
* Enable asynchronous probe.
- rohm,bu27034
* Enable asynchronous probe.
- ti,tmp006
* Explicit support for DT including binding documentation.
Cleanups, minor fixes and misc improvements.
- treewide
* Switch I2C drivers from probe_new() back to probe() - part of the
long process of getting rid of a parameter from probe()
* Various whitespace and typo fixes not otherwise called out.
- core
* industrialio-buffer,Style cleanup.
* Add documentation to extend_name field of struct iio_chan_spec to
direct people using it towards the label infrastructure instead.
extend_name was a design mistake a long time back so directly people
away from it may be useful.
- adi,ad7606
* Add HAS_IOPORT dependency to prepare for some Kconfig changes.
- bosch,bma400
* Drop pointless print of ret in a dev_err_probe() message.
- invensense,icm42600
* Rework timestamp handling to reduce jitter.
- mediatek,mt7986-auxdac
* Add DT binding for this part.
- qcom,spmi-vadc
* Allow for 1/16th prescaling used on a few devices.
* Various changes to channel labeling and naming, including dropping
use of fwnode_name which generates odd channel names. Small ABI
change as a result, but not thought to be a problem for users of this
platform.
- st,lsm6dsx
* dt-binding: Use common schema for mount-matrix via a reference.
- st,stm32
* Add a debug print for when legacy channel config is used.
- ti,palmas-adc
* Drop unused i2c.h include.
* tag 'iio-for-6.5a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (59 commits)
dt-bindings: iio: rockchip: Fix 'oneOf' condition failed warning
dt-bindings: iio: afe: voltage-divider: Spelling s/curcuit/circuit/
dt-bindings: iio: adc: Add rockchip,rk3588-saradc string
iio: adc: rockchip_saradc: Use dev_err_probe
iio: adc: rockchip_saradc: Match alignment with open parenthesis
iio: adc: rockchip_saradc: Use of_device_get_match_data
iio: adc: rockchip_saradc: Make use of devm_clk_get_enabled
iio: adc: rockchip_saradc: Add support for RK3588
iio: adc: rockchip_saradc: Add callback functions
iio: temperature: tmp006: Add OF device matching support
dt-bindings: iio: temperature: Add support for tmp006
staging: iio: Switch i2c drivers back to use .probe()
iio: amplifiers: ad8366 Fix whitespace issue
iio: imu: inv_icm42600: avoid frequent timestamp jitter
MAINTAINERS: Add ROHM BU27008
iio: light: ROHM BU27008 color sensor
iio: kx022a: Use new iio_validate_own_trigger()
iio: trigger: Add simple trigger_validation helper
dt-bindings: iio: light: ROHM BU27008
iio: mlx90614: Add MLX90615 support
...
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The new generic iio_validate_own_trigger() can be used as
validate_trigger callback for verifying the used trigger belongs to same
device as the iio_dev.
Use the generic function instead of rolling own one.
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Link: https://lore.kernel.org/r/cbd585e4787f62dc1a343a51b629ce73dd7d5426.1683541225.git.mazziesaccount@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The fwnode_irq_get_byname() was returning 0 at device-tree mapping
error. If this occurred, the KX022A driver did abort the probe but
errorneously directly returned the return value from
fwnode_irq_get_byname() from probe. In case of a device-tree mapping
error this indicated success.
The fwnode_irq_get_byname() has since been fixed to not return zero on
error so the check for fwnode_irq_get_byname() can be relaxed to only
treat negative values as errors. This will also do decent fix even when
backported to branches where fwnode_irq_get_byname() can still return
zero on error because KX022A probe should later fail at IRQ requesting
and a prober error handling should follow.
Relax the return value check for fwnode_irq_get_byname() to only treat
negative values as errors.
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <error27@gmail.com>
Closes: https://lore.kernel.org/r/202305110245.MFxC9bUj-lkp@intel.com/
Link: https://lore.kernel.org/r/202305110245.MFxC9bUj-lkp@intel.com/
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Fixes: 7c1d1677b322 ("iio: accel: Support Kionix/ROHM KX022A accelerometer")
Link: https://lore.kernel.org/r/b45b4b638db109c6078d243252df3a7b0485f7d5.1683875389.git.mazziesaccount@gmail.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-next
Jonathan writes:
1st set of IIO new device support, features and cleanups for the 6.4 cycle.
New device support
* bosch,bmp280
- Add support for BMP580 - includes significant refactoring and general
driver cleanup + support for non-volatile memory for trimming and config
parameters.
* rohm BU27034
- New driver for this 3 channel ambient light sensor.
- New support library for devices where both integration time and
amplifier gain are configurable. In these cases a scale change
may require changing bother underlying values. This library module
provides code to help with this.
* st,accel
- Add support for IIS328DQ (ID only as compatible wtih LIS331DL)
* st,lsm6dsx
- Add support for ASM330LHB automotive MEMS sensor.
* ti,ads1100, ads1000
- New driver for these 16 bit ADCs.
* ti,tmp117
- Add support for older tmp116 device. Includes some general driver cleanup.
Staging driver drops
* adi,ade7854
- Driver was a very long way from compliant with IIO infrastructure and ABI.
If anyone wants a non staging version of this driver they are better off
starting from scratch. Hence drop it and the associated meter.h header.
Features
* adi,ad7441r
- Add DT binding to set sink current for digital input.
* semtech,sx9324,9360
- Support older register mapping from firmware designed for windows.
Core improvements.
* Move iio_trigger_poll() docs to next to the implementation and add a note
on expected caller context.
* Rename iio_trigger_poll_chained() to iio_trigger_poll_nested() so
as to use more standard / common terminology.
* Improve main ABI docs references to offset and scale for raw values by
making them consistent and clear.
Cleanups and minor fixes:
* adi,ad5592r
- Add GPIO names - useful for debug.
* adi,ad7441r
- Fix current input, loop powered mode configuration setup.
* adi,adis16475
- Fix wrong commented value for minimum advised lower rate.
* adi,admv1013
- Use devm_clk_get_enabled() to reduce boilerplate.
* adi,ads1210
- Fix wrong bits for writing config register (late fix and has
been broken a long time so not rushed upstream)
* amlogic,meson-saradc
- Improve cleanup in error handling if BL30 handshake fails.
* apex-embedded,stx104
- Migrate to regmap and use regmap_read_poll_timeout() to neatly handle
retries.
- Add local mutex to close various races.
- Use define U16_MAX rather than value for limit.
- Improve code readability with minor reorganization.
* atmel,ad91-sama5d2
- Drop trivial dead code.
* kionix,kx022a
- Drop unused structure element.
* linear,ltc2983
- Reorganize bindings doc to enable unevaluatedProperties to be set
in one place for all child nodes.
- Make binding for adi,custom-thermocouple accept signed values.
* maxim,max44000
- Add OF Device matching (of_match_table was not correctly set).
* maxim,max5522
- Missing static
* measurement-computing,cio-dac
- Fix wrong part name in comments.
- Migrate to regmap.
- Improve includes by replacing bitops.h with more direct bits.h
* qcom,pm8xxx-xoadc
- Remove a check that can never fail.
* renesas,rcar-gyroadc
- DT binding documentation improvements.
- Tidy up an unused warning with __maybe_unused.
* semtech,sx_common
- Drop docs for a structure element that doesn't exist.
* semtech,sx9500
- Drop ACPI_PTR() and of_match_ptr() protections that just complicate
the code / block some firmware registration types that would otherwise
work.
* sensiron,sps30
- Comment formatting tidy up.
* st,sensors
- Drop duplicate text in DT binding.
* st,stm32-adc
- Add some missing static markings.
* ti,ads1100
- Use correct return code in dev_err_probe() call.
* x-powers,axp20x_adc - precursor series to simplify addition of AXP192.
- General code cleanup / minor refactoring for better readabilty of code.
- Switch from boolean value to mask for adc_en2 field to avoid hard coding
a mask that will be different in AXP192
* tag 'iio-for-6.4a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (63 commits)
MAINTAINERS: Add ROHM BU27034
iio: light: ROHM BU27034 Ambient Light Sensor
dt-bindings: iio: light: Support ROHM BU27034
MAINTAINERS: Add IIO gain-time-scale helpers
iio: light: Add gain-time-scale helpers
doc: Make sysfs-bus-iio doc more exact
iio: dac: set variable max5522_channels storage-class-specifier to static
dt-bindings: iio: temperature: ltc2983: Make 'adi,custom-thermocouple' signed
dt-bindings: iio: temperature: ltc2983: Fix child node unevaluated properties
iio: addac: stx104: Use regmap_read_poll_timeout() for conversion poll
iio: addac: stx104: Migrate to the regmap API
iio: addac: stx104: Improve indentation in stx104_write_raw()
iio: addac: stx104: Use define rather than hardcoded limit for write val
iio: addac: stx104: Fix race condition when converting analog-to-digital
iio: addac: stx104: Fix race condition for stx104_write_raw()
dt-bindings: iio: st-sensors: Fix repeated text
staging: iio: resolver: ads1210: fix config mode
iio: adc: ti-ads1100: fix error code in probe()
iio: accel: add support for IIS328DQ variant
dt-bindings: iio: st-sensors: Add IIS328DQ accelerometer
...
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Rename the function to iio_trigger_poll_nested. Add kernel-doc with
a note on the context where the function is expected to be called.
Signed-off-by: Mehdi Djait <mehdi.djait.k@gmail.com>
Link: https://lore.kernel.org/r/841b533cba28ca25a8e87280c44e45979166e8e2.1677761379.git.mehdi.djait.k@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The g_range member of the driver data struct is not used and
should therefore be removed.
Signed-off-by: Mehdi Djait <mehdi.djait.k@gmail.com>
Reviewed-by: Matti Vaittinen <mazziesaccount@gmail.com>
Link: https://lore.kernel.org/r/e884d53fed0d8322d8be1de2593d4f5f8975af9c.1674996464.git.mehdi.djait.k@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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in the trigger_handler
The trigger_handler gets called from the IRQ thread handler using
iio_trigger_poll_chained() which will only call the bottom half of the
pollfunc and therefore pf->timestamp will not get set.
Use instead the timestamp from the driver's private data which is always
set in the IRQ handler.
Fixes: 7c1d1677b322 ("iio: accel: Support Kionix/ROHM KX022A accelerometer")
Link: https://lore.kernel.org/linux-iio/Y+6QoBLh1k82cJVN@carbian/
Reviewed-by: Matti Vaittinen <mazziesaccount@gmail.com>
Signed-off-by: Mehdi Djait <mehdi.djait.k@gmail.com>
Link: https://lore.kernel.org/r/20230218135111.90061-1-mehdi.djait.k@gmail.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The iio_triggered_buffer_setup_ext() and the
devm_iio_kfifo_buffer_setup_ext() were changed by
commit 15097c7a1adc ("iio: buffer: wrap all buffer attributes into iio_dev_attr")
to silently expect that all attributes given in buffer_attrs array are
device-attributes. This expectation was not forced by the API - and some
drivers did register attributes created by IIO_CONST_ATTR().
When using IIO_CONST_ATTRs the added attribute "wrapping" does not copy
the pointer to stored string constant and when the sysfs file is read the
kernel will access to invalid location.
Change the function signatures to expect an array of iio_dev_attrs to
avoid similar errors in the future.
Merge conflict resolved whilst applying due to patch crossing with
two new drivers (kx022a accelerometer and ad4130 ADC).
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Tested-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/63f54787a684eb1232f1c5d275a09c786987fe4a.1664782676.git.mazziesaccount@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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KX022A is a 3-axis accelerometer from ROHM/Kionix. The sensor features
include variable ODRs, I2C and SPI control, FIFO/LIFO with watermark IRQ,
tap/motion detection, wake-up & back-to-sleep events, four acceleration
ranges (2, 4, 8 and 16g), and probably some other cool features.
Add support for the basic accelerometer features such as getting the
acceleration data via IIO. (raw reads, triggered buffer [data-ready] or
using the WMI IRQ).
Important things to be added include the double-tap, motion
detection and wake-up as well as the runtime power management.
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/758b00d6aea0a6431a5a3a78d557d449c113b21e.1666614295.git.mazziesaccount@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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