Here is the char/misc/iio and other smaller driver subsystem updates for
7.1-rc1. Lots of stuff in here, all tiny, but relevant for the
different drivers they touch. Major points in here is:
- the usual large set of new IIO drivers and updates for that
subsystem (the large majority of this diffstat)
- lots of comedi driver updates and bugfixes
- coresight driver updates
- interconnect driver updates and additions
- mei driver updates
- binder (both rust and C versions) updates and fixes
- lots of other smaller driver subsystem updates and additions
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char / misc / IIO / and others driver updates from Greg KH:
"Here is the char/misc/iio and other smaller driver subsystem updates
for 7.1-rc1. Lots of stuff in here, all tiny, but relevant for the
different drivers they touch. Major points in here is:
- the usual large set of new IIO drivers and updates for that
subsystem (the large majority of this diffstat)
- lots of comedi driver updates and bugfixes
- coresight driver updates
- interconnect driver updates and additions
- mei driver updates
- binder (both rust and C versions) updates and fixes
- lots of other smaller driver subsystem updates and additions
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (405 commits)
coresight: tpdm: fix invalid MMIO access issue
mei: me: add nova lake point H DID
mei: lb: add late binding version 2
mei: bus: add mei_cldev_uuid
w1: ds2490: drop redundant device reference
bus: mhi: host: pci_generic: Add Telit FE912C04 modem support
mei: csc: wake device while reading firmware status
mei: csc: support controller with separate PCI device
mei: convert PCI error to common errno
mei: trace: print return value of pci_cfg_read
mei: me: move trace into firmware status read
mei: fix idle print specifiers
mei: me: use PCI_DEVICE_DATA macro
sonypi: Convert ACPI driver to a platform one
misc: apds990x: fix all kernel-doc warnings
most: usb: Use kzalloc_objs for endpoint address array
hpet: Convert ACPI driver to a platform one
misc: vmw_vmci: Fix spelling mistakes in comments
parport: Remove completed item from to-do list
char: remove unnecessary module_init/exit functions
...
* New drivers:
- Add support for Lenovo Yoga/Legion fan monitoring (yogafan)
- Add support for LattePanda Sigma EC
- Add support for Infineon XDP720 eFuse
- Add support for Microchip MCP998X
* New device support:
- Add support for TI INA234
- Add support for Infineon XDPE1A2G5B/7B
- Add support for Renesas RAA228942 and RAA228943 (isl68137)
- Add support for Delta Q54SN120A1 and Q54SW120A7 (pmbus)
- Add support for TI TMP110 and TMP113 (tmp102)
- Add support for Sony APS-379 (pmbus)
- Add support for ITE IT8689E (it87)
- Add support for ASUS ROG STRIX Z790-H, X470-F, and CROSSHAIR X670E (asus-ec-sensors)
- Add support for GPD Win 5 (gpd-fan)
* Modernization and Cleanups:
- Convert asus_atk0110 and acpi_power_meter ACPI drivers to platform drivers
- Remove i2c_match_id() usage in many PMBus drivers
- Use guard() for mutex protection in pmbus_core
- Replace sprintf() with sysfs_emit() in ads7871, emc1403, max6650,
ads7828, max31722, and tc74
- Various markup and documentation improvements for yogafan and ltc4282
* Bug fixes:
- Fix use-after-free and missing usb_kill_urb on disconnect in powerz driver
- Avoid cacheline sharing for DMA buffer in powerz driver
- Fix integer overflow in power calculation on 32-bit in isl28022 driver
- Fix bugs in pt5161l_read_block_data()
- Propagate SPI errors and fix incorrect error codes in ads7871 driver
- Fix i2c_smbus_write_byte_data wrapper argument type in max31785 driver
* Device tree bindings:
- Convert npcm750-pwm-fan to DT schema
- Add bindings for Infineon XDP720, Microchip MCP998X, Sony APS-379,
Renesas RAA228942/3, Delta Q54SN120A1/7, XDPE1A2G5B/7B,
Aosong AHT10/20, DHT20, and TI INA234
- Adapt moortec,mr75203 bindings for T-Head TH1520
----------------------------------------------------------------
(Commits list will be generated by git request-pull or similar tool)
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Merge tag 'hwmon-for-v7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck:
"New drivers:
- Lenovo Yoga/Legion fan monitoring (yogafan)
- LattePanda Sigma EC
- Infineon XDP720 eFuse
- Microchip MCP998X
New device support:
- TI INA234
- Infineon XDPE1A2G5B/7B
- Renesas RAA228942 and RAA228943 (isl68137)
- Delta Q54SN120A1 and Q54SW120A7 (pmbus)
- TI TMP110 and TMP113 (tmp102)
- Sony APS-379 (pmbus)
- ITE IT8689E (it87)
- ASUS ROG STRIX Z790-H, X470-F, and CROSSHAIR X670E (asus-ec-sensors)
- GPD Win 5 (gpd-fan)
Modernization and Cleanups:
- Convert asus_atk0110 and acpi_power_meter ACPI drivers to platform
drivers
- Remove i2c_match_id() usage in many PMBus drivers
- Use guard() for mutex protection in pmbus_core
- Replace sprintf() with sysfs_emit() in ads7871, emc1403, max6650,
ads7828, max31722, and tc74
- Various markup and documentation improvements for yogafan and
ltc4282
Bug fixes:
- Fix use-after-free and missing usb_kill_urb on disconnect in powerz
driver
- Avoid cacheline sharing for DMA buffer in powerz driver
- Fix integer overflow in power calculation on 32-bit in isl28022
driver
- Fix bugs in pt5161l_read_block_data()
- Propagate SPI errors and fix incorrect error codes in ads7871
driver
- Fix i2c_smbus_write_byte_data wrapper argument type in max31785
driver
Device tree bindings:
- Convert npcm750-pwm-fan to DT schema
- Add bindings for Infineon XDP720, Microchip MCP998X, Sony APS-379,
Renesas RAA228942/3, Delta Q54SN120A1/7, XDPE1A2G5B/7B, Aosong
AHT10/20, DHT20, and TI INA234
- Adapt moortec,mr75203 bindings for T-Head TH1520"
* tag 'hwmon-for-v7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (82 commits)
hwmon: (ina233) Don't check for specific errors when parsing properties
hwmon: (isl28022) Don't check for specific errors when parsing properties
hwmon: (pmbus/tps25990) Don't check for specific errors when parsing properties
hwmon: (nct6683) Add customer ID for ASRock B650I Lightning WiFi
hwmon:(pmbus/xdp720) Add support for efuse xdp720
dt-bindings: hwmon/pmbus: Add Infineon XDP720
hwmon: add support for MCP998X
dt-bindings: hwmon: add support for MCP998X
hwmon: (powerz) Avoid cacheline sharing for DMA buffer
hwmon: (isl28022) Fix integer overflow in power calculation on 32-bit
hwmon: (pt5161l) Fix bugs in pt5161l_read_block_data()
hwmon: (powerz) Fix missing usb_kill_urb() on signal interrupt
hwmon: (powerz) Fix use-after-free on USB disconnect
hwmon: pmbus: Add support for Sony APS-379
dt-bindings: trivial-devices: Add sony,aps-379
hwmon: (yogafan) various markup improvements
hwmon: (sparx5) Make it selectable for ARCH_LAN969X
hwmon: (tmp102) add support for update interval
hwmon: (yogafan) fix markup warning
hwmon: (yogafan) Add support for Lenovo Yoga/Legion fan monitoring
...
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Merge tag 'v7.0-rc7' into char-misc-next
We need the char/misc/iio/comedi fixes in here as well for testing
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Nobody defines struct ina2xx_platform_data. Remove platform data support
from the drivers which still have it (it's effectively dead code) and
remove the header.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Acked-by: Jonathan Cameron <jonathan.cameron@huawei.com>
Link: https://lore.kernel.org/r/20260326-drop-ina2xx-pdata-v1-1-c159437bb2df@oss.qualcomm.com
[groeck: Fixed continuation line alignment]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Note that this pull is in addition to the 2nd set of such fixes that are
waiting to be picked up. Absolutely fine to queue these for the merge
window if that makes more sense.
Usual mixed back of ancient issues surfacing and newer problems.
adi,ad57770r
- Stop eating an error in read_raw.
adi,adxl313
- Check return of regmap_write() instead of ignoring it in one place.
adi,adxl355
- Fix the description of the temperature channel to be unsigned rather
than signed.
bosch,bmi160
- Avoid use of uninitialized data.
- Fix validation of small reference voltages.
hid-sensor-rotation:
- The timestamp location in this driver has unfortunately been broken for
a long time. Given it was correct for 6 years and then broken for the
next 6 years, use a one off hack to duplicate it in both locations.
The issue was as a result of the unique nature of quaternion
representation combined with large precision resulting in an
128 bit aligned channel.
nxp,sar-adc
- Avoid leaking a dma channel.
rfdigital,rfd77402
- Close a race between reinit_completion() and the irq happening.
ti,adc161s626
- Fix up buffer handling on big endian hosts which was broken due to
casting of pointers to different sized integers.
- Ensure a DMA safe buffer is used.
vishay,vcnl4035
- Fix up buffer handling on big endian hosts which was broken due to
casting of pointers to different sized integers.
vishay,veml6070
- Fix return value mess up that occurred when doing a guard() conversion.
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Merge tag 'iio-fixes-for-7.0c' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-linus
Jonathan writes:
IIO: 3rd set of fixes for the 7.0 cycle.
Note that this pull is in addition to the 2nd set of such fixes that are
waiting to be picked up. Absolutely fine to queue these for the merge
window if that makes more sense.
Usual mixed back of ancient issues surfacing and newer problems.
adi,ad57770r
- Stop eating an error in read_raw.
adi,adxl313
- Check return of regmap_write() instead of ignoring it in one place.
adi,adxl355
- Fix the description of the temperature channel to be unsigned rather
than signed.
bosch,bmi160
- Avoid use of uninitialized data.
- Fix validation of small reference voltages.
hid-sensor-rotation:
- The timestamp location in this driver has unfortunately been broken for
a long time. Given it was correct for 6 years and then broken for the
next 6 years, use a one off hack to duplicate it in both locations.
The issue was as a result of the unique nature of quaternion
representation combined with large precision resulting in an
128 bit aligned channel.
nxp,sar-adc
- Avoid leaking a dma channel.
rfdigital,rfd77402
- Close a race between reinit_completion() and the irq happening.
ti,adc161s626
- Fix up buffer handling on big endian hosts which was broken due to
casting of pointers to different sized integers.
- Ensure a DMA safe buffer is used.
vishay,vcnl4035
- Fix up buffer handling on big endian hosts which was broken due to
casting of pointers to different sized integers.
vishay,veml6070
- Fix return value mess up that occurred when doing a guard() conversion.
* tag 'iio-fixes-for-7.0c' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jic23/iio:
iio: light: veml6070: fix veml6070_read() return value
iio: adc: nxp-sar-adc: Fix DMA channel leak in trigger mode
iio: accel: adxl313: add missing error check in predisable
iio: dac: ad5770r: fix error return in ad5770r_read_raw()
iio: accel: fix ADXL355 temperature signature value
iio: light: vcnl4035: fix scan buffer on big-endian
iio: adc: ti-adc161s626: use DMA-safe memory for spi_read()
iio: adc: ti-adc161s626: fix buffer read on big-endian
iio: dac: mcp47feb02: Fix Vref validation [1-999] case
iio: imu: bmi160: Remove potential undefined behavior in bmi160_config_pin()
iio: orientation: hid-sensor-rotation: add timestamp hack to not break userspace
iio: proximity: rfd77402: Fix completion race condition in IRQ mode
Usual mixed bag of fixes for recent code and much older issues that have
surfaced. Biggest group are continued resolution of IRQF_ONE_SHOT
being used incorrectly (which now triggers a warning)
adi,ad4062
- Replace IRQF_ONESHOT (as no threaded handler) with IRQF_NO_THREAD as
the caller makes use of iio_trigger_poll() which cannot run from a
thread.
adi,ade9000
- Move mutex_init() earlier to ensure it is available if spurious IRQ
occurs.
adi,adis16550
- Fix swapped gyro and accel filter functions.
adi,adxl3380
- Fix some bit manipulation that was always resulting in 0.
- Fix incorrect register map for calibbias on the active power channel.
- Fix returning IRQF_HANDLED from a function that should return 0 or
-ERRNO.
aspeed,adc
- Clear a reference voltage bit that might be set prior to driver load.
bosch,bno055
- Off by one channel buffer sizing. Benine due to padding prior to the
subsequent timestamp.
hid-sensors
- A more complex fix to IRQF_ONESHOT warning as this driver had a trigger
that was never actually used but the ABI that exposed had to be
maintained to avoid regressions.
hid-sensors-rotation
- An obscure buffer alignment case that applies to quaternions only was
recently broken resulting in writes beyond the end of the channel buffer.
Add a new core macro and apply it in this driver to make it very clear
what was going on.
honeywell,abp2030pa
- Remove meaningless IRQF_ONESHOT from a non threaded IRQ handler.
Warning fix only.
invense,mpu3050
- Fix token passed to free_irq() to match the one used at setup.
- Fix an irq resource leak in error path.
- Reorder probe so that userspace interfaces are exposed only after
everything else has finished.
- Reorder remove slightly to cleanup the buffer only after irq removed
ensuring reverse of probe sequence.
microchip,mcp47feb02
- Fix use of mutex before it was initialized by not performing unnecessary
lock that was early enough in probe that all code was serial.
st,lsm6dsx
- Ensure that FIFO ODR is only controllable for accel and gyro channels
avoiding incorrect register accesses.
- Restrict separation of buffer sampling from main sampling rate to
accelerometer. It is only useful for running event detection faster
than the fifo and the only events are on the accelerometer.
ti,ads1018
- Fix overflow of u8 which wasn't big enough to store max data rate value.
ti,ads1119:
- Fix unbalanced pm in an error path.
- IRQF_ONESHOT (as no threaded handler) replaced with IRQF_NO_THREAD
(needed for iio_trigger_poll()).
- Ensure complete reinitialized before reuse. Previously it would have
completed immediate after the first time.
ti,ads7950
- Fix return value of gpio_get() to be 0 or 1.
- Avoid accidental overwrite of state resulting in gpio_get() only
returning 0 or -ERRNO but never 1.
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Merge tag 'iio-fixes-for-7.0b' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-linux
Jonathan writes:
IIO: 2nd set of fixes for the 7.0 cycle
Usual mixed bag of fixes for recent code and much older issues that have
surfaced. Biggest group are continued resolution of IRQF_ONE_SHOT
being used incorrectly (which now triggers a warning)
adi,ad4062
- Replace IRQF_ONESHOT (as no threaded handler) with IRQF_NO_THREAD as
the caller makes use of iio_trigger_poll() which cannot run from a
thread.
adi,ade9000
- Move mutex_init() earlier to ensure it is available if spurious IRQ
occurs.
adi,adis16550
- Fix swapped gyro and accel filter functions.
adi,adxl3380
- Fix some bit manipulation that was always resulting in 0.
- Fix incorrect register map for calibbias on the active power channel.
- Fix returning IRQF_HANDLED from a function that should return 0 or
-ERRNO.
aspeed,adc
- Clear a reference voltage bit that might be set prior to driver load.
bosch,bno055
- Off by one channel buffer sizing. Benine due to padding prior to the
subsequent timestamp.
hid-sensors
- A more complex fix to IRQF_ONESHOT warning as this driver had a trigger
that was never actually used but the ABI that exposed had to be
maintained to avoid regressions.
hid-sensors-rotation
- An obscure buffer alignment case that applies to quaternions only was
recently broken resulting in writes beyond the end of the channel buffer.
Add a new core macro and apply it in this driver to make it very clear
what was going on.
honeywell,abp2030pa
- Remove meaningless IRQF_ONESHOT from a non threaded IRQ handler.
Warning fix only.
invense,mpu3050
- Fix token passed to free_irq() to match the one used at setup.
- Fix an irq resource leak in error path.
- Reorder probe so that userspace interfaces are exposed only after
everything else has finished.
- Reorder remove slightly to cleanup the buffer only after irq removed
ensuring reverse of probe sequence.
microchip,mcp47feb02
- Fix use of mutex before it was initialized by not performing unnecessary
lock that was early enough in probe that all code was serial.
st,lsm6dsx
- Ensure that FIFO ODR is only controllable for accel and gyro channels
avoiding incorrect register accesses.
- Restrict separation of buffer sampling from main sampling rate to
accelerometer. It is only useful for running event detection faster
than the fifo and the only events are on the accelerometer.
ti,ads1018
- Fix overflow of u8 which wasn't big enough to store max data rate value.
ti,ads1119:
- Fix unbalanced pm in an error path.
- IRQF_ONESHOT (as no threaded handler) replaced with IRQF_NO_THREAD
(needed for iio_trigger_poll()).
- Ensure complete reinitialized before reuse. Previously it would have
completed immediate after the first time.
ti,ads7950
- Fix return value of gpio_get() to be 0 or 1.
- Avoid accidental overwrite of state resulting in gpio_get() only
returning 0 or -ERRNO but never 1.
* tag 'iio-fixes-for-7.0b' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (25 commits)
iio: imu: adis16550: fix swapped gyro/accel filter functions
iio: adc: aspeed: clear reference voltage bits before configuring vref
iio: adc: ti-ads1119: Reinit completion before wait_for_completion_timeout()
iio: adc: ti-ads1018: fix type overflow for data rate
iio: adc: ti-ads7950: do not clobber gpio state in ti_ads7950_get()
iio: adc: ti-ads7950: normalize return value of gpio_get
iio: orientation: hid-sensor-rotation: fix quaternion alignment
iio: add IIO_DECLARE_QUATERNION() macro
iio: adc: ti-ads1119: Replace IRQF_ONESHOT with IRQF_NO_THREAD
iio: imu: bno055: fix BNO055_SCAN_CH_COUNT off by one
iio: hid-sensors: Use software trigger
iio: adc: ad4062: Replace IRQF_ONESHOT with IRQF_NO_THREAD
iio: gyro: mpu3050: Fix out-of-sequence free_irq()
iio: gyro: mpu3050: Move iio_device_register() to correct location
iio: gyro: mpu3050: Fix irq resource leak
iio: gyro: mpu3050: Fix incorrect free_irq() variable
iio: imu: st_lsm6dsx: Set buffer sampling frequency for accelerometer only
iio: imu: st_lsm6dsx: Set FIFO ODR for accelerometer and gyroscope only
iio: dac: mcp47feb02: Fix mutex used before initialization
iio: adc: ade9000: fix wrong return type in streaming push
...
Add chip info structs and device table entries for ADRF5702 and ADRF5703
Digital Step Attenuators.
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Signed-off-by: Rodrigo Alencar <rodrigo.alencar@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add support for the SARADC found on the Amlogic Meson S4 SoC.
According to the documentation and current testing, it is fully
compatible with the G12A parameter set, so we reuse
`meson_sar_adc_g12a_data` for this new compatible string.
Although the device tree fallback mechanism could handle the match,
a dedicated entry is added to ensure the userspace ABI correctly
reports the specific part name ("meson-s4-saradc"). This allows
userspace to accurately identify the exact device and maintains
consistency across different firmware types where automatic fallback
parsing might be problematic.
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Nick Xie <nick@khadas.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The SHIFT13mi or SHIFTbook tablet device by the German manufacturer
SHIFT contains an STM LSM6DSO IMU declared in the DSDT with the
hardware ID SMOCF00. Add this ID to the ACPI match table so that the
driver binds correctly to this device.
WHO_AM_I register returns 0x6c, confirming LSM6DSO.
Signed-off-by: Milan Misic <twoexem@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
veml6070_read() computes the sensor value in ret but
returns 0 instead of the actual result. This causes
veml6070_read_raw() to always report 0.
Return the computed value instead of 0.
Running make W=1 returns no errors. I was unable
to test the patch because I do not have the hardware.
Found by code inspection.
Fixes: fc38525135 ("iio: light: veml6070: use guard to handle mutex")
Signed-off-by: Aldo Conte <aldocontelk@gmail.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add support for the STMicroelectronics VL53L1X Time-of-Flight
ranging sensor with I2C interface.
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Siratul Islam <email@sirat.me>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The vrefp_regs and vrefn_regs arrays are constant lookup tables and
are not modified.
Make them static const so they are not reinitialized on each probe
call and are placed in read-only memory. Mark the pointer array as
const as well to prevent unintended modification.
Signed-off-by: Giorgi Tchankvetadze <giorgitchankvetadze1997@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Replace sprintf() with sysfs_emit() in sysfs attribute show
callbacks. sysfs_emit() is the preferred API as it is aware of the
sysfs buffer page size limit.
Signed-off-by: Gabriel Rondon <grondon@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Replace the TODO comment in adf4350_set_freq() with a NOTE explaining
that a constant-time approach using fls_long() was attempted but deemed
more complex without meaningful benefit for initialization code.
Signed-off-by: Neel Bullywon <neelb2403@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add support for the LTC2305 ADC to the LTC2309 driver. The LTC2305 is
a 2-channel, 12-bit SAR ADC that is register-compatible with the
LTC2309 but has a different channel selection mapping and count.
To support multiple chips in this family, introduce ltc2309_chip_info
struct to store chip-specific channel specifications and names.
The probe function now uses i2c_get_match_data() to retrieve the
correct configuration for the detected device.
Specific channel addresses for LTC2305 (CH0, CH1, and differential
pairs) are added based on the datasheet.
Signed-off-by: Kyle Hsieh <kylehsieh1995@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The current ltc2309_channels enum relies on implicit sequential
assignment. While this works for the 8-channel LTC2309, it is
not intuitive and makes it difficult to support other chips in
the same family that might have different bit mappings.
Explicitly assign hex values to the enum members based on the
channel selection bits defined in the datasheet. This improves
code readability and provides a consistent pattern for future
chip support.
Signed-off-by: Kyle Hsieh <kylehsieh1995@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Fix a typo in the ADXL380_PART_ID_REG macro name where it was
incorrectly defined as ADLX380_PART_ID_REG.
Also update its usage in adxl380_setup().
Signed-off-by: Nikhil Gautam <nikhilgtr@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Parse optional maxim,rfs-ohms values to derive the per-channel output
current scale (mA per step) for the IIO current ABI.
Behavior changes:
- If maxim,rfs-ohms is present, IIO_CHAN_INFO_SCALE becomes available
and reports mA/step derived from Rfs.
- If maxim,rfs-ohms is missing, SCALE is not exposed to keep older DTs
working without requiring updates.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Refactor the driver to use the regmap API.
Replace the driver-specific mutex and manual shadow buffers with the
standard regmap infrastructure for locking and caching.
This ensures the cache is populated from hardware at probe, preventing
state desynchronization (e.g. across suspend/resume).
Define access tables to validate the different register maps of DS44x2
and DS44x4.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Sander Vanheule <sander@svanheule.net>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The DS4402/DS4404 variants operate with a 5-bit resolution (31 steps),
whereas the DS4422/DS4424 support 7-bit (127 steps).
Previously, the driver enforced a hardcoded 7-bit mask (DS4424_DAC_MASK)
for all variants. This allowed users to write values exceeding the 5-bit
range to DS4402/DS4404 devices, resulting in silent truncation or
undefined behavior.
Add a `result_mask` field to the chip_info structure to define the valid
data range for each variant. Use this mask to:
1. Correctly mask register values in read_raw().
2. Return -EINVAL in write_raw() if the input value exceeds the
variant's capabilities.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add I2C/OF IDs for DS4402 and DS4404 and set the correct channel count.
Follow-up changes add per-variant scaling based on external Rfs.
Co-developed-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: David Jander <david@protonic.nl>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The DS4422/DS4424 and DS4402/DS4404 datasheets do not specify a minimum
delay between power-up (POR) and the availability of the I2C interface.
The driver previously used `usleep_range(1000, 1200)` to enforce a ~1ms
delay. Replace this with `fsleep(1000)` to allow the kernel to select
the most efficient sleep mechanism while retaining the existing
conservative delay to ensure device readiness.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Refactor the driver to use device match data instead of checking ID enums
in a switch statement.
Define a `ds4424_chip_info` structure to hold variant-specific attributes
(currently just the channel count) and attach it directly to the I2C and
OF device ID tables.
This simplifies the probe function and makes it easier to add support for
new variants like DS4402/DS4404.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Rename the static `ds4424_info` structure to `ds4424_iio_info`.
The previous name was generic and could be confused with chip-specific
data structures (like the upcoming `ds4424_chip_info`). The new name
explicitly indicates that this structure holds the IIO framework
callbacks.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Sort the header inclusions alphabetically. This improves readability and
simplifies adding new includes in the future.
Group subsystem-specific headers (linux/iio/*) separately at the end
to clarify subsystem context.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Replace pr_err() with dev_err_ratelimited() in the RAW read path to avoid
log spam on repeated I2C failures and to include the device context.
Use %pe to print errno names for faster debugging. Use the parent
device context to identify the physical hardware causing the error.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Refactor the raw access logic to use standard GENMASK() and BIT()
macros. Use abs() for magnitude calculation to simplify the logic and
make the data flow clearer.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Merge tag 'v7.0-rc4' into togreg
Linux 7.0-rc4
Required for the ds4422 series which is build upon;
5187e03b81 ("iio: dac: ds4424: reject -128 RAW value")
The DMA channel was requested in nxp_sar_adc_buffer_postenable() but
was only released in nxp_sar_adc_buffer_software_do_predisable().
This caused a DMA channel resource leak when operating in trigger mode.
Fix this by moving dma_request_chan() from
nxp_sar_adc_buffer_postenable() into
nxp_sar_adc_buffer_software_do_postenable(), ensuring the DMA channel
is only requested in software mode.
Fixes: 4434072a89 ("iio: adc: Add the NXP SAR ADC support for the s32g2/3 platforms")
Signed-off-by: Felix Gu <ustc.gu@gmail.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Check the return value of the FIFO bypass regmap_write() before
proceeding to disable interrupts.
Fixes: ff8093fa6b ("iio: accel: adxl313: add buffered FIFO watermark with interrupt handling")
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Return the error code from regmap_bulk_read() instead of 0 so
that I/O failures are properly propagated.
Fixes: cbbb819837 ("iio: dac: ad5770r: Add AD5770R support")
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Temperature was wrongly represented as 12-bit signed, confirmed by checking
the datasheet. Even if the temperature is negative, the value in the
register stays unsigned.
Fixes: 12ed27863e iio: accel: Add driver support for ADXL355
Signed-off-by: Valek Andrej <andrej.v@skyrain.eu>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Use dev_err_probe() instead of dev_err() in the probe path to ensure
proper handling of deferred probing and to simplify error handling.
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Introduce a local struct device variable in ad9523_probe() to simplify
subsequent conversions and improve code readability.
Split pdata declaration and assignment since the result is validated
immediately after.
No functional change.
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Use dev_err_probe() instead of dev_err() in the probe path to ensure
proper handling of deferred probing and to simplify error handling.
Also fix the format specifier for vco_freq_hz from %lld to %llu since
it is u64 (unsigned), and add missing newline to the error message.
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Introduce a local struct device variable in admv4420_probe() to
simplify subsequent conversions and improve code readability.
No functional change.
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Format the multi-line comment in ad_sd_set_comm() according to
the kernel multi-line comment style.
Suggested-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Giorgi Tchankvetadze <giorgitchankvetadze1997@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Use iio_push_to_buffers_with_ts_unaligned() to avoid unaligned access
when writing the timestamp in the rx_buf.
The previous implementation would have been fine on architectures that
support 4-byte alignment of 64-bit integers but could cause issues on
architectures that require 8-byte alignment.
Fixes: 902c4b2446 ("iio: adc: New driver for TI ADS7950 chips")
Signed-off-by: David Lechner <dlechner@baylibre.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Rework vcnl4035_trigger_consumer_handler() so that we are not passing
what should be a u16 value as an int * to regmap_read(). This won't
work on bit endian systems.
Instead, add a new unsigned int variable to pass to regmap_read(). Then
copy that value into the buffer struct.
The buffer array is replaced with a struct since there is only one value
being read. This allows us to use the correct u16 data type and has a
side-effect of simplifying the alignment specification.
Also fix the endianness of the scan format from little-endian to CPU
endianness. Since we are using regmap to read the value, it will be
CPU-endian.
Fixes: 55707294c4 ("iio: light: Add support for vishay vcnl4035")
Signed-off-by: David Lechner <dlechner@baylibre.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add a DMA-safe buffer and use it for spi_read() instead of a stack
memory. All SPI buffers must be DMA-safe.
Since we only need up to 3 bytes, we just use a u8[] instead of __be16
and __be32 and change the conversion functions appropriately.
Fixes: 4d671b71be ("iio: adc: ti-adc161s626: add support for TI 1-channel differential ADCs")
Signed-off-by: David Lechner <dlechner@baylibre.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Rework ti_adc_trigger_handler() to properly handle data on big-endian
architectures. The scan data format is 16-bit CPU-endian, so we can't
cast it to a int * on big-endian and expect it to work. Instead, we
introduce a local int variable to read the data into, and then copy it
to the buffer.
Since the buffer isn't passed to any SPI functions, we don't need it to
be DMA-safe. So we can drop it from the driver data struct and just
use stack memory for the scan data.
Since there is only one data value (plus timestamp), we don't need an
array and can just declare a struct with the correct data type instead.
Also fix alignment of iio_get_time_ns() to ( while we are touching this.
Fixes: 4d671b71be ("iio: adc: ti-adc161s626: add support for TI 1-channel differential ADCs")
Signed-off-by: David Lechner <dlechner@baylibre.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Replace the per-call kmalloc() scratch buffer with the existing
buffer_data[] field present in struct st_sensor_data. The existing buffer
is DMA-aligned and sufficiently sized for all channel widths, so using it
avoids unnecessary dynamic memory allocation on each read.
This simplifies the code, removes redundant allocation and cleanup.
No functional change intended.
Signed-off-by: Sanjay Chitroda <sanjayembeddedse@gmail.com>
Reviewed-by: David Lechner <dlechner@baylibre.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The calibration divisor is not directly specified in the datasheet, but can be calculated:
I = Current_LSB * Current
Current = ShuntVoltage * CAL / calibration_divisor
CAL = 0.00512 / (Current_LSB * Rshunt)
ShuntVoltage = Vshunt / ShuntVoltage_LSB
=> I = (0.00512 / (calibration_divisor*ShuntVoltage_LSB)) * (Vshunt / Rshunt)
Ohm's law, I = Vshunt / Rshunt
=> 0.00512 / (calibration_divisor*ShuntVoltage_LSB) = 1
ShuntVoltage_LSB = 2.5 uV = 0.0000025 V
=> calibration_divisor = 2048
Signed-off-by: Chuang Zhu <git@chuang.cz>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Remove setting scan.chan[3] to zero. Since commit 433b99e922 ("iio:
light: as73211: Ensure buffer holes are zeroed"), the entire scan struct
is zeroed before being filled with data, so this is redundant.
Signed-off-by: David Lechner <dlechner@baylibre.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Fix incorrect spelling from Curren to Current.
Signed-off-by: Shi Hao <i.shihao.999@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Rephrase the comment and fix a spelling mistake.
- insuffient -> insufficient
Signed-off-by: Shi Hao <i.shihao.999@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Fix incorrect spelling from neeeds to needs.
Signed-off-by: Shi Hao <i.shihao.999@gmail.com>
Reviewed-by: Matti Vaittinen <mazziesaccount@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
