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Author SHA1 Message Date
Greg Kroah-Hartman
fba51482b6 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
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Merge tag 'iio-for-6.4a' of 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
  ...
 2023-04-12 09:45:34 +02:00
Greg Kroah-Hartman
4bffd2c7a3 1st set of IIO fixes for 6.3 
Usual mixed bag:
 
 - core - output buffers
   Fix return of bytes written when only some succeed.
   Fix O_NONBLOCK handling to not block.
 
 - adi,ad7791
   Fix IRQ type.  Not confirmed to have any impact but good to correct it anyway
 
 - adi,adis16400
   Missing CONFIG_CRC32
 
 - capella,cm32181
   Unregister 2nd I2C client if one is used.
 
 - cio-dac
   Fix bitdepth for range check on write.
 
 - linear,ltc2497
   Fix a wrong shift of the LSB introduced when switching to be24 handling.
 
 - maxim,max11410
   Fix handling of return code in read_poll_timeout()
 
 - qcom,spmi-adc
   Fix an accidental change of channel name to include the reg value from OF.
 
 - ti,palmas
   Fix a null dereference on remove due to wrong function used to get the
   drvdata.
 
 - ti,ads7950
   Mark GPIO as can sleep.
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Merge tag 'iio-fixes-for-6.3a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-linus

Jonathan writes:

1st set of IIO fixes for 6.3

Usual mixed bag:

- core - output buffers
  Fix return of bytes written when only some succeed.
  Fix O_NONBLOCK handling to not block.

- adi,ad7791
  Fix IRQ type.  Not confirmed to have any impact but good to correct it anyway

- adi,adis16400
  Missing CONFIG_CRC32

- capella,cm32181
  Unregister 2nd I2C client if one is used.

- cio-dac
  Fix bitdepth for range check on write.

- linear,ltc2497
  Fix a wrong shift of the LSB introduced when switching to be24 handling.

- maxim,max11410
  Fix handling of return code in read_poll_timeout()

- qcom,spmi-adc
  Fix an accidental change of channel name to include the reg value from OF.

- ti,palmas
  Fix a null dereference on remove due to wrong function used to get the
  drvdata.

- ti,ads7950
  Mark GPIO as can sleep.

* tag 'iio-fixes-for-6.3a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio:
  iio: adc: ti-ads7950: Set `can_sleep` flag for GPIO chip
  iio: adc: palmas_gpadc: fix NULL dereference on rmmod
  iio: adc: max11410: fix read_poll_timeout() usage
  iio: dac: cio-dac: Fix max DAC write value check for 12-bit
  iio: light: cm32181: Unregister second I2C client if present
  iio: accel: kionix-kx022a: Get the timestamp from the driver's private data in the trigger_handler
  iio: adc: ad7791: fix IRQ flags
  iio: buffer: make sure O_NONBLOCK is respected
  iio: buffer: correctly return bytes written in output buffers
  iio: light: vcnl4000: Fix WARN_ON on uninitialized lock
  iio: adis16480: select CONFIG_CRC32
  drivers: iio: adc: ltc2497: fix LSB shift
  iio: adc: qcom-spmi-adc5: Fix the channel name
 2023-03-28 13:30:55 +02:00
Nuno Sá
7b3825e948 iio: adc: max11410: fix read_poll_timeout() usage 
Even though we are passing 'ret' as stop condition for
read_poll_timeout(), that return code is still being ignored. The reason
is that the poll will stop if the passed condition is true which will
happen if the passed op() returns error. However, read_poll_timeout()
returns 0 if the *complete* condition evaluates to true. Therefore, the
error code returned by op() will be ignored.

To fix this we need to check for both error codes:
 * The one returned by read_poll_timeout() which is either 0 or
ETIMEDOUT.
 * The one returned by the passed op().

Fixes: a44ef7c460 ("iio: adc: add max11410 adc driver")
Signed-off-by: Nuno Sá <nuno.sa@analog.com>
Acked-by: Ibrahim Tilki <Ibrahim.Tilki@analog.com>
Link: https://lore.kernel.org/r/20230307095303.713251-1-nuno.sa@analog.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
 2023-03-12 15:25:24 +00:00
Mehdi Djait
f700e55ef6 iio: Rename iio_trigger_poll_chained and add kernel-doc 
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>
 2023-03-11 12:18:29 +00:00
Andy Shevchenko
591a6bc7f4 iio: adc: max11410: Use asm intead of asm-generic 
There is no point to specify asm-generic for the unaligned.h.
Drop the 'generic' suffix and move the inclusion to be after
the non-IIO linux/* ones.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20230103144903.39905-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
 2023-01-08 12:13:09 +00:00
Ibrahim Tilki
99b43a1591 iio: adc: max11410: fix incomplete vref buffer mask 
VREFP bit was missing from channel configuration mask and VREFN bit was
included twice instead which fails to enable positive reference buffer when
requested by a channel. Channels that don't enable vrefp buffer were not
affected.

Fixes: a44ef7c460 ("iio: adc: add max11410 adc driver")
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Ibrahim Tilki <Ibrahim.Tilki@analog.com>
Link: https://lore.kernel.org/r/20221122114718.17557-1-Ibrahim.Tilki@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
 2022-11-23 20:32:16 +00:00
Ibrahim Tilki
a44ef7c460 iio: adc: add max11410 adc driver 
Adding support for max11410 24-bit, 1.9ksps delta-sigma adc which
has 3 differential reference and 10 differential channel inputs.
Inputs and references can be buffered internally. Inputs can also
be amplified with internal PGA.

Device has four digital filter modes: FIR50/60, FIR50, FIR60 and SINC4.
FIR 50Hz and 60Hz rejections can be enabled/disabled separately.
Digital filter selection affects sampling frequency range so driver
has to consider the configured filter when configuring sampling frequency.

Signed-off-by: Ibrahim Tilki <Ibrahim.Tilki@analog.com>
Link: https://lore.kernel.org/r/20221003105903.229-2-Ibrahim.Tilki@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
 2022-11-23 19:43:59 +00:00