[PULL v3] First set of iio new device support etc for the 5.5 cycle

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The following changes since commit b73b93a2af3392b9b7b8ba7e818ee767499f9655:

  iio: adc: ad7192: Add sysfs ABI documentation (2019-09-08 10:34:49 +0100)

are available in the Git repository at:

  https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git tags/iio-for-5.5a-take3

for you to fetch changes up to a521d52d1eb20265e830d155ff684453ea229c86:

  iio: pressure: bmp280: remove stray newline (2019-10-13 08:53:35 +0100)

----------------------------------------------------------------
First set of IIO new device support, cleanups and features for the 5.5 cycle

Third version with the adis rework set dropped as better to just have
a fresh version of that at some future date.

The usual mixed backs of new device support being added to drivers,
long term reworks continuing and little per driver cleanups and
features.

Also a few trivial counter subsystem tidy ups on behalf of William.

Core new feature
* Device label support.  A long requested feature no one got around to
  implementing before.  Allows DT based provision of a 'label' that
  identifies a device uniquely within a system.  This differs from existing
  'name' which is meant to be the part number.
New device support
* ingenic-adc
  - Support for the JZ4770 SoC ADC including bindings.
* inv_mpu6050
  - Add support for magnetometer in MPU925x parts.
    Fiddly to do as this is actually a separate device sitting inside the
    package, but with the master device being able to schedule reads etc.
    Will only run if the auxiliary bus is not in use for any other devices.

Features
* ad7192
  - Userspace calibration controls to do zero and full scale.
* st_lsm6dsx
  - Enable latched interrupts by default for sensors events with related clear.
  - Motion events and related wakeup source.  This needed quite a bit of
    refactoring as well.

Cleanups and minor features
* ad7192
  - sysfs ABI docs
* ad7949
  - Remove code to readback configuration word as driver never actually enabled
    it.
  - Fix incorrect xfer length.  Not actually known to cause problems other
    than wasted bus usage.
* adis16080
  - Replace core mlock usage with local lock with more appropriate scope.
* adis16130
  - Remove pointless mlock usage.
* adis16240
  - Remove include of gpio.h as no gpio usage.
* atlas-ph-sensor
  - Improve logical ordering of buffer predisable / postenable functions.
    This is part of a longer term rework Alexandru is driving towards.
* bh1750
  - Fix up a static compiler warning and make the code more readable.
  - yaml conversion of binding + MAINTAINERS entry.
* bmp280
  - Drop a stray newline.
* cm36651
  - Drop a redundant assignment
* itg3200
  - Alignment cleanup.
* max31856
  - Add missing of_node and parent references, useful to identify the device.
* sc27xx_adc
  - Use devm_hwspin_lock_request_specific rather than local rolled version.
* stm32-lptimer counter
  - kernel-doc warning.
* stm32-timer counter
  - kernel-doc warning.
  - Alignment cleanup.
* sx9500
  - Improve logical ordering of buffer predisable / postenable functions.
    This is part of a longer term rework Alexandru is driving towards.
* tcs3414
  - Improve logical ordering of buffer predisable / postenable functions.
    This is part of a longer term rework Alexandru is driving towards.

----------------------------------------------------------------
Alexandru Ardelean (5):
      iio: tcs3414: fix iio_triggered_buffer_{pre,post}enable positions
      iio: gyro: adis16130: remove mlock usage
      iio: gyro: adis16080: replace mlock with own lock
      iio: proximity: sx9500: fix iio_triggered_buffer_{predisable,postenable} positions
      iio: chemical: atlas-ph-sensor: fix iio_triggered_buffer_predisable() position

Andrea Merello (3):
      iio: ad7949: kill pointless "readback"-handling code
      iio: max31856: add missing of_node and parent references to iio_dev
      iio: ad7949: fix incorrect SPI xfer len

Artur Rojek (3):
      dt-bindings: iio/adc: Add a compatible string for JZ4770 SoC ADC
      dt-bindings: iio/adc: Add AUX2 channel idx for JZ4770 SoC ADC
      IIO: Ingenic JZ47xx: Add support for JZ4770 SoC ADC.

Baolin Wang (1):
      iio: adc: sc27xx: Use devm_hwspin_lock_request_specific() to simplify code

Bartosz Golaszewski (1):
      iio: pressure: bmp280: remove stray newline

Colin Ian King (3):
      iio: light: cm36651: redundant assignment to variable ret
      counter: stm32: clean up indentation issue
      iio: gyro: clean up indentation issue

Fabrice Gasnier (2):
      counter: stm32-timer-cnt: fix a kernel-doc warning
      counter: stm32-lptimer-cnt: fix a kernel-doc warning

Jean-Baptiste Maneyrol (7):
      iio: imu: inv_mpu6050: disable i2c mux for MPU925x
      iio: imu: inv_mpu6050: add header include protection macro
      iio: imu: inv_mpu6050: add defines for supporting 9-axis chips
      iio: imu: inv_mpu6050: fix objects syntax in Makefile
      iio: imu: inv_mpu6050: helpers for using i2c master on auxiliary bus
      iio: imu: inv_mpu6050: add MPU925x magnetometer support
      iio: imu: inv_mpu6050: add fifo support for magnetometer data

Krzysztof Wilczynski (1):
      iio: light: bh1750: Resolve compiler warning and make code more readable

Lorenzo Bianconi (2):
      iio: imu: st_lsm6dsx: enable LIR for sensor events
      iio: imu: st_lsm6dsx: enable clear on read for latched interrupts

Mircea Caprioru (2):
      iio: adc: ad_sigma_delta: Export ad_sd_calibrate
      staging: iio: adc: ad7192: Add system calibration support

Phil Reid (2):
      dt-binding: iio: Add optional label property
      iio: core: Add optional symbolic label to device attributes

Rohit Sarkar (1):
      staging: iio: ADIS16240: Remove unused include

Sean Nyekjaer (5):
      iio: imu: st_lsm6dsx: move interrupt thread to core
      iio: imu: st_lsm6dsx: add motion events
      iio: imu: st_lsm6dsx: add wakeup-source option
      iio: imu: st_lsm6dsx: always enter interrupt thread
      iio: imu: st_lsm6dsx: add motion report function and call from interrupt

Tomasz Duszynski (2):
      dt-bindings: iio: light: bh1750: convert bindings to yaml
      MAINTAINERS: add entry for ROHM BH1750 driver

 Documentation/ABI/testing/sysfs-bus-iio-adc-ad7192 |  24 ++
 .../devicetree/bindings/iio/adc/ingenic,adc.txt    |   1 +
 .../devicetree/bindings/iio/iio-bindings.txt       |   5 +
 .../devicetree/bindings/iio/light/bh1750.txt       |  18 -
 .../devicetree/bindings/iio/light/bh1750.yaml      |  43 ++
 MAINTAINERS                                        |   6 +
 drivers/counter/stm32-lptimer-cnt.c                |   2 +-
 drivers/counter/stm32-timer-cnt.c                  |   6 +-
 drivers/iio/adc/ad7949.c                           |  33 +-
 drivers/iio/adc/ad_sigma_delta.c                   |   3 +-
 drivers/iio/adc/ingenic-adc.c                      | 149 +++++--
 drivers/iio/adc/sc27xx_adc.c                       |  16 +-
 drivers/iio/chemical/atlas-ph-sensor.c             |   8 +-
 drivers/iio/gyro/adis16080.c                       |   8 +-
 drivers/iio/gyro/adis16130.c                       |   2 -
 drivers/iio/gyro/itg3200_core.c                    |   2 +-
 drivers/iio/imu/inv_mpu6050/Makefile               |   7 +-
 drivers/iio/imu/inv_mpu6050/inv_mpu_aux.c          | 204 ++++++++++
 drivers/iio/imu/inv_mpu6050/inv_mpu_aux.h          |  19 +
 drivers/iio/imu/inv_mpu6050/inv_mpu_core.c         | 152 +++++++-
 drivers/iio/imu/inv_mpu6050/inv_mpu_i2c.c          |  60 ++-
 drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h          |  70 +++-
 drivers/iio/imu/inv_mpu6050/inv_mpu_magn.c         | 356 +++++++++++++++++
 drivers/iio/imu/inv_mpu6050/inv_mpu_magn.h         |  36 ++
 drivers/iio/imu/inv_mpu6050/inv_mpu_ring.c         |  11 +-
 drivers/iio/imu/inv_mpu6050/inv_mpu_trigger.c      |  86 +++-
 drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h            |  50 +++
 drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c     |  78 +---
 drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c       | 434 ++++++++++++++++++++-
 drivers/iio/industrialio-core.c                    |  17 +
 drivers/iio/light/bh1750.c                         |   4 +-
 drivers/iio/light/cm36651.c                        |   2 +-
 drivers/iio/light/tcs3414.c                        |  30 +-
 drivers/iio/pressure/bmp280-core.c                 |   1 -
 drivers/iio/proximity/sx9500.c                     |  16 +-
 drivers/iio/temperature/max31856.c                 |   2 +
 drivers/staging/iio/accel/adis16240.c              |   1 -
 drivers/staging/iio/adc/ad7192.c                   |  79 +++-
 include/dt-bindings/iio/adc/ingenic,adc.h          |   1 +
 include/linux/iio/adc/ad_sigma_delta.h             |   2 +
 include/linux/iio/iio.h                            |   2 +
 41 files changed, 1817 insertions(+), 229 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/iio/light/bh1750.txt
 create mode 100644 Documentation/devicetree/bindings/iio/light/bh1750.yaml
 create mode 100644 drivers/iio/imu/inv_mpu6050/inv_mpu_aux.c
 create mode 100644 drivers/iio/imu/inv_mpu6050/inv_mpu_aux.h
 create mode 100644 drivers/iio/imu/inv_mpu6050/inv_mpu_magn.c
 create mode 100644 drivers/iio/imu/inv_mpu6050/inv_mpu_magn.h



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