[PATCH v3 0/5] iio: mlx90614 enhancements

["Vianney le Clément de Saint-Marcq" <vianney.leclement@essensium.com>]

Many thanks Jonathan and Lars for taking time reviewing this series.  Please
find next follow-up patches addressing your comments.

This set of patches adds the following additional features to the
mlx90614 temperature sensor driver.

* Emissivity setting (patch 3)
* Power management (patch 4)
* Handle errors in temperature reading (patch 5)

The changes have been split into 5 patches to ease code review.
Patch 1 introduces IIO_CHAN_INFO_CALIBEMISSIVITY in iio core and is a
prerequisite of patch 3.
Patch 2 introduces devicetree bindings documentation, which is complemented by
patch 4.
Patches 3-5 implement the additional features and are mostly independent
from each other.

Patches 2 and 4 introduce device tree bindings and are the only one sent to the
devicetree list.

Patch set history:
v3:
* Rebase on iio.git testing branch, drop 3 merged patches
* Rename IIO_CHAN_INFO_EMISSIVITY to IIO_CHAN_INFO_CALIBEMISSIVITY
* Split basic devicetree bindings into separate patch
* Make _probe and _remove mirror images
* Return -EIO instead of -EREMOTEIO on read error

v2:
* Drop processed temperature output (v1 patch 3)
* Drop raw IR values for now (v1 patch 7)
* Drop iir, fir, and gain attributes for now (v1 patch 5)
* Introduce standard attribute for emissivity (patches 4 and 5)
* Add patch 7, fixing wrong readings
* Return -EINTR when wake-up is interrupted during read (patch 6)
* Make adding vendor prefix explicit in commit message of patch 6

Vianney le Clément de Saint-Marcq (5):
  iio: core: Introduce IIO_CHAN_INFO_CALIBEMISSIVITY
  iio: mlx90614: Add devicetree bindings documentation
  iio: mlx90614: Add emissivity setting
  iio: mlx90614: Add power management
  iio: mlx90614: Check for errors in read values

 Documentation/ABI/testing/sysfs-bus-iio            |  11 +
 .../bindings/iio/temperature/mlx90614.txt          |  24 ++
 .../devicetree/bindings/vendor-prefixes.txt        |   1 +
 drivers/iio/industrialio-core.c                    |   1 +
 drivers/iio/temperature/mlx90614.c                 | 355 ++++++++++++++++++++-
 include/linux/iio/iio.h                            |   1 +
 6 files changed, 389 insertions(+), 4 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/iio/temperature/mlx90614.txt

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2.3.4