[RFC v1 0/4] iio: new chemical sensor framework and channel types

[Matt Ranostay]

Initial RFC for new chemical sensor framework, IIO_CONCENTRATION,
and IIO_RESISTANCE channel types.

Important notes:
* Not been tested on real hardware yet but that isn't the main RFC reason and
  once hardware is in hand it will be verified
* Reason the IIO_CONCENTRATION type isn't in percent but has modifiers for ppm
  and ppb is the scale value for the latter would cause a integer overflow
  using IIO_VAL_FRACTIONAL

Matt Ranostay (4):
  iio: chemical: Add IIO_CONCENTRATION channel type
  iio: resistance: add IIO_RESISTANCE channel type
  devicetree: add SGX Sensortech vendor id
  iio: chemical: add SGX VZ89x VOC sensor support

 Documentation/ABI/testing/sysfs-bus-iio            |  16 ++
 .../devicetree/bindings/i2c/trivial-devices.txt    |   1 +
 .../devicetree/bindings/vendor-prefixes.txt        |   1 +
 drivers/iio/Kconfig                                |   1 +
 drivers/iio/Makefile                               |   1 +
 drivers/iio/chemical/Makefile                      |   6 +
 drivers/iio/chemical/vz89x.c                       | 237 +++++++++++++++++++++
 drivers/iio/industrialio-core.c                    |   4 +
 include/uapi/linux/iio/types.h                     |   4 +
 9 files changed, 271 insertions(+)
 create mode 100644 drivers/iio/chemical/Makefile
 create mode 100644 drivers/iio/chemical/vz89x.c

-- 
1.9.1

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