[PATCH v3 0/2] Driver for Microchip digital potentiometers

[Peter Rosin]

From: Peter Rosin <peda@xxxxxxxxxx>

This is the third attempt for a driver for these chips.

Thanks for review comments from Crt Mori, Daniel Baluta,
Lars-Peter Clauson and Andreas Dannenberg. I think and hope I
got it all sorted.

Changes since v2:
- Change naming from mcp4xxx_dpot to mcp4531 (Daniel)
- Added links to datasheet in commit message and source (Daniel)
- Rename from pot to potentiometer (Daniel, Crt)
- Use IIO_RESISTANCE instead of IIO_STEPS (Crt, Lars-Peter)
- Don't use wildcards in MAINTAINERS and point to the iio list (Crt)
- Avoid races by not caching values (Crt)
- Spell Microchip correctly (Andreas)

Changes since v1:
- Make it an IIO driver instead
- Don't convolute the code with big obscure macros
- Inline the bits from mcp4xxx_dpot.h that are actually used
  and drop that file
- Better Changelog

Cheers,
Peter

Peter Rosin (2):
  iio: resistance: Document that resistance can be output
  iio: mcp4531: Driver for Microchip digital potentiometers

 Documentation/ABI/testing/sysfs-bus-iio |    2 +
 MAINTAINERS                             |    6 +
 drivers/iio/Kconfig                     |    1 +
 drivers/iio/Makefile                    |    1 +
 drivers/iio/potentiometer/Kconfig       |   20 ++++
 drivers/iio/potentiometer/Makefile      |    6 +
 drivers/iio/potentiometer/mcp4531.c     |  200 +++++++++++++++++++++++++++++++
 7 files changed, 236 insertions(+)
 create mode 100644 drivers/iio/potentiometer/Kconfig
 create mode 100644 drivers/iio/potentiometer/Makefile
 create mode 100644 drivers/iio/potentiometer/mcp4531.c

-- 
1.7.10.4

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