[PATCH 0/3] iio: add unit converter

From: Peter Rosin
Date: Mon Mar 19 2018 - 13:03:18 EST


Hi!

This moves the iio-mux driver to a new category, since I think
it will be the single driver in that category forever, and now
I'm adding a new driver that is somewhat similar in nature...

But that rename is not very interesting, it's just reshuffling.
It's the new driver that I need. Specifically, I need to allow
linear scaling and modification of the type of an io-channel.
I don't know exactly how that is accomplished in the best way,
but this is what I came up with.

The use cases are an ADC hooked up to measure a "big" voltage by
looking at the midpoint of a voltage divider, and an ADC used
to measure the current by looking at the voltage over a resistor.

Comments?

Cheers,
Peter

Peter Rosin (3):
iio: rename the multiplexer category to wrapper
dt-bindings: iio: wrapper: add io-channel-unit-converter
iio: wrapper: unit-converter: new driver

.../{multiplexer => wrapper}/io-channel-mux.txt | 0
.../iio/wrapper/io-channel-unit-converter.txt | 84 +++++++
MAINTAINERS | 11 +-
drivers/iio/Kconfig | 2 +-
drivers/iio/Makefile | 2 +-
drivers/iio/multiplexer/Makefile | 6 -
drivers/iio/{multiplexer => wrapper}/Kconfig | 13 +-
drivers/iio/wrapper/Makefile | 7 +
drivers/iio/{multiplexer => wrapper}/iio-mux.c | 0
drivers/iio/wrapper/iio-unit-converter.c | 268 +++++++++++++++++++++
10 files changed, 381 insertions(+), 12 deletions(-)
rename Documentation/devicetree/bindings/iio/{multiplexer => wrapper}/io-channel-mux.txt (100%)
create mode 100644 Documentation/devicetree/bindings/iio/wrapper/io-channel-unit-converter.txt
delete mode 100644 drivers/iio/multiplexer/Makefile
rename drivers/iio/{multiplexer => wrapper}/Kconfig (53%)
create mode 100644 drivers/iio/wrapper/Makefile
rename drivers/iio/{multiplexer => wrapper}/iio-mux.c (100%)
create mode 100644 drivers/iio/wrapper/iio-unit-converter.c

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2.11.0