On Mon, 19 Mar 2018 18:02:43 +0100
Peter Rosin <peda@xxxxxxxxxx> wrote:
> 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?
It is pretty much how I would have implemented it as well.
Will probably do a detailed review over the weekend.
Not convinced entirely on the 'wrapper' naming though.
Will think about it...
Jonathan
>
> 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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