iio: core: introduce trough info element for minimum values

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The IIO_CHAN_INFO_PEAK info element is used for maximum values and
currently there is no equivalent for minimum values. Instead of
overloading the existing peak info element, a new info element can
be added.

In principle there is no need to add a _TROUGH_SCALE element as the
scale will be the same as the one required for INFO_PEAK, which in
turn is sometimes omitted if a single scale for peaks and raw values
is required.

Add an IIO_CHAN_INFO_TROUGH info element for minimum values.

Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://lore.kernel.org/r/20231211122747.9723-1-579lpy@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

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Javier Carrasco 2023-12-11 20:27:47 +08:00 • committed by Jonathan Cameron

parent 8b0d4c40d7

commit 5bc2ea6089

2 changed files with 2 additions and 0 deletions

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drivers/iio/industrialio-core.c

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1

include/linux/iio/types.h

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