iio: core: Introduce DISTANCE channel type

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Some devices export an estimation of the distance the user has covered
since the last reset.

One of this devices is Freescale's MMA9553L
(http://www.freescale.com/files/sensors/doc/ref_manual/MMA9553LSWRM.pdf)
that computes the distance based on the stride length and step rate.

Introduce a new channel type DISTANCE to export these values.

Signed-off-by: Irina Tirdea <irina.tirdea@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

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Irina Tirdea 2015-01-11 21:10:08 +02:00 • committed by Jonathan Cameron

parent 72c6664467

commit cc3c9eecae

3 changed files with 12 additions and 0 deletions

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10

Documentation/ABI/testing/sysfs-bus-iio

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1

drivers/iio/industrialio-core.c

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1

include/linux/iio/types.h

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