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Documentation: iio: Clarify meaning of IIO_DISTANCE channel type

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IIO_DISTANCE is used for two purposes: for pedometers to record the
distance covered by a walker, and to measure the distance to an object

IIO_DISTANCE is in meters while IIO_PROXIMITY is a unitless measure
indirectly proportional to distance (higher value relates to a closer
object)

Signed-off-by: Peter Meerwald-Stadler <pmeerw@pmeerw.net>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Peter Meerwald-Stadler 2017-10-10 15:48:46 +02:00 committed by Jonathan Cameron
parent 3888ffd0c7
commit d35d43d783
1 changed files with 3 additions and 3 deletions
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6
Documentation/ABI/testing/sysfs-bus-iio
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@ -1242,9 +1242,9 @@ What: /sys/.../iio:deviceX/in_distance_raw
KernelVersion: 4.0
Contact: linux-iio@vger.kernel.org
Description:
This attribute is used to read the distance covered by the user
since the last reboot while activated. Units after application
of scale are meters.
This attribute is used to read the measured distance to an object
or the distance covered by the user since the last reboot while
activated. Units after application of scale are meters.
What: /sys/bus/iio/devices/iio:deviceX/store_eeprom
KernelVersion: 3.4.0