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iio: chemical: sps30: allow changing self cleaning period

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Sensor can periodically trigger self cleaning. Period can be changed by
writing a new value to a dedicated attribute. Upon attribute read
current period gets returned.

Signed-off-by: Tomasz Duszynski <tduszyns@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Tomasz Duszynski
2019-01-15 20:00:06 +01:00
committed by Jonathan Cameron
parent 8b1352a008
commit 62129a0849
2 changed files with 145 additions and 18 deletions
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20
Documentation/ABI/testing/sysfs-bus-iio-sps30
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@@ -6,3 +6,23 @@ Description:
Writing 1 starts sensor self cleaning. Internal fan accelerates
to its maximum speed and keeps spinning for about 10 seconds in
order to blow out accumulated dust.
What: /sys/bus/iio/devices/iio:deviceX/cleaning_period
Date: January 2019
KernelVersion: 5.1
Contact: linux-iio@vger.kernel.org
Description:
Sensor is capable of triggering self cleaning periodically.
Period can be changed by writing a new value here. Upon reading
the current one is returned. Units are seconds.
Writing 0 disables periodical self cleaning entirely.
What: /sys/bus/iio/devices/iio:deviceX/cleaning_period_available
Date: January 2019
KernelVersion: 5.1
Contact: linux-iio@vger.kernel.org
Description:
The range of available values in seconds represented as the
minimum value, the step and the maximum value, all enclosed in
square brackets.