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2019-04-04iio: chemical: sps30: fix attribute kernel versionTomasz Duszynski1-1/+1
4.22 have never existed and this change was actually added to 5.0 hence fix the numbering. Signed-off-by: Tomasz Duszynski <tduszyns@gmail.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2019-01-19iio: chemical: sps30: allow changing self cleaning periodTomasz Duszynski1-0/+20
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>
2019-01-05iio: chemical: sps30: add support for self cleaningTomasz Duszynski1-0/+8
Self cleaning is especially useful in cases where sensor undergoes frequent power on/off cycles. In such scenarios it is recommended to turn self cleaning at least once per week in order to maintain reliable measurements. Self cleaning is activated by writing 1 to a dedicated attribute. Internal fan accelerates to its maximum speed and keeps spinning for about 10 seconds blowing out accumulated dust. Signed-off-by: Tomasz Duszynski <tduszyns@gmail.com> Tested-by: Andreas Brauchli <andreas.brauchli@sensirion.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>