staging:iio-trig-periodic-rtc: Allow to reset frequency to 0

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periodic rtc trigger initially has frequency 0

it is possible to change trigger frequency on-the-fly, but it is not
possible to set frequency back to 0

this patch allows to set trigger frequency to 0, thereby disabling
the rtc interrupt

Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

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Peter Meerwald 2014-12-06 06:00:00 +00:00 • committed by Jonathan Cameron

parent 1c70f7bebc

commit 9d2f79abdf

1 changed files with 16 additions and 3 deletions

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drivers/staging/iio/trigger/iio-trig-periodic-rtc.c

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