iio: mma8452: add support for runtime power management

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This adds support for runtime power management and, if configured, activates
automatic standby after 2 seconds of inactivity.

Inactivity means no read of acceleration values and no events triggered or
activated.

If CONFIG_PM is not set, this doesn't change anything for existing users.

Signed-off-by: Martin Kepplinger <martink@posteo.de>
Signed-off-by: Christoph Muellner <christoph.muellner@theobroma-systems.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

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Martin Kepplinger 2016-03-03 09:24:03 +01:00 • committed by Jonathan Cameron

parent e866853d67

commit 96c0cb2bbf

1 changed files with 108 additions and 10 deletions

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118

drivers/iio/accel/mma8452.c

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