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Lothar Rubusch
f6f22950d9
Inactivity and free-fall events are essentially the same type of sensor events. Therefore, inactivity detection (normally set for periods between 1 and 255 seconds) can be extended for shorter durations to support free-fall detection. For periods shorter than 1 second, the driver automatically configures the threshold and duration using the free-fall register. For periods longer than 1 second, it uses the inactivity threshold and duration using the inactivity registers. When using the free-fall register, the link bit is not set, which means auto-sleep cannot be enabled if activity detection is also active. Signed-off-by: Lothar Rubusch <l.rubusch@gmail.com> Link: https://patch.msgid.link/20250727210014.27766-6-l.rubusch@gmail.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.