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On some systems, if suspend-to-idle is used, the EC may signal system wakeup events (power button events, for example) as well as events that should not cause the system to resume and acpi_ec_dispatch_gpe() needs to be called to determine whether or not the system should resume then. In particular, if acpi_ec_dispatch_gpe() doesn't detect any EC events at all, the system should remain suspended, so it is useful to know when that is the case. For this reason, make acpi_ec_dispatch_gpe() return a bool value indicating whether or not any EC events have been detected by it. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Acked-by: Thomas Gleixner <tglx@linutronix.de>
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 Restructured Text 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.