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Commit10a08fd65e("ACPI: PM: Set up EC GPE for system wakeup from drivers that need it") assumed that the EC GPE would only need to be set up for system wakeup if either the intel-hid or the intel-vbtn driver was in use, but that turns out to be incorrect. In particular, on ASUS Zenbook UX430UNR/i7-8550U, if the EC GPE is not enabled while suspended, the system cannot be woken up by opening the lid or pressing a key, and that machine doesn't use any of the drivers mentioned above. For this reason, always set up the EC GPE for system wakeup from suspend-to-idle by setting and clearing its wake mask in the ACPI suspend-to-idle callbacks. Fixes:10a08fd65e("ACPI: PM: Set up EC GPE for system wakeup from drivers that need it") Reported-by: Kristian Klausen <kristian@klausen.dk> Tested-by: Kristian Klausen <kristian@klausen.dk> Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.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 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.