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On the Peaq C1010 2-in-1 INT33FC:00 pin 3 is connected to a "dolby" button. At the ACPI level an _AEI event-handler is connected which sets an ACPI variable to 1 on both edges. This variable can be polled + cleared to 0 using WMI. Since the variable is set on both edges the WMI interface is pretty useless even when polling. So instead of writing a custom WMI driver for this the x86-android-tablets code instantiates a gpio-keys platform device for the "dolby" button. Add an ignore_interrupt quirk for INT33FC:00 pin 3 on the Peaq C1010, so that it is not seen as busy when the gpio-keys driver requests it. Note this replaces a hack in x86-android-tablets where it would call acpi_gpiochip_free_interrupts() on the INT33FC:00 GPIO controller. acpi_gpiochip_free_interrupts() is considered private (internal) gpiolib API so x86-android-tablets should stop using it. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org> Link: https://lore.kernel.org/r/20230909141816.58358-3-hdegoede@redhat.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.