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authorDaniel Drake <drake@endlessm.com>2019-10-14 16:56:02 +0800
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2019-10-28 16:00:09 +0100
commit406857f773b082bc88edfd24967facf4ed07ac85 (patch)
treecf0ab4483ba63c0ea5a79138c79114437846bd5f /include/acpi
parent4446abc9a10954e5d09dd2b894912348a22e7009 (diff)
ACPI: EC: add support for hardware-reduced systems
As defined in the ACPI spec section 12.11, ACPI hardware-reduced platforms define the EC SCI interrupt as a GpioInt in the _CRS object. This replaces the previous way of using a GPE for this interrupt; GPE blocks are not available on reduced hardware platforms. Add support for handling this interrupt as an EC event source, and avoid GPE usage on reduced hardware platforms. This enables the use of several media keys (e.g. screen brightness up/down) on Asus UX434DA. Signed-off-by: Daniel Drake <drake@endlessm.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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