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[Solved] Quest to enable hotkeys for Asus X550Z

Following previous topic, testing the build kernel 4.8.0rc4 with the patch related to ACPI EC allow unlocking the functionality of hotkeys. For the first time, ASUS X550ZE has nearly full functionality from keyboard in Linux operating system (Fedora in my case) on par with Microsoft Windows 8.1 and 10.  Hopefully other laptops having similar problem will regain that access.

For that learned experience, that bug turned out more complex than expected revealing a different ACPI scheme used in Microsoft Windows 10 and a bad practice from BIOS vendor. It also shows how some vendors ignore standard procedure thus making harder to find the problem.

The important lesson is the cooperation between users and developers exchanging knowledge and discovering new elements never seen before. One day, vendors will open themselves approaching the kernel community to improve their products.

Now the hotkeys saga comes to the end, the next step is the support of AMD hybrid graphic card. This blog is written on ASUS X550ZE running on AMD A10 7400P itself using Radeon M265DX.
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