[Bug 111293] [chv][regression][bisected] Brightness adjustment on Lenovo Miix 320-10ICR is broken since Linux 5.3rc1

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111293

--- Comment #4 from Chris Wilson <chris at chris-wilson.co.uk> ---
Two drivers for one bit of backlight HW, doomed to fail.

If the acpi driver exposed a /sys/class/backlight, xf86-video-intel should have
still found it.

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