media-keys: Support screen brightness adjustment button, the KEY_BRIGHTNESS_CYCLE EV_KEY
The Acer Veriton Z4660G/Z4860G/Z6860G series AIO desktops have a brightness button in the bottom. The KEY_BRIGHTNESS_CYCLE event will be sent from ACPI video module in kernel when the button is pressed.
Since the commits have been merged to belonging projects:
- commit ed67b29ecc "Map evdev keycode KEY_BRIGHTNESS_CYCLE to XF86MonBrightnessCycle" for xkeyboard-config.
- commit 4e9f4e61 "XF86keysym: Add XF86XK_MonBrightnessCycle" for xorgproto.
- commit 9b85d96d2 "Sync Keysyms with recent xproto additions" for libxkbcommon.
We can have the commits to enable the brightness button. #117 (closed)
Edited by Jian-Hong Pan