Hello! I finally essentially perfected my Dell 3542 (wifi card coming in the mail). The one problem I'm facing now is trying to get the keyboard brightness controls to work. I patched my DSDT with Haswell patch and installed the ACPIBacklight kext which got my brightness slider working but my keyboard brightness controls are glitchy. If I tap the brightness up, the brightness will keep going up by itself unless I hit brightness down and vice versa. After hitting either combo once, the keys...
Dell 3542 keyboard brightness control issue
Dell 3542 keyboard brightness control issue