Created attachment 977862 [details] dmesg output First off, I didn't know what component this was for, so sorry about this. I would think it would be for the kernel, but I didn't see an option for that. Description of problem: Brightness controls for my HP Envy 17t-3200 no longer works for anything between full-brightnes and no brightness (the display stays on, just the backlight turns completely off). It previously worked under the Rawhide kernels I was pulling back in my Fedora 20 days a while ago (I switched during the first F21 alpha release). Additionally, when resuming from sleep, the screen brightness is set to something about 50% or lower, where it's hard to use, and cannot be adjusted with the buttons. The OSD for brightness works correctly and the backlight turns off when the brightness is turned all the way down, so it doesn't seem to be a keyboard issue. Though when looking at dmesg I get "Unknown key pressed" statements. Version-Release number of selected component (if applicable): Kernel 3.18.1-2 How reproducible: Always
Created attachment 977863 [details] laptop details
Additionally I do not have any brightness issues on Windows.
Tried some various ACPI options, to no avail (all show that "radeon_bl0" is the only device under "/sys/class/backlight" as well): acpi_osi= acpi_osi=Linux acpi_osi=Linux acpi_backlight=vendor video.use_native_backlight=1
The after-sleep probably may be separate - see Bug 1058083.
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