On Monday 01 June 2015 23:19:09 Philip Tibom wrote: > [1.] One line summary of the problem: > [Asus Zenbook Pro UX501JW] Backlight control via hotkeys does not work > > > > [2.] Full description of the problem/report: > When using the default open source drivers, backlight control does not > work via keyboard hotkeys on Asus Zenbook Pro UX501JW. > > WORKAROUND: The backlight can be manually set while running on the > integrated intel graphics (not with hotkeys).
Setting acpi_osi= on the kernel command line is a workaround for many ASUS laptops running UEFI firmware (I have one of those too). Although I did not observe any obvious unwanted side effects with this option, I have no idea which other ACPI functions are influenced by it. See also: https://bugzilla.kernel.org/show_bug.cgi?id=89401 https://bugzilla.kernel.org/show_bug.cgi?id=70241 -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
