On Fri, Mar 20, 2015, at 10:17, Grzegorz Listwan wrote: > Mar 20 08:21:27 linux kernel: thinkpad_acpi: Unsupported brightness > interface, please contact ibm-acpi-devel@xxxxxxxxxxxxxxxxxxxxx You can just ignore this, it is likely going to be fixed in Linux 4.1, and anyway it is to be handled by the GPU drivers, not thinkpad-acpi. -- "One disk to rule them all, One disk to find them. One disk to bring them all and in the darkness grind them. In the Land of Redmond where the shadows lie." -- The Silicon Valley Tarot Henrique Holschuh ------------------------------------------------------------------------------ Dive into the World of Parallel Programming The Go Parallel Website, sponsored by Intel and developed in partnership with Slashdot Media, is your hub for all things parallel software development, from weekly thought leadership blogs to news, videos, case studies, tutorials and more. Take a look and join the conversation now. http://goparallel.sourceforge.net/ _______________________________________________ ibm-acpi-devel mailing list ibm-acpi-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/ibm-acpi-devel