1. 2014-01-26 [1] [ibm-acpi-devel] "Unsupported brightness interface" message ibm-acpi-dev Nikolay Amiantov 2. 2014-01-20 [1] Re: [ibm-acpi-devel] [PATCH 0/4] thinkpad_acpi: Add support for controll ibm-acpi-dev Pavel Machek