1. 2015-08-28 [6] [ibm-acpi-devel] [PATCH] thinkpad_acpi: Remove side effects from vdbg_pr ibm-acpi-dev Darren Hart 2. 2015-08-14 [3] Re: [ibm-acpi-devel] Thinkpad keyboard backlight ACPI interface ibm-acpi-dev Fabio DUrso