1. 2015-11-24 [1] [ibm-acpi-devel] Detecting screen foliding/flipping on ThinkPad Yoga 12 ibm-acpi-dev Ragnar_Brynjúlfsson 2. 2015-11-06 [1] Re: [ibm-acpi-devel] [PATCH] thinkpad_acpi: don't yell on unsupported br ibm-acpi-dev Darren Hart