On Wed, 31 Oct 2012, Sebastian Riemer wrote: > I've noticed the ACPI embedded controller (EC) support in the > "thinkpad_acpi" driver. > > New Samsung laptops (NP530U3C, NP900X4B, NP900X3C, ...) also have an EC > which isn't supported by the generic ACPI driver. The lid, the battery > status and the power supply status are connected to it. > > How did you implement the EC support in the thinkpad driver? Did you > have documentation or was it done by reverse engineering? It was done through lots of trial and error by several people over more than a decade, and sometime ago SuSE managed to get me in contact with some Lenovo ThinkPad firmware engineers in Japan, which did help a lot. However, thinkpad-acpi is an old driver, you might want to ask the maintainers of newer WMI-based drivers about how they are managing... -- "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 -- To unsubscribe from this list: send the line "unsubscribe platform-driver-x86" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
