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1What: /sys/kernel/debug/ec/*/{gpe,use_global_lock,io}2Date: July 20103Contact: Thomas Renninger <trenn@suse.de>4Description:5 6General information like which GPE is assigned to the EC and whether7the global lock should get used.8Knowing the EC GPE one can watch the amount of HW events related to9the EC here (XY -> GPE number from `/sys/kernel/debug/ec/*/gpe`):10/sys/firmware/acpi/interrupts/gpeXY11 12The io file is binary and a userspace tool located here:13ftp://ftp.suse.com/pub/people/trenn/sources/ec/14should get used to read out the 256 Embedded Controller registers15or writing to them.16 17CAUTION:18 Do not write to the Embedded Controller if you don't know19 what you are doing! Rebooting afterwards also is a good idea.20 This can influence the way your machine is cooled and fans may21 not get switched on again after you did a wrong write.22