On Sun, 13 Jun 2010, Zhang Rui wrote: > Then we update the lid switch status when a Lid notification comes. > right? Yes. > Then, IMO, userspace can get the lid status > via /sys/class/input/inputX/uevent, right? No, only through an IOCTL. > /sys/class/input/input1/uevent:EV==21 That's an bitmap of al EV_EV it supports. > /sys/class/input/input1/uevent:SW==1 That's an bitmap of al EV_SW it supports. > Lid is opened but SW is set, I tried to close/open the lid and found > that this bit never changes. is there something I misunderstand? can we > get the lid status in userspace? IOCTL(), only. Since nobody got a input-utils standard package (or added something to util-linux) yet to do that (AFAIK anyway), it is a MAJOR annoyance for shell scripts that want to query EV_SW state... -- "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 linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
