On Wed, 2007-04-04 at 11:44 -0700, David Brownell wrote: > I'm not sure I understand the question. ACPI has a special "acpi_device" > node (not backed by any "real" device, PNPACPI etc) with a driver that > hooks up to the input subsystem. Same is true for a couple other fixed > function buttons. I'd expect non-ACPI platforms would do something very > similar, except using platform_device and looking less cryptic. No, the thing is more: how would we represent the lid as a device in sysfs? Currently, our PMU only has a sysdev because it doesn't need more. Would you suggest doing a PMU-bus and than hanging "lid" off of that? johannes
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