x86, olpc: EC SCI wakeup mask functionality
Update the EC SCI masks with recent additions. Add functions to query SCI events and set the wakeup mask, to be used by followup patches. Add functions to tweak an event mask used to select certain EC events as a system wakeup source. Also add a function to determine if EC wakeup functionality is available, as this depends on child drivers (different for each laptop model) to configure the SCI interrupt. Signed-off-by: Daniel Drake <dsd@laptop.org> Link: http://lkml.kernel.org/r/1309019658-1712-7-git-send-email-dsd@laptop.orgAcked-by: Andres Salomon <dilinger@queued.net> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
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