
Handle "jack sense" hp/speaker switching by polling for an interrupt
instead of using unsolicited events.

Already supported codecs with custom unsolicited event handlers
are not affected, yet.

from Alexey Suslikov, thanks

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars