kbd: Add keyboard polling
Some devices don't have legacy interrupt support, but still use
need to use a legacy keyboard. This patch adds a KBC check and manual call
to the keyboard service if there is a key waiting in the KBC.
BUG=chrome-os-partner:30836
BRANCH=None
TEST=Build and boot Rambi SeaBIOS.
Change-Id: I11033d29ec26b5a772588a0aa1a35678ab05a462
Signed-off-by: Marc Jones <marc.jones@se-eng.com>
Reviewed-on: https://chromium-review.googlesource.com/219803
Reviewed-by: Mike Loptien <mike.loptien@se-eng.com>
Tested-by: Mike Loptien <mike.loptien@se-eng.com>
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
4 files changed
