the following patch was just integrated into master: commit 67584f210a95188a5ff0d517130ac3cad4f38964 Author: Vladimir Serbinenko phcoder@gmail.com Date: Wed Aug 13 23:04:46 2014 +0200
lenovo/x200: Fix black screen on quick boot.
Otherwise without USB when coreboot boots too quickly EC is confused and thinks that LID is closed and so powers off the backlight until user flaps the lid.
Change-Id: I14dfaa62582de83fd4c9f9518e9436b3a3035366 Signed-off-by: Vladimir Serbinenko phcoder@gmail.com Reviewed-on: http://review.coreboot.org/6651 Reviewed-by: Ronald G. Minnich rminnich@gmail.com Reviewed-by: Paul Menzel paulepanter@users.sourceforge.net Tested-by: build bot (Jenkins)
See http://review.coreboot.org/6651 for details.
-gerrit