From b9da3cd891b21f0916ccf3e333f9ed77219620d2 Mon Sep 17 00:00:00 2001 From: Christoph Grenz Date: Wed, 19 Oct 2011 02:25:08 +0200 Subject: [PATCH] w83627hf: add method to retrieve wake event source register to ASL include Add a method WAKS to devtree.asl which returns the wake-up source register to simplify retrieving the wake source e.g. in \_WAK. Change-Id: Ia258f8fc9ff79b18391c55464da73863889e2255 Signed-off-by: Christoph Grenz Reviewed-on: http://review.coreboot.org/297 Tested-by: build bot (Jenkins) Reviewed-by: Stefan Reinauer --- src/superio/winbond/w83627hf/devtree.asl | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/src/superio/winbond/w83627hf/devtree.asl b/src/superio/winbond/w83627hf/devtree.asl index cbc132d467..aa18841e62 100644 --- a/src/superio/winbond/w83627hf/devtree.asl +++ b/src/superio/winbond/w83627hf/devtree.asl @@ -1503,5 +1503,22 @@ Scope (\_SB) } } #endif + + /* Returns the wake source register. + It is cleared after reading. + Bit 0: Keyboard wake-up event + Bit 1: Mouse wake-up event + Bit 2: Power button event + Bit 3: CIR wake-up event + Bit 4: Power loss event + Bit 5: VSB power loss status + */ + Method (WAKS) { + ENCM () + Store (0x0A, LDN) + Store (CRE3, Local0) + EXCM () + Return (Local0) + } } }