New patch to review for coreboot: ec/google/chromeec: provide optional ASL lid switch implementation

[Aaron Durbin]

Aaron Durbin ([e-mail]) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/16732

-gerrit

commit 12783ca62cd49cb244e249308ff06158e81f7786
Author: Aaron Durbin 
Date:   Fri Sep 23 16:06:14 2016 -0500

ec/google/chromeec: provide optional ASL lid switch implementation

Instead of relying on the mainboards to provide their own LID0
    ACPI device, provide the infrastructure so that the mainboards
    can signal to the EC ASL code to provide the default lid switch
    implementation.

BUG=chrome-os-partner:56677

Change-Id: Ie43b1c4f8522db1245f1f479bfdb685d3066121d
    Signed-off-by: Aaron Durbin 
---
 src/ec/google/chromeec/acpi/ec.asl | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/src/ec/google/chromeec/acpi/ec.asl b/src/ec/google/chromeec/acpi/ec.asl
index db3fff7..b182766 100644
--- a/src/ec/google/chromeec/acpi/ec.asl
+++ b/src/ec/google/chromeec/acpi/ec.asl
@@ -68,6 +68,22 @@ Device (EC0)
    	#include "emem.asl"
    }

+#ifdef EC_ENABLE_LID_SWITCH
+	/* LID Switch */
+	Device (LID0)
+	{
+		Name (_HID, EisaId ("PNP0C0D"))
+		Method (_LID, 0)
+		{
+			Return (^^LIDS)
+		}
+
+#ifdef EC_ENABLE_WAKE_PIN
+		Name (_PRW, Package () { EC_ENABLE_WAKE_PIN, 0x5 })
+#endif
+	}
+#endif
+
    Method (TINS, 1, Serialized)
    {
    	Switch (ToInteger (Arg0))
@@ -150,7 +166,11 @@ Device (EC0)
    {
    	Store ("EC: LID CLOSE", Debug)
    	Store (LIDS, \LIDS)
+#ifdef EC_ENABLE_LID_SWITCH
+		Notify (LID0, 0x80)
+#else
    	Notify (_SB.LID0, 0x80)
+#endif
    }

// Lid Open Event
@@ -158,7 +178,11 @@ Device (EC0)
    {
    	Store ("EC: LID OPEN", Debug)
    	Store (LIDS, \LIDS)
+#ifdef EC_ENABLE_LID_SWITCH
+		Notify (LID0, 0x80)
+#else
    	Notify (_SB.LID0, 0x80)
+#endif
    }

// Power Button