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authorAaron Durbin <adurbin@chromium.org>2016-09-23 16:06:14 -0500
committerAaron Durbin <adurbin@chromium.org>2016-09-26 23:52:41 +0200
commit05201d778336f474e3f9df55431340fa95521aee (patch)
tree110d08ebc4015cbb7c460ab5070d02265a7f1790 /src/ec
parentc64a6d63ed9cbd20d8acd8d50ce76af275cca526 (diff)
downloadcoreboot-05201d778336f474e3f9df55431340fa95521aee.tar.xz
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 <adurbin@chromium.org> Reviewed-on: https://review.coreboot.org/16732 Reviewed-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-by: Furquan Shaikh <furquan@google.com> Tested-by: build bot (Jenkins)
Diffstat (limited to 'src/ec')
-rw-r--r--src/ec/google/chromeec/acpi/ec.asl24
1 files changed, 24 insertions, 0 deletions
diff --git a/src/ec/google/chromeec/acpi/ec.asl b/src/ec/google/chromeec/acpi/ec.asl
index db3fff723f..b182766947 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