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authorFurquan Shaikh <furquan@chromium.org>2017-03-21 11:20:26 -0700
committerMartin Roth <martinroth@google.com>2017-03-22 17:54:36 +0100
commit219daafa8fc27483b2a652d9428d874bf960a6a1 (patch)
treec61fed7cc452b7c32f5a16e25a7e1b95f1b683ef /src
parentffe58107df667b5142e3c3efd25c1ee3360038bf (diff)
downloadcoreboot-219daafa8fc27483b2a652d9428d874bf960a6a1.tar.xz
google/chromeec: Ensure \_SB.LID0 is present before using it
Since we want to support devices that do not have a lid but still use EC, we need to conditionally check if referencing \_SB.LID0 is valid. BUG=b:35775024 Change-Id: I92433460ec870fb07f48e67a6dfc61e3c036a129 Signed-off-by: Furquan Shaikh <furquan@chromium.org> Reviewed-on: https://review.coreboot.org/18941 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Diffstat (limited to 'src')
-rw-r--r--src/ec/google/chromeec/acpi/ec.asl11
1 files changed, 9 insertions, 2 deletions
diff --git a/src/ec/google/chromeec/acpi/ec.asl b/src/ec/google/chromeec/acpi/ec.asl
index a40d0acbc0..67cee27adf 100644
--- a/src/ec/google/chromeec/acpi/ec.asl
+++ b/src/ec/google/chromeec/acpi/ec.asl
@@ -26,6 +26,9 @@ External (\_SB.DPTF.TEVT, MethodObj)
External (\_SB.DPTF.TCHG, DeviceObj)
#endif
External (\_SB.DPTF.TPET, MethodObj)
+#ifndef EC_ENABLE_LID_SWITCH
+External (\_SB.LID0, DeviceObj)
+#endif
Device (EC0)
{
@@ -169,7 +172,9 @@ Device (EC0)
#ifdef EC_ENABLE_LID_SWITCH
Notify (LID0, 0x80)
#else
- Notify (\_SB.LID0, 0x80)
+ If (CondRefOf (\_SB.LID0)) {
+ Notify (\_SB.LID0, 0x80)
+ }
#endif
}
@@ -181,7 +186,9 @@ Device (EC0)
#ifdef EC_ENABLE_LID_SWITCH
Notify (LID0, 0x80)
#else
- Notify (\_SB.LID0, 0x80)
+ If (CondRefOf (\_SB.LID0)) {
+ Notify (\_SB.LID0, 0x80)
+ }
#endif
}