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authorDuncan Laurie <dlaurie@chromium.org>2014-03-06 08:37:49 -0800
committerIsaac Christensen <isaac.christensen@se-eng.com>2014-09-29 17:28:25 +0200
commit3f1500f54f7d5d0bdc4b2f3a99cb7768d31066cc (patch)
tree8dc51584a24279bd9a6c5fd3413edbc9016205eb /src/ec
parent1f8d246d2f69e9f130a736204faa77685a0cc937 (diff)
downloadcoreboot-3f1500f54f7d5d0bdc4b2f3a99cb7768d31066cc.tar.xz
google/chromeec: Notify DPTF charger participant on AC state change
The DPTF charger particpant device needs to be notified when the AC state changes so it can re-evaluate the PPCC object and apply the proper charge rate limit if necessary. Change-Id: I6723754e2fe12862f50709875140fcadcddb18eb Signed-off-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/189029 Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-by: Brad Geltz <brad.geltz@intel.com> (cherry picked from commit ed1ee577014421b021e8814edc91a1b696bf9eed) Signed-off-by: Isaac Christensen <isaac.christensen@se-eng.com> Reviewed-on: http://review.coreboot.org/6951 Tested-by: build bot (Jenkins) Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
Diffstat (limited to 'src/ec')
-rw-r--r--src/ec/google/chromeec/acpi/ec.asl7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/ec/google/chromeec/acpi/ec.asl b/src/ec/google/chromeec/acpi/ec.asl
index 5218c88c40..650efd2573 100644
--- a/src/ec/google/chromeec/acpi/ec.asl
+++ b/src/ec/google/chromeec/acpi/ec.asl
@@ -26,6 +26,7 @@
// Mainboard specific throttle handler
External (\_TZ.THRT, MethodObj)
External (\_SB.DPTF.TEVT, MethodObj)
+External (\_SB.DPTF.TCHG, DeviceObj)
Device (EC0)
{
@@ -205,6 +206,9 @@ Device (EC0)
Store ("EC: AC CONNECTED", Debug)
Store (ACEX, \PWRS)
Notify (AC, 0x80)
+ If (CondRefOf (\_SB.DPTF.TCHG)) {
+ Notify (\_SB.DPTF.TCHG, 0x80)
+ }
\PNOT ()
}
@@ -214,6 +218,9 @@ Device (EC0)
Store ("EC: AC DISCONNECTED", Debug)
Store (ACEX, \PWRS)
Notify (AC, 0x80)
+ If (CondRefOf (\_SB.DPTF.TCHG)) {
+ Notify (\_SB.DPTF.TCHG, 0x80)
+ }
\PNOT ()
}