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authorGwendal Grignou <gwendal@chromium.org>2017-01-19 18:30:21 -0800
committerDuncan Laurie <dlaurie@chromium.org>2017-02-07 01:44:52 +0100
commit87d5fb89fe5224dbb743be5bffa4d3f524263f2b (patch)
treead225667cbb27a54030cd8e78851a14b6c4baf33 /src/ec
parent3d3c8c30ead13f641d97e4b526547fe5af71522f (diff)
downloadcoreboot-87d5fb89fe5224dbb743be5bffa4d3f524263f2b.tar.xz
ec/google/chromeec: Add support for tablet mode switch driver
Add a new driver GOOG0006 to report tablet switch to user space. On glados based convertible, check that with a new kernel driver (cros_ec_tbmc) that evtest collects tablet switch changes. Change-Id: I6821eaac1feb6c182bc973aaa2f747e687715afb Signed-off-by: Gwendal Grignou <gwendal@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/430951 Reviewed-by: Duncan Laurie <dlaurie@google.com> Reviewed-on: https://review.coreboot.org/18173 Tested-by: build bot (Jenkins) Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Diffstat (limited to 'src/ec')
-rw-r--r--src/ec/google/chromeec/acpi/ec.asl7
-rw-r--r--src/ec/google/chromeec/acpi/tbmc.asl29
2 files changed, 36 insertions, 0 deletions
diff --git a/src/ec/google/chromeec/acpi/ec.asl b/src/ec/google/chromeec/acpi/ec.asl
index b182766947..a40d0acbc0 100644
--- a/src/ec/google/chromeec/acpi/ec.asl
+++ b/src/ec/google/chromeec/acpi/ec.asl
@@ -322,6 +322,7 @@ Device (EC0)
Notify (CREC, 0x80)
}
+#ifdef EC_ENABLE_TABLET_EVENT
// TABLET mode switch Event
Method (_Q1D, 0, NotSerialized)
{
@@ -329,7 +330,9 @@ Device (EC0)
If (CondRefOf (\_SB.DPTF.TPET)) {
\_SB.DPTF.TPET()
}
+ Notify (TBMC, 0x80)
}
+#endif
/*
* Dynamic Platform Thermal Framework support
@@ -478,4 +481,8 @@ Device (EC0)
#ifdef EC_ENABLE_PD_MCU_DEVICE
#include "pd.asl"
#endif
+
+#ifdef EC_ENABLE_TABLET_EVENT
+ #include "tbmc.asl"
+#endif
}
diff --git a/src/ec/google/chromeec/acpi/tbmc.asl b/src/ec/google/chromeec/acpi/tbmc.asl
new file mode 100644
index 0000000000..25a27ef1be
--- /dev/null
+++ b/src/ec/google/chromeec/acpi/tbmc.asl
@@ -0,0 +1,29 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2017 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+Device (TBMC)
+{
+ Name (_HID, "GOOG0006")
+ Name (_UID, 1)
+ Name (_DDN, "Tablet Motion Control")
+ Method (TBMC)
+ {
+ If (LEqual (^^RCTM, One)) {
+ Return (0x1)
+ } Else {
+ Return (0x0)
+ }
+ }
+}