Patch set updated for coreboot: ec/google/chromeec: Add support for tablet mode switch driver

[Gwendal Grignou]

Gwendal Grignou ([e-mail]) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/18173

-gerrit

commit 738d1f9998c755f004c0ccfd0fbb1e37ca610a28
Author: Gwendal Grignou 
Date:   Thu Jan 19 18:30:21 2017 -0800

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 
    Reviewed-on: https://chromium-review.googlesource.com/430951
    Reviewed-by: Duncan Laurie 
---
 src/ec/google/chromeec/acpi/ec.asl   |  7 +++++++
 src/ec/google/chromeec/acpi/tbmc.asl | 29 +++++++++++++++++++++++++++++
 2 files changed, 36 insertions(+)

diff --git a/src/ec/google/chromeec/acpi/ec.asl b/src/ec/google/chromeec/acpi/ec.asl
index b182766..a40d0ac 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 0000000..25a27ef1b
--- /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)
+		}
+	}
+}