From 87d5fb89fe5224dbb743be5bffa4d3f524263f2b Mon Sep 17 00:00:00 2001 From: Gwendal Grignou Date: Thu, 19 Jan 2017 18:30:21 -0800 Subject: 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 Reviewed-on: https://review.coreboot.org/18173 Tested-by: build bot (Jenkins) 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(+) create mode 100644 src/ec/google/chromeec/acpi/tbmc.asl (limited to 'src') 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) + } + } +} -- cgit v1.2.3