Gwendal Grignou (gwendal@chromium.org) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/18173
-gerrit
commit 738d1f9998c755f004c0ccfd0fbb1e37ca610a28 Author: Gwendal Grignou gwendal@chromium.org 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 gwendal@chromium.org Reviewed-on: https://chromium-review.googlesource.com/430951 Reviewed-by: Duncan Laurie dlaurie@google.com --- 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) + } + } +}