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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>
This commit is contained in:
Gwendal Grignou 2017-01-19 18:30:21 -08:00 committed by Duncan Laurie
parent 3d3c8c30ea
commit 87d5fb89fe
2 changed files with 36 additions and 0 deletions
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7
src/ec/google/chromeec/acpi/ec.asl
View File

@ -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
}

29
src/ec/google/chromeec/acpi/tbmc.asl Normal file
View File

@ -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)
}
}
}