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platform/chrome: chromeos_tbmc - fix SPDX identifier 

Original submission was GPLv2 only, so mark as GPL-2.0.
Also restored some descriptive lines that were there before.

Signed-off-by: Benson Leung <bleung@chromium.org>
This commit is contained in:
Benson Leung 2018-06-05 14:05:29 -07:00
parent ce397d215c
commit c474e9f2be
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1 changed files with 9 additions and 1 deletions
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drivers/platform/chrome/chromeos_tbmc.c
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@ -1,8 +1,16 @@
// SPDX-License-Identifier: GPL-2.0+
// SPDX-License-Identifier: GPL-2.0
// Driver to detect Tablet Mode for ChromeOS convertible.
//
// Copyright (C) 2017 Google, Inc.
// Author: Gwendal Grignou <gwendal@chromium.org>
//
// On Chromebook using ACPI, this device listens for notification
// from GOOG0006 and issue method TBMC to retrieve the status.
//
// GOOG0006 issues the notification when it receives EC_HOST_EVENT_MODE_CHANGE
// from the EC.
// Method TBMC reads EC_ACPI_MEM_DEVICE_ORIENTATION byte from the shared
// memory region.
#include <linux/acpi.h>
#include <linux/input.h>