| Duncan Laurie | ef549a0 | 2015-09-01 09:47:55 -0700 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of the coreboot project. |
| 3 | * |
| 4 | * Copyright (C) 2015 Google Inc. |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; version 2 of the License. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| Duncan Laurie | ef549a0 | 2015-09-01 09:47:55 -0700 | [diff] [blame] | 14 | */ |
| 15 | |
| 16 | Scope (\_SB) |
| 17 | { |
| 18 | /* |
| 19 | * Chrome EC Keyboard Backlight interface |
| 20 | */ |
| 21 | Device (KBLT) |
| 22 | { |
| 23 | Name (_HID, "GOOG0002") |
| 24 | Name (_UID, 1) |
| 25 | |
| 26 | /* Read current backlight value */ |
| 27 | Method (KBQC, 0, NotSerialized) |
| 28 | { |
| 29 | Return (\_SB.PCI0.LPCB.EC0.KBLV) |
| 30 | } |
| 31 | |
| 32 | /* Write new backlight value */ |
| 33 | Method (KBCM, 1, NotSerialized) |
| 34 | { |
| 35 | Store (Arg0, \_SB.PCI0.LPCB.EC0.KBLV) |
| 36 | } |
| 37 | } |
| 38 | } |