| /* SPDX-License-Identifier: GPL-2.0-only */ | |
| External(LCD0, DeviceObj) | |
| Name (BRCT, 0) | |
| Method(BRID, 1, NotSerialized) | |
| { | |
| Local0 = Match (BRIG, MEQ, Arg0, MTR, 0, 2) | |
| If (Local0 == Ones) | |
| { | |
| Return (SizeOf(BRIG) - 1) | |
| } | |
| Return (Local0) | |
| } | |
| Method (XBCL, 0, NotSerialized) | |
| { | |
| BRCT = 1 | |
| Return (BRIG) | |
| } | |
| /* Display Output Switching */ | |
| Method (_DOS, 1) | |
| { | |
| } | |
| /* | |
| * Decrement display brightness. | |
| * | |
| * Using Notify is the right way. But Windows doesn't handle | |
| * it well. So use both method in a way to avoid double action. | |
| */ | |
| Method (DECB, 0, NotSerialized) | |
| { | |
| If (BRCT) | |
| { | |
| Notify (LCD0, 0x87) | |
| } Else { | |
| Local0 = BRID (XBQC ()) | |
| If (Local0 != 2) | |
| { | |
| Local0-- | |
| } | |
| XBCM (DerefOf (BRIG[Local0])) | |
| } | |
| } | |
| /* | |
| * Increment display brightness. | |
| */ | |
| Method (INCB, 0, NotSerialized) | |
| { | |
| If (BRCT) | |
| { | |
| Notify (LCD0, 0x86) | |
| } Else { | |
| Local0 = BRID (XBQC ()) | |
| If (Local0 != SizeOf(BRIG) - 1) | |
| { | |
| Local0++ | |
| } | |
| XBCM (DerefOf (BRIG[Local0])) | |
| } | |
| } |