diff options
Diffstat (limited to 'src/mainboard/lenovo/s230u/acpi/gpe.asl')
-rw-r--r-- | src/mainboard/lenovo/s230u/acpi/gpe.asl | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/src/mainboard/lenovo/s230u/acpi/gpe.asl b/src/mainboard/lenovo/s230u/acpi/gpe.asl new file mode 100644 index 0000000000..a69f5629b1 --- /dev/null +++ b/src/mainboard/lenovo/s230u/acpi/gpe.asl @@ -0,0 +1,57 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (c) 2017 Tobias Diedrich <ranma+coreboot@tdiedrich.de> + * + * 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. + */ + +Scope (_GPE) +{ + Field(GPIO, ByteAcc, NoLock, Preserve) + { + Offset(0x2c), // GPIO Invert + , 2, + GV02, 1, + , 1, + GV04, 1, + } + + Name (PDET, Zero) + Method (PNOT, 2, Serialized) { + ShiftLeft (Arg0, Arg1, Local0) + Not( ShiftLeft (One, Arg1), Local1) + Or (Local0, And (Local1, PDET), PDET) + If (LEqual (PDET, Zero)) { + // Palm removed + \_SB.PCI0.LPCB.EC0.HKEY.MHKQ (0x60B1) + } Else { + // Palm detected + \_SB.PCI0.LPCB.EC0.HKEY.MHKQ (0x60B0) + } + } + + /* Palm detect sensor 1 */ + Method (_L12, 0, NotSerialized) { + // Invert trigger + Store(GP02, GV02) + + PNOT (GP02, 0) + } + + /* Palm detect sensor 2 */ + Method (_L14, 0, NotSerialized) { + // Invert trigger + Store(GP04, GV04) + + PNOT (GP04, 1) + } +} |