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-rw-r--r--src/mainboard/google/kahlee/acpi/mainboard.asl24
1 files changed, 24 insertions, 0 deletions
diff --git a/src/mainboard/google/kahlee/acpi/mainboard.asl b/src/mainboard/google/kahlee/acpi/mainboard.asl
index e98d26defd..b7dbc147da 100644
--- a/src/mainboard/google/kahlee/acpi/mainboard.asl
+++ b/src/mainboard/google/kahlee/acpi/mainboard.asl
@@ -34,3 +34,27 @@ Name (SSFG, 0x0D)
Name (OSVR, 3) /* WinXp = 1, Vista = 2, Linux = 3, WinCE = 4 */
Name (OSV, Ones) /* Assume nothing */
Name (PMOD, One) /* Assume APIC */
+
+Device (ETPA)
+{
+ Name (_HID, "ELAN0000")
+ Name (_DDN, "Elan Touchpad")
+ Name (_UID, 1)
+ Name (ISTP, 1) /* Touchpad */
+
+ Name (_CRS, ResourceTemplate()
+ {
+ I2cSerialBus (
+ 0x15, /* SlaveAddress */
+ ControllerInitiated, /* SlaveMode */
+ 400000, /* ConnectionSpeed */
+ AddressingMode7Bit, /* AddressingMode */
+ "\\_SB.I2CD", /* ResourceSource */
+ )
+ GpioInt (Level, ActiveLow, ExclusiveAndWake, PullNone,,
+ "\\_SB.GPIO") { 0x5 }
+ })
+
+ /* Allow device to power off in S0 */
+ Name (_S0W, 3)
+}