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-rw-r--r--src/mainboard/google/samus/acpi/mainboard.asl5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/mainboard/google/samus/acpi/mainboard.asl b/src/mainboard/google/samus/acpi/mainboard.asl
index 128f266618..c6ad278638 100644
--- a/src/mainboard/google/samus/acpi/mainboard.asl
+++ b/src/mainboard/google/samus/acpi/mainboard.asl
@@ -202,6 +202,7 @@ Scope (\_SB.PCI0.I2C0)
* [1] = Mic Present (INPUT)
* [2] = Interrupt to the host (OUTPUT)
* [3] = Interrupt to the host (OUTPUT)
+ * [4] = Headphone amp control (OUTPUT)
*/
/* Index 0: Jack Detect - PLUG_DET is GPIO5 */
@@ -219,6 +220,10 @@ Scope (\_SB.PCI0.I2C0)
/* Index 3: Codec Wake - DSP_INT is GPIO4 */
GpioIo (Exclusive, PullUp, , , IoRestrictionOutputOnly,
"\\_SB.PCI0.I2C0.CODC") { 3 }
+
+ /* Index 4: Headphone amp - HP_AMP_SHDN_L is GPIO2 */
+ GpioIo (Exclusive, PullDown, , , IoRestrictionOutputOnly,
+ "\\_SB.PCI0.I2C0.CODC") { 1 }
})
Name (_PRW, Package() { WAKE, 3 })