From 62abc7aca0ed617cbcdcbf0aad4ac5941cb0464a Mon Sep 17 00:00:00 2001 From: Matt DeVillier Date: Tue, 3 Mar 2026 12:12:42 -0600 Subject: [PATCH] mb/google/guybrush: Switch touchpad IRQ to level triggering Use ACPI_GPIO_IRQ_LEVEL_LOW instead of EDGE_LOW for Elan touchpads. Required for Windows driver compatibility. TEST=build/boot Win11/Linux on dewatt; verify touchpad functional. Change-Id: I712134860eee456c2c103c2ca8543020c58027f2 Signed-off-by: Matt DeVillier Reviewed-on: https://review.coreboot.org/c/coreboot/+/91792 Reviewed-by: Martin L Roth Tested-by: build bot (Jenkins) --- src/mainboard/google/guybrush/variants/guybrush/overridetree.cb | 2 +- .../google/guybrush/variants/nipperkin/overridetree.cb | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/src/mainboard/google/guybrush/variants/guybrush/overridetree.cb b/src/mainboard/google/guybrush/variants/guybrush/overridetree.cb index 669bf15d07..dc2b8f88fc 100644 --- a/src/mainboard/google/guybrush/variants/guybrush/overridetree.cb +++ b/src/mainboard/google/guybrush/variants/guybrush/overridetree.cb @@ -81,7 +81,7 @@ chip soc/amd/cezanne chip drivers/i2c/generic register "hid" = ""ELAN0000"" register "desc" = ""ELAN Touchpad"" - register "irq_gpio" = "ACPI_GPIO_IRQ_EDGE_LOW(GPIO_9)" + register "irq_gpio" = "ACPI_GPIO_IRQ_LEVEL_LOW(GPIO_9)" register "wake" = "GEVENT_22" register "detect" = "1" device i2c 15 on end diff --git a/src/mainboard/google/guybrush/variants/nipperkin/overridetree.cb b/src/mainboard/google/guybrush/variants/nipperkin/overridetree.cb index f9845b701b..3e6dd028f0 100644 --- a/src/mainboard/google/guybrush/variants/nipperkin/overridetree.cb +++ b/src/mainboard/google/guybrush/variants/nipperkin/overridetree.cb @@ -289,7 +289,7 @@ chip soc/amd/cezanne chip drivers/i2c/generic register "hid" = ""ELAN0000"" register "desc" = ""ELAN Touchpad"" - register "irq_gpio" = "ACPI_GPIO_IRQ_EDGE_LOW(GPIO_9)" + register "irq_gpio" = "ACPI_GPIO_IRQ_LEVEL_LOW(GPIO_9)" register "wake" = "GEVENT_22" register "detect" = "1" device i2c 15 on end