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mb/google/guybrush/var/dewatt: Update Elan touchpad interrupt trigger 

Update Elan touchpad interrupt trigger to level low from edge low to keep consistency with Synaptics touchpad. Checked with Elan PM Iris and other projects(spherion), the touchpad can be set to edge or level low trigger.

Sepherion Elan touchpad IRQ setting: https://source.chromium.org/chromiumos/chromiumos/codesearch/+/main:src/third_party/kernel/v5.4/arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi;l=415?q=mt8192-asurada.dtsi&ss=chromiumos%2Fchromiumos%2Fcodesearch:src%2Fthird_party%2Fkernel%2F

BUG=b:214143249
TEST=emerge-guybrush coreboot chromeos-bootimage; Tested Elan and Synaptics touchpad wakeup from s0i3 well with proto build.

Signed-off-by: Kenneth Chan <kenneth.chan@quanta.corp-partner.google.com>
Change-Id: Ifac49b131cadc1f8838bb6243ad6d17feb272bd2
Reviewed-on: https://review.coreboot.org/c/coreboot/+/61365
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Rob Barnes <robbarnes@google.com>
This commit is contained in:
Kenneth Chan 2022-01-25 16:34:11 +08:00 committed by Felix Held
parent d03b824893
commit 18167d4ac1
1 changed files with 1 additions and 1 deletions
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src/mainboard/google/guybrush/variants/dewatt/overridetree.cb
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@ -107,7 +107,7 @@ 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 "probed" = "1"
device i2c 15 on end