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mb/google/skyrim/var/frostflow: Update Elan touchscreen power sequence 

Based on product spec v1.4, update T3 timing to 150 ms from 300 ms

BRANCH=none
BUG=b:269041202
TEST=emerge-skyrim coreboot chromeos-bootimage
Then the Elan touchscreen works fine.

Change-Id: Ie5bd4bc2c8be2e43470edd374af0623162067497
Signed-off-by: Frank Wu <frank_wu@compal.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/73067
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Dtrain Hsu <dtrain_hsu@compal.corp-partner.google.com>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Reviewed-by: Chao Gui <chaogui@google.com>
This commit is contained in:
Frank Wu 2023-02-16 16:40:15 +08:00 committed by Karthik Ramasubramanian
parent 5eeee01c84
commit 71b4e29566
1 changed files with 1 additions and 1 deletions
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src/mainboard/google/skyrim/variants/frostflow/overridetree.cb
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@ -82,7 +82,7 @@ chip soc/amd/mendocino
register "generic.reset_off_delay_ms" = "2" register "generic.reset_off_delay_ms" = "2"
register "generic.reset_delay_ms" = "20" register "generic.reset_delay_ms" = "20"
register "generic.stop_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPIO_76)" register "generic.stop_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPIO_76)"
register "generic.stop_delay_ms" = "300" register "generic.stop_delay_ms" = "150"
register "generic.stop_off_delay_ms" = "2" register "generic.stop_off_delay_ms" = "2"
register "generic.has_power_resource" = "1" register "generic.has_power_resource" = "1"
register "hid_desc_reg_offset" = "0x01" register "hid_desc_reg_offset" = "0x01"