[XS] Change in coreboot[main]: mb/google/var/riven: Optimize the stop delay for touchsreen

[Subrata Banik (Code Review)]

Subrata Banik has submitted this change. ( https://review.coreboot.org/c/coreboot/+/85039?usp=email )

(

2 is the latest approved patch-set.
No files were changed between the latest approved patch-set and the submitted one.
 )Change subject: mb/google/var/riven: Optimize the stop delay for touchsreen
......................................................................

mb/google/var/riven: Optimize the stop delay for touchsreen

Reduce stop delay for touchscreen based on the latest spec (EKTH6915
Product Spec_V1.0). This will optimize the touch response time to keep
the S0ix resume time under 500ms.

BUG=b:378012214
TEST=Verify improvement in resume time on Riven.

Change-Id: Id7dcbc393bfae9bb62b5700bb9042a543152e968
Signed-off-by: Kapil Porwal 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/85039
Reviewed-by: Eric Lai 
Reviewed-by: Subrata Banik 
Tested-by: build bot (Jenkins) 
---
M src/mainboard/google/brya/variants/riven/overridetree.cb
1 file changed, 2 insertions(+), 2 deletions(-)

Approvals:
  Subrata Banik: Looks good to me, approved
  build bot (Jenkins): Verified
  Eric Lai: Looks good to me, approved

diff --git a/src/mainboard/google/brya/variants/riven/overridetree.cb b/src/mainboard/google/brya/variants/riven/overridetree.cb
index 00947c4..9f62d27 100644
--- a/src/mainboard/google/brya/variants/riven/overridetree.cb
+++ b/src/mainboard/google/brya/variants/riven/overridetree.cb
@@ -243,7 +243,7 @@
    			register "generic.reset_delay_ms" = "20"
    			register "generic.reset_off_delay_ms" = "2"
    			register "generic.stop_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C6)"
-				register "generic.stop_delay_ms" = "280"
+				register "generic.stop_delay_ms" = "180"
    			register "generic.stop_off_delay_ms" = "2"
    			register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C0)"
    			register "generic.enable_delay_ms" = "1"
@@ -260,7 +260,7 @@
    			register "generic.reset_delay_ms" = "20"
    			register "generic.reset_off_delay_ms" = "2"
    			register "generic.stop_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C6)"
-				register "generic.stop_delay_ms" = "280"
+				register "generic.stop_delay_ms" = "180"
    			register "generic.stop_off_delay_ms" = "2"
    			register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C0)"
    			register "generic.enable_delay_ms" = "1"