From 45ecc61c03c63aa66e56a814819061a248799387 Mon Sep 17 00:00:00 2001 From: Casper Chang Date: Fri, 2 Aug 2019 17:29:17 +0800 Subject: [PATCH] mb/google/sarien: Increase Wacom touchscreen reset delay to 120 ms Increase reset delay to 120ms of touchscreen to meet wacom touchscreen T4 specification and resolve re-bind hid over i2c driver failed after touchscreen firmware auto update. BUG=b:132211627 TEST=Stress touchscreen firmware auto update 200 times and not found re-bind driver failed. Signed-off-by: Casper Chang Change-Id: I488660aefdc6df27077efc7fec2f3b99adbaef9f Reviewed-on: https://review.coreboot.org/c/coreboot/+/34665 Tested-by: build bot (Jenkins) Reviewed-by: Mike Hsieh Reviewed-by: Nick Crews Reviewed-by: Duncan Laurie --- src/mainboard/google/sarien/variants/arcada/devicetree.cb | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/mainboard/google/sarien/variants/arcada/devicetree.cb b/src/mainboard/google/sarien/variants/arcada/devicetree.cb index cd1925840a..1799127b6c 100644 --- a/src/mainboard/google/sarien/variants/arcada/devicetree.cb +++ b/src/mainboard/google/sarien/variants/arcada/devicetree.cb @@ -316,7 +316,7 @@ chip soc/intel/cannonlake register "generic.irq" = "ACPI_IRQ_LEVEL_LOW(GPP_C23_IRQ)" register "generic.probed" = "1" register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_E7)" - register "generic.reset_delay_ms" = "20" + register "generic.reset_delay_ms" = "120" register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_B21)" register "generic.enable_delay_ms" = "55" register "generic.has_power_resource" = "1"