Duncan Laurie merged this change.
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 <casper_chang@wistron.corp-partner.google.com>
Change-Id: I488660aefdc6df27077efc7fec2f3b99adbaef9f
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34665
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Mike Hsieh <mike_hsieh@wistron.corp-partner.google.com>
Reviewed-by: Nick Crews <ncrews@google.com>
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
---
M src/mainboard/google/sarien/variants/arcada/devicetree.cb
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 cd19258..1799127 100644
--- a/src/mainboard/google/sarien/variants/arcada/devicetree.cb
+++ b/src/mainboard/google/sarien/variants/arcada/devicetree.cb
@@ -316,7 +316,7 @@
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"
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