David Wu has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/72784 )
Change subject: mb/google/brya/var/kano: Update ELAN TS delay time to 150ms ......................................................................
mb/google/brya/var/kano: Update ELAN TS delay time to 150ms
ELAN updated the datasheet, the HID/I2C protocol's T3 delay time is 150ms now. Modify the kano's delay time to follow the requiremnet.
BUG=b:247944006 TEST=Manually checked touchscreen works after reboot and suspend.
Change-Id: I42a7737060a82c0b27717f1510b8ec64abd1465a Signed-off-by: David Wu david_wu@quanta.corp-partner.google.com --- M src/mainboard/google/brya/variants/kano/overridetree.cb 1 file changed, 18 insertions(+), 1 deletion(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/84/72784/1
diff --git a/src/mainboard/google/brya/variants/kano/overridetree.cb b/src/mainboard/google/brya/variants/kano/overridetree.cb index 2eca449..97682bd 100644 --- a/src/mainboard/google/brya/variants/kano/overridetree.cb +++ b/src/mainboard/google/brya/variants/kano/overridetree.cb @@ -400,7 +400,7 @@ register "generic.probed" = "1" register "generic.reset_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPP_C1)" - register "generic.reset_delay_ms" = "20" + register "generic.reset_delay_ms" = "150" register "generic.reset_off_delay_ms" = "1" register "generic.enable_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_C0)"