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authorFrank Wu <frank_wu@compal.corp-partner.google.com>2020-12-25 11:32:30 +0800
committerFurquan Shaikh <furquan@google.com>2021-01-07 03:57:29 +0000
commitf8d7374bab0ee911054ff5012dc120172af80a61 (patch)
tree441eaf629c65bc90ff3cf7e899e1c7509fbeaccb
parent54f8b9ee7428068f0acb27d43d70d95c64b1a7ba (diff)
mb/google/zork/var/vilboz: Fix Goodix touchscreen power sequence
According Goodix GT7375P Programming Guide_Rev.0.6, increase the stop delay time from 100 ms to 160 ms. The power sequence is not met with the latest guide_rev.0.6. BUG=b:176270381 BRANCH=zork TEST=Confirm the measured waveform complies with Goodix touchscreen spec. Signed-off-by: Frank Wu <frank_wu@compal.corp-partner.google.com> Change-Id: I687ffa2eb13a9ddecb3045c5e1540b94417329ec Reviewed-on: https://review.coreboot.org/c/coreboot/+/48907 Reviewed-by: EricR Lai <ericr_lai@compal.corp-partner.google.com> Reviewed-by: Rob Barnes <robbarnes@google.com> Reviewed-by: Kangheui Won <khwon@chromium.org> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
-rw-r--r--src/mainboard/google/zork/variants/vilboz/overridetree.cb2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mainboard/google/zork/variants/vilboz/overridetree.cb b/src/mainboard/google/zork/variants/vilboz/overridetree.cb
index a3c2c978cf..f484e9a713 100644
--- a/src/mainboard/google/zork/variants/vilboz/overridetree.cb
+++ b/src/mainboard/google/zork/variants/vilboz/overridetree.cb
@@ -108,7 +108,7 @@ chip soc/amd/picasso
register "generic.reset_off_delay_ms" = "2"
register "generic.reset_delay_ms" = "20"
register "generic.stop_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_LOW(GPIO_144)"
- register "generic.stop_delay_ms" = "100"
+ register "generic.stop_delay_ms" = "160"
register "generic.stop_off_delay_ms" = "2"
register "generic.has_power_resource" = "1"
register "hid_desc_reg_offset" = "0x01"