From bd278b323b5b837e91aecb0e33476a0399fa7b84 Mon Sep 17 00:00:00 2001 From: Ridden_Liu Date: Mon, 13 Mar 2023 13:53:28 +0800 Subject: winterhold: adjusts phase comparator threshold offset Modify 0x39 Forward Buck Phase Comparator Threshold Offset bit<15:13> from 000=0mV to 110=-2mV. BUG=b:265862821 BRANCH=none TEST=fix charger stuck in CCM problem and S5 power consumption can meet < 0.5W criteria. Change-Id: Icc0ee2b6f2a33eb27d243c5a0421be0efe70fd7f Signed-off-by: Ridden_Liu Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/4333200 Reviewed-by: Elthan Huang Reviewed-by: Diana Z Commit-Queue: Isaac Lee --- zephyr/program/skyrim/winterhold/project.conf | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/zephyr/program/skyrim/winterhold/project.conf b/zephyr/program/skyrim/winterhold/project.conf index dda21dba09..27f1c60c88 100644 --- a/zephyr/program/skyrim/winterhold/project.conf +++ b/zephyr/program/skyrim/winterhold/project.conf @@ -17,8 +17,8 @@ CONFIG_PLATFORM_EC_CHARGER_ISL9238C=y CONFIG_PLATFORM_EC_ISL9238C_ENABLE_BUCK_MODE=y CONFIG_PLATFORM_EC_CHARGER_PROFILE_OVERRIDE=y -# Forward Buck Phase Comparator bit<15:13> to 100=-4mV -CONFIG_PLATFORM_EC_ISL9238C_BUCK_PHASE_VOLTAGE=4 +# Forward Buck Phase Comparator bit<15:13> to 100=-2mV +CONFIG_PLATFORM_EC_ISL9238C_BUCK_PHASE_VOLTAGE=6 # Get the vbus voltage from TCPC CONFIG_PLATFORM_EC_USB_PD_VBUS_MEASURE_CHARGER=n -- cgit v1.2.1