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author | Mike Lee <mike5@huaqin.corp-partner.google.com> | 2021-03-09 21:01:07 +0800 |
---|---|---|
committer | Commit Bot <commit-bot@chromium.org> | 2021-03-10 20:39:06 +0000 |
commit | 3b2d03c081a583a639bb17e73250f86b1e5732f0 (patch) | |
tree | 53a272f0010a05dd2f20185236112e5ad13b9dbe | |
parent | 45c0c5fecb62a93a7ef9ad840963ac75e8d759f1 (diff) | |
download | chrome-ec-3b2d03c081a583a639bb17e73250f86b1e5732f0.tar.gz |
Raa489000: Set Vbus Target Voltage lower
Set Vbus Target Voltage lower,so that meet power noise test.
BUG=b:181801175
BRANCH=dedede
TEST=test power noise pass, meet spec 4.75V--5.25V
Signed-off-by: Mike Lee <mike5@huaqin.corp-partner.google.com>
Change-Id: I7aa137b37acc678dfbba76d8e72733b8196f8c41
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2745181
Reviewed-by: Diana Z <dzigterman@chromium.org>
Reviewed-by: Aseda Aboagye <aaboagye@chromium.org>
Commit-Queue: Aseda Aboagye <aaboagye@chromium.org>
-rw-r--r-- | driver/tcpm/raa489000.c | 2 | ||||
-rw-r--r-- | driver/tcpm/raa489000.h | 1 |
2 files changed, 2 insertions, 1 deletions
diff --git a/driver/tcpm/raa489000.c b/driver/tcpm/raa489000.c index 11f38b5893..252f59f0b5 100644 --- a/driver/tcpm/raa489000.c +++ b/driver/tcpm/raa489000.c @@ -209,7 +209,7 @@ int raa489000_init(int port) /* Set Vbus Target Voltage */ rv = tcpc_write16(port, RAA489000_VBUS_VOLTAGE_TARGET, - RAA489000_VBUS_VOLTAGE_TARGET_5220MV); + RAA489000_VBUS_VOLTAGE_TARGET_5160MV); if (rv) CPRINTS("c%d: failed to set Vbus Target Voltage", port); diff --git a/driver/tcpm/raa489000.h b/driver/tcpm/raa489000.h index 2749e0dc52..2a4c7c6b3d 100644 --- a/driver/tcpm/raa489000.h +++ b/driver/tcpm/raa489000.h @@ -34,6 +34,7 @@ #define RAA489000_VBUS_CURRENT_TARGET_1_5A 0x38 /* 1.5A + iOvershoot */ /* VBUS_VOLTAGE_TARGET */ +#define RAA489000_VBUS_VOLTAGE_TARGET_5160MV 0x102 /* 5.16V */ #define RAA489000_VBUS_VOLTAGE_TARGET_5220MV 0x105 /* 5.22V */ /* VBUS_OCP_UV_THRESHOLD */ |