diff options
| author | Devin Lu <Devin.Lu@quantatw.com> | 2022-05-04 10:54:59 +0800 |
|---|---|---|
| committer | Chromeos LUCI <chromeos-scoped@luci-project-accounts.iam.gserviceaccount.com> | 2022-05-05 07:11:54 +0000 |
| commit | 19517153849c9da5f9a41e3cb9b86ee651227fa9 (patch) | |
| tree | ce7c3d15b1182a0583cc97a34d20089e727a5fb5 | |
| parent | 7bc1364631a46457fc047ede49ed7eee6d75edc8 (diff) | |
| download | chrome-ec-19517153849c9da5f9a41e3cb9b86ee651227fa9.tar.gz | |
vell: Limit input current to fraction of negotiated limit
Limit input current to 96% of negotiated limit
BUG=none
BRANCH=none
TEST=Connect adapter then check input current.
Signed-off-by: Devin Lu <Devin.Lu@quantatw.com>
Change-Id: I89cf7b1d9a8b8a022e1312dad5de853d53cf7308
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3626851
Reviewed-by: Boris Mittelberg <bmbm@google.com>
| -rw-r--r-- | board/vell/charger.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/board/vell/charger.c b/board/vell/charger.c index b6779940a6..0b35b7ba29 100644 --- a/board/vell/charger.c +++ b/board/vell/charger.c @@ -82,9 +82,14 @@ int board_set_active_charge_port(int port) return EC_SUCCESS; } -__overridable void board_set_charge_limit(int port, int supplier, int charge_ma, +void board_set_charge_limit(int port, int supplier, int charge_ma, int max_ma, int charge_mv) { + /* + * Limit the input current to 96% negotiated limit, + * to account for the charger chip margin. + */ + charge_ma = charge_ma * 96 / 100; charge_set_input_current_limit(MAX(charge_ma, CONFIG_CHARGER_INPUT_CURRENT), charge_mv); |