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| author | Scott Chao <scott_chao@wistron.corp-partner.google.com> | 2020-09-16 18:45:28 +0800 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2020-09-23 19:38:13 +0000 |
| commit | a4e14b97193fe079d18e929ce9d28b586d5418de (patch) | |
| tree | c1678a5960930a8bbe05b98937d2c4ab6d5c0f7e /board/eldrid | |
| parent | 7caf6f199a53bfb1c1454053f4dbda77246053f2 (diff) | |
| download | chrome-ec-a4e14b97193fe079d18e929ce9d28b586d5418de.tar.gz | |
eldrid: limit input current to 90%
Protect adapter provide overcurrent.
And follow OEM charger policy to set 90% input current limit when S0.
BUG=b:169025944
BRANCH=none
TEST=make -j BOARD=eldrid
TEST=make buildall
Signed-off-by: Scott Chao <scott_chao@wistron.corp-partner.google.com>
Change-Id: Idc5aa532aaf5f4c7db45d9db2e1ce66032611a53
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2413810
Reviewed-by: Abe Levkoy <alevkoy@chromium.org>
Diffstat (limited to 'board/eldrid')
| -rw-r--r-- | board/eldrid/board.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/board/eldrid/board.c b/board/eldrid/board.c index dad5e88cf2..e1baf7bf55 100644 --- a/board/eldrid/board.c +++ b/board/eldrid/board.c @@ -8,6 +8,7 @@ #include "common.h" #include "accelgyro.h" #include "cbi_ec_fw_config.h" +#include "charge_state_v2.h" #include "driver/accel_bma2x2.h" #include "driver/accelgyro_bmi160.h" #include "driver/bc12/pi3usb9201.h" @@ -117,6 +118,21 @@ __override bool board_is_tbt_usb4_port(int port) && ((usb_db == DB_USB4_GEN2) || (usb_db == DB_USB4_GEN3))); } +__override void board_set_charge_limit(int port, int supplier, int charge_ma, + int max_ma, int charge_mv) +{ + /* + * Follow OEM request to limit the input current to + * 90% negotiated limit when S0. + */ + if (chipset_in_state(CHIPSET_STATE_ON)) + charge_ma = charge_ma * 90 / 100; + + charge_set_input_current_limit(MAX(charge_ma, + CONFIG_CHARGER_INPUT_CURRENT), + charge_mv); +} + /******************************************************************************/ /* Physical fans. These are logically separate from pwm_channels. */ |