diff options
| author | Jacky Wang <jacky5_wang@pegatron.corp-partner.google.com> | 2021-03-23 17:11:10 +0800 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2021-03-24 03:38:47 +0000 |
| commit | 597035d35fe4ee1ae1b89644bb009919e0287066 (patch) | |
| tree | 5a4972618de4f7c0cfdea9eab725c5dc0fe82cf6 | |
| parent | 9219c2cc000bb3322ba186bbe953d5282f6073d4 (diff) | |
| download | chrome-ec-597035d35fe4ee1ae1b89644bb009919e0287066.tar.gz | |
drobit: Limit the input current setting
Limit the input current to 98% negotiated limit,
to account for the charger chip margin.
BUG=b:183467915
BRANCH=firmware-volteer-13672.B
TEST=make BOARD=drobit
Use "ectool chargstate show" to check input current.
Signed-off-by: Jacky Wang <jacky5_wang@pegatron.corp-partner.google.com>
Change-Id: I4cff9c69b39f84616e535958e2bde1a64fd040ec
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2781097
Reviewed-by: Michael5 Chen <michael5_chen1@pegatron.corp-partner.google.com>
Reviewed-by: Zhuohao Lee <zhuohao@chromium.org>
| -rw-r--r-- | board/drobit/board.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/board/drobit/board.c b/board/drobit/board.c index 1e4255c5fc..f54d5b8308 100644 --- a/board/drobit/board.c +++ b/board/drobit/board.c @@ -9,6 +9,7 @@ #include "common.h" #include "accelgyro.h" #include "cbi_ec_fw_config.h" +#include "charge_state_v2.h" #include "driver/bc12/pi3usb9201.h" #include "driver/ppc/syv682x.h" #include "driver/retimer/bb_retimer.h" @@ -435,3 +436,17 @@ static void board_chipset_suspend(void) } DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, board_chipset_suspend, HOOK_PRIO_DEFAULT); +/******************************************************************************/ +/* Set the charge limit based upon desired maximum. */ +void board_set_charge_limit(int port, int supplier, int charge_ma, + int max_ma, int charge_mv) +{ + /* + * Limit the input current to 98% negotiated limit, + * to account for the charger chip margin. + */ + charge_ma = charge_ma * 98 / 100; + charge_set_input_current_limit( + MAX(charge_ma, CONFIG_CHARGER_INPUT_CURRENT), + charge_mv); +} |