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| author | YongBeum.Ha <ybha@samsung.corp-partner.google.com> | 2019-11-22 22:54:28 +0900 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2019-11-25 02:41:06 +0000 |
| commit | aab3448bb85abab2e56ddef510d976c5ed549c4c (patch) | |
| tree | c33f474852b3f0e970549583d020da01f6ba38b9 | |
| parent | 012e3706620949ce8ccca234c5fe8083715d3ee3 (diff) | |
| download | chrome-ec-aab3448bb85abab2e56ddef510d976c5ed549c4c.tar.gz | |
battery : differentiate overtemperature condition
Battery charging is stopped over 55'C during charging and
started below 45'C.
BUG=b:140596424
BRANCH=hatch
TEST=make -j BOARD=kohaku && ./util/flash_ec --board=kohaku
check charging status & led on chamber
Change-Id: Ib4a8ba5236d107397db904ca7075f0d0f29dd724
Signed-off-by: YongBeum.Ha <ybha@samsung.corp-partner.google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1928539
Tested-by: YongBeum Ha <ybha@samsung.com>
Reviewed-by: Shelley Chen <shchen@chromium.org>
Reviewed-by: Paul Fagerburg <pfagerburg@chromium.org>
| -rw-r--r-- | common/charge_state_v2.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/common/charge_state_v2.c b/common/charge_state_v2.c index 5a383373af..54d21a97a4 100644 --- a/common/charge_state_v2.c +++ b/common/charge_state_v2.c @@ -1483,12 +1483,23 @@ static int battery_outside_charging_temperature(void) const struct battery_info *batt_info = battery_get_info(); /* battery temp in 0.1 deg C */ int batt_temp_c = DECI_KELVIN_TO_CELSIUS(curr.batt.temperature); + int max_c, min_c; if (curr.batt.flags & BATT_FLAG_BAD_TEMPERATURE) return 0; - if ((batt_temp_c > batt_info->charging_max_c) || - (batt_temp_c < batt_info->charging_min_c)) { + if((curr.batt.desired_voltage == 0) && + (curr.batt.desired_current == 0)){ + max_c = batt_info->start_charging_max_c; + min_c = batt_info->start_charging_min_c; + } else { + max_c = batt_info->charging_max_c; + min_c = batt_info->charging_min_c; + } + + + if ((batt_temp_c >= max_c) || + (batt_temp_c <= min_c)) { return 1; } return 0; |