diff options
Diffstat (limited to 'common/charge_state_v2.c')
| -rw-r--r-- | common/charge_state_v2.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/common/charge_state_v2.c b/common/charge_state_v2.c index 104539e780..b8ad1fc425 100644 --- a/common/charge_state_v2.c +++ b/common/charge_state_v2.c @@ -1531,22 +1531,28 @@ static void sustain_battery_soc(void) soc = charge_get_display_charge() / 10; + /* + * When lower < upper, the sustainer discharges using DISCHARGE. When + * lower == upper, the sustainer discharges using IDLE. The following + * switch statement handle both cases but in reality either DISCHARGE + * or IDLE is used but not both. + */ switch (mode) { case CHARGE_CONTROL_NORMAL: /* Going up */ if (sustain_soc.upper < soc) - mode = CHARGE_CONTROL_DISCHARGE; + mode = sustain_soc.upper == sustain_soc.lower ? + CHARGE_CONTROL_IDLE : CHARGE_CONTROL_DISCHARGE; break; case CHARGE_CONTROL_IDLE: - /* discharging naturally */ + /* Discharging naturally */ if (soc < sustain_soc.lower) - /* TODO: Charge slowly */ mode = CHARGE_CONTROL_NORMAL; break; case CHARGE_CONTROL_DISCHARGE: - /* discharging rapidly (discharge_on_ac) */ - if (soc < sustain_soc.upper) - mode = CHARGE_CONTROL_IDLE; + /* Discharging actively. */ + if (soc < sustain_soc.lower) + mode = CHARGE_CONTROL_NORMAL; break; default: return; |