diff options
Diffstat (limited to 'common/charger_bq24725.c')
| -rw-r--r-- | common/charger_bq24725.c | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/common/charger_bq24725.c b/common/charger_bq24725.c index 84dc8897a2..11077301a7 100644 --- a/common/charger_bq24725.c +++ b/common/charger_bq24725.c @@ -134,17 +134,28 @@ int charger_get_current(int *current) return EC_SUCCESS; } -int charger_set_current(int current) +int charger_closest_current(int current) { - const struct charger_info *info = charger_get_info(); + const struct charger_info * const info = charger_get_info(); - /* Clip the charge current to the range the charger can supply. This - * is a temporary workaround for the battery requesting a very small - * current for trickle-charging. See crosbug.com/p/8662. */ + /* + * If the requested current is non-zero but below our minimum, + * return the minimum. See crosbug.com/p/8662. + */ if (current > 0 && current < info->current_min) - current = info->current_min; + return info->current_min; + + /* Clip to max */ if (current > info->current_max) - current = info->current_max; + return info->current_max; + + /* Otherwise round down to nearest current step */ + return current - (current % info->current_step); +} + +int charger_set_current(int current) +{ + current = charger_closest_current(current); return sbc_write(SB_CHARGING_CURRENT, CURRENT_TO_REG(current, R_SNS)); } |