diff options
Diffstat (limited to 'include/battery_fuel_gauge.h')
| -rw-r--r-- | include/battery_fuel_gauge.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/battery_fuel_gauge.h b/include/battery_fuel_gauge.h index 8de72d7d4e..9c3b0b12da 100644 --- a/include/battery_fuel_gauge.h +++ b/include/battery_fuel_gauge.h @@ -31,6 +31,11 @@ struct fuel_gauge_info { const uint8_t override_nil; const struct ship_mode_info ship_mode; const struct fet_info fet; + +#ifdef CONFIG_BATTERY_MEASURE_IMBALANCE + /* See battery_*_imbalance_mv() for functions which are suitable. */ + int (*imbalance_mv)(void); +#endif }; struct board_batt_params { @@ -42,4 +47,18 @@ struct board_batt_params { extern const struct board_batt_params board_battery_info[]; extern const enum battery_type DEFAULT_BATTERY_TYPE; + +#ifdef CONFIG_BATTERY_MEASURE_IMBALANCE +/** + * Report the absolute difference between the highest and lowest cell voltage in + * the battery pack, in millivolts. On error or unimplemented, returns '0'. + */ +int battery_default_imbalance_mv(void); + +#ifdef CONFIG_BATTERY_BQ4050 +int battery_bq4050_imbalance_mv(void); +#endif + +#endif + #endif /* __CROS_EC_BATTERY_FUEL_GAUGE_H */ |