diff options
Diffstat (limited to 'drivers/power/supply')
| -rw-r--r-- | drivers/power/supply/sbs-battery.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/drivers/power/supply/sbs-battery.c b/drivers/power/supply/sbs-battery.c index 31f3e33..e1dfb3e 100644 --- a/drivers/power/supply/sbs-battery.c +++ b/drivers/power/supply/sbs-battery.c @@ -41,6 +41,7 @@ enum { REG_TIME_TO_EMPTY, REG_TIME_TO_FULL, REG_STATUS, + REG_CAPACITY_LEVEL, REG_CYCLE_COUNT, REG_SERIAL_NUMBER, REG_REMAINING_CAPACITY, @@ -68,6 +69,7 @@ enum sbs_battery_mode { #define MANUFACTURER_ACCESS_SLEEP 0x0011 /* battery status value bits */ +#define BATTERY_INITIALIZED 0x80 #define BATTERY_DISCHARGING 0x40 #define BATTERY_FULL_CHARGED 0x20 #define BATTERY_FULL_DISCHARGED 0x10 @@ -110,6 +112,8 @@ static const struct chip_data { SBS_DATA(POWER_SUPPLY_PROP_TIME_TO_FULL_AVG, 0x13, 0, 65535), [REG_STATUS] = SBS_DATA(POWER_SUPPLY_PROP_STATUS, 0x16, 0, 65535), + [REG_CAPACITY_LEVEL] = + SBS_DATA(POWER_SUPPLY_PROP_CAPACITY_LEVEL, 0x16, 0, 65535), [REG_CYCLE_COUNT] = SBS_DATA(POWER_SUPPLY_PROP_CYCLE_COUNT, 0x17, 0, 65535), [REG_DESIGN_CAPACITY] = @@ -131,6 +135,7 @@ static const struct chip_data { static enum power_supply_property sbs_properties[] = { POWER_SUPPLY_PROP_STATUS, + POWER_SUPPLY_PROP_CAPACITY_LEVEL, POWER_SUPPLY_PROP_HEALTH, POWER_SUPPLY_PROP_PRESENT, POWER_SUPPLY_PROP_TECHNOLOGY, @@ -376,8 +381,23 @@ static int sbs_get_battery_property(struct i2c_client *client, if (ret >= sbs_data[reg_offset].min_value && ret <= sbs_data[reg_offset].max_value) { val->intval = ret; - if (psp != POWER_SUPPLY_PROP_STATUS) + if (psp == POWER_SUPPLY_PROP_CAPACITY_LEVEL) { + if (!(ret & BATTERY_INITIALIZED)) + val->intval = + POWER_SUPPLY_CAPACITY_LEVEL_UNKNOWN; + else if (ret & BATTERY_FULL_CHARGED) + val->intval = + POWER_SUPPLY_CAPACITY_LEVEL_FULL; + else if (ret & BATTERY_FULL_DISCHARGED) + val->intval = + POWER_SUPPLY_CAPACITY_LEVEL_CRITICAL; + else + val->intval = + POWER_SUPPLY_CAPACITY_LEVEL_NORMAL; return 0; + } else if (psp != POWER_SUPPLY_PROP_STATUS) { + return 0; + } if (ret & BATTERY_FULL_CHARGED) val->intval = POWER_SUPPLY_STATUS_FULL; @@ -589,6 +609,7 @@ static int sbs_get_property(struct power_supply *psy, break; case POWER_SUPPLY_PROP_STATUS: + case POWER_SUPPLY_PROP_CAPACITY_LEVEL: case POWER_SUPPLY_PROP_CYCLE_COUNT: case POWER_SUPPLY_PROP_VOLTAGE_NOW: case POWER_SUPPLY_PROP_CURRENT_NOW: |
