diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/power/olpc_battery.c | 11 | ||||
| -rw-r--r-- | drivers/power/power_supply_sysfs.c | 1 |
2 files changed, 11 insertions, 1 deletions
diff --git a/drivers/power/olpc_battery.c b/drivers/power/olpc_battery.c index c8b596a7fc9..9dd1589733c 100644 --- a/drivers/power/olpc_battery.c +++ b/drivers/power/olpc_battery.c @@ -19,7 +19,7 @@ #define EC_BAT_VOLTAGE 0x10 /* uint16_t, *9.76/32, mV */ #define EC_BAT_CURRENT 0x11 /* int16_t, *15.625/120, mA */ -#define EC_BAT_ACR 0x12 +#define EC_BAT_ACR 0x12 /* int16_t, *416.7, µAh */ #define EC_BAT_TEMP 0x13 /* uint16_t, *100/256, °C */ #define EC_AMB_TEMP 0x14 /* uint16_t, *100/256, °C */ #define EC_BAT_STATUS 0x15 /* uint8_t, bitmask */ @@ -289,6 +289,14 @@ static int olpc_bat_get_property(struct power_supply *psy, ec_word = be16_to_cpu(ec_word); val->intval = ec_word * 100 / 256; break; + case POWER_SUPPLY_PROP_CHARGE_COUNTER: + ret = olpc_ec_cmd(EC_BAT_ACR, NULL, 0, (void *)&ec_word, 2); + if (ret) + return ret; + + ec_word = be16_to_cpu(ec_word); + val->intval = ec_word * 4167 / 10; + break; case POWER_SUPPLY_PROP_SERIAL_NUMBER: ret = olpc_ec_cmd(EC_BAT_SERIAL, NULL, 0, (void *)&ser_buf, 8); if (ret) @@ -317,6 +325,7 @@ static enum power_supply_property olpc_bat_props[] = { POWER_SUPPLY_PROP_TEMP_AMBIENT, POWER_SUPPLY_PROP_MANUFACTURER, POWER_SUPPLY_PROP_SERIAL_NUMBER, + POWER_SUPPLY_PROP_CHARGE_COUNTER, }; /* EEPROM reading goes completely around the power_supply API, sadly */ diff --git a/drivers/power/power_supply_sysfs.c b/drivers/power/power_supply_sysfs.c index c444d6b10c5..82e1246eeb0 100644 --- a/drivers/power/power_supply_sysfs.c +++ b/drivers/power/power_supply_sysfs.c @@ -99,6 +99,7 @@ static struct device_attribute power_supply_attrs[] = { POWER_SUPPLY_ATTR(charge_empty), POWER_SUPPLY_ATTR(charge_now), POWER_SUPPLY_ATTR(charge_avg), + POWER_SUPPLY_ATTR(charge_counter), POWER_SUPPLY_ATTR(energy_full_design), POWER_SUPPLY_ATTR(energy_empty_design), POWER_SUPPLY_ATTR(energy_full), |