diff options
Diffstat (limited to 'drivers/power/supply/rt5033_battery.c')
| -rw-r--r-- | drivers/power/supply/rt5033_battery.c | 38 |
1 files changed, 31 insertions, 7 deletions
diff --git a/drivers/power/supply/rt5033_battery.c b/drivers/power/supply/rt5033_battery.c index 5c04cf305219..94d2dea7ef5e 100644 --- a/drivers/power/supply/rt5033_battery.c +++ b/drivers/power/supply/rt5033_battery.c @@ -6,11 +6,33 @@ * Author: Beomho Seo <beomho.seo@samsung.com> */ +#include <linux/i2c.h> #include <linux/module.h> #include <linux/platform_device.h> #include <linux/power_supply.h> +#include <linux/regmap.h> #include <linux/mfd/rt5033-private.h> -#include <linux/mfd/rt5033.h> + +struct rt5033_battery { + struct i2c_client *client; + struct regmap *regmap; + struct power_supply *psy; +}; + +static int rt5033_battery_get_status(struct i2c_client *client) +{ + struct rt5033_battery *battery = i2c_get_clientdata(client); + union power_supply_propval val; + int ret; + + ret = power_supply_get_property_from_supplier(battery->psy, + POWER_SUPPLY_PROP_STATUS, + &val); + if (ret) + val.intval = POWER_SUPPLY_STATUS_UNKNOWN; + + return val.intval; +} static int rt5033_battery_get_capacity(struct i2c_client *client) { @@ -84,6 +106,9 @@ static int rt5033_battery_get_property(struct power_supply *psy, case POWER_SUPPLY_PROP_CAPACITY: val->intval = rt5033_battery_get_capacity(battery->client); break; + case POWER_SUPPLY_PROP_STATUS: + val->intval = rt5033_battery_get_status(battery->client); + break; default: return -EINVAL; } @@ -96,6 +121,7 @@ static enum power_supply_property rt5033_battery_props[] = { POWER_SUPPLY_PROP_VOLTAGE_OCV, POWER_SUPPLY_PROP_PRESENT, POWER_SUPPLY_PROP_CAPACITY, + POWER_SUPPLY_PROP_STATUS, }; static const struct regmap_config rt5033_battery_regmap_config = { @@ -117,7 +143,6 @@ static int rt5033_battery_probe(struct i2c_client *client) struct i2c_adapter *adapter = client->adapter; struct power_supply_config psy_cfg = {}; struct rt5033_battery *battery; - u32 ret; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE)) return -EIO; @@ -135,15 +160,14 @@ static int rt5033_battery_probe(struct i2c_client *client) } i2c_set_clientdata(client, battery); + psy_cfg.of_node = client->dev.of_node; psy_cfg.drv_data = battery; battery->psy = power_supply_register(&client->dev, &rt5033_battery_desc, &psy_cfg); - if (IS_ERR(battery->psy)) { - dev_err(&client->dev, "Failed to register power supply\n"); - ret = PTR_ERR(battery->psy); - return ret; - } + if (IS_ERR(battery->psy)) + return dev_err_probe(&client->dev, PTR_ERR(battery->psy), + "Failed to register power supply\n"); return 0; } |