From: Jakob Hauser Date: Mon, 15 May 2023 20:57:17 +0000 (+0200) Subject: power: supply: rt5033_battery: Adopt status property from charger X-Git-Tag: v6.6.7~2453^2~40^5~3 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=4ed21f06a913f79850d8c937c15fda03dde34512;p=platform%2Fkernel%2Flinux-starfive.git power: supply: rt5033_battery: Adopt status property from charger The rt5033-battery fuelgauge can't get a status by itself. The rt5033-charger can, let's get this value. To get the charger as a "supplier" from the devicetree, the "of_node" needs to be initiated. Additionally, in the probe function replace dev_err() with dev_err_probe(), this will avoid printing an error for -EPROBE_DEFER when the battery driver probes before the charger driver. Signed-off-by: Jakob Hauser Acked-by: Sebastian Reichel Signed-off-by: Lee Jones Link: https://lore.kernel.org/r/a2015d257b145108a3ecdf107a3040362c887fc5.1684182964.git.jahau@rocketmail.com --- diff --git a/drivers/power/supply/rt5033_battery.c b/drivers/power/supply/rt5033_battery.c index 91e1efd..94d2dea 100644 --- a/drivers/power/supply/rt5033_battery.c +++ b/drivers/power/supply/rt5033_battery.c @@ -19,6 +19,21 @@ struct rt5033_battery { 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) { struct rt5033_battery *battery = i2c_get_clientdata(client); @@ -91,6 +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; } @@ -103,6 +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 = { @@ -124,7 +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; @@ -142,15 +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; }