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path: root/drivers/power/max17042_battery.c
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Diffstat (limited to 'drivers/power/max17042_battery.c')
-rw-r--r--drivers/power/max17042_battery.c45
1 files changed, 29 insertions, 16 deletions
diff --git a/drivers/power/max17042_battery.c b/drivers/power/max17042_battery.c
index b1ebbc3b8640..e5645ea6f9d8 100644
--- a/drivers/power/max17042_battery.c
+++ b/drivers/power/max17042_battery.c
@@ -69,7 +69,7 @@
struct max17042_chip {
struct i2c_client *client;
struct regmap *regmap;
- struct power_supply battery;
+ struct power_supply *battery;
enum max170xx_chip_type chip_type;
struct max17042_platform_data *pdata;
struct work_struct work;
@@ -96,8 +96,7 @@ static int max17042_get_property(struct power_supply *psy,
enum power_supply_property psp,
union power_supply_propval *val)
{
- struct max17042_chip *chip = container_of(psy,
- struct max17042_chip, battery);
+ struct max17042_chip *chip = power_supply_get_drvdata(psy);
struct regmap *map = chip->regmap;
int ret;
u32 data;
@@ -602,7 +601,7 @@ static irqreturn_t max17042_thread_handler(int id, void *dev)
max17042_set_soc_threshold(chip, 1);
}
- power_supply_changed(&chip->battery);
+ power_supply_changed(chip->battery);
return IRQ_HANDLED;
}
@@ -662,10 +661,28 @@ static const struct regmap_config max17042_regmap_config = {
.val_format_endian = REGMAP_ENDIAN_NATIVE,
};
+static const struct power_supply_desc max17042_psy_desc = {
+ .name = "max170xx_battery",
+ .type = POWER_SUPPLY_TYPE_BATTERY,
+ .get_property = max17042_get_property,
+ .properties = max17042_battery_props,
+ .num_properties = ARRAY_SIZE(max17042_battery_props),
+};
+
+static const struct power_supply_desc max17042_no_current_sense_psy_desc = {
+ .name = "max170xx_battery",
+ .type = POWER_SUPPLY_TYPE_BATTERY,
+ .get_property = max17042_get_property,
+ .properties = max17042_battery_props,
+ .num_properties = ARRAY_SIZE(max17042_battery_props) - 2,
+};
+
static int max17042_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent);
+ const struct power_supply_desc *max17042_desc = &max17042_psy_desc;
+ struct power_supply_config psy_cfg = {};
struct max17042_chip *chip;
int ret;
int i;
@@ -692,6 +709,7 @@ static int max17042_probe(struct i2c_client *client,
}
i2c_set_clientdata(client, chip);
+ psy_cfg.drv_data = chip;
regmap_read(chip->regmap, MAX17042_DevName, &val);
if (val == MAX17042_IC_VERSION) {
@@ -705,16 +723,10 @@ static int max17042_probe(struct i2c_client *client,
return -EIO;
}
- chip->battery.name = "max170xx_battery";
- chip->battery.type = POWER_SUPPLY_TYPE_BATTERY;
- chip->battery.get_property = max17042_get_property;
- chip->battery.properties = max17042_battery_props;
- chip->battery.num_properties = ARRAY_SIZE(max17042_battery_props);
-
/* When current is not measured,
* CURRENT_NOW and CURRENT_AVG properties should be invisible. */
if (!chip->pdata->enable_current_sense)
- chip->battery.num_properties -= 2;
+ max17042_desc = &max17042_no_current_sense_psy_desc;
if (chip->pdata->r_sns == 0)
chip->pdata->r_sns = MAX17042_DEFAULT_SNS_RESISTOR;
@@ -731,17 +743,18 @@ static int max17042_probe(struct i2c_client *client,
regmap_write(chip->regmap, MAX17042_LearnCFG, 0x0007);
}
- ret = power_supply_register(&client->dev, &chip->battery, NULL);
- if (ret) {
+ chip->battery = power_supply_register(&client->dev, max17042_desc,
+ &psy_cfg);
+ if (IS_ERR(chip->battery)) {
dev_err(&client->dev, "failed: power supply register\n");
- return ret;
+ return PTR_ERR(chip->battery);
}
if (client->irq) {
ret = request_threaded_irq(client->irq, NULL,
max17042_thread_handler,
IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
- chip->battery.name, chip);
+ chip->battery->desc->name, chip);
if (!ret) {
regmap_update_bits(chip->regmap, MAX17042_CONFIG,
CONFIG_ALRT_BIT_ENBL,
@@ -771,7 +784,7 @@ static int max17042_remove(struct i2c_client *client)
if (client->irq)
free_irq(client->irq, chip);
- power_supply_unregister(&chip->battery);
+ power_supply_unregister(chip->battery);
return 0;
}