static int smb136_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id)
{
struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent);
struct smb136_chg_data *chg;
int ret = 0;
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE))
return -EIO;
pr_info("%s : SMB136 Charger Driver Loading\n", __func__);
chg = kzalloc(sizeof(struct smb136_chg_data), GFP_KERNEL);
if (!chg)
return -ENOMEM;
chg->client = client;
chg->pdata = client->dev.platform_data;
chg->chgdev = chg->pdata->chgdev;
i2c_set_clientdata(client, chg);
smb136_chg = chg; // set local
printk("Smb136 charger attach success!!!\n");
// Check whether battery already full charged or not.
if(smb136_get_charging_status()==CHARGING_STATUS_FULL)
chg->chgdev->set_charging_status(CHARGING_STATUS_FULL);
if (!chg->pdata) {
pr_err("%s : No platform data supplied\n", __func__);
ret = -EINVAL;
goto err_pdata;
}
chg->chgdev->charging_control = smb136_charging;
chg->chgdev->get_connection_status = NULL;
chg->chgdev->get_charging_status = smb136_get_charging_status;
if(chg->pdata && chg->pdata->charger_dev_register)
chg->pdata->charger_dev_register(chg->chgdev);
charger_i2c_init = 1;
ret = smb136_irq_init(chg);
if (ret)
goto err_pdata;
if (device_create_file(&client->dev, &dev_attr_command) < 0)
printk("Failed to create device file(%s)!\n", dev_attr_command.attr.name);
smb136_test_read();
return 0;
err_pdata:
kfree(chg);
return ret;
}
static int smb136_get_property(struct power_supply *psy,
enum power_supply_property psp,
union power_supply_propval *val)
{
struct smb136_chip *chip = container_of(psy,
struct smb136_chip,
charger);
u8 data;
switch (psp) {
case POWER_SUPPLY_PROP_STATUS:
val->intval = smb136_get_charging_status(chip->client);
break;
case POWER_SUPPLY_PROP_CHARGE_TYPE:
val->intval = chip->cable_type;
break;
case POWER_SUPPLY_PROP_ONLINE:
val->intval = chip->is_enable;
break;
case POWER_SUPPLY_PROP_CURRENT_NOW:
smb136_i2c_read(chip->client, SMB_ChargeCurrent, &data);
switch (data >> 5) {
case 0:
val->intval = 500;
break;
case 1:
val->intval = 650;
break;
case 2:
val->intval = 750;
break;
case 3:
val->intval = 850;
break;
case 4:
val->intval = 950;
break;
case 5:
val->intval = 1100;
break;
case 6:
val->intval = 1300;
break;
case 7:
val->intval = 1500;
break;
}
break;
default:
return -EINVAL;
}
dev_info(&chip->client->dev, "%s: smb136_get_property (%d,%d)\n",
__func__, psp, val->intval);
return 0;
}
static irqreturn_t smb136_irq_thread(int irq, void *data)
{
struct smb136_chg_data *chg = data;
printk("%s\n", __func__);
smb136_test_read();
if(gpio_get_value(GPIO_TA_nCHG)==1 && smb136_get_charging_status()==CHARGING_STATUS_FULL)
{
chg->chgdev->set_charging_status(CHARGING_STATUS_FULL);
}
return IRQ_HANDLED;
}
bool sec_hal_chg_get_property(struct i2c_client *client,
enum power_supply_property psp,
union power_supply_propval *val)
{
switch (psp) {
case POWER_SUPPLY_PROP_STATUS:
val->intval = smb136_get_charging_status(client);
break;
case POWER_SUPPLY_PROP_HEALTH:
val->intval = smb136_get_charging_health(client);
break;
default:
return false;
}
return true;
}