51 	int (*get_battery_current)(struct ds278x_info *info, int *current_uA);
52 	int (*get_battery_voltage)(struct ds278x_info *info, int *voltage_uV);
53 	int (*get_battery_capacity)(struct ds278x_info *info, int *capacity);
73 static inline int ds278x_read_reg(struct ds278x_info *info, int reg, u8 *val)  in ds278x_read_reg()  argument
77 	ret = i2c_smbus_read_byte_data(info->client, reg);  in ds278x_read_reg()
79 		dev_err(&info->client->dev, "register read failed\n");  in ds278x_read_reg()
87 static inline int ds278x_read_reg16(struct ds278x_info *info, int reg_msb,  in ds278x_read_reg16()  argument
92 	ret = i2c_smbus_read_word_data(info->client, reg_msb);  in ds278x_read_reg16()
94 		dev_err(&info->client->dev, "register read failed\n");  in ds278x_read_reg16()
102 static int ds278x_get_temp(struct ds278x_info *info, int *temp)  in ds278x_get_temp()  argument
113 	err = ds278x_read_reg16(info, DS278x_REG_TEMP_MSB, &raw);  in ds278x_get_temp()
120 static int ds2782_get_current(struct ds278x_info *info, int *current_uA)  in ds2782_get_current()  argument
131 	err = ds278x_read_reg(info, DS2782_REG_RSNSP, &sense_res_raw);  in ds2782_get_current()
135 		dev_err(&info->client->dev, "sense resistor value is 0\n");  in ds2782_get_current()
140 	dev_dbg(&info->client->dev, "sense resistor = %d milli-ohms\n",  in ds2782_get_current()
142 	err = ds278x_read_reg16(info, DS278x_REG_CURRENT_MSB, &raw);  in ds2782_get_current()
149 static int ds2782_get_voltage(struct ds278x_info *info, int *voltage_uV)  in ds2782_get_voltage()  argument
158 	err = ds278x_read_reg16(info, DS278x_REG_VOLT_MSB, &raw);  in ds2782_get_voltage()
165 static int ds2782_get_capacity(struct ds278x_info *info, int *capacity)  in ds2782_get_capacity()  argument
170 	err = ds278x_read_reg(info, DS2782_REG_RARC, &raw);  in ds2782_get_capacity()
177 static int ds2786_get_current(struct ds278x_info *info, int *current_uA)  in ds2786_get_current()  argument
182 	err = ds278x_read_reg16(info, DS278x_REG_CURRENT_MSB, &raw);  in ds2786_get_current()
185 	*current_uA = (raw / 16) * (DS2786_CURRENT_UNITS / info->rsns);  in ds2786_get_current()
189 static int ds2786_get_voltage(struct ds278x_info *info, int *voltage_uV)  in ds2786_get_voltage()  argument
198 	err = ds278x_read_reg16(info, DS278x_REG_VOLT_MSB, &raw);  in ds2786_get_voltage()
205 static int ds2786_get_capacity(struct ds278x_info *info, int *capacity)  in ds2786_get_capacity()  argument
210 	err = ds278x_read_reg(info, DS2786_REG_RARC, &raw);  in ds2786_get_capacity()
218 static int ds278x_get_status(struct ds278x_info *info, int *status)  in ds278x_get_status()  argument
224 	err = info->ops->get_battery_current(info, &current_uA);  in ds278x_get_status()
228 	err = info->ops->get_battery_capacity(info, &capacity);  in ds278x_get_status()
232 	info->capacity = capacity;  in ds278x_get_status()
250 	struct ds278x_info *info = to_ds278x_info(psy);  in ds278x_battery_get_property()  local
255 		ret = ds278x_get_status(info, &val->intval);  in ds278x_battery_get_property()
259 		ret = info->ops->get_battery_capacity(info, &val->intval);  in ds278x_battery_get_property()
263 		ret = info->ops->get_battery_voltage(info, &val->intval);  in ds278x_battery_get_property()
267 		ret = info->ops->get_battery_current(info, &val->intval);  in ds278x_battery_get_property()
271 		ret = ds278x_get_temp(info, &val->intval);  in ds278x_battery_get_property()
281 static void ds278x_bat_update(struct ds278x_info *info)  in ds278x_bat_update()  argument
283 	int old_status = info->status;  in ds278x_bat_update()
284 	int old_capacity = info->capacity;  in ds278x_bat_update()
286 	ds278x_get_status(info, &info->status);  in ds278x_bat_update()
288 	if ((old_status != info->status) || (old_capacity != info->capacity))  in ds278x_bat_update()
289 		power_supply_changed(info->battery);  in ds278x_bat_update()
294 	struct ds278x_info *info;  in ds278x_bat_work()  local
296 	info = container_of(work, struct ds278x_info, bat_work.work);  in ds278x_bat_work()
297 	ds278x_bat_update(info);  in ds278x_bat_work()
299 	schedule_delayed_work(&info->bat_work, DS278x_DELAY);  in ds278x_bat_work()
321 	struct ds278x_info *info = i2c_get_clientdata(client);  in ds278x_battery_remove()  local
323 	power_supply_unregister(info->battery);  in ds278x_battery_remove()
324 	kfree(info->battery_desc.name);  in ds278x_battery_remove()
327 	idr_remove(&battery_id, info->id);  in ds278x_battery_remove()
330 	cancel_delayed_work(&info->bat_work);  in ds278x_battery_remove()
332 	kfree(info);  in ds278x_battery_remove()
341 	struct ds278x_info *info = i2c_get_clientdata(client);  in ds278x_suspend()  local
343 	cancel_delayed_work(&info->bat_work);  in ds278x_suspend()
350 	struct ds278x_info *info = i2c_get_clientdata(client);  in ds278x_resume()  local
352 	schedule_delayed_work(&info->bat_work, DS278x_DELAY);  in ds278x_resume()
382 	struct ds278x_info *info;  in ds278x_battery_probe()  local
403 	info = kzalloc(sizeof(*info), GFP_KERNEL);  in ds278x_battery_probe()
404 	if (!info) {  in ds278x_battery_probe()
409 	info->battery_desc.name = kasprintf(GFP_KERNEL, "%s-%d",  in ds278x_battery_probe()
411 	if (!info->battery_desc.name) {  in ds278x_battery_probe()
417 		info->rsns = pdata->rsns;  in ds278x_battery_probe()
419 	i2c_set_clientdata(client, info);  in ds278x_battery_probe()
420 	info->client = client;  in ds278x_battery_probe()
421 	info->id = num;  in ds278x_battery_probe()
422 	info->ops  = &ds278x_ops[id->driver_data];  in ds278x_battery_probe()
423 	ds278x_power_supply_init(&info->battery_desc);  in ds278x_battery_probe()
424 	psy_cfg.drv_data = info;  in ds278x_battery_probe()
426 	info->capacity = 100;  in ds278x_battery_probe()
427 	info->status = POWER_SUPPLY_STATUS_FULL;  in ds278x_battery_probe()
429 	INIT_DELAYED_WORK(&info->bat_work, ds278x_bat_work);  in ds278x_battery_probe()
431 	info->battery = power_supply_register(&client->dev,  in ds278x_battery_probe()
432 					      &info->battery_desc, &psy_cfg);  in ds278x_battery_probe()
433 	if (IS_ERR(info->battery)) {  in ds278x_battery_probe()
435 		ret = PTR_ERR(info->battery);  in ds278x_battery_probe()
438 		schedule_delayed_work(&info->bat_work, DS278x_DELAY);  in ds278x_battery_probe()
444 	kfree(info->battery_desc.name);  in ds278x_battery_probe()
446 	kfree(info);  in ds278x_battery_probe()