30 static unsigned long z2_read_bat(struct z2_charger *charger)  in z2_read_bat()  argument
33 	data = i2c_smbus_read_byte_data(charger->client,  in z2_read_bat()
34 					charger->info->batt_I2C_reg);  in z2_read_bat()
38 	return data * charger->info->batt_mult / charger->info->batt_div;  in z2_read_bat()
45 	struct z2_charger *charger = power_supply_get_drvdata(batt_ps);  in z2_batt_get_property()  local
46 	struct z2_battery_info *info = charger->info;  in z2_batt_get_property()
50 		val->intval = charger->bat_status;  in z2_batt_get_property()
57 			val->intval = z2_read_bat(charger);  in z2_batt_get_property()
85 	struct z2_charger *charger = power_supply_get_drvdata(batt_ps);  in z2_batt_ext_power_changed()  local
87 	schedule_work(&charger->bat_work);  in z2_batt_ext_power_changed()
90 static void z2_batt_update(struct z2_charger *charger)  in z2_batt_update()  argument
92 	int old_status = charger->bat_status;  in z2_batt_update()
94 	mutex_lock(&charger->work_lock);  in z2_batt_update()
96 	charger->bat_status = charger->charge_gpiod ?  in z2_batt_update()
97 		(gpiod_get_value(charger->charge_gpiod) ?  in z2_batt_update()
102 	if (old_status != charger->bat_status) {  in z2_batt_update()
103 		pr_debug("%s: %i -> %i\n", charger->batt_ps->desc->name,  in z2_batt_update()
105 				charger->bat_status);  in z2_batt_update()
106 		power_supply_changed(charger->batt_ps);  in z2_batt_update()
109 	mutex_unlock(&charger->work_lock);  in z2_batt_update()
114 	struct z2_charger *charger;  in z2_batt_work()  local
115 	charger = container_of(work, struct z2_charger, bat_work);  in z2_batt_work()
116 	z2_batt_update(charger);  in z2_batt_work()
121 	struct z2_charger *charger = devid;  in z2_charge_switch_irq()  local
122 	schedule_work(&charger->bat_work);  in z2_charge_switch_irq()
126 static int z2_batt_ps_init(struct z2_charger *charger, int props)  in z2_batt_ps_init()  argument
130 	struct z2_battery_info *info = charger->info;  in z2_batt_ps_init()
132 	if (charger->charge_gpiod)  in z2_batt_ps_init()
148 	if (charger->charge_gpiod)  in z2_batt_ps_init()
160 		dev_info(&charger->client->dev,  in z2_batt_ps_init()
164 		charger->batt_ps_desc.name = Z2_DEFAULT_NAME;  in z2_batt_ps_init()
166 		charger->batt_ps_desc.name = info->batt_name;  in z2_batt_ps_init()
168 	charger->batt_ps_desc.properties	= prop;  in z2_batt_ps_init()
169 	charger->batt_ps_desc.num_properties	= props;  in z2_batt_ps_init()
170 	charger->batt_ps_desc.type		= POWER_SUPPLY_TYPE_BATTERY;  in z2_batt_ps_init()
171 	charger->batt_ps_desc.get_property	= z2_batt_get_property;  in z2_batt_ps_init()
172 	charger->batt_ps_desc.external_power_changed =  in z2_batt_ps_init()
174 	charger->batt_ps_desc.use_for_apm	= 1;  in z2_batt_ps_init()
184 	struct z2_charger *charger;  in z2_batt_probe()  local
195 	charger = kzalloc(sizeof(*charger), GFP_KERNEL);  in z2_batt_probe()
196 	if (charger == NULL)  in z2_batt_probe()
199 	charger->bat_status = POWER_SUPPLY_STATUS_UNKNOWN;  in z2_batt_probe()
200 	charger->info = info;  in z2_batt_probe()
201 	charger->client = client;  in z2_batt_probe()
202 	i2c_set_clientdata(client, charger);  in z2_batt_probe()
203 	psy_cfg.drv_data = charger;  in z2_batt_probe()
205 	mutex_init(&charger->work_lock);  in z2_batt_probe()
207 	charger->charge_gpiod = devm_gpiod_get_optional(&client->dev,  in z2_batt_probe()
209 	if (IS_ERR(charger->charge_gpiod))  in z2_batt_probe()
211 				     PTR_ERR(charger->charge_gpiod),  in z2_batt_probe()
214 	if (charger->charge_gpiod) {  in z2_batt_probe()
215 		gpiod_set_consumer_name(charger->charge_gpiod, "BATT CHRG");  in z2_batt_probe()
217 		irq_set_irq_type(gpiod_to_irq(charger->charge_gpiod),  in z2_batt_probe()
219 		ret = request_irq(gpiod_to_irq(charger->charge_gpiod),  in z2_batt_probe()
221 				"AC Detect", charger);  in z2_batt_probe()
226 	ret = z2_batt_ps_init(charger, props);  in z2_batt_probe()
230 	INIT_WORK(&charger->bat_work, z2_batt_work);  in z2_batt_probe()
232 	charger->batt_ps = power_supply_register(&client->dev,  in z2_batt_probe()
233 						 &charger->batt_ps_desc,  in z2_batt_probe()
235 	if (IS_ERR(charger->batt_ps)) {  in z2_batt_probe()
236 		ret = PTR_ERR(charger->batt_ps);  in z2_batt_probe()
240 	schedule_work(&charger->bat_work);  in z2_batt_probe()
245 	kfree(charger->batt_ps_desc.properties);  in z2_batt_probe()
247 	if (charger->charge_gpiod)  in z2_batt_probe()
248 		free_irq(gpiod_to_irq(charger->charge_gpiod), charger);  in z2_batt_probe()
250 	kfree(charger);  in z2_batt_probe()
256 	struct z2_charger *charger = i2c_get_clientdata(client);  in z2_batt_remove()  local
258 	cancel_work_sync(&charger->bat_work);  in z2_batt_remove()
259 	power_supply_unregister(charger->batt_ps);  in z2_batt_remove()
261 	kfree(charger->batt_ps_desc.properties);  in z2_batt_remove()
262 	if (charger->charge_gpiod)  in z2_batt_remove()
263 		free_irq(gpiod_to_irq(charger->charge_gpiod), charger);  in z2_batt_remove()
265 	kfree(charger);  in z2_batt_remove()
272 	struct z2_charger *charger = i2c_get_clientdata(client);  in z2_batt_suspend()  local
274 	flush_work(&charger->bat_work);  in z2_batt_suspend()
281 	struct z2_charger *charger = i2c_get_clientdata(client);  in z2_batt_resume()  local
283 	schedule_work(&charger->bat_work);  in z2_batt_resume()