3  * Backup battery driver for Wolfson Microelectronics wm831x PMICs
21 	struct power_supply *backup;  member
40  *		Backup supply properties
49 	if (!wm831x_pdata || !wm831x_pdata->backup) {  in wm831x_config_backup()
51 			 "No backup battery charger configuration\n");  in wm831x_config_backup()
55 	pdata = wm831x_pdata->backup;  in wm831x_config_backup()
71 		dev_err(wm831x->dev, "Invalid backup voltage limit %dmV\n",  in wm831x_config_backup()
88 		dev_err(wm831x->dev, "Invalid backup current limit %duA\n",  in wm831x_config_backup()
107 			"Failed to set backup charger config: %d\n", ret);  in wm831x_config_backup()
184 			 "wm831x-backup.%d", wm831x_pdata->wm831x_num);  in wm831x_backup_probe()
187 			 "wm831x-backup");  in wm831x_backup_probe()
194 	devdata->backup = power_supply_register(&pdev->dev,  in wm831x_backup_probe()
197 	return PTR_ERR_OR_ZERO(devdata->backup);  in wm831x_backup_probe()
204 	power_supply_unregister(devdata->backup);  in wm831x_backup_remove()
213 		.name = "wm831x-backup",
219 MODULE_DESCRIPTION("Backup battery charger driver for WM831x PMICs");
222 MODULE_ALIAS("platform:wm831x-backup");