419 static int hidinput_scale_battery_capacity(struct hid_battery *bat,  in hidinput_scale_battery_capacity()  argument
422 	if (bat->min < bat->max &&  in hidinput_scale_battery_capacity()
423 	    value >= bat->min && value <= bat->max)  in hidinput_scale_battery_capacity()
424 		value = ((value - bat->min) * 100) /  in hidinput_scale_battery_capacity()
425 			(bat->max - bat->min);  in hidinput_scale_battery_capacity()
430 static int hidinput_query_battery_capacity(struct hid_battery *bat)  in hidinput_query_battery_capacity()  argument
438 	ret = hid_hw_raw_request(bat->dev, bat->report_id, buf, 4,  in hidinput_query_battery_capacity()
439 				 bat->report_type, HID_REQ_GET_REPORT);  in hidinput_query_battery_capacity()
443 	return hidinput_scale_battery_capacity(bat, buf[1]);  in hidinput_query_battery_capacity()
450 	struct hid_battery *bat = power_supply_get_drvdata(psy);  in hidinput_get_battery_property()  local
451 	struct hid_device *dev = bat->dev;  in hidinput_get_battery_property()
461 		val->intval = bat->present;  in hidinput_get_battery_property()
465 		if (bat->status != HID_BATTERY_REPORTED &&  in hidinput_get_battery_property()
466 		    !bat->avoid_query) {  in hidinput_get_battery_property()
467 			value = hidinput_query_battery_capacity(bat);  in hidinput_get_battery_property()
471 			value = bat->capacity;  in hidinput_get_battery_property()
482 		if (bat->status != HID_BATTERY_REPORTED &&  in hidinput_get_battery_property()
483 		    !bat->avoid_query) {  in hidinput_get_battery_property()
484 			value = hidinput_query_battery_capacity(bat);  in hidinput_get_battery_property()
488 			bat->capacity = value;  in hidinput_get_battery_property()
489 			bat->status = HID_BATTERY_QUERIED;  in hidinput_get_battery_property()
492 		if (bat->status == HID_BATTERY_UNKNOWN)  in hidinput_get_battery_property()
495 			val->intval = bat->charge_status;  in hidinput_get_battery_property()
513 	struct hid_battery *bat;  in hidinput_find_battery()  local
515 	list_for_each_entry(bat, &dev->batteries, list) {  in hidinput_find_battery()
516 		if (bat->report_id == report_id)  in hidinput_find_battery()
517 			return bat;  in hidinput_find_battery()
525 	struct hid_battery *bat;  in hidinput_setup_battery()  local
545 	bat = devm_kzalloc(&dev->dev, sizeof(*bat), GFP_KERNEL);  in hidinput_setup_battery()
546 	if (!bat)  in hidinput_setup_battery()
582 	bat->dev = dev;  in hidinput_setup_battery()
583 	bat->min = min;  in hidinput_setup_battery()
584 	bat->max = max;  in hidinput_setup_battery()
585 	bat->report_type = report_type;  in hidinput_setup_battery()
586 	bat->report_id = field->report->id;  in hidinput_setup_battery()
587 	bat->charge_status = POWER_SUPPLY_STATUS_DISCHARGING;  in hidinput_setup_battery()
588 	bat->status = HID_BATTERY_UNKNOWN;  in hidinput_setup_battery()
595 	bat->avoid_query = report_type == HID_INPUT_REPORT &&  in hidinput_setup_battery()
599 		bat->avoid_query = true;  in hidinput_setup_battery()
601 	bat->present = (quirks & HID_BATTERY_QUIRK_DYNAMIC) ? false : true;  in hidinput_setup_battery()
603 	psy_cfg.drv_data = bat;  in hidinput_setup_battery()
604 	bat->ps = devm_power_supply_register(&dev->dev, psy_desc, &psy_cfg);  in hidinput_setup_battery()
605 	if (IS_ERR(bat->ps)) {  in hidinput_setup_battery()
606 		error = PTR_ERR(bat->ps);  in hidinput_setup_battery()
611 	power_supply_powers(bat->ps, &dev->dev);  in hidinput_setup_battery()
612 	list_add_tail(&bat->list, &dev->batteries);  in hidinput_setup_battery()
620 	devm_kfree(&dev->dev, bat);  in hidinput_setup_battery()
624 static bool hidinput_update_battery_charge_status(struct hid_battery *bat,  in hidinput_update_battery_charge_status()  argument
629 		bat->charge_status = value ?  in hidinput_update_battery_charge_status()
641 	struct hid_battery *bat;  in hidinput_update_battery()  local
644 	bat = hidinput_find_battery(dev, report_id);  in hidinput_update_battery()
645 	if (!bat)  in hidinput_update_battery()
648 	if (hidinput_update_battery_charge_status(bat, usage, value)) {  in hidinput_update_battery()
649 		bat->present = true;  in hidinput_update_battery()
650 		power_supply_changed(bat->ps);  in hidinput_update_battery()
657 	if (value < bat->min || value > bat->max)  in hidinput_update_battery()
660 	capacity = hidinput_scale_battery_capacity(bat, value);  in hidinput_update_battery()
662 	if (bat->status != HID_BATTERY_REPORTED ||  in hidinput_update_battery()
663 	    capacity != bat->capacity ||  in hidinput_update_battery()
664 	    ktime_after(ktime_get_coarse(), bat->ratelimit_time)) {  in hidinput_update_battery()
665 		bat->present = true;  in hidinput_update_battery()
666 		bat->capacity = capacity;  in hidinput_update_battery()
667 		bat->status = HID_BATTERY_REPORTED;  in hidinput_update_battery()
668 		bat->ratelimit_time =  in hidinput_update_battery()
670 		power_supply_changed(bat->ps);  in hidinput_update_battery()