421 static void bu21013_free_irq(struct bu21013_ts_data *bu21013_data)  in bu21013_free_irq()  argument
423 	bu21013_data->touch_stopped = true;  in bu21013_free_irq()
424 	wake_up(&bu21013_data->wait);  in bu21013_free_irq()
425 	free_irq(bu21013_data->irq, bu21013_data);  in bu21013_free_irq()
435 static void bu21013_cs_disable(struct bu21013_ts_data *bu21013_data)  in bu21013_cs_disable()  argument
439 	error = gpio_direction_output(bu21013_data->chip->cs_pin, 0);  in bu21013_cs_disable()
441 		dev_warn(&bu21013_data->client->dev,  in bu21013_cs_disable()
445 		gpio_set_value(bu21013_data->chip->cs_pin, 0);  in bu21013_cs_disable()
447 	gpio_free(bu21013_data->chip->cs_pin);  in bu21013_cs_disable()
503 	struct bu21013_ts_data *bu21013_data;  in bu21013_probe()  local
524 	bu21013_data = kzalloc(sizeof(struct bu21013_ts_data), GFP_KERNEL);  in bu21013_probe()
526 	if (!bu21013_data || !in_dev) {  in bu21013_probe()
532 	bu21013_data->in_dev = in_dev;  in bu21013_probe()
533 	bu21013_data->chip = pdata;  in bu21013_probe()
534 	bu21013_data->client = client;  in bu21013_probe()
535 	bu21013_data->irq = gpio_to_irq(pdata->touch_pin);  in bu21013_probe()
537 	bu21013_data->regulator = regulator_get(&client->dev, "avdd");  in bu21013_probe()
538 	if (IS_ERR(bu21013_data->regulator)) {  in bu21013_probe()
540 		error = PTR_ERR(bu21013_data->regulator);  in bu21013_probe()
544 	error = regulator_enable(bu21013_data->regulator);  in bu21013_probe()
550 	bu21013_data->touch_stopped = false;  in bu21013_probe()
551 	init_waitqueue_head(&bu21013_data->wait);  in bu21013_probe()
562 	error = bu21013_init_chip(bu21013_data);  in bu21013_probe()
581 	input_set_drvdata(in_dev, bu21013_data);  in bu21013_probe()
583 	error = request_threaded_irq(bu21013_data->irq, NULL, bu21013_gpio_irq,  in bu21013_probe()
586 				     DRIVER_TP, bu21013_data);  in bu21013_probe()
589 			bu21013_data->irq);  in bu21013_probe()
600 	i2c_set_clientdata(client, bu21013_data);  in bu21013_probe()
605 	bu21013_free_irq(bu21013_data);  in bu21013_probe()
607 	bu21013_cs_disable(bu21013_data);  in bu21013_probe()
609 	regulator_disable(bu21013_data->regulator);  in bu21013_probe()
611 	regulator_put(bu21013_data->regulator);  in bu21013_probe()
614 	kfree(bu21013_data);  in bu21013_probe()
627 	struct bu21013_ts_data *bu21013_data = i2c_get_clientdata(client);  in bu21013_remove()  local
629 	bu21013_free_irq(bu21013_data);  in bu21013_remove()
631 	bu21013_cs_disable(bu21013_data);  in bu21013_remove()
633 	input_unregister_device(bu21013_data->in_dev);  in bu21013_remove()
635 	regulator_disable(bu21013_data->regulator);  in bu21013_remove()
636 	regulator_put(bu21013_data->regulator);  in bu21013_remove()
638 	kfree(bu21013_data);  in bu21013_remove()
655 	struct bu21013_ts_data *bu21013_data = dev_get_drvdata(dev);  in bu21013_suspend()  local
656 	struct i2c_client *client = bu21013_data->client;  in bu21013_suspend()
658 	bu21013_data->touch_stopped = true;  in bu21013_suspend()
660 		enable_irq_wake(bu21013_data->irq);  in bu21013_suspend()
662 		disable_irq(bu21013_data->irq);  in bu21013_suspend()
664 	regulator_disable(bu21013_data->regulator);  in bu21013_suspend()
678 	struct bu21013_ts_data *bu21013_data = dev_get_drvdata(dev);  in bu21013_resume()  local
679 	struct i2c_client *client = bu21013_data->client;  in bu21013_resume()
682 	retval = regulator_enable(bu21013_data->regulator);  in bu21013_resume()
688 	retval = bu21013_init_chip(bu21013_data);  in bu21013_resume()
694 	bu21013_data->touch_stopped = false;  in bu21013_resume()
697 		disable_irq_wake(bu21013_data->irq);  in bu21013_resume()
699 		enable_irq(bu21013_data->irq);  in bu21013_resume()