37 static int gpio_vibrator_start(struct gpio_vibrator *vibrator)  in gpio_vibrator_start()  argument
39 	struct device *pdev = vibrator->input->dev.parent;  in gpio_vibrator_start()
42 	if (!vibrator->vcc_on) {  in gpio_vibrator_start()
43 		err = regulator_enable(vibrator->vcc);  in gpio_vibrator_start()
48 		vibrator->vcc_on = true;  in gpio_vibrator_start()
51 	gpiod_set_value_cansleep(vibrator->gpio, 1);  in gpio_vibrator_start()
56 static void gpio_vibrator_stop(struct gpio_vibrator *vibrator)  in gpio_vibrator_stop()  argument
58 	gpiod_set_value_cansleep(vibrator->gpio, 0);  in gpio_vibrator_stop()
60 	if (vibrator->vcc_on) {  in gpio_vibrator_stop()
61 		regulator_disable(vibrator->vcc);  in gpio_vibrator_stop()
62 		vibrator->vcc_on = false;  in gpio_vibrator_stop()
68 	struct gpio_vibrator *vibrator =  in gpio_vibrator_play_work()  local
71 	if (vibrator->running)  in gpio_vibrator_play_work()
72 		gpio_vibrator_start(vibrator);  in gpio_vibrator_play_work()
74 		gpio_vibrator_stop(vibrator);  in gpio_vibrator_play_work()
80 	struct gpio_vibrator *vibrator = input_get_drvdata(dev);  in gpio_vibrator_play_effect()  local
87 	vibrator->running = level;  in gpio_vibrator_play_effect()
88 	schedule_work(&vibrator->play_work);  in gpio_vibrator_play_effect()
95 	struct gpio_vibrator *vibrator = input_get_drvdata(input);  in gpio_vibrator_close()  local
97 	cancel_work_sync(&vibrator->play_work);  in gpio_vibrator_close()
98 	gpio_vibrator_stop(vibrator);  in gpio_vibrator_close()
99 	vibrator->running = false;  in gpio_vibrator_close()
104 	struct gpio_vibrator *vibrator;  in gpio_vibrator_probe()  local
107 	vibrator = devm_kzalloc(&pdev->dev, sizeof(*vibrator), GFP_KERNEL);  in gpio_vibrator_probe()
108 	if (!vibrator)  in gpio_vibrator_probe()
111 	vibrator->input = devm_input_allocate_device(&pdev->dev);  in gpio_vibrator_probe()
112 	if (!vibrator->input)  in gpio_vibrator_probe()
115 	vibrator->vcc = devm_regulator_get(&pdev->dev, "vcc");  in gpio_vibrator_probe()
116 	if (IS_ERR(vibrator->vcc))  in gpio_vibrator_probe()
117 		return dev_err_probe(&pdev->dev, PTR_ERR(vibrator->vcc),  in gpio_vibrator_probe()
120 	vibrator->gpio = devm_gpiod_get(&pdev->dev, "enable", GPIOD_OUT_LOW);  in gpio_vibrator_probe()
121 	if (IS_ERR(vibrator->gpio))  in gpio_vibrator_probe()
122 		return dev_err_probe(&pdev->dev, PTR_ERR(vibrator->gpio),  in gpio_vibrator_probe()
125 	INIT_WORK(&vibrator->play_work, gpio_vibrator_play_work);  in gpio_vibrator_probe()
127 	vibrator->input->name = "gpio-vibrator";  in gpio_vibrator_probe()
128 	vibrator->input->id.bustype = BUS_HOST;  in gpio_vibrator_probe()
129 	vibrator->input->close = gpio_vibrator_close;  in gpio_vibrator_probe()
131 	input_set_drvdata(vibrator->input, vibrator);  in gpio_vibrator_probe()
132 	input_set_capability(vibrator->input, EV_FF, FF_RUMBLE);  in gpio_vibrator_probe()
134 	err = input_ff_create_memless(vibrator->input, NULL,  in gpio_vibrator_probe()
141 	err = input_register_device(vibrator->input);  in gpio_vibrator_probe()
147 	platform_set_drvdata(pdev, vibrator);  in gpio_vibrator_probe()
155 	struct gpio_vibrator *vibrator = platform_get_drvdata(pdev);  in gpio_vibrator_suspend()  local
157 	cancel_work_sync(&vibrator->play_work);  in gpio_vibrator_suspend()
158 	if (vibrator->running)  in gpio_vibrator_suspend()
159 		gpio_vibrator_stop(vibrator);  in gpio_vibrator_suspend()
167 	struct gpio_vibrator *vibrator = platform_get_drvdata(pdev);  in gpio_vibrator_resume()  local
169 	if (vibrator->running)  in gpio_vibrator_resume()
170 		gpio_vibrator_start(vibrator);  in gpio_vibrator_resume()