39 static int pwm_vibrator_start(struct pwm_vibrator *vibrator)  in pwm_vibrator_start()  argument
41 	struct device *pdev = vibrator->input->dev.parent;  in pwm_vibrator_start()
45 	err = regulator_enable(vibrator->vcc);  in pwm_vibrator_start()
51 	pwm_get_state(vibrator->pwm, &state);  in pwm_vibrator_start()
52 	pwm_set_relative_duty_cycle(&state, vibrator->level, 0xffff);  in pwm_vibrator_start()
55 	err = pwm_apply_state(vibrator->pwm, &state);  in pwm_vibrator_start()
61 	if (vibrator->pwm_dir) {  in pwm_vibrator_start()
62 		pwm_get_state(vibrator->pwm_dir, &state);  in pwm_vibrator_start()
63 		state.duty_cycle = vibrator->direction_duty_cycle;  in pwm_vibrator_start()
66 		err = pwm_apply_state(vibrator->pwm_dir, &state);  in pwm_vibrator_start()
69 			pwm_disable(vibrator->pwm);  in pwm_vibrator_start()
77 static void pwm_vibrator_stop(struct pwm_vibrator *vibrator)  in pwm_vibrator_stop()  argument
79 	regulator_disable(vibrator->vcc);  in pwm_vibrator_stop()
81 	if (vibrator->pwm_dir)  in pwm_vibrator_stop()
82 		pwm_disable(vibrator->pwm_dir);  in pwm_vibrator_stop()
83 	pwm_disable(vibrator->pwm);  in pwm_vibrator_stop()
88 	struct pwm_vibrator *vibrator = container_of(work,  in pwm_vibrator_play_work()  local
91 	if (vibrator->level)  in pwm_vibrator_play_work()
92 		pwm_vibrator_start(vibrator);  in pwm_vibrator_play_work()
94 		pwm_vibrator_stop(vibrator);  in pwm_vibrator_play_work()
100 	struct pwm_vibrator *vibrator = input_get_drvdata(dev);  in pwm_vibrator_play_effect()  local
102 	vibrator->level = effect->u.rumble.strong_magnitude;  in pwm_vibrator_play_effect()
103 	if (!vibrator->level)  in pwm_vibrator_play_effect()
104 		vibrator->level = effect->u.rumble.weak_magnitude;  in pwm_vibrator_play_effect()
106 	schedule_work(&vibrator->play_work);  in pwm_vibrator_play_effect()
113 	struct pwm_vibrator *vibrator = input_get_drvdata(input);  in pwm_vibrator_close()  local
115 	cancel_work_sync(&vibrator->play_work);  in pwm_vibrator_close()
116 	pwm_vibrator_stop(vibrator);  in pwm_vibrator_close()
121 	struct pwm_vibrator *vibrator;  in pwm_vibrator_probe()  local
125 	vibrator = devm_kzalloc(&pdev->dev, sizeof(*vibrator), GFP_KERNEL);  in pwm_vibrator_probe()
126 	if (!vibrator)  in pwm_vibrator_probe()
129 	vibrator->input = devm_input_allocate_device(&pdev->dev);  in pwm_vibrator_probe()
130 	if (!vibrator->input)  in pwm_vibrator_probe()
133 	vibrator->vcc = devm_regulator_get(&pdev->dev, "vcc");  in pwm_vibrator_probe()
134 	err = PTR_ERR_OR_ZERO(vibrator->vcc);  in pwm_vibrator_probe()
142 	vibrator->pwm = devm_pwm_get(&pdev->dev, "enable");  in pwm_vibrator_probe()
143 	err = PTR_ERR_OR_ZERO(vibrator->pwm);  in pwm_vibrator_probe()
151 	INIT_WORK(&vibrator->play_work, pwm_vibrator_play_work);  in pwm_vibrator_probe()
154 	pwm_init_state(vibrator->pwm, &state);  in pwm_vibrator_probe()
156 	err = pwm_apply_state(vibrator->pwm, &state);  in pwm_vibrator_probe()
163 	vibrator->pwm_dir = devm_pwm_get(&pdev->dev, "direction");  in pwm_vibrator_probe()
164 	err = PTR_ERR_OR_ZERO(vibrator->pwm_dir);  in pwm_vibrator_probe()
168 		pwm_init_state(vibrator->pwm_dir, &state);  in pwm_vibrator_probe()
170 		err = pwm_apply_state(vibrator->pwm_dir, &state);  in pwm_vibrator_probe()
177 		vibrator->direction_duty_cycle =  in pwm_vibrator_probe()
178 			pwm_get_period(vibrator->pwm_dir) / 2;  in pwm_vibrator_probe()
180 					 &vibrator->direction_duty_cycle);  in pwm_vibrator_probe()
185 		vibrator->pwm_dir = NULL;  in pwm_vibrator_probe()
196 	vibrator->input->name = "pwm-vibrator";  in pwm_vibrator_probe()
197 	vibrator->input->id.bustype = BUS_HOST;  in pwm_vibrator_probe()
198 	vibrator->input->dev.parent = &pdev->dev;  in pwm_vibrator_probe()
199 	vibrator->input->close = pwm_vibrator_close;  in pwm_vibrator_probe()
201 	input_set_drvdata(vibrator->input, vibrator);  in pwm_vibrator_probe()
202 	input_set_capability(vibrator->input, EV_FF, FF_RUMBLE);  in pwm_vibrator_probe()
204 	err = input_ff_create_memless(vibrator->input, NULL,  in pwm_vibrator_probe()
211 	err = input_register_device(vibrator->input);  in pwm_vibrator_probe()
217 	platform_set_drvdata(pdev, vibrator);  in pwm_vibrator_probe()
224 	struct pwm_vibrator *vibrator = dev_get_drvdata(dev);  in pwm_vibrator_suspend()  local
226 	cancel_work_sync(&vibrator->play_work);  in pwm_vibrator_suspend()
227 	if (vibrator->level)  in pwm_vibrator_suspend()
228 		pwm_vibrator_stop(vibrator);  in pwm_vibrator_suspend()
235 	struct pwm_vibrator *vibrator = dev_get_drvdata(dev);  in pwm_vibrator_resume()  local
237 	if (vibrator->level)  in pwm_vibrator_resume()
238 		pwm_vibrator_start(vibrator);  in pwm_vibrator_resume()