Lines Matching refs:vibrator
3 * PWM vibrator driver
36 static int pwm_vibrator_start(struct pwm_vibrator *vibrator)
38 struct device *pdev = vibrator->input->dev.parent;
42 if (!vibrator->vcc_on) {
43 err = regulator_enable(vibrator->vcc);
48 vibrator->vcc_on = true;
51 pwm_get_state(vibrator->pwm, &state);
52 pwm_set_relative_duty_cycle(&state, vibrator->level, 0xffff);
55 err = pwm_apply_state(vibrator->pwm, &state);
61 if (vibrator->pwm_dir) {
62 pwm_get_state(vibrator->pwm_dir, &state);
63 state.duty_cycle = vibrator->direction_duty_cycle;
66 err = pwm_apply_state(vibrator->pwm_dir, &state);
69 pwm_disable(vibrator->pwm);
77 static void pwm_vibrator_stop(struct pwm_vibrator *vibrator)
79 if (vibrator->pwm_dir)
80 pwm_disable(vibrator->pwm_dir);
81 pwm_disable(vibrator->pwm);
83 if (vibrator->vcc_on) {
84 regulator_disable(vibrator->vcc);
85 vibrator->vcc_on = false;
91 struct pwm_vibrator *vibrator = container_of(work,
94 if (vibrator->level)
95 pwm_vibrator_start(vibrator);
97 pwm_vibrator_stop(vibrator);
103 struct pwm_vibrator *vibrator = input_get_drvdata(dev);
105 vibrator->level = effect->u.rumble.strong_magnitude;
106 if (!vibrator->level)
107 vibrator->level = effect->u.rumble.weak_magnitude;
109 schedule_work(&vibrator->play_work);
116 struct pwm_vibrator *vibrator = input_get_drvdata(input);
118 cancel_work_sync(&vibrator->play_work);
119 pwm_vibrator_stop(vibrator);
124 struct pwm_vibrator *vibrator;
128 vibrator = devm_kzalloc(&pdev->dev, sizeof(*vibrator), GFP_KERNEL);
129 if (!vibrator)
132 vibrator->input = devm_input_allocate_device(&pdev->dev);
133 if (!vibrator->input)
136 vibrator->vcc = devm_regulator_get(&pdev->dev, "vcc");
137 err = PTR_ERR_OR_ZERO(vibrator->vcc);
145 vibrator->pwm = devm_pwm_get(&pdev->dev, "enable");
146 err = PTR_ERR_OR_ZERO(vibrator->pwm);
154 INIT_WORK(&vibrator->play_work, pwm_vibrator_play_work);
157 pwm_init_state(vibrator->pwm, &state);
159 err = pwm_apply_state(vibrator->pwm, &state);
166 vibrator->pwm_dir = devm_pwm_get(&pdev->dev, "direction");
167 err = PTR_ERR_OR_ZERO(vibrator->pwm_dir);
171 pwm_init_state(vibrator->pwm_dir, &state);
173 err = pwm_apply_state(vibrator->pwm_dir, &state);
180 vibrator->direction_duty_cycle =
181 pwm_get_period(vibrator->pwm_dir) / 2;
183 &vibrator->direction_duty_cycle);
188 vibrator->pwm_dir = NULL;
199 vibrator->input->name = "pwm-vibrator";
200 vibrator->input->id.bustype = BUS_HOST;
201 vibrator->input->dev.parent = &pdev->dev;
202 vibrator->input->close = pwm_vibrator_close;
204 input_set_drvdata(vibrator->input, vibrator);
205 input_set_capability(vibrator->input, EV_FF, FF_RUMBLE);
207 err = input_ff_create_memless(vibrator->input, NULL,
214 err = input_register_device(vibrator->input);
220 platform_set_drvdata(pdev, vibrator);
227 struct pwm_vibrator *vibrator = dev_get_drvdata(dev);
229 cancel_work_sync(&vibrator->play_work);
230 if (vibrator->level)
231 pwm_vibrator_stop(vibrator);
238 struct pwm_vibrator *vibrator = dev_get_drvdata(dev);
240 if (vibrator->level)
241 pwm_vibrator_start(vibrator);
251 { .compatible = "pwm-vibrator" },
260 .name = "pwm-vibrator",
268 MODULE_DESCRIPTION("PWM vibrator driver");
270 MODULE_ALIAS("platform:pwm-vibrator");