34 static void __pwm_beeper_set(struct pwm_beeper *beeper)  in __pwm_beeper_set()  argument
36 	unsigned long period = beeper->period;  in __pwm_beeper_set()
39 		pwm_config(beeper->pwm, period / 2, period);  in __pwm_beeper_set()
40 		pwm_enable(beeper->pwm);  in __pwm_beeper_set()
42 		pwm_disable(beeper->pwm);  in __pwm_beeper_set()
47 	struct pwm_beeper *beeper =  in pwm_beeper_work()  local
50 	__pwm_beeper_set(beeper);  in pwm_beeper_work()
56 	struct pwm_beeper *beeper = input_get_drvdata(input);  in pwm_beeper_event()  local
72 		beeper->period = 0;  in pwm_beeper_event()
74 		beeper->period = HZ_TO_NANOSECONDS(value);  in pwm_beeper_event()
76 	schedule_work(&beeper->work);  in pwm_beeper_event()
81 static void pwm_beeper_stop(struct pwm_beeper *beeper)  in pwm_beeper_stop()  argument
83 	cancel_work_sync(&beeper->work);  in pwm_beeper_stop()
85 	if (beeper->period)  in pwm_beeper_stop()
86 		pwm_disable(beeper->pwm);  in pwm_beeper_stop()
91 	struct pwm_beeper *beeper = input_get_drvdata(input);  in pwm_beeper_close()  local
93 	pwm_beeper_stop(beeper);  in pwm_beeper_close()
99 	struct pwm_beeper *beeper;  in pwm_beeper_probe()  local
102 	beeper = kzalloc(sizeof(*beeper), GFP_KERNEL);  in pwm_beeper_probe()
103 	if (!beeper)  in pwm_beeper_probe()
106 	beeper->pwm = pwm_get(&pdev->dev, NULL);  in pwm_beeper_probe()
107 	if (IS_ERR(beeper->pwm)) {  in pwm_beeper_probe()
109 		beeper->pwm = pwm_request(pwm_id, "pwm beeper");  in pwm_beeper_probe()
112 	if (IS_ERR(beeper->pwm)) {  in pwm_beeper_probe()
113 		error = PTR_ERR(beeper->pwm);  in pwm_beeper_probe()
118 	INIT_WORK(&beeper->work, pwm_beeper_work);  in pwm_beeper_probe()
120 	beeper->input = input_allocate_device();  in pwm_beeper_probe()
121 	if (!beeper->input) {  in pwm_beeper_probe()
126 	beeper->input->dev.parent = &pdev->dev;  in pwm_beeper_probe()
128 	beeper->input->name = "pwm-beeper";  in pwm_beeper_probe()
129 	beeper->input->phys = "pwm/input0";  in pwm_beeper_probe()
130 	beeper->input->id.bustype = BUS_HOST;  in pwm_beeper_probe()
131 	beeper->input->id.vendor = 0x001f;  in pwm_beeper_probe()
132 	beeper->input->id.product = 0x0001;  in pwm_beeper_probe()
133 	beeper->input->id.version = 0x0100;  in pwm_beeper_probe()
135 	beeper->input->evbit[0] = BIT(EV_SND);  in pwm_beeper_probe()
136 	beeper->input->sndbit[0] = BIT(SND_TONE) | BIT(SND_BELL);  in pwm_beeper_probe()
138 	beeper->input->event = pwm_beeper_event;  in pwm_beeper_probe()
139 	beeper->input->close = pwm_beeper_close;  in pwm_beeper_probe()
141 	input_set_drvdata(beeper->input, beeper);  in pwm_beeper_probe()
143 	error = input_register_device(beeper->input);  in pwm_beeper_probe()
149 	platform_set_drvdata(pdev, beeper);  in pwm_beeper_probe()
154 	input_free_device(beeper->input);  in pwm_beeper_probe()
156 	pwm_free(beeper->pwm);  in pwm_beeper_probe()
158 	kfree(beeper);  in pwm_beeper_probe()
165 	struct pwm_beeper *beeper = platform_get_drvdata(pdev);  in pwm_beeper_remove()  local
167 	input_unregister_device(beeper->input);  in pwm_beeper_remove()
169 	pwm_free(beeper->pwm);  in pwm_beeper_remove()
171 	kfree(beeper);  in pwm_beeper_remove()
178 	struct pwm_beeper *beeper = dev_get_drvdata(dev);  in pwm_beeper_suspend()  local
180 	pwm_beeper_stop(beeper);  in pwm_beeper_suspend()
187 	struct pwm_beeper *beeper = dev_get_drvdata(dev);  in pwm_beeper_resume()  local
189 	if (beeper->period)  in pwm_beeper_resume()
190 		__pwm_beeper_set(beeper);  in pwm_beeper_resume()