Lines Matching +full:gpio +full:- +full:beeper

1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * Generic GPIO beeper driver
5  * Copyright (C) 2013-2014 Alexander Shiyan <shc_work@mail.ru>
10 #include <linux/gpio/consumer.h>
15 #define BEEPER_MODNAME		"gpio-beeper"
25 	gpiod_set_value_cansleep(beep->desc, on);  in gpio_beeper_toggle()
32 	gpio_beeper_toggle(beep, beep->beeping);  in gpio_beeper_work()
41 		return -ENOTSUPP;  in gpio_beeper_event()
44 		return -EINVAL;  in gpio_beeper_event()
46 	beep->beeping = value;  in gpio_beeper_event()
47 	/* Schedule work to actually turn the beeper on or off */  in gpio_beeper_event()
48 	schedule_work(&beep->work);  in gpio_beeper_event()
57 	cancel_work_sync(&beep->work);  in gpio_beeper_close()
66 	beep = devm_kzalloc(&pdev->dev, sizeof(*beep), GFP_KERNEL);  in gpio_beeper_probe()
68 		return -ENOMEM;  in gpio_beeper_probe()
70 	beep->desc = devm_gpiod_get(&pdev->dev, NULL, GPIOD_OUT_LOW);  in gpio_beeper_probe()
71 	if (IS_ERR(beep->desc))  in gpio_beeper_probe()
72 		return PTR_ERR(beep->desc);  in gpio_beeper_probe()
74 	input = devm_input_allocate_device(&pdev->dev);  in gpio_beeper_probe()
76 		return -ENOMEM;  in gpio_beeper_probe()
78 	INIT_WORK(&beep->work, gpio_beeper_work);  in gpio_beeper_probe()
80 	input->name		= pdev->name;  in gpio_beeper_probe()
81 	input->id.bustype	= BUS_HOST;  in gpio_beeper_probe()
82 	input->id.vendor	= 0x0001;  in gpio_beeper_probe()
83 	input->id.product	= 0x0001;  in gpio_beeper_probe()
84 	input->id.version	= 0x0100;  in gpio_beeper_probe()
85 	input->close		= gpio_beeper_close;  in gpio_beeper_probe()
86 	input->event		= gpio_beeper_event;  in gpio_beeper_probe()
114 MODULE_DESCRIPTION("Generic GPIO beeper driver");