1 // SPDX-License-Identifier: GPL-2.0
3  *  adv_swbutton.c - Software Button Interface Driver.
24 /*-------------------------------------------------------------------------
26  *--------------------------------------------------------------------------
31 	struct adv_swbutton *button = dev_get_drvdata(&device->dev);  in adv_swbutton_notify()  local
35 		input_report_key(button->input, KEY_PROG1, 0);  in adv_swbutton_notify()
36 		input_sync(button->input);  in adv_swbutton_notify()
39 		input_report_key(button->input, KEY_PROG1, 1);  in adv_swbutton_notify()
40 		input_sync(button->input);  in adv_swbutton_notify()
43 		dev_dbg(&device->dev, "Unsupported event [0x%x]\n", event);  in adv_swbutton_notify()
49 	struct adv_swbutton *button;  in adv_swbutton_probe()  local
51 	acpi_handle handle = ACPI_HANDLE(&device->dev);  in adv_swbutton_probe()
55 	button = devm_kzalloc(&device->dev, sizeof(*button), GFP_KERNEL);  in adv_swbutton_probe()
56 	if (!button)  in adv_swbutton_probe()
57 		return -ENOMEM;  in adv_swbutton_probe()
59 	dev_set_drvdata(&device->dev, button);  in adv_swbutton_probe()
61 	input = devm_input_allocate_device(&device->dev);  in adv_swbutton_probe()
63 		return -ENOMEM;  in adv_swbutton_probe()
65 	button->input = input;  in adv_swbutton_probe()
66 	snprintf(button->phys, sizeof(button->phys), "%s/button/input0", ACPI_BUTTON_HID_SWBTN);  in adv_swbutton_probe()
68 	input->name = "Advantech Software Button";  in adv_swbutton_probe()
69 	input->phys = button->phys;  in adv_swbutton_probe()
70 	input->id.bustype = BUS_HOST;  in adv_swbutton_probe()
71 	input->dev.parent = &device->dev;  in adv_swbutton_probe()
72 	set_bit(EV_REP, input->evbit);  in adv_swbutton_probe()
79 	device_init_wakeup(&device->dev, true);  in adv_swbutton_probe()
86 		dev_err(&device->dev, "Error installing notify handler\n");  in adv_swbutton_probe()
87 		return -EIO;  in adv_swbutton_probe()
95 	acpi_handle handle = ACPI_HANDLE(&device->dev);  in adv_swbutton_remove()
118 MODULE_DESCRIPTION("Advantech ACPI SW Button Driver");