1 // SPDX-License-Identifier: GPL-2.0-only
111 		dev_warn_once(&device->dev, "Tablet mode is not supported\n");  in surface_button_notify()
114 		dev_info_ratelimited(&device->dev,  in surface_button_notify()
118 	input = button->input;  in surface_button_notify()
122 		pm_wakeup_dev_event(&device->dev, 0, button->suspended);  in surface_button_notify()
123 	if (button->suspended)  in surface_button_notify()
135 	button->suspended = true;  in surface_button_suspend()
144 	button->suspended = false;  in surface_button_resume()
150  * Surface Pro 4 and Surface Book 2 / Surface Pro 2017 use the same device
154  * Returns true if the driver should bind to this device, i.e. the device is
155  * either MSWH0028 (Pro 3) or MSHW0040 on a Pro 4 or Book 1.
159 	acpi_handle handle = dev->handle;  in surface_button_check_MSHW0040()
171 	 * that we have either MSHW0028 or MSHW0040 on Pro 4 or Book 1, so we  in surface_button_check_MSHW0040()
177 		oem_platform_rev = result->integer.value;  in surface_button_check_MSHW0040()
181 	dev_dbg(&dev->dev, "OEM Platform Revision %llu\n", oem_platform_rev);  in surface_button_check_MSHW0040()
197 		return -ENODEV;  in surface_button_add()
200 		return -ENODEV;  in surface_button_add()
204 		return -ENOMEM;  in surface_button_add()
206 	device->driver_data = button;  in surface_button_add()
207 	button->input = input = input_allocate_device();  in surface_button_add()
209 		error = -ENOMEM;  in surface_button_add()
215 	snprintf(button->phys, sizeof(button->phys), "%s/buttons", hid);  in surface_button_add()
217 	input->name = name;  in surface_button_add()
218 	input->phys = button->phys;  in surface_button_add()
219 	input->id.bustype = BUS_HOST;  in surface_button_add()
220 	input->dev.parent = &device->dev;  in surface_button_add()
230 	device_init_wakeup(&device->dev, true);  in surface_button_add()
231 	dev_info(&device->dev,  in surface_button_add()
246 	input_unregister_device(button->input);  in surface_button_remove()