2  * power/home/volume button support for
20 #include <acpi/button.h>
41 ACPI_MODULE_NAME("surface pro 3 button");
44 MODULE_DESCRIPTION("Surface Pro3 Button Driver");
48  * Power button, Home button, Volume buttons support is supposed to
76 	struct surface_button *button = acpi_driver_data(device);  in surface_button_notify()  local
82 	/* Power button press,release handle */  in surface_button_notify()
89 	/* Home button press,release handle */  in surface_button_notify()
96 	/* Volume up button press,release handle */  in surface_button_notify()
103 	/* Volume down button press,release handle */  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()
133 	struct surface_button *button = acpi_driver_data(device);  in surface_button_suspend()  local
135 	button->suspended = true;  in surface_button_suspend()
142 	struct surface_button *button = acpi_driver_data(device);  in surface_button_resume()  local
144 	button->suspended = false;  in surface_button_resume()
151 	struct surface_button *button;  in surface_button_add()  local
161 	button = kzalloc(sizeof(struct surface_button), GFP_KERNEL);  in surface_button_add()
162 	if (!button)  in surface_button_add()
165 	device->driver_data = button;  in surface_button_add()
166 	button->input = input = input_allocate_device();  in surface_button_add()
174 	snprintf(button->phys, sizeof(button->phys), "%s/buttons", hid);  in surface_button_add()
177 	input->phys = button->phys;  in surface_button_add()
197 	kfree(button);  in surface_button_add()
203 	struct surface_button *button = acpi_driver_data(device);  in surface_button_remove()  local
205 	input_unregister_device(button->input);  in surface_button_remove()
206 	kfree(button);  in surface_button_remove()