2  *  OLPC XO-1.5 ebook switch driver
3  *  (based on generic ACPI button driver)
23 #define MODULE_NAME "xo15-ebook"
35 MODULE_DESCRIPTION("OLPC XO-1.5 ebook switch driver");
51 	struct ebook_switch *button = acpi_driver_data(device);  in ebook_send_state()  local
55 	status = acpi_evaluate_integer(device->handle, "EBK", NULL, &state);  in ebook_send_state()
57 		return -EIO;  in ebook_send_state()
60 	input_report_switch(button->input, SW_TABLET_MODE, !state);  in ebook_send_state()
61 	input_sync(button->input);  in ebook_send_state()
90 	struct ebook_switch *button;  in ebook_switch_add()  local
96 	button = kzalloc(sizeof(struct ebook_switch), GFP_KERNEL);  in ebook_switch_add()
97 	if (!button)  in ebook_switch_add()
98 		return -ENOMEM;  in ebook_switch_add()
100 	device->driver_data = button;  in ebook_switch_add()
102 	button->input = input = input_allocate_device();  in ebook_switch_add()
104 		error = -ENOMEM;  in ebook_switch_add()
113 		error = -ENODEV;  in ebook_switch_add()
120 	snprintf(button->phys, sizeof(button->phys), "%s/button/input0", hid);  in ebook_switch_add()
122 	input->name = name;  in ebook_switch_add()
123 	input->phys = button->phys;  in ebook_switch_add()
124 	input->id.bustype = BUS_HOST;  in ebook_switch_add()
125 	input->dev.parent = &device->dev;  in ebook_switch_add()
127 	input->evbit[0] = BIT_MASK(EV_SW);  in ebook_switch_add()
128 	set_bit(SW_TABLET_MODE, input->swbit);  in ebook_switch_add()
136 	if (device->wakeup.flags.valid) {  in ebook_switch_add()
137 		/* Button's GPE is run-wake GPE */  in ebook_switch_add()
138 		acpi_enable_gpe(device->wakeup.gpe_device,  in ebook_switch_add()
139 				device->wakeup.gpe_number);  in ebook_switch_add()
140 		device_set_wakeup_enable(&device->dev, true);  in ebook_switch_add()
148 	kfree(button);  in ebook_switch_add()
154 	struct ebook_switch *button = acpi_driver_data(device);  in ebook_switch_remove()  local
156 	input_unregister_device(button->input);  in ebook_switch_remove()
157 	kfree(button);  in ebook_switch_remove()