Re: [PATCH, RFC] HP WMI hotkey driver

+       } else
+               printk (KERN_INFO "HP WMI: Unknown response received\n");
+
+       return;

+}
+
+static int __init hp_wmi_init(void)
+{
+       int err;
+       const struct key_entry *key;
+
+       if (!wmi_has_guid(HPWMI_GUID)) {
+               printk ("Unable to locate guid\n");
+               return -ENODEV;
+       }
+
+       err = wmi_install_notify_handler (hp_wmi_notify, NULL);
+       if (err)
+               return err;
+
+       hp_wmi_input_dev = input_allocate_device();
+
+       hp_wmi_input_dev->name = "HP WMI hotkeys";
+       hp_wmi_input_dev->phys = "wmi/input0";
+       hp_wmi_input_dev->id.bustype = BUS_HOST;
+       hp_wmi_input_dev->getkeycode = hp_wmi_getkeycode;
+       hp_wmi_input_dev->setkeycode = hp_wmi_setkeycode;
+

+       for (key = hp_wmi_keymap; key->type != KE_END; key++) {
+               set_bit(EV_KEY, hp_wmi_input_dev->evbit);
+               set_bit(key->keycode, hp_wmi_input_dev->keybit);
+       }
+
+       err = input_register_device (hp_wmi_input_dev);
+
+       if (err) {
+               input_free_device (hp_wmi_input_dev);
+               return err;
+       }
+
+       return 0;
+}
+
+static void __exit hp_wmi_exit(void)
+{
+       wmi_remove_notify_handler();
+       input_unregister_device (hp_wmi_input_dev);
+       input_free_device (hp_wmi_input_dev);