HID: wiimote: Register wiimote hid driver stub
The wiimote uses a fake HID protocol. Hence, we need to prevent
HIDINPUT and HIDDEV from parsing wiimote data and instead parse
raw hid events.
Add VID/PID to hid-core so the special driver is loaded on new
wiimotes.
Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/hid/hid-wiimote.c b/drivers/hid/hid-wiimote.c
index 8a770e6..ed4fe18 100644
--- a/drivers/hid/hid-wiimote.c
+++ b/drivers/hid/hid-wiimote.c
@@ -10,18 +10,78 @@
* any later version.
*/
+#include <linux/hid.h>
#include <linux/module.h>
+#include "hid-ids.h"
#define WIIMOTE_VERSION "0.1"
#define WIIMOTE_NAME "Nintendo Wii Remote"
+static int wiimote_hid_event(struct hid_device *hdev, struct hid_report *report,
+ u8 *raw_data, int size)
+{
+ if (size < 1)
+ return -EINVAL;
+
+ return 0;
+}
+
+static int wiimote_hid_probe(struct hid_device *hdev,
+ const struct hid_device_id *id)
+{
+ int ret;
+
+ ret = hid_parse(hdev);
+ if (ret) {
+ hid_err(hdev, "HID parse failed\n");
+ return ret;
+ }
+
+ ret = hid_hw_start(hdev, HID_CONNECT_HIDRAW);
+ if (ret) {
+ hid_err(hdev, "HW start failed\n");
+ return ret;
+ }
+
+ hid_info(hdev, "New device registered\n");
+ return 0;
+}
+
+static void wiimote_hid_remove(struct hid_device *hdev)
+{
+ hid_info(hdev, "Device removed\n");
+ hid_hw_stop(hdev);
+}
+
+static const struct hid_device_id wiimote_hid_devices[] = {
+ { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO,
+ USB_DEVICE_ID_NINTENDO_WIIMOTE) },
+ { }
+};
+MODULE_DEVICE_TABLE(hid, wiimote_hid_devices);
+
+static struct hid_driver wiimote_hid_driver = {
+ .name = "wiimote",
+ .id_table = wiimote_hid_devices,
+ .probe = wiimote_hid_probe,
+ .remove = wiimote_hid_remove,
+ .raw_event = wiimote_hid_event,
+};
+
static int __init wiimote_init(void)
{
- return 0;
+ int ret;
+
+ ret = hid_register_driver(&wiimote_hid_driver);
+ if (ret)
+ pr_err("Can't register wiimote hid driver\n");
+
+ return ret;
}
static void __exit wiimote_exit(void)
{
+ hid_unregister_driver(&wiimote_hid_driver);
}
module_init(wiimote_init);