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Commit a4d19197 authored by David Herrmann's avatar David Herrmann Committed by Jiri Kosina
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HID: wiimote: Add wiimote event handler 



Create array of all event handlers and call each handler when we
receive the related event.

Signed-off-by: default avatarDavid Herrmann <dh.herrmann@googlemail.com>
Signed-off-by: default avatarJiri Kosina <jkosina@suse.cz>
parent 23c063cb

drivers/hid/hid-wiimote.c

+18 −0
Original line number Diff line number Diff line
@@ -130,10 +130,22 @@ static int wiimote_input_event(struct input_dev *dev, unsigned int type, 
	return 0;

}



struct wiiproto_handler {

	__u8 id;

	size_t size;

	void (*func)(struct wiimote_data *wdata, const __u8 *payload);

};



static struct wiiproto_handler handlers[] = {

	{ .id = 0 }

};



static int wiimote_hid_event(struct hid_device *hdev, struct hid_report *report,

							u8 *raw_data, int size)

{

	struct wiimote_data *wdata = hid_get_drvdata(hdev);

	struct wiiproto_handler *h;

	int i;



	if (!atomic_read(&wdata->ready))

		return -EBUSY;
@@ -143,6 +155,12 @@ static int wiimote_hid_event(struct hid_device *hdev, struct hid_report *report, 
	if (size < 1)

		return -EINVAL;



	for (i = 0; handlers[i].id; ++i) {

		h = &handlers[i];

		if (h->id == raw_data[0] && h->size < size)

			h->func(wdata, &raw_data[1]);

	}



	return 0;

}