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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: David Herrmann <dh.herrmann@googlemail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
David Herrmann 2011-07-05 13:45:15 +02:00 committed by Jiri Kosina
parent 23c063cb02
commit a4d1919762
1 changed files with 18 additions and 0 deletions
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18
drivers/hid/hid-wiimote.c
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@ -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;
}