[PATCH 08/12] HID: wiimote: Add wiimote event handler
From: David Herrmann <hidden>
Date: 2011-06-27 14:31:03
Subsystem:
hid core layer, the rest, wiimote hid driver · Maintainers:
Jiri Kosina, Benjamin Tissoires, Linus Torvalds, David Rheinsberg
Create array of all event handlers and call each handler when we receive the related event. Signed-off-by: David Herrmann <redacted> --- drivers/hid/hid-wiimote.c | 18 ++++++++++++++++++ 1 files changed, 18 insertions(+), 0 deletions(-)
diff --git a/drivers/hid/hid-wiimote.c b/drivers/hid/hid-wiimote.c
index c2b91fb..9ae333d 100644
--- a/drivers/hid/hid-wiimote.c
+++ b/drivers/hid/hid-wiimote.c@@ -138,10 +138,22 @@ 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;
@@ -151,6 +163,12 @@ 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; }
--
1.7.5.2