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hc
2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c 
 kernel/drivers/hid/hid-wiimote-core.c
....@@ -1,13 +1,10 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
12 /*
23  * HID driver for Nintendo Wii / Wii U peripherals
34  * Copyright (c) 2011-2013 David Herrmann <dh.herrmann@gmail.com>
45  */
56 
67 /*
7
- * This program is free software; you can redistribute it and/or modify it
8
- * under the terms of the GNU General Public License as published by the Free
9
- * Software Foundation; either version 2 of the License, or (at your option)
10
- * any later version.
118  */
129 
1310 #include <linux/completion.h>
....@@ -1589,7 +1586,7 @@
15891586 	void (*func)(struct wiimote_data *wdata, const __u8 *payload);
15901587 };
15911588 
1592
-static struct wiiproto_handler handlers[] = {
1589
+static const struct wiiproto_handler handlers[] = {
15931590 	{ .id = WIIPROTO_REQ_STATUS, .size = 6, .func = handler_status },
15941591 	{ .id = WIIPROTO_REQ_STATUS, .size = 2, .func = handler_status_K },
15951592 	{ .id = WIIPROTO_REQ_DATA, .size = 21, .func = handler_data },
....@@ -1621,19 +1618,19 @@
16211618 							u8 *raw_data, int size)
16221619 {
16231620 	struct wiimote_data *wdata = hid_get_drvdata(hdev);
1624
-	struct wiiproto_handler *h;
1621
+	const struct wiiproto_handler *h;
16251622 	int i;
16261623 	unsigned long flags;
16271624 
16281625 	if (size < 1)
16291626 		return -EINVAL;
16301627 
1631
-	spin_lock_irqsave(&wdata->state.lock, flags);
1632
-
16331628 	for (i = 0; handlers[i].id; ++i) {
16341629 		h = &handlers[i];
16351630 		if (h->id == raw_data[0] && h->size < size) {
1631
+			spin_lock_irqsave(&wdata->state.lock, flags);
16361632 			h->func(wdata, &raw_data[1]);
1633
+			spin_unlock_irqrestore(&wdata->state.lock, flags);
16371634 			break;
16381635 		}
16391636 	}
....@@ -1641,8 +1638,6 @@
16411638 	if (!handlers[i].id)
16421639 		hid_warn(hdev, "Unhandled report %hhu size %d\n", raw_data[0],
16431640 									size);
1644
-
1645
-	spin_unlock_irqrestore(&wdata->state.lock, flags);
16461641 
16471642 	return 0;
16481643 }
....@@ -1675,7 +1670,6 @@
16751670 	case WIIMOTE_EXT_GUITAR:
16761671 		return sprintf(buf, "guitar\n");
16771672 	case WIIMOTE_EXT_UNKNOWN:
1678
-		/* fallthrough */
16791673 	default:
16801674 		return sprintf(buf, "unknown\n");
16811675 	}
....@@ -1725,7 +1719,6 @@
17251719 	case WIIMOTE_DEV_PENDING:
17261720 		return sprintf(buf, "pending\n");
17271721 	case WIIMOTE_DEV_UNKNOWN:
1728
-		/* fallthrough */
17291722 	default:
17301723 		return sprintf(buf, "unknown\n");
17311724 	}
....@@ -1873,6 +1866,11 @@
18731866 				USB_DEVICE_ID_NINTENDO_WIIMOTE2) },
18741867 	{ }
18751868 };
1869
+
1870
+bool wiimote_dpad_as_analog = false;
1871
+module_param_named(dpad_as_analog, wiimote_dpad_as_analog, bool, 0644);
1872
+MODULE_PARM_DESC(dpad_as_analog, "Use D-Pad as main analog input");
1873
+
18761874 MODULE_DEVICE_TABLE(hid, wiimote_hid_devices);
18771875 
18781876 static struct hid_driver wiimote_hid_driver = {