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2024-10-22 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5 
 kernel/drivers/hid/hid-sony.c
....@@ -1,3 +1,4 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
12 /*
23  *  HID driver for Sony / PS2 / PS3 / PS4 BD devices.
34  *
....@@ -13,10 +14,6 @@
1314  */
1415 
1516 /*
16
- * This program is free software; you can redistribute it and/or modify it
17
- * under the terms of the GNU General Public License as published by the Free
18
- * Software Foundation; either version 2 of the License, or (at your option)
19
- * any later version.
2017  */
2118 
2219 /*
....@@ -58,6 +55,7 @@
5855 #define FUTUREMAX_DANCE_MAT       BIT(13)
5956 #define NSG_MR5U_REMOTE_BT        BIT(14)
6057 #define NSG_MR7U_REMOTE_BT        BIT(15)
58
+#define SHANWAN_GAMEPAD           BIT(16)
6159 
6260 #define SIXAXIS_CONTROLLER (SIXAXIS_CONTROLLER_USB | SIXAXIS_CONTROLLER_BT)
6361 #define MOTION_CONTROLLER (MOTION_CONTROLLER_USB | MOTION_CONTROLLER_BT)
....@@ -1511,6 +1509,7 @@
15111509  */
15121510 static int sixaxis_set_operational_usb(struct hid_device *hdev)
15131511 {
1512
+	struct sony_sc *sc = hid_get_drvdata(hdev);
15141513 	const int buf_size =
15151514 		max(SIXAXIS_REPORT_0xF2_SIZE, SIXAXIS_REPORT_0xF5_SIZE);
15161515 	u8 *buf;
....@@ -1540,14 +1539,15 @@
15401539 
15411540 	/*
15421541 	 * But the USB interrupt would cause SHANWAN controllers to
1543
-	 * start rumbling non-stop.
1542
+	 * start rumbling non-stop, so skip step 3 for these controllers.
15441543 	 */
1545
-	if (strcmp(hdev->name, "SHANWAN PS3 GamePad")) {
1546
-		ret = hid_hw_output_report(hdev, buf, 1);
1547
-		if (ret < 0) {
1548
-			hid_info(hdev, "can't set operational mode: step 3, ignoring\n");
1549
-			ret = 0;
1550
-		}
1544
+	if (sc->quirks & SHANWAN_GAMEPAD)
1545
+		goto out;
1546
+
1547
+	ret = hid_hw_output_report(hdev, buf, 1);
1548
+	if (ret < 0) {
1549
+		hid_info(hdev, "can't set operational mode: step 3, ignoring\n");
1550
+		ret = 0;
15511551 	}
15521552 
15531553 out:
....@@ -2118,9 +2118,14 @@
21182118 		}
21192119 	}
21202120 
2121
-	hid_hw_raw_request(sc->hdev, report->report_id, (u8 *)report,
2122
-			sizeof(struct sixaxis_output_report),
2123
-			HID_OUTPUT_REPORT, HID_REQ_SET_REPORT);
2121
+	/* SHANWAN controllers require output reports via intr channel */
2122
+	if (sc->quirks & SHANWAN_GAMEPAD)
2123
+		hid_hw_output_report(sc->hdev, (u8 *)report,
2124
+				sizeof(struct sixaxis_output_report));
2125
+	else
2126
+		hid_hw_raw_request(sc->hdev, report->report_id, (u8 *)report,
2127
+				sizeof(struct sixaxis_output_report),
2128
+				HID_OUTPUT_REPORT, HID_REQ_SET_REPORT);
21242129 }
21252130 
21262131 static void dualshock4_send_output_report(struct sony_sc *sc)
....@@ -2842,6 +2847,9 @@
28422847 	if (!strcmp(hdev->name, "FutureMax Dance Mat"))
28432848 		quirks |= FUTUREMAX_DANCE_MAT;
28442849 
2850
+	if (!strcmp(hdev->name, "SHANWAN PS3 GamePad"))
2851
+		quirks |= SHANWAN_GAMEPAD;
2852
+
28452853 	sc = devm_kzalloc(&hdev->dev, sizeof(*sc), GFP_KERNEL);
28462854 	if (sc == NULL) {
28472855 		hid_err(hdev, "can't alloc sony descriptor\n");