Merge tag 'v5.15.34' into dev-5.15

This is the 5.15.34 stable release

Signed-off-by: Joel Stanley <joel@jms.id.au>

3 files changed, 39 insertions, 21 deletions

diff --git a/drivers/input/input.c b/drivers/input/input.c
index c3139bc2aa0d..ccaeb2426385 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -2285,12 +2285,6 @@ int input_register_device(struct input_dev *dev)
 	/* KEY_RESERVED is not supposed to be transmitted to userspace. */
 	__clear_bit(KEY_RESERVED, dev->keybit);
 
-	/* Buttonpads should not map BTN_RIGHT and/or BTN_MIDDLE. */
-	if (test_bit(INPUT_PROP_BUTTONPAD, dev->propbit)) {
-		__clear_bit(BTN_RIGHT, dev->keybit);
-		__clear_bit(BTN_MIDDLE, dev->keybit);
-	}
-
 	/* Make sure that bitmasks not mentioned in dev->evbit are clean. */
 	input_cleanse_bitmasks(dev);
 
diff --git a/drivers/input/tablet/aiptek.c b/drivers/input/tablet/aiptek.c
index fcb1b646436a..1581f6ef0927 100644
--- a/drivers/input/tablet/aiptek.c
+++ b/drivers/input/tablet/aiptek.c
@@ -1787,15 +1787,13 @@ aiptek_probe(struct usb_interface *intf, const struct usb_device_id *id)
 	input_set_abs_params(inputdev, ABS_TILT_Y, AIPTEK_TILT_MIN, AIPTEK_TILT_MAX, 0, 0);
 	input_set_abs_params(inputdev, ABS_WHEEL, AIPTEK_WHEEL_MIN, AIPTEK_WHEEL_MAX - 1, 0, 0);
 
-	/* Verify that a device really has an endpoint */
-	if (intf->cur_altsetting->desc.bNumEndpoints < 1) {
+	err = usb_find_common_endpoints(intf->cur_altsetting,
+					NULL, NULL, &endpoint, NULL);
+	if (err) {
 		dev_err(&intf->dev,
-			"interface has %d endpoints, but must have minimum 1\n",
-			intf->cur_altsetting->desc.bNumEndpoints);
-		err = -EINVAL;
+			"interface has no int in endpoints, but must have minimum 1\n");
 		goto fail3;
 	}
-	endpoint = &intf->cur_altsetting->endpoint[0].desc;
 
 	/* Go set up our URB, which is called when the tablet receives
 	 * input.
diff --git a/drivers/input/touchscreen/zinitix.c b/drivers/input/touchscreen/zinitix.c
index 1e70b8d2a8d7..400957f4c8c9 100644
--- a/drivers/input/touchscreen/zinitix.c
+++ b/drivers/input/touchscreen/zinitix.c
@@ -135,7 +135,7 @@ struct point_coord {
 
 struct touch_event {
 	__le16	status;
-	u8	finger_cnt;
+	u8	finger_mask;
 	u8	time_stamp;
 	struct point_coord point_coord[MAX_SUPPORTED_FINGER_NUM];
 };
@@ -311,11 +311,32 @@ static int zinitix_send_power_on_sequence(struct bt541_ts_data *bt541)
 static void zinitix_report_finger(struct bt541_ts_data *bt541, int slot,
 				  const struct point_coord *p)
 {
+	u16 x, y;
+
+	if (unlikely(!(p->sub_status &
+		       (SUB_BIT_UP | SUB_BIT_DOWN | SUB_BIT_MOVE)))) {
+		dev_dbg(&bt541->client->dev, "unknown finger event %#02x\n",
+			p->sub_status);
+		return;
+	}
+
+	x = le16_to_cpu(p->x);
+	y = le16_to_cpu(p->y);
+
 	input_mt_slot(bt541->input_dev, slot);
-	input_mt_report_slot_state(bt541->input_dev, MT_TOOL_FINGER, true);
-	touchscreen_report_pos(bt541->input_dev, &bt541->prop,
-			       le16_to_cpu(p->x), le16_to_cpu(p->y), true);
-	input_report_abs(bt541->input_dev, ABS_MT_TOUCH_MAJOR, p->width);
+	if (input_mt_report_slot_state(bt541->input_dev, MT_TOOL_FINGER,
+				       !(p->sub_status & SUB_BIT_UP))) {
+		touchscreen_report_pos(bt541->input_dev,
+				       &bt541->prop, x, y, true);
+		input_report_abs(bt541->input_dev,
+				 ABS_MT_TOUCH_MAJOR, p->width);
+		dev_dbg(&bt541->client->dev, "finger %d %s (%u, %u)\n",
+			slot, p->sub_status & SUB_BIT_DOWN ? "down" : "move",
+			x, y);
+	} else {
+		dev_dbg(&bt541->client->dev, "finger %d up (%u, %u)\n",
+			slot, x, y);
+	}
 }
 
 static irqreturn_t zinitix_ts_irq_handler(int irq, void *bt541_handler)
@@ -323,6 +344,7 @@ static irqreturn_t zinitix_ts_irq_handler(int irq, void *bt541_handler)
 	struct bt541_ts_data *bt541 = bt541_handler;
 	struct i2c_client *client = bt541->client;
 	struct touch_event touch_event;
+	unsigned long finger_mask;
 	int error;
 	int i;
 
@@ -335,10 +357,14 @@ static irqreturn_t zinitix_ts_irq_handler(int irq, void *bt541_handler)
 		goto out;
 	}
 
-	for (i = 0; i < MAX_SUPPORTED_FINGER_NUM; i++)
-		if (touch_event.point_coord[i].sub_status & SUB_BIT_EXIST)
-			zinitix_report_finger(bt541, i,
-					      &touch_event.point_coord[i]);
+	finger_mask = touch_event.finger_mask;
+	for_each_set_bit(i, &finger_mask, MAX_SUPPORTED_FINGER_NUM) {
+		const struct point_coord *p = &touch_event.point_coord[i];
+
+		/* Only process contacts that are actually reported */
+		if (p->sub_status & SUB_BIT_EXIST)
+			zinitix_report_finger(bt541, i, p);
+	}
 
 	input_mt_sync_frame(bt541->input_dev);
 	input_sync(bt541->input_dev);