input: passthrough virtio-input device

The virtio-input device event should be passthrough
and send to uplayer directly, since the events get
from host, and already handled in host input driver.

Tracked-On: OAM-90659
Signed-off-by: Yang, Dong <dong.yang@intel.com>

Author: dyang23

drivers/input/input.c

@@ -371,6 +371,20 @@ static void input_handle_event(struct input_dev *dev,
 {
 	int disposition = input_get_disposition(dev, type, code, &value);
 
+	if (dev->phys && !strncmp(dev->phys, "virtio", 6)) {
+		struct input_value *v;
+		if (!dev->vals)
+			return;
+
+		v = &dev->vals[dev->num_vals++];
+		v->type = type;
+		v->code = code;
+		v->value = value;
+		input_pass_values(dev, dev->vals, dev->num_vals);
+		dev->num_vals = 0;
+		return;
+	}
+
 	if (disposition != INPUT_IGNORE_EVENT && type != EV_SYN)
 		add_input_randomness(type, code, value);