1 files changed, 10 insertions, 16 deletions

diff --git a/drivers/media/video/uvc/uvc_status.c b/drivers/media/video/uvc/uvc_status.c
index c1e4ae27c613..21d87124986b 100644
--- a/drivers/media/video/uvc/uvc_status.c
+++ b/drivers/media/video/uvc/uvc_status.c
@@ -24,30 +24,23 @@
 #ifdef CONFIG_USB_VIDEO_CLASS_INPUT_EVDEV
 static int uvc_input_init(struct uvc_device *dev)
 {
-	struct usb_device *udev = dev->udev;
 	struct input_dev *input;
-	char *phys = NULL;
 	int ret;
 
 	input = input_allocate_device();
 	if (input == NULL)
 		return -ENOMEM;
 
-	phys = kmalloc(6 + strlen(udev->bus->bus_name) + strlen(udev->devpath),
-			GFP_KERNEL);
-	if (phys == NULL) {
-		ret = -ENOMEM;
-		goto error;
-	}
-	sprintf(phys, "usb-%s-%s", udev->bus->bus_name, udev->devpath);
+	usb_make_path(dev->udev, dev->input_phys, sizeof(dev->input_phys));
+	strlcat(dev->input_phys, "/button", sizeof(dev->input_phys));
 
 	input->name = dev->name;
-	input->phys = phys;
-	usb_to_input_id(udev, &input->id);
+	input->phys = dev->input_phys;
+	usb_to_input_id(dev->udev, &input->id);
 	input->dev.parent = &dev->intf->dev;
 
-	set_bit(EV_KEY, input->evbit);
-	set_bit(BTN_0, input->keybit);
+	__set_bit(EV_KEY, input->evbit);
+	__set_bit(KEY_CAMERA, input->keybit);
 
 	if ((ret = input_register_device(input)) < 0)
 		goto error;
@@ -57,7 +50,6 @@ static int uvc_input_init(struct uvc_device *dev)
 
 error:
 	input_free_device(input);
-	kfree(phys);
 	return ret;
 }
 
@@ -70,8 +62,10 @@ static void uvc_input_cleanup(struct uvc_device *dev)
 static void uvc_input_report_key(struct uvc_device *dev, unsigned int code,
 	int value)
 {
-	if (dev->input)
+	if (dev->input) {
 		input_report_key(dev->input, code, value);
+		input_sync(dev->input);
+	}
 }
 
 #else
@@ -96,7 +90,7 @@ static void uvc_event_streaming(struct uvc_device *dev, __u8 *data, int len)
 			return;
 		uvc_trace(UVC_TRACE_STATUS, "Button (intf %u) %s len %d\n",
 			data[1], data[3] ? "pressed" : "released", len);
-		uvc_input_report_key(dev, BTN_0, data[3]);
+		uvc_input_report_key(dev, KEY_CAMERA, data[3]);
 	} else {
 		uvc_trace(UVC_TRACE_STATUS, "Stream %u error event %02x %02x "
 			"len %d.\n", data[1], data[2], data[3], len);