Input: uvc - the button on the camera is KEY_CAMERA

Cameras should generate KEY_CAMERA, not BTN_0. Also call input_sync()
on the device once the button has been pressed.

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

1 files changed, 6 insertions, 4 deletions

diff --git a/drivers/media/video/uvc/uvc_status.c b/drivers/media/video/uvc/uvc_status.c
index 5d60b264d59a..fdf7b4187ee1 100644
--- a/drivers/media/video/uvc/uvc_status.c
+++ b/drivers/media/video/uvc/uvc_status.c
@@ -47,8 +47,8 @@ static int uvc_input_init(struct uvc_device *dev)
         usb_to_input_id(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;
@@ -71,8 +71,10 @@ 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
@@ -97,7 +99,7 @@ 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);