[media] uvcvideo: Move __uvc_ctrl_get() up

This avoids the need for doing a forward declaration of __uvc_ctrl_get
(which is a static function) in later patches in this series.

Note to reviewers this patch does not change a single line of code, it
just moves the function up in uvc_ctrl.c a bit.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/video/uvc/uvc_ctrl.c b/drivers/media/video/uvc/uvc_ctrl.c
index d20d0de..0c27cc1 100644 (file)
--- a/drivers/media/video/uvc/uvc_ctrl.c
+++ b/drivers/media/video/uvc/uvc_ctrl.c
@@ -899,6 +899,44 @@ static int uvc_ctrl_populate_cache(struct uvc_video_chain *chain,
        return 0;
 }
 
+static int __uvc_ctrl_get(struct uvc_video_chain *chain,
+       struct uvc_control *ctrl, struct uvc_control_mapping *mapping,
+       s32 *value)
+{
+       struct uvc_menu_info *menu;
+       unsigned int i;
+       int ret;
+
+       if ((ctrl->info.flags & UVC_CTRL_FLAG_GET_CUR) == 0)
+               return -EINVAL;
+
+       if (!ctrl->loaded) {
+               ret = uvc_query_ctrl(chain->dev, UVC_GET_CUR, ctrl->entity->id,
+                               chain->dev->intfnum, ctrl->info.selector,
+                               uvc_ctrl_data(ctrl, UVC_CTRL_DATA_CURRENT),
+                               ctrl->info.size);
+               if (ret < 0)
+                       return ret;
+
+               ctrl->loaded = 1;
+       }
+
+       *value = mapping->get(mapping, UVC_GET_CUR,
+               uvc_ctrl_data(ctrl, UVC_CTRL_DATA_CURRENT));
+
+       if (mapping->v4l2_type == V4L2_CTRL_TYPE_MENU) {
+               menu = mapping->menu_info;
+               for (i = 0; i < mapping->menu_count; ++i, ++menu) {
+                       if (menu->value == *value) {
+                               *value = i;
+                               break;
+                       }
+               }
+       }
+
+       return 0;
+}
+
 static int __uvc_query_v4l2_ctrl(struct uvc_video_chain *chain,
        struct uvc_control *ctrl,
        struct uvc_control_mapping *mapping,
@@ -1158,44 +1196,6 @@ done:
        return ret;
 }
 
-static int __uvc_ctrl_get(struct uvc_video_chain *chain,
-       struct uvc_control *ctrl, struct uvc_control_mapping *mapping,
-       s32 *value)
-{
-       struct uvc_menu_info *menu;
-       unsigned int i;
-       int ret;
-
-       if ((ctrl->info.flags & UVC_CTRL_FLAG_GET_CUR) == 0)
-               return -EINVAL;
-
-       if (!ctrl->loaded) {
-               ret = uvc_query_ctrl(chain->dev, UVC_GET_CUR, ctrl->entity->id,
-                               chain->dev->intfnum, ctrl->info.selector,
-                               uvc_ctrl_data(ctrl, UVC_CTRL_DATA_CURRENT),
-                               ctrl->info.size);
-               if (ret < 0)
-                       return ret;
-
-               ctrl->loaded = 1;
-       }
-
-       *value = mapping->get(mapping, UVC_GET_CUR,
-               uvc_ctrl_data(ctrl, UVC_CTRL_DATA_CURRENT));
-
-       if (mapping->v4l2_type == V4L2_CTRL_TYPE_MENU) {
-               menu = mapping->menu_info;
-               for (i = 0; i < mapping->menu_count; ++i, ++menu) {
-                       if (menu->value == *value) {
-                               *value = i;
-                               break;
-                       }
-               }
-       }
-
-       return 0;
-}
-
 int uvc_ctrl_get(struct uvc_video_chain *chain,
        struct v4l2_ext_control *xctrl)
 {