omap_vout: fix compiler warning

media-git/drivers/media/platform/omap/omap_vout.c: In function ‘omapvid_init’:
media-git/drivers/media/platform/omap/omap_vout.c:382:17: warning: ‘mode’ may be used uninitialized in this function [-Wmaybe-uninitialized]
  vout->dss_mode = video_mode_to_dss_mode(vout);
                 ^
media-git/drivers/media/platform/omap/omap_vout.c:332:23: note: ‘mode’ was declared here
  enum omap_color_mode mode;
                       ^

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Prabhakar Lad <prabhakar.lad@ti.com>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
[notasas@gmail.com: backport]

diff --git a/drivers/media/video/omap/omap_vout.c b/drivers/media/video/omap/omap_vout.c
index b2b8ec5..36324d8 100644 (file)
--- a/drivers/media/video/omap/omap_vout.c
+++ b/drivers/media/video/omap/omap_vout.c
@@ -336,8 +336,6 @@ static int video_mode_to_dss_mode(struct omap_vout_device *vout)
        ovl = ovid->overlays[0];
 
        switch (pix->pixelformat) {
        ovl = ovid->overlays[0];
 
        switch (pix->pixelformat) {

-       case 0:
-               break;

        case V4L2_PIX_FMT_YUYV:
                mode = OMAP_DSS_COLOR_YUV2;
                break;
        case V4L2_PIX_FMT_YUYV:
                mode = OMAP_DSS_COLOR_YUV2;
                break;


@@ -359,6 +357,7 @@ static int video_mode_to_dss_mode(struct omap_vout_device *vout)
                break;
        default:
                mode = -EINVAL;
                break;
        default:
                mode = -EINVAL;

+               break;

        }
        return mode;
 }
        }
        return mode;
 }