Signed-off-by: Frank Schäfer <[email protected]>
---
drivers/media/usb/em28xx/em28xx-video.c | 6 ++++++
1 Datei geändert, 6 Zeilen hinzugefügt(+)
diff --git a/drivers/media/usb/em28xx/em28xx-video.c
b/drivers/media/usb/em28xx/em28xx-video.c
index 4a7f73c..c43e4c5 100644
--- a/drivers/media/usb/em28xx/em28xx-video.c
+++ b/drivers/media/usb/em28xx/em28xx-video.c
@@ -1507,6 +1507,9 @@ static int vidioc_g_fmt_vbi_cap(struct file *file, void
*priv,
struct em28xx_fh *fh = priv;
struct em28xx *dev = fh->dev;
+ if (!em28xx_vbi_supported(dev))
+ return -ENOTTY;
+
format->fmt.vbi.samples_per_line = dev->vbi_width;
format->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
format->fmt.vbi.offset = 0;
@@ -1536,6 +1539,9 @@ static int vidioc_s_fmt_vbi_cap(struct file *file, void
*priv,
struct em28xx_fh *fh = priv;
struct em28xx *dev = fh->dev;
+ if (!em28xx_vbi_supported(dev))
+ return -ENOTTY;
+
format->fmt.vbi.samples_per_line = dev->vbi_width;
format->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
format->fmt.vbi.offset = 0;
--
1.7.10.4
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