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V4L/DVB (12747): em28xx: only advertise VBI capability if supported 

Change the code so we only claim to support VBI if the underlying chipset
actually has the support.

This work was sponsored by EyeMagnet Limited.

Signed-off-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Devin Heitmueller 2009-09-11 00:08:44 -03:00 committed by Mauro Carvalho Chehab
parent 290c0cfac9
commit 0414614aab
1 changed files with 3 additions and 1 deletions
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4
drivers/media/video/em28xx/em28xx-video.c
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@ -1758,11 +1758,13 @@ static int vidioc_querycap(struct file *file, void *priv,
cap->version = EM28XX_VERSION_CODE;
cap->capabilities =
V4L2_CAP_VBI_CAPTURE |
V4L2_CAP_SLICED_VBI_CAPTURE |
V4L2_CAP_VIDEO_CAPTURE |
V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
if (dev->vbi_dev)
cap->capabilities |= V4L2_CAP_VBI_CAPTURE;
if (dev->audio_mode.has_audio)
cap->capabilities |= V4L2_CAP_AUDIO;