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

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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;