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[media] v4l2: make vidioc_s_audio const

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Write-only ioctls should have a const argument in the ioctl op.
Do this conversion for vidioc_s_audio.
Adding const for write-only ioctls was decided during the 2012 Media Workshop.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil
2012-09-04 11:59:31 -03:00
committed by Mauro Carvalho Chehab
parent 85f5fe3962
commit 0e8025b9f6
23 changed files with 27 additions and 27 deletions
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2
drivers/media/usb/pvrusb2/pvrusb2-v4l2.c
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@@ -333,7 +333,7 @@ static int pvr2_g_audio(struct file *file, void *priv, struct v4l2_audio *vin)
return 0;
}
static int pvr2_s_audio(struct file *file, void *priv, struct v4l2_audio *vout)
static int pvr2_s_audio(struct file *file, void *priv, const struct v4l2_audio *vout)
{
if (vout->index)
return -EINVAL;