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fthd/v4l2: Don't allow changing format if buffers are in use

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Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
This commit is contained in:
Patrik Jakobsson
2016-05-01 13:43:15 +02:00
parent 7d5e66fef7
commit 132a9c622f
1 changed files with 3 additions and 1 deletions
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4
fthd_v4l2.c
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@@ -444,7 +444,9 @@ static int fthd_v4l2_ioctl_s_fmt_vid_cap(struct file *filp, void *priv,
if (fmt->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
/* FIXME: Check if hardware is busy */
/* It's not allowed to change format if buffers are in use */
if (vb2_is_busy(&dev_priv->vb2_queue))
return -EBUSY;
ret = fthd_v4l2_adjust_format(dev_priv, &fmt->fmt.pix);
if (ret)