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path: root/drivers/media/video/cx231xx/cx231xx-video.c
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Diffstat (limited to 'drivers/media/video/cx231xx/cx231xx-video.c')
-rw-r--r--drivers/media/video/cx231xx/cx231xx-video.c26
1 files changed, 6 insertions, 20 deletions
diff --git a/drivers/media/video/cx231xx/cx231xx-video.c b/drivers/media/video/cx231xx/cx231xx-video.c
index a23ae73fe634..609bae6098d3 100644
--- a/drivers/media/video/cx231xx/cx231xx-video.c
+++ b/drivers/media/video/cx231xx/cx231xx-video.c
@@ -893,9 +893,9 @@ static int check_dev(struct cx231xx *dev)
return 0;
}
-void get_scale(struct cx231xx *dev,
- unsigned int width, unsigned int height,
- unsigned int *hscale, unsigned int *vscale)
+static void get_scale(struct cx231xx *dev,
+ unsigned int width, unsigned int height,
+ unsigned int *hscale, unsigned int *vscale)
{
unsigned int maxw = norm_maxw(dev);
unsigned int maxh = norm_maxh(dev);
@@ -907,10 +907,6 @@ void get_scale(struct cx231xx *dev,
*vscale = (((unsigned long)maxh) << 12) / height - 4096L;
if (*vscale >= 0x4000)
*vscale = 0x3fff;
-
- dev->hscale = *hscale;
- dev->vscale = *vscale;
-
}
/* ------------------------------------------------------------------
@@ -955,8 +951,8 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
- int width = f->fmt.pix.width;
- int height = f->fmt.pix.height;
+ unsigned int width = f->fmt.pix.width;
+ unsigned int height = f->fmt.pix.height;
unsigned int maxw = norm_maxw(dev);
unsigned int maxh = norm_maxh(dev);
unsigned int hscale, vscale;
@@ -971,17 +967,7 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
/* width must even because of the YUYV format
height must be even because of interlacing */
- height &= 0xfffe;
- width &= 0xfffe;
-
- if (unlikely(height < 32))
- height = 32;
- if (unlikely(height > maxh))
- height = maxh;
- if (unlikely(width < 48))
- width = 48;
- if (unlikely(width > maxw))
- width = maxw;
+ v4l_bound_align_image(&width, 48, maxw, 1, &height, 32, maxh, 1, 0);
get_scale(dev, width, height, &hscale, &vscale);