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V4L/DVB (11911): cx231xx: Use v4l bounding/alignment function

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The v4l function has a better algorithm for aligning image size.

Cc: Srinivasa Deevi <srinivasa.deevi@conexant.com>
Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Trent Piepho 2009-05-30 21:45:46 -03:00 committed by Mauro Carvalho Chehab
parent 653dc59b64
commit 9bd0e8d7d1
1 changed files with 3 additions and 13 deletions
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16
drivers/media/video/cx231xx/cx231xx-video.c
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@ -955,8 +955,8 @@ 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 +971,7 @@ 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);