V4L/DVB (11906): saa7134: Use v4l bounding/alignment function

The v4l function has a better algorithm for aligning image size.
Signed-off-by: NTrent Piepho <xyzzy@speakeasy.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/saa7134/saa7134-video.c

@@ -1640,15 +1640,8 @@ static int saa7134_try_fmt_vid_cap(struct file *file, void *priv,
 	}
 
 	f->fmt.pix.field = field;
-	if (f->fmt.pix.width  < 48)
-		f->fmt.pix.width  = 48;
-	if (f->fmt.pix.height < 32)
-		f->fmt.pix.height = 32;
-	if (f->fmt.pix.width > maxw)
-		f->fmt.pix.width = maxw;
-	if (f->fmt.pix.height > maxh)
-		f->fmt.pix.height = maxh;
-	f->fmt.pix.width &= ~0x03;
+	v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
+			      &f->fmt.pix.height, 32, maxh, 0, 0);
 	f->fmt.pix.bytesperline =
 		(f->fmt.pix.width * fmt->depth) >> 3;
 	f->fmt.pix.sizeimage =