V4L/DVB (5906): ivtv-fb: replace HZ with msecs_to_jiffies

Signed-off-by: NHans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/video/ivtv/ivtv-fb.c

@@ -420,7 +420,7 @@ static int ivtvfb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long ar
 
 		case FBIO_WAITFORVSYNC:
 			prepare_to_wait(&itv->vsync_waitq, &wait, TASK_INTERRUPTIBLE);
-			if (!schedule_timeout(HZ/20)) rc = -ETIMEDOUT;
+			if (!schedule_timeout(msecs_to_jiffies(50))) rc = -ETIMEDOUT;
 			finish_wait(&itv->vsync_waitq, &wait);
 			return rc;