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

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/ivtv/ivtv-fb.c b/drivers/media/video/ivtv/ivtv-fb.c
index 55265bd..6f5da57 100644
--- a/drivers/media/video/ivtv/ivtv-fb.c
+++ b/drivers/media/video/ivtv/ivtv-fb.c
@@ -420,7 +420,7 @@
 
 		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;