V4L/DVB (13131): pxa_camera: fix camera pixel format configuration

A missed conversion prevents correct pixel format negotiation with client
drivers.
Reported-by: NAntonio Ospite <ospite@studenti.unina.it>
Signed-off-by: NGuennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/pxa_camera.c

@@ -1432,7 +1432,9 @@ static int pxa_camera_set_fmt(struct soc_camera_device *icd,
 		icd->sense = &sense;
 
 	cam_f.fmt.pix.pixelformat = cam_fmt->fourcc;
-	ret = v4l2_subdev_call(sd, video, s_fmt, f);
+	ret = v4l2_subdev_call(sd, video, s_fmt, &cam_f);
+	cam_f.fmt.pix.pixelformat = pix->pixelformat;
+	*pix = cam_f.fmt.pix;
 
 	icd->sense = NULL;